Method of improving adhesion of polyurethane foam to polycarbona

Details Method of improving adhesion of polyurethane foam to polycarbona Method of improving adhesion of polyurethane foam to polycarbona

1995-09-25

1997-11-18

Cooney, Jr., John M.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

428412, 4284231, 4284233, 521 88, 521 89, 521 94, 521 97, 521163, 521174, 521189, C08G 1800

Patent

active

056888376

ABSTRACT:
A method improves the adhesion of polyurethane foam to polycarbonate by providing reactive groups on the polycarbonate surface. The adhesion is further improved by utilizing a polyurethane mix with an isocyanate index greater than 82. Articles comprising polycarbonate and polyurethane foam adhered to the polycarbonate by the method of the instant invention, such as automobile dashboards, are also provided.

REFERENCES:
patent: 4769030 (1988-09-01), Pinchuk

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