US4495340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable masses producing carboxyfunctional silicone coatings
Assignee: Dow Silicones Corp
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Filing: 1983-12-23
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Granted: 1985-01-22
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Expires: 2003-12-23
Abstract
Abstract Carboxyfunctional silicone coating compositions are disclosed. These compositions can be coated and cured upon various substrates to furnish smooth, tough, protective, cleanable surfaces. The compositions comprise: (A) a certain liquid copolymeric polyorganosiloxane; (B) a carboxyfunctional silicone; and (C) a catalyst.
Inventors
- 👤 John D. Blizzard
- 👤 Terence J. Swihart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:44
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08L83/14; C09; C09D; C09D183/00; C09D183/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/14; C08G77/16; C08G77/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
181 words
A curable mass comprising the combination of: (A) the reaction product of (i) an organosilicon resin consisting essentially of R 3 SiO 1/2 units and SiO 4/2 units wherein R represents a monovalent hydrocarbon radical, the ratio of R 3 SiO 1/2 units to SiO 4/2 units is from 0.6/1 to 0.9/1 said resin containing from 0.1% to 5% by weight, based on the total weight of reactant (i), of hydroxyl radicals bonded to silicon atoms, and (ii) a polyorganohydrogensiloxane; (B) a carboxyfunctional silicone having the general unit formula Q a R' b SiO.sub.(4-a-b)/2 wherein Q is a carboxyfunctional radical, R' is selected from the group consisting of monovalent hydrocarbon radicals, hydride radicals, and hydroxy radicals, a has a value of 0 to 3, b has a value of 0 to 3, the sum of the values of a plus b is from 1 to 3, there being at least one Q radical and at least of R' radical selected from the group consisting of hydride radicals, vinyl radicals, and hydroxy radicals; and (C) a catalytically effectiv amount of a catalyst.
Claim 2
Dependent Claim
181 words
A curable mass comprising the combination of: (A) the reaction product of (i) an organosilicon resin consisting essentially of R 3 SiO 1/2 units and SiO 4/2 units wherein R represents a monovalent hydrocarbon radical, the ratio of R 3 SiO 1/2 units to SiO 4/2 units is from 0.6/1 to 0.9/1 said resin containing from 0.1% to 5% by weight, based on the total weight of reactant (i), of hydroxyl radicals bonded to silicon atoms, and (ii) a polyorganohydrogensiloxane; (B) a carboxyfunctional silicone having the general unit formula Q a R' b SiO.sub.(4-a-b)/2 wherein Q is a carboxyfunctional radical, R' is selected from the group consisting of monovalent hydrocarbon radicals, hydride radicals, and hydroxy radicals, a has a value of 0 to 3, b has a value of 0 to 3, the sum of the values of a plus b is from 1 to 3, there being at least one Q radical and at least of R' radical selected from the group consisting of hydride radicals, vinyl radicals, and hydroxy radicals; and (C) a catalytically effectiv amount of a catalyst.
Claim 3
Dependent Claim
13 words
A curable mass as claimed in claim 1 further comprising an organic solvent.
Claim 4
Dependent Claim
87 words
A curable mass as claimed in claim 2 wherein the carboxyfunctional silicone is a polydiorganosiloxane having the formula R"R'.sub.2 SiO(R'.sub.2 SiO).sub.x (R'QSiO).sub.y SiR'.sub.2 R" wherein R' represents a monovalent hydrocarbon radical, R" is selected from the group consisting of Q radicals, vinyl radicals, hydroxyl radicals, and hydride radicals, there being at least one radical per molecule selected from the group consisting of vinyl radicals, hydroxy radicals, and hydride radicals, x has a value of from 0 to 7000, y has a value of from 10 to 5000.
Claim 5
Dependent Claim
14 words
A curable mass as claimed in claim 3 wherein R' is the methyl radical.
Claim 6
Dependent Claim
14 words
A curable mass as claimed in claim 4 wherein R" is the hydroxyl radical.
Claim 7
Dependent Claim
16 words
A curable mass as claimed in claim 5 wherein component (C) is a silanol condensation catalyst.
Claim 8
Dependent Claim
36 words
A curable mass as claimed in claim 6 wherein there is present 40 to 60 parts of component (A) and 60 to 40 parts of component (B), based on 100 total parts of (A) and (B).
Claim 9
Dependent Claim
22 words
A curable mass as claimed in claim 3 wherein R" is selected from the group consisting of vinyl radicals and hydride radicals.
Claim 10
Dependent Claim
15 words
A curable mass as claimed in claim 8 wherein component (C) is a hydrosilylation catalyst.
Claim 11
Dependent Claim
16 words
A curable mass as in claim 9 wherein the hydrosilylation catalyst is a compound of platinum.
Claim 12
Dependent Claim
36 words
A curable mass as claimed in claim 10 wherein there is present 40 to 60 parts of component (A) and 60 to 40 parts of component (B), based on 100 total parts of (A) and (B).
Claim 13
Dependent Claim
15 words
A curable mass as claimed in claim 3 wherein Q is a carboxy acid radical.
Claim 14
Dependent Claim
30 words
A curable mass as claimed in claim 12 wherein R" is selected from the group consisting of vinyl radicals and hydride radicals, and component (C) is a compound of platinum.
Claim 15
Dependent Claim
36 words
A curable mass as claimed in claim 13 wherein there is present 40 to 60 parts of component (A) and 60 to 40 parts of component (B), based on 100 total parts of (A) and (B).
Claim 16
Dependent Claim
35 words
A curable mass as claimed in claim 3 wherein Q is a Li salt, R" is selected from the group consisting of vinyl radicals and hydride radicals, and component (C) is a compound of platinum.
Claim 17
Dependent Claim
36 words
A curable mass as claimed in claim 15 wherein there is present 40 to 60 parts of component (A) and 60 to 40 parts of component (B), based on 100 total parts of (A) and (B).
Claim 18
Dependent Claim
35 words
A curable mass as claimed in claim 3 wherein Q is a Na salt, R" is selected from the group consisting of vinyl radicals and hydride radicals, and component (C) is a compound of platinum.
Claim 19
Dependent Claim
36 words
A curable mass as claimed in claim 17 wherein there is present 40 to 60 parts of component (A), and 60 to 40 parts of component (B), based on 100 total parts of (A) and (B).
Claim 20
Dependent Claim
35 words
A curable mass as claimed in claim 3 wherein Q is a K salt, R" is selected from the group consisting of vinyl radicals and hydride radicals, and component (C) is a compound of platinum.
Claim 21
Dependent Claim
36 words
A curable mass as claimed in claim 19 wherein there is present 40 to 60 parts of component (A), and 60 to 40 parts of component (B), based on 100 total parts of (A) and (B).
Claim 22
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 1.
Claim 23
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 3.
Claim 24
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 8.
Claim 25
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 12.
Claim 26
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 15.
Claim 27
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 17.
Claim 28
Dependent Claim
11 words
A solid resulting from curing the curable mass of claim 19.
Claim 29
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 21 bonded thereto.
Claim 30
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 22 bonded thereto.
Claim 31
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 23 bonded thereto.
Claim 32
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 24 bonded thereto.
Claim 33
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 25 bonded thereto.
Claim 34
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 26 bonded thereto.
Claim 35
Dependent Claim
15 words
An article of manufacture comprising a substrate with the solid of claim 27 bonded thereto.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-22 | 1988-07-23 | 1989-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-22 | 1992-07-23 | 1993-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-22 | 1996-07-23 | 1997-01-22 | $7700.00 | Window Closed / Lapsed |