Polyurethane sealant compositions and their use as...

C - Chemistry – Metallurgy – 08 – G

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C08G 18/32 (2006.01) C08G 18/48 (2006.01) C08G 18/50 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1242298

POLYURETHANE SEALANT COMPOSITIONS AND THEIR USE AS THERMAL-BREAK SEALANTS Abstract of the Disclosure The invention relates to low shrinkage poly- urethane sealant compositions which are prepared by reacting a mixture of a polyoxyalkylene polyether glycol, an ethylene oxide adduct of toluenediamine and triisopropanolamine with an organic polyisocyanate.

493839

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