Expandable poly (vinyl chloride) resin composition for use in po

Details Expandable poly (vinyl chloride) resin composition for use in po Expandable poly (vinyl chloride) resin composition for use in po

1995-03-17

1997-10-14

Cooney, Jr., John M.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 75, 521107, 521134, 521145, 264 41, 264 54, C08J 910, C08L 2706

Patent

active

056773560

ABSTRACT:
An expandable poly(vinyl chloride) resin composition for use in powder molding process containing a granular poly(vinyl chloride) resin, a fine-granular poly(vinyl chloride) resin, a plasticizer, a stabilizer, a foaming agent and an alkyl phosphate gives by a powder molding process an expansion-molded article having remarkably strengthened foamed cells and free from the occurrence of surface unevenness caused by polyurethane backing.

REFERENCES:
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patent: 4226443 (1980-10-01), Tsurushige et al.
patent: 4434251 (1984-02-01), Sasajima et al.
patent: 4781976 (1988-11-01), Fujita et al.
patent: 4956222 (1990-09-01), Matsuura et al.
patent: 5321090 (1994-06-01), Nakatsuji et al.

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