Process for injection molding a polyester with improved crystall

Details Process for injection molding a polyester with improved crystall Process for injection molding a polyester with improved crystall

1981-01-28

1983-06-28

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

B29F 108

Patent

active

043904939

ABSTRACT:
A process for injection molding a polyester with improved crystallization thereof is described, which comprises incorporating, prior to molding, incorporating in the polyester as a crystallization accelerator a compound containing at least one aromatic ring selected from the group consisting of a benzene ring, a naphthalene ring and an anthracene ring; at least one sulfonic acid alkali metal salt group; and at least one phenolic hydroxy alkali metal salt group.

REFERENCES:
patent: 4150079 (1979-04-01), Chang

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