Vulcanizable alkoxysilyl capped polymer composition

Claim 2

A storage stable viscous resinous composition curable at room temperature on exposure to moisture, comprising: a. a vulcanizable polymer having at least one terminal trialkoxysilyl radical; and b. homogenously blended with said polymer a catalytic amount of a fluoroaliphaticsulfonyl substituted ethylene compound sufficient to cause crosslinking of said vulcanizable polymer to a cured product, wherein the fluoroaliphaticsulfonyl substituted ethylene compound has the formula ##STR25## wherein R f is a monovalent saturated fluoroaliphatic radical; Q is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical; and Z is an aromatic group or an unsaturated, conjugated heterocyclic organic radical and having a valence on a carbon atom.

Claim 3

The composition of claim 1 wherein said heterocyclic organic radical is selected from a group consisting of ##STR26## wherein R' is H or a lower alkyl ##STR27## and wherein each member of said group may have one or more substituents selected from a group consisting of chlorine, bromine, fluorine atom, an alkyl, alkoxy, dialkylamino, or nitro radical.

Claim 4

The composition of claim 1 wherein the vulcanizable polymer has the formula R.sub.1 [O--CO--NH--R.sub.2 --NH--CO--X--R.sub.3 --Si(OR).sub.3 ].sub.n wherein R is a monovalent lower alkyl radical having 1 to 6 carbon atoms, R 1 is a polyvalent radical which is the residue resulting from the removal of n hydroxyl groups from a polyoxy alkylene polyol having a molecular weight of from 300 to 6000, n is the integer from 1 to 6, R 2 is a divalent alkylene radical having from 1 to 18 carbon atoms or a divalent aromatic radical having from 6 to 18 carbon atoms, X is a divalent bridging group selected from --O--, --S--, and --NR-- wherein R 4 is hydrogen or a lower alkyl group having 1 to 6 carbon atoms, and R 3 is a divalent hydrocarbon radical or a divalent hydrocarbon ether radical having from 1 to 18 carbon atoms.

Claim 5

The composition of claim 1 wherein the vulcanizable polymer is a copolymer of a polymerizable organic vinylic compound with 0.01 to 100 moles per 100 moles of organic vinylic compound of a vinyl trialkoxysilyl monomer of the general formula ##STR28## wherein R 5 is hydrogen, methyl, or chlorine; R 6 is a divalent radical selected from the group consisting of ##STR29## wherein R 7 is a lower alkylene group having 2-6 carbon atoms.

Claim 6

The composition of claim 1 wherein said fluoroaliphaticsulfonyl substituted ethylene compound has the formula R 11 --CH=C(SO 2 R f ) 2 wherein R 11 is a monovalent aryl radical having from 6-18 carbon atoms.

Claim 7

The composition of claim 1 additionally comprising 3 to 15% by weight of an organic polyisocyanate.