Particulate vinyl polymer and water-base coating composition usi

Details Particulate vinyl polymer and water-base coating composition usi Particulate vinyl polymer and water-base coating composition usi

1995-12-04

1997-02-25

Smith, Jeffrey T.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524832, C08L 3102

Patent

active

056059590

ABSTRACT:
A particulate vinyl polymer is provided. At least 95 wt. % of its particles have a minor axis A and a major axis B, which are in a relationship of 1.ltoreq.B/A.ltoreq.1.5 and individually range from 30 .mu.m to 400 .mu.m. The polymer has an acid value of from 30 to 150 mgKOH/g. This particulate vinyl polymer is excellent in work-ability such as the solubility in aqueous medium, and is useful as a raw material for water-base coating compositions having superb dispersion of a pigment and excellent waterproofness.

REFERENCES:
patent: 4320207 (1992-03-01), Watanabe et al.
patent: 5496904 (1996-03-01), Moriya et al.

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