USRE32245E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-component solventless silicone release coating system
Assignee: General Electric Co
•
Filing: 1985-02-25
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Granted: 1986-09-09
•
Expires: 2005-02-25
Abstract
Abstract The present invention provides a method for preparing a precious metal catalyzed, heat curable silicon release coating composition. Also, there is provided an article of manufacture for packaging the ingredients necessary to practice the method of the invention.
Inventors
- 👤 Maurice E. Grenoble
- 👤 Richard P. Eckberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:24
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/20
Claims Analysis
Total Claims: 64
Claim 1
Independent Claim
158 words
A process for providing a substrate having a silicone release coating composition cured thereon comprising the steps of: (a) mixing 100 parts by weight or Component A with 5 to 100 parts of Component B and 3 to 10 parts of Component C, wherein Component A is an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, Component B is a precious metal or precious metal complex catalyst dispersed in a vinyl silicone fluid; and Component C is an organohydrogenpolysiloxane cross-linking agent, wherein Component A and/or Component C further includes an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures and wherein prior to use Component A, Component B and Component C are stored in separate containers; (b) applying a coating of the mixture comprising Component A, Component B and Component C to a suitable substrate; and (c) curing said coating to said substrate.
Claim 2
Dependent Claim
158 words
A process for providing a substrate having a silicone release coating composition cured thereon comprising the steps of: (a) mixing 100 parts by weight or Component A with 5 to 100 parts of Component B and 3 to 10 parts of Component C, wherein Component A is an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, Component B is a precious metal or precious metal complex catalyst dispersed in a vinyl silicone fluid; and Component C is an organohydrogenpolysiloxane cross-linking agent, wherein Component A and/or Component C further includes an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures and wherein prior to use Component A, Component B and Component C are stored in separate containers; (b) applying a coating of the mixture comprising Component A, Component B and Component C to a suitable substrate; and (c) curing said coating to said substrate.
Claim 3
Dependent Claim
164 words
The process of claim 1 wherein the base polymer is an olefinorganopolysiloxane having structural units of the formula: ##STR12## or a silanol end-stopped organosiloxane having the general formula: ##STR13## wherein R is an organic radical attached to silicon by a C-Si linkage and is selected from the group consisting of monovalent hydrocarbon radicals, halogenated monovalent hydrocarbon radicals, and cyanoalkyl radicals and mixtures thereof, and which has from 1 to 30 carbon atoms; R 1 is an olefinic hydrocarbon radical having from 1 to 20 carbon atoms, a has a value ranging from 0 to 3 inclusive, b has a value ranging from about 0.005 to about 2.0 inclusive, and the sum of a and b equals 0.8 to 3 inclusive, and the olefinorganosiloxane has a viscosity ranging from approximately 10 centipoise to approximately 5000 centipoise at 25° C., and x is such that the viscosity of the silanol end-stopped polysiloxane has a viscosity between approximately 10 centipoise and approximately 5000 centipoise at 25° C.
Claim 4
Dependent Claim
99 words
The process of claim 1 wherein the organohydrogenpolysiloxane cross-linking agent has structural units of the formula: ##STR14## wherein R is an organic radical selected from the group consisting of monovalent hydrocarbon radicals, halogeneated monovalent hydrocarbon radicals and cyanoalkyl radicals and mixtures thereof and which has from 1 to 30 carbon atoms, a has a value ranging from 0 to 3 inclusive, b has a value ranging from about 0.005 to about 2.0 inclusive, and the sum of a and b equals 0.8 to 3 inclusive, and wherein the viscosity ranges from approximately 10 to 500 centipoise at 25° C.
Claim 5
Dependent Claim
9 words
The process of claim 2 wherein R is methyl.
Claim 6
Dependent Claim
9 words
The process of claim 3 wherein R is methyl.
Claim 7
Dependent Claim
12 words
The process of claim 2 wherein R 1 is vinyl or allyl.
Claim 8
Dependent Claim
37 words
The process of claim 1 wherein the olefinorganopolysiloxane is a dimethylvinyl chain-stopped dimethylmethylvinylpolysiloxane copolymer fluid having a viscosity of approximately 100 to 1000 centipoise at 25° C. and a vinyl content of up to 2.5 weight percent.
Claim 9
Dependent Claim
38 words
The process of claim 1 wherein the organohydrogenpolysiloxane is a trimethyl chain-stopped methylhydrogenpolysiloxane fluid having a viscosity of approximately 10 to 500 centipoise at 25° C. and a hydrogen content of approximately 0.1 to 1.67 percent by weight.
Claim 10
Dependent Claim
30 words
The process of claim 1 wherein the precious metal catalyst is selected from the group consisting of platinum metal, rhodium metal, complexes of platinum metal and complexes of rhodium metal.
Claim 11
Dependent Claim
34 words
The process of claim 9 wherein the precious metal catalyst is present in an amount sufficient to provide approximately 5 to 500 parts of platinum or rhodium metal per million parts of base polymer.
Claim 12
Dependent Claim
37 words
The process of claim 1 wherein the inhibitor is provided as Component D, further comprising mixing 0.1 to 5 parts of Component D with 100 parts of a mixture of Component A, Component B and Component C.
Claim 13
Dependent Claim
117 words
The process of claim 11 wherein the inhibitor is selected from the class consisting of dialkyl carboxylic esters containing carbon to carbon unsaturation, compounds containing an acetylenic group, olefinic carboxylic acid esters of aliphatic alcohols where the aliphatic alcohol contains from 1 to 4 carbon atoms and the olefinic carboxylic acid contains from 2 to 10 carbon atoms, alkenyl isocyanurates wherein the alkenyl group contains from 3 to 8 carbon atoms, dialkylacetylenedicarboxylates, and a blend of a dialkylcarboxylic ester having carbon to carbon unsaturation with an olefinic carboxylic acid ester of an aliphatic alcohol where the aliphatic alcohol contains from 1 to 4 carbon atoms and the olefinic carboxylic acid contains from 2 to 10 carbon atoms.
Claim 14
Dependent Claim
53 words
The process of claim 11 wherein the inhibitor is a blend of a dialkylcarboxylic ester having carbon to carbon unsaturation and an olefinic carboxylic acid ester of an aliphatic alcohol, where the aliphatic alcohol contains from 1 to 4 carbon atoms and the olefinic carboxylic acid contains from 2 to 10 carbon atoms.
Claim 15
Dependent Claim
35 words
The process of claim 13 wherein the dialkylcarboxylic ester is selected from the group consisting of diallylmaleate, butylallylmaleate, diallylsuccinate and dialkyl esters of maleic acid selected from the group consisting of dimethylmaleate, diethylmaleate and silylmaleate.
Claim 16
Dependent Claim
18 words
The process of claim 13 wherein the olefinic carboxylic acid ester of an aliphatic alcohol is vinyl acetate.
Claim 17
Dependent Claim
32 words
The process of claim 13 wherein the dialkyl carboxylic ester is blended with the olefinic carboxylic acid ester of an aliphatic alcohol in a ratio of from approximately 1:24 to approximately 1:1.
Claim 18
Dependent Claim
30 words
The process of claim 13 wherein the dialkyl carboxylic ester is blended with the olefinic carboxylic acid ester of an aliphatic alcohol in a ratio of approximately 1 to 3.
Claim 19
Dependent Claim
20 words
The process of claim 13 wherein diallylmaleate is blended with vinyl acetate in a ratio of approximately 1 to 3.
Claim 20
Dependent Claim
34 words
The process of claim 11 wherein there is sufficient inhibitor present in Component D so as to be present in the mixture in an amount ranging from approximately 0.05 to 2 percent by weight.
Claim 21
Dependent Claim
64 words
The process of claim 1 further comprising mixing 0.1 to 10 parts of Component E with 100 parts of a mixture of Component A, Component B and Component C, wherein Component E is a vinyl gum cure accelerator effective for accelerating the cure of said addition curable release coating composition and wherein said gum has an average molecular weight of approximately 200,000 to 400,000.
Claim 22
Dependent Claim
29 words
The process of claim 20 wherein said gum is present in the mixture in the amount of at least 0.5 weight percent of said addition curable release coating compositions.
Claim 23
Dependent Claim
119 words
An article of manufacture comprising: (a) 100 parts by weight of Component A, (b) 5 to 100 parts by weight of Component B, and (c) 3 to 10 parts by weight of Component C, wherein Component A is an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, Component B is a precious metal or precious metal complex catalyst dispersed in a vinyl silicone fluid, and Component C is an organohydrogenpolysiloxane cross-linking agent; wherein Component A and/or Component C further includes an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but does not interfere with such reaction at elevated temperatures and wherein Component A, Component B and Component C are contained separate from one another.
Claim 24
Dependent Claim
119 words
An article of manufacture comprising: (a) 100 parts by weight of Component A, (b) 5 to 100 parts by weight of Component B, and (c) 3 to 10 parts by weight of Component C, wherein Component A is an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, Component B is a precious metal or precious metal complex catalyst dispersed in a vinyl silicone fluid, and Component C is an organohydrogenpolysiloxane cross-linking agent; wherein Component A and/or Component C further includes an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but does not interfere with such reaction at elevated temperatures and wherein Component A, Component B and Component C are contained separate from one another.
Claim 25
Dependent Claim
166 words
The article of manufacture of claim 22 wherein the base polymer is an olefinorganopolysiloxane having structural units of formula: ##STR15## or is a silanol end-stopped organosiloxane having the general formula: ##STR16## wherein R is or organic radical attached to silicon by a C-Si linkage and is selected from the group consisting of monovalent hydrocarbon radicals, halogenated monovalent hydrocarbon radicals, and cyanoalkyl radicals and mixtures thereof, and which has from 1 to 30 carbon atoms; R 1 is an olefinic hydrocarbon radical having from 1 to 20 carbon atoms, a has a value ranging from 0 to 3 inclusive, b has a value ranging from about 0.005 to about 2.0 inclusive, and the sum of a and b equals 0.8 to 3 inclusive, and the olefinorganopolysiloane has a viscosity ranging from approximately 10 centipoise to approximately 5000 centipoise at 25° C., and x is such that the viscosity of the silanol end-stopped polysiloxane has a viscosity between approximately 10 centipoise and approximately 5000 centipoise at 25° C.
Claim 26
Dependent Claim
101 words
The article of manufacture of claim 22 wherein the organohydrogenpolysiloxane cross-linking agent has structural units of the formula: ##STR17## wherein R is an organic radical selected from the group consisting of monovalent hydrocarbon radicals, halogenated monovalent hydrocarbon radicals and cyanoalkyl radicals and mixtures thereof and which has from 1 to 30 carbon atoms, a has a value ranging from 0 to 3 inclusive, b has a value ranging from about 0.005 to about 2.0 inclusive and the sum of a and b equals 0.8 to 3 inclusive and wherein the viscosity ranges from approximately 10 to 5000 centipoise at 25° C.
Claim 27
Dependent Claim
11 words
The article of manufacture of claim 23 wherein R is methyl.
Claim 28
Dependent Claim
11 words
The article of manufacture of claim 24 wherein R is methyl.
Claim 29
Dependent Claim
12 words
The article of claim 23 wherein R 1 is vinyl or allyl.
Claim 30
Dependent Claim
39 words
The article of manufacture of claim 22 wherein the olefinorganopolysiloxane is a dimethylvinyl chain-stopped dimethylmethylvinylpolysiloxane copolymer fluid having a viscosity of approximately 100 to 1000 centipoise at 25° C. and a vinyl content of up to 2.5 weight percent.
Claim 31
Dependent Claim
40 words
The article of manufacture of claim 22 wherein the organohydrogenpolysiloxane is a trimethyl chain-stopped methylhydrogenpolysiloxane fluid having a viscosity of approximately 10 to 500 centipoise at 25° C. and a hydrogen content of approximately 0.1 to 1.67 percent by weight.
Claim 32
Dependent Claim
32 words
The article of manufacture of claim 22 wherein the precious metal catalyst is selected from the group consisting of platinum metal, rhodium metal, complexes of platinum metal and complexes of rhodium metal.
Claim 33
Dependent Claim
36 words
The article of manufacture of claim 30 wherein the precious metal catalyst is present in an amount sufficient to provide approximately 5 to 500 parts of platinum or rhodium metal per million parts of base polymer.
Claim 34
Dependent Claim
21 words
The article of manufacture of claim 22 wherein the inhibitor is provided as 0.1 to 5 parts by weight Component D.
Claim 35
Dependent Claim
119 words
The article of manufacture of claim 32 wherein the inhibitor is selected from the class consisting of dialkyl carboxylic esters containing carbon to carbon unsaturation, compounds containing an acetylenic group, olefinic carboxylic acid esters of aliphatic alcohols where the aliphatic alcohol contains from 1 to 4 carbon atoms and the olefinic carboxylic acid contains from 2 to 10 carbon atoms, alkenyl isocyanurates wherein the alkenyl group contains from 3 to 8 carbon atoms, dialkylacetylenedicarboxylates, and a blend of a dialkylcarboxylic ester having carbon to carbon unsaturation with an olefinic carboxylic acid ester of an aliphatic alcohol where the aliphatic alcohol contains from 1 to 4 carbon atoms and the olefinic carboxylic acid contains from 2 to 10 carbon atoms.
Claim 36
Dependent Claim
55 words
The article of manufacture of claim 32 wherein the inhibitor is a blend of a dialkylcarboxylic ester having carbon to carbon unsaturation and an olefinic carboxylic acid ester of an aliphatic alcohol, where the aliphatic alcohol contains from 1 to 4 carbon atoms and the olefinic carboxylic acid contains from 2 to 10 carbon atoms.
Claim 37
Dependent Claim
37 words
The article of manufacture of claim 34 wherein the dialkylcarboxylic ester is selected from the group consisting of diallylmaleate, butylallylmaleate, diallylsuccinate and dialkyl esters of maleic acid selected from the group consisting of dimethylmaleate, diethylmaleate and silylmaleate.
Claim 38
Dependent Claim
20 words
The article of manufacture of claim 34 wherein the olefinic carboxylic acid ester of an aliphatic alcohol is vinyl acetate.
Claim 39
Dependent Claim
34 words
The article of manufacture of claim 34 wherein the dialkyl carboxylic ester is blended with the olefinic carboxylic acid ester of an aliphatic alcohol in a ratio of from approximately 1:24 to approximately 1:1.
Claim 40
Dependent Claim
32 words
The article of manufacture of claim 34 wherein the dialkyl carboxylic ester is blended with the olefinic carboxylic acid ester of an aliphatic alcohol in a ratio of approximately 1 to 3.
Claim 41
Dependent Claim
22 words
The article of manufacture of claim 34 wherein diallylmaleate is blended with vinyl acetate in a ratio of approximately 1 to 3.
Claim 42
Dependent Claim
39 words
The article of manufacture of claim 32 wherein there is sufficient inhibitor present in Component D so as to be present in a mixture of the components in an amount ranging from approximately 0.005 to 2 percent by weight.
Claim 43
Dependent Claim
51 words
The article of manufacture of claim 22 further comprising 0.1 to 10 parts of Component E, wherein Component E is a vinyl gum cure accelerator effective for accelerating the cure of said addition curable release coating composition and wherein said gum has an average molecular weight of approximately 200,000 to 400,000.
Claim 44
Dependent Claim
34 words
The article of manufacture of claim 41 wherein said gum is present in Component E in an amount sufficient to provide at least 0.5 weight percent gum in a mixture of the components. .Iadd.
Claim 45
Dependent Claim
343 words
An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, with the proviso that if said first component contains a catalyst, said second component contains an inhibitor, and if said first component contains an inhibitor, said second component contains a catalyst, and wherein said first and second components are contained separate from one another. .Iaddend. .Iadd.44. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first and second components are contained separate from one another. .Iaddend. .Iadd.45. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second and third components are contained separate from
Claim 46
Dependent Claim
343 words
An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, with the proviso that if said first component contains a catalyst, said second component contains an inhibitor, and if said first component contains an inhibitor, said second component contains a catalyst, and wherein said first and second components are contained separate from one another. .Iaddend. .Iadd.44. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first and second components are contained separate from one another. .Iaddend. .Iadd.45. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second and third components are contained separate from
Claim 47
Dependent Claim
191 words
one another. .Iaddend. .Iadd.46. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second and third components are contained separate from one another. .Iaddend. .Iadd.47. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein said first, second and third components are contained separate from
Claim 48
Dependent Claim
191 words
one another. .Iaddend. .Iadd.46. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second and third components are contained separate from one another. .Iaddend. .Iadd.47. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein said first, second and third components are contained separate from
Claim 49
Dependent Claim
188 words
one another. .Iaddend. .Iadd.48. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein said first, second, and third components are contained separate from one another. .Iaddend. .Iadd.49. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (d) a fourth component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second, third and fourth components are contained
Claim 50
Dependent Claim
188 words
one another. .Iaddend. .Iadd.48. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein said first, second, and third components are contained separate from one another. .Iaddend. .Iadd.49. An article of manufacture, comprising: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (d) a fourth component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second, third and fourth components are contained
Claim 51
Dependent Claim
401 words
separate from one another. .Iaddend. .Iadd.50. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, with the proviso that if said first component contains a catalyst, said second component contains an inhibitor, and if said first component contains an inhibitor, said second component contains a catalyst, and wherein prior to use said first and second components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and (III) curing said coating to said substrate. .Iaddend. .Iadd.51. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent an an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, with the proviso that if said first component contains a catalyst, said second component contains an inhibitor, and if said first component contains an inhibitor, said second component contains a catalyst, and wherein prior to use said first and second components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 52
Dependent Claim
401 words
separate from one another. .Iaddend. .Iadd.50. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, with the proviso that if said first component contains a catalyst, said second component contains an inhibitor, and if said first component contains an inhibitor, said second component contains a catalyst, and wherein prior to use said first and second components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and (III) curing said coating to said substrate. .Iaddend. .Iadd.51. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent an an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction or an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, with the proviso that if said first component contains a catalyst, said second component contains an inhibitor, and if said first component contains an inhibitor, said second component contains a catalyst, and wherein prior to use said first and second components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 53
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.52. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 54
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.52. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 55
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.53. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 56
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.53. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent and an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (c) a third component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 57
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.54. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 58
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.54. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 59
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.55. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 60
Dependent Claim
130 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.55. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, and an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, and (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, wherein prior to use said first, second and third components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 61
Dependent Claim
131 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.56. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (d) a fourth component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second, third and fourth components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 62
Dependent Claim
131 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.56. A process for providing a substrate having a silicone release coating composition cured thereon, comprising: (I) mixing: (a) a first component which comprises an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) a second component which comprises an organohydrogenpolysiloxane cross-linking agent, (c) a third component which comprises a precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (d) a fourth component which comprises an inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures, wherein said first, second, third and fourth components are contained separate from one another, (II) applying a coating of the mixture obtained from (I) to a suitable substrate, and
Claim 63
Dependent Claim
109 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.57. In an article of manufacture, comprising: (a) an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) an organohydrogenpolysiloxane cross-linking agent, (c) an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (d) an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures; the improvement comprising packaging said article of manufacture in two or more packages wherein said precious metal or precious metal complex catalyst (c) and said inhibitor (d ) are contained in separate packages. .Iaddend.
Claim 64
Dependent Claim
109 words
(III) curing said coating to said substrate. .Iaddend. .Iadd.57. In an article of manufacture, comprising: (a) an olefinorganopolysiloxane or a silanol end-stopped organopolysiloxane base polymer, (b) an organohydrogenpolysiloxane cross-linking agent, (c) an amount of precious metal or precious metal complex catalyst effective for promoting a hydrosilation cure reaction, and (d) an amount of inhibitor effective for retarding a hydrosilation cure reaction at ambient temperature but which does not interfere with such reaction at elevated temperatures; the improvement comprising packaging said article of manufacture in two or more packages wherein said precious metal or precious metal complex catalyst (c) and said inhibitor (d ) are contained in separate packages. .Iaddend.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-09-08 | 1990-03-10 | 1990-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-08 | 1994-03-10 | 1994-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-08 | 1998-03-10 | 1998-09-09 | $7700.00 | Window Closed / Lapsed |