Process for blow-molding and heat setting of polyester hollow fo

Details Process for blow-molding and heat setting of polyester hollow fo Process for blow-molding and heat setting of polyester hollow fo

1988-10-13

1990-04-03

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 1C, 264521, 428212, 428480, B65D 102, B29C 4908

Patent

active

049139452

ABSTRACT:
Disclosed is a process for the preparation of a heat-resistant polyester hollow formed body, which comprises mounting a preform of a thermoplastic polyester composed mainly of ethylene terephthalate units, which is maintained at a temperature where high-speed drawing is possible but whitening can be prevented, especially at a temperature represented by the following formula:

REFERENCES:
patent: 4233022 (1980-11-01), Brady et al.
patent: 4512448 (1985-04-01), Jabarin
patent: 4755404 (1988-07-01), Collette

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