| 摘要 |
A composition comprising a reaction product of reactants comprising (a) a compound comprising (i) a polysulfide moiety and (ii) an oxygen atom in a &bgr;-position to a sulfur link having the formula: where each R is independently selected from H or a C1 to C20 organyl group, R′ is independently selected from a C1 to C20 organyl group, R′″ is independently selected from H or a C1 to C20 organyl group, and x has an average of greater than 2, (b) a compound comprising a nucleophilic moiety; and (c) a compound comprising a moiety reactive to active hydrogen.
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