Modified dicyclopentadiene resins

Details Modified dicyclopentadiene resins Modified dicyclopentadiene resins

1995-08-14

1996-12-24

Acquah, Samuel A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

528176, 528192, 528193, 528194, 528212, 528219, 528272, 5282953, 5282955, 528302, 528303, 528306, 528307, 106 20R, 106 27R, C09D 1100, C08G 6300

Patent

active

055870074

ABSTRACT:
The specification describes a method for preparing a phenol-modified dicyclopentadiene resin. The method comprises reacting (a) dicyclopentadiene, (b) a phenol selected from the group consisting of an alkyl phenol having the formula CH.sub.3 C.sub.n H.sub.2n C.sub.6 H.sub.4 OH, where n is from 1 to 9, and a bisphenol having the formula HOC.sub.6 H.sub.4 (CR.sub.2).sub.x C.sub.6 H.sub.4 OH, where R is independently hydrogen or a C.sub.1 -C.sub.6 alkyl group and x is from 1 to 4, or mixtures thereof; (c) a fatty acid or a derivative thereof selected from the group consisting of tall oil, a tall oil derivative, dimer fatty acid, linseed oil and mixtures thereof; and (d) an unsaturated organic diacid or an anhydride thereof, at a temperature and autogenous pressure sufficient to produce a phenol-modified dicyclopentadiene resin. The resin product exhibits improved compatibility with ink vehicles and formulations, particularly ARLO or alkyd modified inks.

REFERENCES:
patent: 3880788 (1975-04-01), Rudolphy
patent: 4087483 (1978-05-01), Geerdes
patent: 4139500 (1979-02-01), Rudolphy
patent: 4506059 (1985-03-01), Hultzsch et al.
patent: 4552923 (1985-11-01), Tsuchiya et al.
patent: 4574057 (1986-03-01), Kaza et al.
patent: 5405932 (1995-04-01), Bender et al.

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