Offset printing ink composition

Details Offset printing ink composition Offset printing ink composition

1984-11-14

1985-11-12

Michl, Paul R.

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

Synthetic resins

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

524509, 526272, C08L 6110

Patent

active

045529230

ABSTRACT:
The present invention is directed to a printing ink composition containing the reaction product of 5 to 100 parts by weight of a phenolic resin and about 100 parts by weight of a resin modified with an acid. The phenolic resin is prepared by condensing an appropriate 4-9 carbon alkylphenol with formalin. The modified resin is prepared by reacting 1 to 15 parts by weight of an appropriate unsaturated carboxylic acid and/or anhydride with about 100 parts by weight of the reaction product of 5 to 100 parts by weight straight-chain .alpha.-olefin with about 100 parts by weight of an appropriate pentacyclic compound, such as cyclopentadiene and/or dicyclopentadiene.

REFERENCES:
patent: Re28475 (1975-07-01), Blecke et al.
patent: 2521359 (1950-09-01), Garber
patent: 3560455 (1971-02-01), Hazen et al.
patent: 3887641 (1975-06-01), Tsuchiya et al.
patent: 4056498 (1977-11-01), Laurito
patent: 4139500 (1979-02-01), Rudolphy
patent: 4317753 (1982-03-01), Tsuchiya et al.

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