Modified natural-resin acid-aldehyde adducts

Details Modified natural-resin acid-aldehyde adducts Modified natural-resin acid-aldehyde adducts

1996-10-11

1998-01-13

Krass, Frederick

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

Synthetic resins

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

525 5444, 528 40, 106 20R, 106 30R, 106218, 106219, 106228, 106241, 106500, C09D 1110, C09D 1108, C08G 834

Patent

active

057080780

ABSTRACT:
Modified natural-resin acid esters comprising units of compounds of each of the groups A) natural resins and natural-resin acids, B) aldehydes and aldehyde acetals, C) alcohols having at least two hydroxyl groups, D) metal salts and, if desired, of compounds of one or more of the groups E) .alpha.,.beta.-ethylenically unsaturated carboxylic acids and their anhydrides, F) fatty acids and fatty acid esters, G) ethylenically unsaturated hydrocarbon resins are suitable in pigment dispersions and pigment concentrates for printing inks. The natural-resin acid esters contain substantially no phenol or phenol-aldehyde condensation products.

REFERENCES:
patent: 2572071 (1951-10-01), St. Clair et al.
patent: 3674732 (1972-07-01), Pitzalis et al.
patent: 3935145 (1976-01-01), Rudolphy
patent: 4198329 (1980-04-01), Rudolphy et al.
patent: 5380800 (1995-01-01), Bender et al.
patent: 5427612 (1995-06-01), Bender
patent: 5498684 (1996-03-01), Bender
patent: 5556454 (1996-09-01), Bender

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