Method for forming bodies of foamed plastisol resin

Details Method for forming bodies of foamed plastisol resin Method for forming bodies of foamed plastisol resin

1976-04-02

1977-10-18

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 55, 264 464, 264 467, 264140, 264259, 264DIG69, 428306, 428312, 428327, B29D 2700

Patent

active

040546268

ABSTRACT:
An improved method for forming bodies of foamed plastisol resin characterized by the steps of solidifying a flowable plastisol containing a chemical blowing agent to form a solidified body, grinding the body to form a body of uniformly sized aggregate, depositing the aggregate in a mold, and heating the mold to a temperature above that at which the plastisol fuses and the blowing agent decomposes.

REFERENCES:
patent: 3192294 (1965-06-01), Streed et al.
patent: 3272683 (1966-09-01), Marcus et al.
patent: 3376366 (1968-04-01), Clark
patent: 3872200 (1975-03-01), Tokito et al.
patent: 3904720 (1975-09-01), Sjostrand

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