Treatment of pigments for improved dispersibility and concentrat

Details Treatment of pigments for improved dispersibility and concentrat Treatment of pigments for improved dispersibility and concentrat

1997-01-24

1998-11-03

Merriam, Andrew E. C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524166, 524540, 524570, 524577, 106503, C08K 322, C08K 511

Patent

active

058309292

ABSTRACT:
Thermoplastic concentrates comprising inorganic pigments, such as titanium dioxide, treated with a dialkyl sulfosuccinate treating agent, of the formula ROOCCHSO.sub.3 MCH.sub.2 COOR', where R and R' are monovalent alkyl radicals containing from about 2 to about 20 carbon atoms and M is a metallic monovalent cation, are disclosed. Such treatment improves the dispersibility of the pigments in thermoplastic resins. The treatment also enables the production of thermoplastic concentrates comprising a high percentage of treated inorganic pigment dispersed in a thermoplastic resin.

REFERENCES:
patent: 4524160 (1985-06-01), Maeda et al.
patent: 4749506 (1988-06-01), Kitahara et al.
patent: 4985287 (1991-01-01), Tachibana
patent: 5260353 (1993-11-01), Palmer et al.

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