Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Spatial relationship specified between color-former and...
Patent
1988-12-19
1990-10-09
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Spatial relationship specified between color-former and...
427152, 503200, B41M 518
Patent
active
049620797
ABSTRACT:
This invention provides an overcoat composition for a heat-sensitive record material comprising as an effective component thereof an emulsion of graft copolymer prepared by graft-copolymerizing methyl (meth)acrylate (A), a lower hydroxalkyl (meth)acrylate (B) and (meth)acrylic acid (C) with a polyvinyl alcohol in the presence of water and a neutralization salt of diisobutylene-maleic anhydride copolymer; a heat-sensitive record material having a heat-sensitive layer coated over its surface with an overcoat composition defined above; and a process for preparing a heat-sensitive record material comprising coating the surface of the heat-sensitive layer of a heat-sensitive record material with an overcoat composition defined above.
Inoue Tetsuya
Matsumoto Hisashi
Takahashi Nobuyuki
Takami, deceased Masaaki
Arakawa Chemical Industries Ltd.
Mitsubishi Paper Mills Limited
Schwartz Pamela R.
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