Polyurethane adhesive containing a siloxane internal mold...

Details Polyurethane adhesive containing a siloxane internal mold... Polyurethane adhesive containing a siloxane internal mold...

C - Chemistry, Metallurgy

09

J

C09J 175/04 (2006.01) B29C 33/62 (2006.01) B32B 5/18 (2006.01) B32B 7/12 (2006.01) C08G 18/61 (2006.01) C09J 11/08 (2006.01)

Patent

CA 2146083

ABSTRACT OF THE DISCLOSURE: There is provided a two-component polyurethane adhesive containing a siloxane polycarbinol compound having at least two hydroxyl groups which acts as an internal mold release agent without noticeably affecting the adhesive strength of the adhesive. The two-component polyurethane adhesive containing the siloxane polycarbinol compound may be used to adhere thermoformable foams to fibers such as glass mats and scrim in an optionally heated press without sticking to the mold surface yet exhibiting foam tear rather than delamination at the foam/fiber interface.

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