Bonded plastic structures

Details Bonded plastic structures Bonded plastic structures

1983-02-04

1984-04-17

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

156242, 156311, 156322, 156327, 1563314, 428214, 428215, 428346, 428347, 4284231, 4284235, 4284237, 4284755, B32B 2708, B32B 2734, B32B 2740, C09J 502

Patent

active

044435193

ABSTRACT:
A bonded plastic structure which comprises plastic parts of reaction injection molded polyurethane or reaction injection molded nylon coated with a primer coat and bonded together with a thermoplastic block copolymer. The primer coat comprises a moisture-curable polyisocyanate. The block copolymer comprises from 40 to 80 weight percent crystalline polyester or polyamide segments and 20 to 60 weight percent amorphous polyamide or polyether segments and has a crystalline melting point of at least 155.degree. C. The bonded structure is adapted to survive the hot environment of paint curing ovens.

REFERENCES:
patent: 3650999 (1972-03-01), Martins et al.
patent: 4031164 (1977-06-01), Hedrick et al.
patent: 4053682 (1977-10-01), Donermeyer
Derwent Abstract of Jap. 54149-781, Toyobo, Nov. 1979.

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