Multilayer polymeric composite and method for its manufacture

Details Multilayer polymeric composite and method for its manufacture Multilayer polymeric composite and method for its manufacture

1987-12-18

1989-07-04

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Including interfacial reaction product of adjacent layers

4284231, 428482, 4284242, 428506, 428483, 4283193, 156310, 427400, B32B 704

Patent

active

048449555

ABSTRACT:
A multilayer polymeric composite structure of high impact strength and delamination resistance possesses a polymeric cosmetic layer chemically bonded to a cross-linked, isocyanate-modified thermosetting polyester or polyether substrate layer. In one embodiment of the structure, a relatively thin, predominantly acrylic resin layer is chemically bonded through urethane linkages to a relatively thick, reinforced, polyester foam substrate layer. A reinforced reaction injection molding (RPIM) procedure for manufacturing the polymeric composite is also disclosed.

REFERENCES:
patent: 4333987 (1982-08-01), Kwart et al.
patent: 4337296 (1982-06-01), Varadhachary
patent: 4361626 (1982-11-01), Boba et al.

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