Injection moldable poly(ethylene terephthalate)

Details Injection moldable poly(ethylene terephthalate) Injection moldable poly(ethylene terephthalate)

1982-02-18

1983-06-28

Lieberman, Allan

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524413, 524434, 524437, 524435, 260DIG35, 524292, 524314, C08L 6702, C08K 310

Patent

active

043906494

ABSTRACT:
A molding composition of a terephthalate polyester such as PET, a plasticizing material and a crystal nucleating agent. The nucleating agent is a powdered metal hydroxide such as aluminum hydroxide, which raises the T.sub.cc of the composition and permits reduced cycling time and enables higher molecular weight polymer to be used in the molding process.

REFERENCES:
patent: 3435093 (1969-03-01), Cope
patent: 3575931 (1971-04-01), Sherman
patent: 3583935 (1971-06-01), Weissermel
patent: 3639527 (1972-02-01), Brinkman
patent: 3673139 (1972-06-01), Hrach
patent: 3969313 (1976-07-01), Aishima
patent: 4071494 (1978-01-01), Gaylord
Chem. Abs. 83:61443g.
Chem. Abs. 89:25423r.

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