| 摘要 |
Sealant compositions comprising a latex polymer and an epoxysilane of the formula (see above formula) in which R1 is a difunctional alkyl bridge with 2 to 6 carbon atoms, each R2 group is the same or different and each is a C1 to C12 alkyl or aryl group, or a C1 to C6 alkoxy group each R3 group is the same or different and each is a C2 to C6 alkyl group, n is 2 or 1, R4, R5, and R6 are each hydrogen or a C1 to C6 alkyl group, R7 is an alkyl group having from one to four carbon atoms, or aralkyl, or an aryl group having six to ten carbon atoms, and c has a value of zero or one; wherein the epoxysilane is added to the polymer neat or as a non-aqueous solution.
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