Removable polyurethane adhesive

Details Removable polyurethane adhesive Removable polyurethane adhesive

1992-03-27

1993-07-13

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

428 85, 428 90, 428 91, 428 95, 428 97, 428349, 428355, 521174, 521175, 521914, 525 49, 525 75, 525 77, C08G 1814

Patent

active

052274098

ABSTRACT:
A polyurethane adhesive is prepared from a reaction mixture containing small amounts of chain extender material and a high equivalent weight of a polyol and a monoalcohol. An article adhered to a substrate using this adhesive is firmly affixed to the substrate, yet can be removed without leaving residual adhesive on the substrate. In addition, this adhesive can be washed and reused if desired.

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