Non-yellowing polyurethane adhesives

Details Non-yellowing polyurethane adhesives Non-yellowing polyurethane adhesives

C - Chemistry, Metallurgy

09

J

C09J 175/08 (2006.01) B32B 5/26 (2006.01) B32B 7/12 (2006.01) C08G 18/12 (2006.01) C08G 18/40 (2006.01) C08G 18/73 (2006.01) C08G 18/75 (2006.01) C09J 175/04 (2006.01) C09J 175/06 (2006.01) D06M 17/10 (2006.01)

Patent

CA 2044291

A non-yellowing urethane adhesive based on a polyurethane prepolymer which is prepared by reacting a specific combination of polyhydroxy compounds and an isocyanate compound. The polyhydroxy compounds include a polyalkylene ether diol, a polyalkylene ether triol, and a polyester polyol. The combination of these polyhydroxy compounds and an isocyanate compound results in an adhesive composition which has exceptionally good resistance to high temperature, humidity, and sustained UV radiation, particularly when applied to fabric-like materials.

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