US4358575A
Expired / Lapsed
US
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Self-bonding one-component RTV silicone rubber compositions
Assignee: General Electric Co
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Filing: 1981-12-16
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Granted: 1982-11-09
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Expires: 2001-12-16
Abstract
Abstract A self-bonding additive for a dimedone functional one-component RTV in which the self-bonding agent is a dialkoxydisilylether functional silane.
Inventors
- 👤 Warren R. Lampe
- 👤 Tyrone D. Mitchell
- 👤 James A. Cella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:44
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08K; C08K5/00; C08K5/54; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/14; C08G77/16; C08G77/18; C08G77/20; C08G77/22; C08G77/24; C08G77/26; C08G77/28; C08G77/70; Y; Y10; Y10S; Y10S528/00; Y10S528/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663; Y10T428/31667
Claims Analysis
Total Claims: 74
Claim 1
Independent Claim
174 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR21## and having terminal alkoxysiloxy units of the formula, ##STR22## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR23## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; (B) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR24## where X, Y, Z, R 1 , b and c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 2
Dependent Claim
174 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR21## and having terminal alkoxysiloxy units of the formula, ##STR22## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR23## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; (B) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR24## where X, Y, Z, R 1 , b and c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 3
Dependent Claim
35 words
The composition of claim 1 wherein there is further present from 0.01 to 10 parts by weight of a curing promoter which is metal salt of a carboxylic acid and R 4 is tertiary butyl.
Claim 4
Dependent Claim
13 words
The composition of claim 2 wherein the curing promoter is a tin salt.
Claim 5
Dependent Claim
13 words
The composition of claim 3 wherein the tin salt is dimethyl tin bis-neodecanoate.
Claim 6
Dependent Claim
20 words
The composition of claim 4 wherein there is present from 0.1 to 5 parts by weight of shelf life stabilizer.
Claim 7
Dependent Claim
13 words
The composition of claim 5 wherein the shelf life stabilizer is zirconium octoate.
Claim 8
Dependent Claim
19 words
The composition of claim 6 wherein there is present from 10 to 200 parts by weight of a filler.
Claim 9
Dependent Claim
14 words
The composition of claim 7 wherein the filler is fumed silica treated with cyclopolysiloxanes.
Claim 10
Dependent Claim
48 words
The composition of claim 8 wherein there is further present from 1 to 50 parts by weight of a plasticizer which is a linear diorganopolysiloxane polymer of a viscosity varying from 10 to 2,000 centipoise at 25° C. and the organo group is a C.sub.(1-8) monovalent hydrocarbon radical.
Claim 11
Dependent Claim
63 words
The composition of claim 9 wherein there is further present from 0.2 to 10 parts by weight of a plasticizer and adhesion promoter which is silanol containing diorganopolysiloxane with a viscosity in the range of 10 to 1000 centipoise at 25° C. where the organo group is a C.sub.(1-8) monovalent hydrocarbon radical and the silanol content varies from 3 to 10% by weight.
Claim 12
Dependent Claim
203 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR25## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether cross-linking agent of the formula, ##STR26## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen, and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR27## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR28## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 13
Dependent Claim
203 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR25## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether cross-linking agent of the formula, ##STR26## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen, and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR27## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR28## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 14
Dependent Claim
36 words
The composition of claim 11 where there is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 is tertiary butyl.
Claim 15
Dependent Claim
13 words
The composition of claim 12 wherein the curing promoter is a tin salt.
Claim 16
Dependent Claim
14 words
The composition of claim 13 wherein the tin salt is a dimethyl tin bis-neodecanoate.
Claim 17
Dependent Claim
21 words
The composition of claim 14 where there is present from 0.1 to 5 parts by weight of a shelf life stabilizer.
Claim 18
Dependent Claim
13 words
The composition of claim 15 wherein the shelf life stabilizer is zirconium octoate.
Claim 19
Dependent Claim
14 words
The composition of claim 15 wherein the filler is fumed silica treated with cyclopolysiloxanes.
Claim 20
Dependent Claim
14 words
The composition of claim 17 wherein the filler is fumed silica treated with cyclopolysiloxanes.
Claim 21
Dependent Claim
48 words
The composition of claim 18 where there is further present from 1 to 50 parts by weight of a plasticizer which is a linear diorganopolysiloxane polymer of a viscosity varying from 10 to 1,000 centipoise at 25° C. and the organo group is a C.sub.(1-8) monovalent hydrocarbon radical.
Claim 22
Dependent Claim
64 words
The composition of claim 19 wherein there is further present from 0.2 to 10 parts by weight of a plasticizer and an adhesion promoter which is silanol containing diorganopolysiloxane with a viscosity in the range of 10 to 1,000 centipoise at 25° C. where the organo group is a C.sub.(1-8) monovalent hydrocarbon radical and the silanol content varies from 3 to 10% by weight.
Claim 23
Dependent Claim
157 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR29## and having terminal siloxy units of the formula, ##STR30## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X and Y are divalent radicals selected from --O--, --S-- and ##STR31## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical, and (B) from 0.1 to 5 parts by weight an adhesion promoter of the formula, ##STR32## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 24
Dependent Claim
157 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR29## and having terminal siloxy units of the formula, ##STR30## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X and Y are divalent radicals selected from --O--, --S-- and ##STR31## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical, and (B) from 0.1 to 5 parts by weight an adhesion promoter of the formula, ##STR32## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 25
Dependent Claim
17 words
The composition of claim 21 wherein in the base organopolysiloxane R 5 is a C.sub.(4-12) alkyl radical.
Claim 26
Dependent Claim
12 words
The composition of claim 22 wherein R 5 is a dodecyl radical.
Claim 27
Dependent Claim
40 words
The composition of claim 23 wherein there is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 in the adhesion promoter is tertiary butyl.
Claim 28
Dependent Claim
13 words
The composition of claim 24 wherein the curing promoter is a tin salt.
Claim 29
Dependent Claim
13 words
The composition of claim 25 wherein the tin salt is dimethyl tin bis-neodecanoate.
Claim 30
Dependent Claim
20 words
The composition of claim 26 wherein there is present from 0.1 to 5 parts by weight of a shelf-life stabilizer.
Claim 31
Dependent Claim
12 words
The composition of claim 27 wherein the shelf-life stabilizer is zirconium octoate.
Claim 32
Dependent Claim
20 words
The composition of claim 27 wherein there is further present from 10 to 200 parts by weight of a filler.
Claim 33
Dependent Claim
14 words
The composition of claim 29 wherein this filler is fumed silica treated with cyclopolysiloxanes.
Claim 34
Dependent Claim
47 words
The composition of claim 30 wherein there is further present from 1 to 50 parts by weight of a plasticizer which is a linear diorganopolysiloxane of a viscosity varying from 10 to 1,000 centipoise at 25° C. and the organo group is a C.sub.(1-8) monovalent hydrocarbon radical.
Claim 35
Dependent Claim
64 words
The composition of claim 31 wherein there is further present from 0.2 to 10 parts by weight of a plasticizer and an adhesion promoter which is silanol containing diorganopolysiloxane with a viscosity in the range of 10 to 1000 centipoise at 25° C. wherein the organo group is a C.sub.(1-8) monovalent hydrocarbon radical and the silanol content varies from 3 to 10% by weight.
Claim 36
Dependent Claim
185 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR33## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether cross-linking agent of the formula, ##STR34## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X and Y are divalent radicals selected from --O--, --S-- and ##STR35## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR36## where X, Y, Z, R 1 , c are previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 37
Dependent Claim
185 words
A self-bonding one-component RTV silicone rubber composition comprising (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR33## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether cross-linking agent of the formula, ##STR34## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X and Y are divalent radicals selected from --O--, --S-- and ##STR35## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR36## where X, Y, Z, R 1 , c are previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 38
Dependent Claim
18 words
The composition of claim 33 wherein the silyl ether cross-linking agent R 5 is a C.sub.(4-12) alkyl radical.
Claim 39
Dependent Claim
12 words
The composition of claim 34 wherein R 5 is a dodecyl radical.
Claim 40
Dependent Claim
40 words
The composition of claim 35 where there is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 in the adhesion promoter is tertiary butyl.
Claim 41
Dependent Claim
13 words
The composition of claim 36 wherein the curing promoter is a tin salt.
Claim 42
Dependent Claim
13 words
The composition of claim 37 wherein the tin salt is dimethyl tin bis-neodecanoate.
Claim 43
Dependent Claim
21 words
The composition of claim 38 wherein there is further present from 0.1 to 5 parts by weight of a shelf-life stabilizer.
Claim 44
Dependent Claim
12 words
The composition of claim 39 wherein the shelf-life stabilizer is zirconium octoate.
Claim 45
Dependent Claim
20 words
The composition of claim 39 wherein there is further present from 10 to 200 parts by weight of a filler.
Claim 46
Dependent Claim
14 words
The composition of claim 41 wherein the filler is fumed silica treated with cyclopolysiloxanes.
Claim 47
Dependent Claim
48 words
The composition of claim 42 wherein there is further present from 1 to 50 parts by weight of a plasticizer which is a linear diorganopolysiloxane polymer of a viscosity varying from 10 to 1,000 centipoise at 25° C. and the organo group is a C.sub.(1-8) monovalent hydrocarbon radical.
Claim 48
Dependent Claim
65 words
The composition of claim 43 wherein there is further present from 0.2 to 10 parts by weight of a plasticizer and an additional adhesion promoter which is silanol containing diorganopolysiloxane with a viscosity in the range of 10 to 1,000 centipoise at 25° C. where the organo group is a C.sub.(1-8) monovalent hydrocarbon radical and the silanol content varies from 3 to 10% by weight.
Claim 49
Dependent Claim
217 words
A process for forming a self-bonding one-component RTV silicone rubber composition comprising (1) mixing (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR37## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C. (B) from 0.1 to 10 parts by weight of silyl ether crosslinking agent of the formula, ##STR38## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen, and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR39## S is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR40## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical; (2) allowing the composition to cure at room temperature
Claim 50
Dependent Claim
217 words
A process for forming a self-bonding one-component RTV silicone rubber composition comprising (1) mixing (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR37## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C. (B) from 0.1 to 10 parts by weight of silyl ether crosslinking agent of the formula, ##STR38## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen, and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR39## S is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR40## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical; (2) allowing the composition to cure at room temperature
Claim 51
Dependent Claim
203 words
A process for forming self-bonding one-component RTV silicone rubber compositions comprising (1) mixing (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR41## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether crosslinking agent of the formula, ##STR42## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X, and Y are divalent radicals selected from --O--, --S-- and ##STR43## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR44## where X, Y, Z, R 1 , c are previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical; (2) allowing the composition to cure at room temperature to a silicone elastomer.
Claim 52
Dependent Claim
203 words
A process for forming self-bonding one-component RTV silicone rubber compositions comprising (1) mixing (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR41## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether crosslinking agent of the formula, ##STR42## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X, and Y are divalent radicals selected from --O--, --S-- and ##STR43## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR44## where X, Y, Z, R 1 , c are previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical; (2) allowing the composition to cure at room temperature to a silicone elastomer.
Claim 53
Dependent Claim
19 words
The process of claim 46 wherein in the silyl ether crosslinking agent R 5 is a C.sub.(4-12) alkyl radical.
Claim 54
Dependent Claim
12 words
The process of claim 47 wherein R 5 is a dodecyl radical.
Claim 55
Dependent Claim
209 words
An article of manufacture comprising a laminate of metallic substrate and a one-component self-bonding RTV silicone rubber composition comprising (1) a substrate selected from a metal, plastic or glass and (2) having thereover a layer of self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR45## and having terminal alkoxysiloxy units of the formula, ##STR46## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR47## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; (B) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR48## where X, Y, Z, R 1 , b and c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 56
Dependent Claim
209 words
An article of manufacture comprising a laminate of metallic substrate and a one-component self-bonding RTV silicone rubber composition comprising (1) a substrate selected from a metal, plastic or glass and (2) having thereover a layer of self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR45## and having terminal alkoxysiloxy units of the formula, ##STR46## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR47## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 or 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; (B) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR48## where X, Y, Z, R 1 , b and c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 57
Dependent Claim
40 words
The laminate of claim 49 wherein it is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 in the adhesion promoter is tertiary butyl.
Claim 58
Dependent Claim
234 words
A laminate of a substrate and a silicone rubber composition comprising (1) a substrate selected from metallic substrates, plastic substrates and glass substrates and (2) a layer over said substrate of a self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR49## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether crosslinking agent of the formula, ##STR50## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen, and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR51## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 to 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR52## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 59
Dependent Claim
234 words
A laminate of a substrate and a silicone rubber composition comprising (1) a substrate selected from metallic substrates, plastic substrates and glass substrates and (2) a layer over said substrate of a self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR49## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether crosslinking agent of the formula, ##STR50## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen, and R, R 2 is a C.sub.(1-8) alkyl radical, X and Y are divalent radicals selected from --O--, --S-- and ##STR51## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, e is a whole number having a value of 0 to 1, g is equal to 1 or 2, and the sum of e+g is equal to 1 or 2; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR52## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 60
Dependent Claim
36 words
The laminate of claim 51 where it is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 is tertiary butyl.
Claim 61
Dependent Claim
187 words
A laminate of a substrate and a silicone elastomer comprising (1) a substrate selected from metallic substrates, plastic substrates, glass substrates and (2) applied over the substrate a layer of self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR53## and having terminal siloxy units of the formula, ##STR54## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X, and Y are divalent radicals selected from --O--, --S-- and ##STR55## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical, and (B) from 0.1 to 5 parts by weight of an adhesion promoter of the formula ##STR56## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 62
Dependent Claim
187 words
A laminate of a substrate and a silicone elastomer comprising (1) a substrate selected from metallic substrates, plastic substrates, glass substrates and (2) applied over the substrate a layer of self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of an organopolysiloxane consisting essentially of chemically combined units of the formula, ##STR53## and having terminal siloxy units of the formula, ##STR54## where R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X, and Y are divalent radicals selected from --O--, --S-- and ##STR55## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical, and (B) from 0.1 to 5 parts by weight of an adhesion promoter of the formula ##STR56## where X, Y, Z, R 1 , b, c are as previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 63
Dependent Claim
16 words
The composition of claim 53 wherein the base organopolysiloxane R 5 is a C.sub.(4-12) alkyl radical.
Claim 64
Dependent Claim
40 words
The laminate of claim 55 wherein there is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 in the adhesion promoter is tertiary butyl.
Claim 65
Dependent Claim
40 words
The laminate of claim 55 wherein there is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 in the adhesion promoter is tertiary butyl.
Claim 66
Dependent Claim
220 words
A laminate of a substrate and a silicone elastomer comprising (1) a substrate selected from the class consisting of metallic substrates, plastic substrates and glass substrates and (2) applied over the substrate a layer of a self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR57## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether crosslinking agent of the formula, ##STR58## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X and Y are divalent radicals selected from --O--, --S-- and ##STR59## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR60## where X, Y, Z, R 1 , c are previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 67
Dependent Claim
220 words
A laminate of a substrate and a silicone elastomer comprising (1) a substrate selected from the class consisting of metallic substrates, plastic substrates and glass substrates and (2) applied over the substrate a layer of a self-bonding one-component RTV silicone rubber composition having (A) 100 parts by weight of a silanol end-stopped polymer of the formula, ##STR57## where s varies such that the viscosity of the polymer varies from 100 to 1,000,000 centipoise at 25° C.; (B) from 0.1 to 10 parts by weight of a silyl ether crosslinking agent of the formula, ##STR58## where Q is a hydrolyzable radical, R is a C.sub.(1-13) monovalent organic radical, R 1 is selected from hydrogen, halogen and R, X and Y are divalent radicals selected from --O--, --S-- and ##STR59## Z is a divalent C.sub.(1-13) organic radical selected from alkylene, cycloalkylene, arylene and a fused ring structure, b and c are equal to 0 or 1, R 3 is selected from hydrogen and R, and d is a whole number having a value of 0 or 1, R 5 is a C.sub.(1-13) monovalent organic radical; and (C) from 0.1 to 5 parts by weight of an adhesion promoter of the formula, ##STR60## where X, Y, Z, R 1 , c are previously defined and R 4 is a C.sub.(4-8) monovalent hydrocarbon radical.
Claim 68
Dependent Claim
19 words
The laminate of claim 57 wherein in the silyl ether crosslinking agent R 5 is a C.sub.(4-12) alkyl radical.
Claim 69
Dependent Claim
12 words
The laminate of claim 58 where R 5 is a dodecyl radical.
Claim 70
Dependent Claim
40 words
The laminate of claim 59 wherein there is further present from 0.01 to 10 parts by weight of a curing promoter which is a metal salt of a carboxylic acid and R 4 in the adhesion promoter is tertiary butyl.
Claim 71
Dependent Claim
84 words
The composition of claim 1 where there is further present from 2 to 20 parts by weight of a fluid polysiloxane containing a high degree of trifunctionality, tetrafunctionality and comprising (i) from 25 to 60 mole percent of monoalkylsiloxy units, siloxy units, or a mixture of such units; (ii) from 1 to 6 mole percent of trialkylsiloxy units; and (iii) from 34 to 74 mole percent of dialylsiloxy units, said polysiloxane containing from about 0.1 to about 2% by weight of silicon-bonded hydroxyl groups.
Claim 72
Dependent Claim
84 words
The composition of claim 11 where there is further present from 2 to 20 parts by weight of a fluid polysiloxane containing a high degree of trifunctionality, tetrafunctionality and comprising (i) from 25 to 60 mole percent of monoalkylsiloxy units, siloxy units, or a mixture of such units; (ii) from 1 to 6 mole percent of trialkylsiloxy units; and (iii) from 34 to 74 mole percent of dialkylsiloxy units, said polysiloxane containing from about 0.1 to about 2% by weight of silicon-bonded hydroxyl groups.
Claim 73
Dependent Claim
84 words
The composition of claim 21 where there is further present from 2 to 20 parts by weight of a fluid polysiloxane containing a high degree of trifunctionality, tetrafunctionality and comprising (i) from 25 to 60 mole percent of monoalkylsiloxy units, siloxy units, or a mixture of such units; (ii) from 1 to 6 mole percent of trialkylsiloxy units; and (iii) from 34 to 74 mole percent of dialkylsiloxy units, said polysiloxane containing from about 0.1 to about 2% by weight of silicon-bonded hydroxyl groups.
Claim 74
Dependent Claim
84 words
The composition of claim 33 where there is further present from 2 to 20 parts by weight of a fluid polysiloxane containing a high degree of trifunctionality, tetrafunctionality and comprising (i) from 25 to 60 mole percent of monoalkylsiloxy units, siloxy units, or a mixture of such units; (ii) from 1 to 6 mole percent of trialkylsiloxy units; and (iii) from 34 to 74 mole percent of dialkylsiloxy units, said polysiloxane containing from about 0.1 to about 2% by weight of silicon-bonded hydroxyl groups.
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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) | 1985-11-08 | 1986-05-10 | 1986-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-08 | 1990-05-10 | 1990-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-08 | 1994-05-10 | 1994-11-09 | $7700.00 | Window Closed / Lapsed |