High impact strength articles from polyester blends

Details High impact strength articles from polyester blends High impact strength articles from polyester blends

1994-02-28

1995-01-17

Short, Patricia A.

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

Synthetic resins

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

525173, 525177, 525444, 524539, C08L 6702

Patent

active

053826280

ABSTRACT:
The present invention relates to thermoformed plastic articles such as frozen food trays which exhibit unexpectedly high impact strength at low temperatures. The articles are obtained from polyester blends containing 88 to 99 weight percent of a poly(ethylene terephthalate) resin and 1 to 12 weight percent of a poly(1,4-cyclohexylenedimethylene terephthalate) resin which contains at least 30 mole percent of 1,4-cyclohexanedimethanol.

REFERENCES:
patent: 4263364 (1981-04-01), Seymour et al.
patent: 4572852 (1986-02-01), Gartland
patent: 4874809 (1989-10-01), Keep
patent: 4897448 (1990-01-01), Romance
Research Disclosure 25244, Apr., 1985.

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