Method for the production of a powdered phenolic resole resin

Details Method for the production of a powdered phenolic resole resin Method for the production of a powdered phenolic resole resin

1980-10-06

1982-03-02

Schain, Howard E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528137, 528140, 528145, 528165, 528485, 528488, 528489, 528490, C08G 810

Patent

active

043179010

ABSTRACT:
A method for the production of a powdery, free-flowing phenol/formaldehyde resin is disclosed wherein a polyvalent cationic precipitant is added to the resin emulsion produced, the precipitate is filtered, washed with water and dried.

REFERENCES:
patent: 1150642 (1915-08-01), Stockhausen
patent: 1197171 (1916-09-01), Aylsworth
patent: 1697885 (1929-01-01), Seebach
patent: 1807545 (1931-05-01), Ostersetzer
patent: 2371915 (1933-03-01), Rector et al.
patent: 2424787 (1947-07-01), Adams, Jr.
patent: 2690393 (1954-09-01), McGarvey
patent: 2744875 (1956-05-01), Thomas et al.
patent: 4269949 (1981-05-01), Hickson et al.
patent: 4281098 (1981-07-01), McCormick

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