Manufacture of resin extended pigments

Details Manufacture of resin extended pigments Manufacture of resin extended pigments

1983-04-06

1984-10-23

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106288Q, 106308M, 106308Q, 106309, 524 90, 524562, 524563, 524564, 524574, 524581, C08K 534, C08K 556, C08J 320, C09C 310

Patent

active

044789688

ABSTRACT:
A process for preparing a resin extended pigment from crude pigment is disclosed. The process involves dry premilling the crude pigment either with or without the resin followed by comilling the premilled pigment with the resin in the presence of water under alkaline conditions. Preferably an organic liquid which wets the resin and the pigment and can improve the crystallinity of the pigment is present in the water milling step.

REFERENCES:
patent: 2539429 (1951-01-01), Jensen
patent: 2544636 (1951-03-01), Peck
patent: 2649382 (1953-08-01), Vesce
patent: 3705816 (1972-12-01), Zwahlen
patent: 3806464 (1974-04-01), Matrick et al.
patent: 3925096 (1975-12-01), Karkov
patent: 4158572 (1979-06-01), Blackburn et al.
patent: 4260424 (1981-04-01), Mizoguchi et al.
patent: 4369272 (1983-01-01), Jaffe
patent: 4371642 (1983-02-01), Jaffe
patent: 4371643 (1983-02-01), Thomas
patent: 4404036 (1983-09-01), Donegan

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