Curable coating compositions of silane functional polymers
First Claim
1. A silanol condensation catalyst consisting of a mixture of one or more metal amidine complexes and one or more amine carboxylate salts, wherein the amidine is a guanidine, and wherein the guanidine is 1-phenylguanidine and/or 1-(o-tolyl)guanidine.
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Abstract
There is a tin-free curable composition having (A) one or more organic polymers having a reactive-silicon-containing group, wherein at least one polymer has a main chain skeleton selected from the group consisting of polyoxyalkylene polymers, saturated hydrocarbon polymers, and (meth)acrylic acid ester polymers; (B) from 0.001 to 20 parts by weight for 100 parts by weight of the organic polymer(s) (A) of a silanol condensation catalyst consisting of one or more metal amidine complexes and one or more amine carboxylate salts, (C) a crosslinker or chain extender chosen from an alkoxysilane, an alkoxysiloxane, an oximosilane, an oximosiloxane, an epoxysilane, an epoxysiloxane, an aminosilane, a carboxysilane, a carboxysiloxane, an alkylamidosilane, an alkylamidosiloxane, an arylamidosilane, an arylamidosiloxane, an alkoxyaminosilane, an alkaryaminosiloxane, an alkoxycarbamatosilane, an alkoxycarbamatosiloxane, and combinations of two or more thereof; and (D) at least one adhesion promoter chosen from a silane or siloxane other than the compounds listed under (C). There is also a cured polymer formed from the tin-free curable composition.
56 Citations
46 Claims
- 1. A silanol condensation catalyst consisting of a mixture of one or more metal amidine complexes and one or more amine carboxylate salts, wherein the amidine is a guanidine, and wherein the guanidine is 1-phenylguanidine and/or 1-(o-tolyl)guanidine.
- 7. A silanol condensation catalyst consisting of a mixture of one or more metal amidine complexes and one or more amine carboxylate salts, wherein the one or more amine carboxylate salts is derived from a phenyl guanidine represented by formulae
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10. A silanol condensation catalyst consisting of a mixture of one or more metal amidine complexes and one or more amine carboxylate salts, wherein the one or more amine carboxylate salts is derived from an amine selected from monoethanolamine, 3-hydroxypropylamine, 2-(2-aminoethylamino)ethanol, 1-dimethylamino-2-propanol, diethylamino-2-propanol, 2-(dimethylamino)ethanol, 2-(diethylamino)ethanol, 2-dimethylamino-2-methyl-1-propanol, ethylenediamine, N-methylethylenediamine, 1, 3-propanediamine, N-methyl-1, 3-propanediamine, N, N′
- -dimethyl-1, 3-propanediamine, 3-(diethylamino)propyl amine, 3-(dimethylamino)propyl amine and diethylenetriamine.
- View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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12. A silanol condensation catalyst consisting of a mixture of one or more metal amidine complexes and one or more amine carboxylate salts, wherein the one or more amine carboxylate salts is derived from a carboxylic acid in which the α
- -carbon atom of the carboxyl group is a quaternary carbon atom.
- View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
Specification