Oligomeric rosin esters for use in inks

摘要

Disclosed are ester compounds of the formulae;
wherein Rc is alkylene, arylene, arylalkylene, or alkylarylene as further defined herein, Rd is alkylene, arylene, arylalkylene, or alkylarylene as further defined herein, and m and n are integers representing the numbers of repeat monomer units. The materials are suitable for use in inks and other applications.

主权项

1. A compound of the formula wherein Rc is:
(i) alkylene, including substituted and unsubstituted alkylene, wherein hetero atoms either may or may not be present in alkylene;(ii) arylene, including substituted and unsubstituted arylene, wherein hetero atoms either may or may not be present in arylene;(iii) arylalkylene, including substituted and unsubstituted arylalkylene, wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of arylalkylene; or(iv) alkylarylene, including substituted and unsubstituted alkylarylene, wherein hetero atoms either may or may not be present in either or both of the alkyl portion and the aryl portion of alkylarylene; and n is an integer representing the number of repeat monomer units and is at least 2.