Water-soluble rosin polyamide resins

Details Water-soluble rosin polyamide resins Water-soluble rosin polyamide resins

1989-12-21

1991-11-19

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 20, 106500, 530210, 530211, 530221, C09D 1108

Patent

active

050663313

ABSTRACT:
A water-soluble resin for packaging ink comprising the reaction product of fumarated or maleated rosin and a compound containing two secondary amine groups is disclosed. A resin with a higher softening point may be obtained by substituting a dicarboxylic acid, such as adipic acid or isophathalic acid, for part of the fumarated or maleated rosin. Water varnishes, pigment bases, and water based inks containing the resin are disclosed.

REFERENCES:
patent: 3637638 (1972-01-01), Sloan
patent: 3896064 (1975-07-01), Koishi et al.
patent: 4536468 (1985-08-01), Yasui et al.
patent: 4963188 (1990-10-01), Parker

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