Spherical polyvinyl chloride particles

Details Spherical polyvinyl chloride particles Spherical polyvinyl chloride particles

1985-03-04

1986-07-29

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 521 60, 521 65, 521921, 526 88, 526202, 5263442, 5263443, C08J 900, C08F 220

Patent

active

046031510

ABSTRACT:
Polyvinyl chloride resin in particulate form characterized by said resin particles being spherical in shape and said resin having low amounts of glassy content. Extrudates, such as pipe, formed from the novel resin of this invention have high impact strength. The novel resin of this invention has high bulk density and fast extrusion rates.

REFERENCES:
patent: 3620988 (1971-11-01), Cohen
patent: 3706722 (1972-12-01), Nelson et al.
patent: 4229547 (1980-10-01), Cohen et al.
patent: 4360651 (1982-11-01), Dinbergs
patent: 4458057 (1984-07-01), Basu

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