Transparent formable polyurethane polycarbonate lamination

Details Transparent formable polyurethane polycarbonate lamination Transparent formable polyurethane polycarbonate lamination

1975-12-22

1977-08-30

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156242, 156246, 156306, 428423, B29C 1900

Patent

active

040452697

ABSTRACT:
A method for producing clear, cured transparent polycarbonate laminates comprises directly bonding a sheet of transparent thermosetting polyurethane sheet to a polycarbonate sheet to produce a laminate, heating the laminate above the softening point of the polycarbonate sheet, and forming the laminate to a desired curvature.

REFERENCES:
patent: 3001901 (1961-09-01), Barkley
patent: 3069287 (1962-12-01), Hudson
patent: 3341391 (1967-09-01), Hamilton et al.
patent: 3388032 (1968-06-01), Saunders
patent: 3458388 (1967-07-01), Moynihan
patent: 3567057 (1971-03-01), Landen
patent: 3655432 (1972-04-01), Hausslein
patent: 3671370 (1972-06-01), Littell
patent: 3900655 (1975-08-01), Wolgemuth et al.

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