Process for producing particulate novolac resins and aqueous dis

Details Process for producing particulate novolac resins and aqueous dis Process for producing particulate novolac resins and aqueous dis

1984-10-04

1988-11-29

Pertilla, Theodore E.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524596, 524841, 524904, C08L 6100

Patent

active

047882360

ABSTRACT:
Particulate novolac resins and aqueous dispersions are produced by condensing phenol with aldehyde using acid catalysis. Following neutralization, particulate novolac resin is formed by adding protective colloid to the aqueous mixture. Resin particle isolation can be aided by dephenolation.

REFERENCES:
patent: 3823103 (1974-07-01), Harding
patent: 4026848 (1977-05-01), Harding et al.
patent: 4115327 (1978-09-01), Kikuga et al.
patent: 4206095 (1980-01-01), Wynstra et al.
patent: 4420571 (1983-12-01), Blickensderfer et al.
Chem. Abstracts 83, 194,336f, Takiyama et al. (Japan), 8/5/75.

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