Composition of copolyesters

Details Composition of copolyesters Composition of copolyesters

1978-06-12

1980-01-08

Phynes, Lucille M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528309, C08G 6376

Patent

active

041828410

ABSTRACT:
This invention relates to copolyesters for making containers by blow molding. The copolyesters are crosslinked just short of network formation to the point of forming gel to improve the strength of the copolyesters in molten state to the point that a pre-form maintains its shape and size and does not sag at molding temperature.

REFERENCES:
patent: T954005 (1977-01-01), Davis et al.
patent: 3673139 (1972-06-01), Hrach
patent: 3814786 (1974-06-01), Gall et al.
patent: 3822332 (1974-07-01), Hrach
patent: 3931114 (1976-01-01), Gall et al.
patent: 3953404 (1976-04-01), Borman

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