Polysulfide sealant and caulk compositions

Details Polysulfide sealant and caulk compositions Polysulfide sealant and caulk compositions

B - Operations, Transporting

32

B

117/183

B32B 27/06 (2006.01) C08K 5/54 (2006.01)

Patent

CA 1071038

ABSTRACT This invention relates to enhancing the bonding of polysulfide sealants to a variety of inorganic substrates, most particularly, to metal, ceramic, concrete, and glass substrates. This improved bonding of sealant is achieved by the use of a silane adhesion promoter which is characterized by the following formula: R - SIX3 where in R is a norbornenyl, bicyclopentenyl, or a mercaptonorbornyl containing radical, and "X" 18 a hydrolyzable group. 1.

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