Aqueous resin dispersion for heat-sensitive recording material a

Details Aqueous resin dispersion for heat-sensitive recording material a Aqueous resin dispersion for heat-sensitive recording material a

1994-02-03

1997-10-14

Reddick, Judy M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524458, 524459, 524503, 526202, C08L 8300

Patent

active

056773650

ABSTRACT:
An aqueous resin dispersion for a heat-sensitive recording material is disclosed. The aqueous resin dispersion is obtained by the use of polyvinyl alcohol as an emulsifier and the use of two steps of polymerization. In the first step of polymerization, a polymeric monomer composition A is polymerized, composition A containing polymeric multi-functional monomers which constitute 15% by weight or more of the total weight of the polymeric monomers used for the first step. And, in the second step, a polymeric monomer composition B is polymerized, The invention also discloses a heat-sensitive recording material using such an aqueous resin dispersion as a color-developing layer or a protective coating.

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