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Patent Searching and Data


Title:
RESIN FOR OFFSET INK
Document Type and Number:
Japanese Patent JP2005133049
Kind Code:
A
Abstract:

To provide a resin for an offset printing ink, without using an alkylphenol and formaldehyde, capable of obtaining more than equivalent performance with that of the conventional rosin-modified phenolic resin.

This resin for the offset ink having 120-220°C softening point and 5,000-300,000 weight-average molecular weight is obtained by performing the reaction of (a) a polymerized rosin, (b) at least one of plant oil, polymerized plant oil, plant oil fatty acids and other higher fatty acids, (c) an unsaturated dibasic acid, (d) a polyhydric alcohol, and (e) a polyalkylene glycol.


Inventors:
Sukenobu, Masanori
Hironaka, Akira
Application Number:
JP2003000405194
Publication Date:
May 26, 2005
Filing Date:
October 29, 2003
Export Citation:
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Assignee:
HITACHI KASEI POLYMER CO LTD
International Classes:
C08G63/52; C08F232/08; C09D11/02; (IPC1-7): C08G63/52; C08F232/08; C09D11/02