Method of sealing joints and cracks in concrete or asphalt...

Details Method of sealing joints and cracks in concrete or asphalt... Method of sealing joints and cracks in concrete or asphalt...

C - Chemistry, Metallurgy

09

D

117/183, 117/7

C09D 181/04 (2006.01) C09K 3/10 (2006.01)

Patent

CA 1316768

64693-3743D ABSTRACT A method of sealing cracks and joints in concrete or asphalt structures is disclosed. The cracks or joints are sealed with a sealant which is an organic-terminated polysulfide polymer represented by the formulae Image I and Image II wherein n is a number from 2 to 8, 1 is zero or a positive integer, m is a positive integer, each R is independently an unsubstituted or inertly substituted organic polyradical with the radicals residing in carbon atoms, p is zero or a positive number which is the difference between the number of valence of R and 2, and each Y and Z is independently chosen from the class consisting of (vinylaryl)alkyl and other inertly substituted noncross-linking monoradicals provided that at least a portion of Z is (vinylaryl) alkyl.

615742

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