Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1988-06-02
1989-10-10
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428480, 428483, 428325, B32B 702
Patent
active
048731374
ABSTRACT:
A composite structure comprising at least one core layer comprising polyethylene terephthalate and at least one outer layer on each side of the core layer, comprising polyethylene terephthalate and about 10 to about 60 percent glass flake, based on the weight of the outer layer, provides thermoformed articles with good high temperature stiffness and good surface properties.
REFERENCES:
patent: 4375494 (1983-03-01), Stokes
patent: 4425457 (1984-01-01), Christiansen et al.
patent: 4555439 (1985-11-01), Ueeda et al.
patent: 4693941 (1987-09-01), Ostapchenko
E. I. Du Pont de Nemours and Company
Harbin Alisa C.
Lesmes George F.
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