Offset printing ink composition

Details Offset printing ink composition Offset printing ink composition

1981-08-06

1983-05-24

Griffin, Ronald W.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

106 20, 106 27, 106 28, 260DIG38, 524481, 524487, 524509, 525143, C09D 1110

Patent

active

043851495

ABSTRACT:
An offset printing ink composition is provided which contains a vehicle resin (III) prepared by reacting 5 to 100 parts by weight of a phenolic resin (component D) with 100 parts by weight of a modified resin (II) modified with an acid, said phenolic resin (component D) being prepared by the condensation of a phenol including an alkyl substituent group having 4 to 9 carbon atoms with formalin, said modified resin (II) modified with an acid being prepared by reacting 1 to 15 parts by weight of a component C selected from the group consisting of unsaturated carboxylic acids, unsaturated carboxylic acid anhydrides and mixtures thereof with 100 parts by weight of a resin (I) obtained by copolymerizing 5 to 50 parts by weight of a component B selected from the group consisting of drying oils, fatty acids and mixtures thereof with 100 parts by weight of a five-member cyclic compound (component A) having a conjugated double bond or bonds and a Diels-Alder addition product thereof, such as cyclopentadiene or dicyclopentadiene.

REFERENCES:
patent: 2608550 (1952-08-01), Rowland et al.
patent: 3084147 (1963-04-01), Wilks

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