Silylated polyurethanes for adhesives and sealants with...

Details Silylated polyurethanes for adhesives and sealants with... Silylated polyurethanes for adhesives and sealants with...

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) C09J 175/04 (2006.01)

Patent

CA 2414411

The silylated polyurethane polymer includes a polyurethane prepolymer having between greater than about 50 to about 95 % of NCO groups terminated with silane capping agents. The polymer has an improved mechanical properties. The polymer can also have between about 5 % to less than about 50 % of the NCO groups terminated with low molecular weight terminators.

L'invention porte sur un polymère de polyuréthane silylé à propriétés mécaniques améliorées comportant un prépolymère de polyuréthane présentant plus d'environ 50 % à environ 95 % de groupes NCO terminés par des agents coiffants de silane. Ledit polymère peut également présenter entre environ 5 % et moins d'environ 50 % de groupes NCO terminés par des terminateurs de faible poids moléculaire.

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