Rosin derivatives used as dispersants

Details Rosin derivatives used as dispersants Rosin derivatives used as dispersants

1985-08-02

1987-05-05

Griffin, Ronald W.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

106 20, 106 27, 106 30, 106308N, 106308F, B01F 1752, C08K 501, C08K 502, C09D 1102

Patent

active

RE0324116

ABSTRACT:
High-solids pigment concentrates are disclosed containing a novel dispersing agent formed by reacting a poly (lower alkylene) imine, having molecular weight of 1,000 to 15,000 with a [polyester] composition containing free carboxylic acid groups said composition comprising [the esterification product of] a low molecular weight composition formed by heating hydroxystearic acid, or its oligomer, with tall oil rosin.

REFERENCES:
patent: 3778394 (1973-12-01), Lovald et al.
patent: 3881942 (1975-05-01), Buckwalter
patent: 4224212 (1980-09-01), Topham

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