US4611040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoride ion as a curing catalyst for silicon-containing resins
Assignee: PPG Industries Inc
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Filing: 1985-06-05
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Granted: 1986-09-09
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Expires: 2005-06-05
Abstract
Abstract Disclosed is a composition comprising (A) a silicon-containing resin having in a molecule thereof at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group, and (B) a cure promoting catalyst system for the silicon-containing resin. The catalyst system comprises a compound containing a fluoride ion. Also disclosed is a composition comprising such a silicon-containing resin, and a catalyst system comprising a compound containing a fluoride ion in combination with an organotin compound.
Inventors
- 👤 Kurt G. Olson
- 👤 William P. Blackburn
- 👤 Mark E. Endlish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:46
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/16; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
57 words
A curable composition comprising: (A) A silicon-containing resin having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound containing an organic cation in combination with a fluoride ion.
Claim 2
Dependent Claim
57 words
A curable composition comprising: (A) A silicon-containing resin having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound containing an organic cation in combination with a fluoride ion.
Claim 3
Dependent Claim
30 words
The curable composition of claim 1 wherein said organic cation contains an alkyl ammonium moiety having from 1 to 4 alkyl groups attached to the nitrogen atom in said moiety.
Claim 4
Dependent Claim
24 words
The curable composition of claim 2 wherein said organic cation is selected from the group consisting of tetrabutyl ammonium cation and benzyltrimethyl ammonium cation.
Claim 5
Dependent Claim
38 words
The curable composition of claim 1 wherein said compound containing a fluoride ion is present in said composition in an amount of from 0.001 to 5 percent by weight based on the total weight of said silicon-containing resin.
Claim 6
Dependent Claim
80 words
A curable composition comprising: (A) A silicon-containing resin having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound of an inorganic cation selected from the group consisting of an ammonium cation and a cation of an alkali metal in combination with a fluoride ion which compound is soluble in said composition.
Claim 7
Dependent Claim
80 words
A curable composition comprising: (A) A silicon-containing resin having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound of an inorganic cation selected from the group consisting of an ammonium cation and a cation of an alkali metal in combination with a fluoride ion which compound is soluble in said composition.
Claim 8
Dependent Claim
33 words
The curable composition of claim 5 wherein said compound having an inorganic cation in combination with said fluoride ion is selected from the group consisting of sodium fluoride, potassium fluoride and cesium fluoride.
Claim 9
Dependent Claim
55 words
A curable composition comprising: (a) A silicon-containing resin having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound containing a fluoride ion and an organotin compound.
Claim 10
Dependent Claim
55 words
A curable composition comprising: (a) A silicon-containing resin having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound containing a fluoride ion and an organotin compound.
Claim 11
Dependent Claim
18 words
The curable composition of claim 7 wherein said organotin compound is an organotin salt of a carboxylic acid.
Claim 12
Dependent Claim
67 words
The curable composition of claim 7 wherein said compound containing a fluoride ion is present in said composition in an amount of from 0.001 to 5 percent by weight based on the total weight of said silicon-containing resin, and said organotin compound is present in said composition in an amount of from 0.1 to 10 percent by weight based on the total weight of said silicon-containing resin.
Claim 13
Dependent Claim
35 words
The curable composition of claim 9 wherein the ratio of the weight of said compound containing a fluoride ion to the weight of said organotin compound is in a range of from 1:100 to 10:1.
Claim 14
Dependent Claim
56 words
A curable composition comprising: (A) A silicon-containing resin which is a vinyl polymer having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound containing a fluoride ion.
Claim 15
Dependent Claim
56 words
A curable composition comprising: (A) A silicon-containing resin which is a vinyl polymer having in one molecule at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group; and (B) an effective amount of a cure promoting catalyst system for the silicon-containing resin, which catalyst system contains a compound containing a fluoride ion.
Claim 16
Dependent Claim
92 words
The curable composition of claim 11 wherein said vinyl polymer is an addition interpolymer containing alkoxy silane groups and/or acyloxy silane groups, said addition interpolymer derived from the reaction of a mixture of monomers wherein the mixture of monomers comprises (i) from about 50 percent to about 95 percent of at least one ethylenically unsaturated silicon-free monomer, and (ii) from about 5 percent to about 50 percent of a copolymerizable ethylenically unsaturated silane monomer selected from the group consisting of an alkoxy silane monomer, an acyloxy silane monomer, and a mixture thereof.
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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 |