Urethane polymers and sealant compositions containing the same

Details Urethane polymers and sealant compositions containing the same Urethane polymers and sealant compositions containing the same

C - Chemistry, Metallurgy

09

K

400/7220, 402/9

C09K 3/10 (2006.01) C08G 18/06 (2006.01) C08G 18/10 (2006.01) C08G 77/00 (2006.01) C08L 75/00 (2006.01)

Patent

CA 1085543

ABSTRACT OF THE DISCLOSURE Novel, curable polyurethane polymers in which a proportion of the NCO terminations are reacted with certain amino silanes, or with the residual on reaction of a mercaptosilane with a monoepoxide, or with the residual on reaction of an epoxysilane with secondary amine. Sealant compositions formed with the novel polymers are stable in storage, moisture curable and adhered well to various substrates, obviating the need for a primer.

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