Process for forming container of acrylonitrile polymers by biaxi

Details Process for forming container of acrylonitrile polymers by biaxi Process for forming container of acrylonitrile polymers by biaxi

1992-04-24

1993-11-09

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 25, 264 26, 264525, 264 401, 264535, 264537, 264169, 264235, 264343, 264346, 4251744, B29C 3508

Patent

active

052600050

ABSTRACT:
A process for forming a container of acrylonitrile polymers by biaxial-orientation blow-molding a preform. A preform of thermoplastic resin, mainly acrylonitrile polymers, is irradiated with an electron beam or a gamma-ray. Immediately after the irradiation, the preform is heated at 40.degree. C. or higher to reduce residual acrylonitrile monomer in the preform to 0.1 ppm or less. Then, the preform is biaxial-orientation blow molded to form a container.

REFERENCES:
patent: 3787170 (1974-01-01), Gilbert
patent: 3830893 (1974-08-01), Steingiser
patent: 3934743 (1976-01-01), McChesney et al.
patent: 4025594 (1977-05-01), Agrawal
patent: 4036927 (1977-07-01), Stolki
patent: 4174043 (1979-11-01), Salame et al.
patent: 4537734 (1985-08-01), Morganstern
patent: 4740335 (1988-04-01), Scholz et al.

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