Adherable reinforced poly(ethylene terephthalate) composite shee

Details Adherable reinforced poly(ethylene terephthalate) composite shee Adherable reinforced poly(ethylene terephthalate) composite shee

1982-11-24

1984-08-28

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428297, 428303, 428325, 428332, 428333, 428343, 428355, B32B 702

Patent

active

044684266

ABSTRACT:
Fiber-reinforced poly(ethylene terephthalate) sheet is laminated to a sheet of amorphous, adhesive copolyester at a temperature at which poly(ethylene terephthalate) is in a molten state. The resulting composite sheet is useful in making thermoformed articles in which one member is bonded to another member, for example, a face member and a backing member. The different members are arranged so that their copolyester layers face each other. Hollow thermoformed articles bonded with amorphous copolyester adhesive exhibit very good bond strength and minimum distortion.

REFERENCES:
patent: 3935358 (1976-01-01), Wyeth et al.
patent: 3959432 (1976-05-01), Wiley
U.S. Application Ser. No. 390,683, filed 6-21-82, Hatchadoorian et al., (DuPont).

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