Preparation of polyvinyl halide with quaternary salt of cellulos

Details Preparation of polyvinyl halide with quaternary salt of cellulos Preparation of polyvinyl halide with quaternary salt of cellulos

1980-12-11

1982-02-23

Henderson, C. A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263442, C08F 220, C08F 1406

Patent

active

043169767

ABSTRACT:
An improved method for preparing polyvinyl halide by suspension polymerization is disclosed. The improvement comprises adding a minor, but effective, amount of a quaternary ammonium salt of cellulose sulfate to the reaction admixture prior to polymerization. The improved process results in a product having increased bulk density.

REFERENCES:
patent: 2932629 (1960-04-01), Wiley
patent: 3205204 (1965-09-01), Heckmaier
patent: 4208499 (1980-06-01), Maruhashi
patent: 4226748 (1980-10-01), Matsunaga

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