B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
400/4020
B41M 5/155 (2006.01)
Patent
CA 1310439
ABSTRACT An aqueous suspension of a multivalent- metal-modified salicylic acid resin, which is suitable for use in the production of color-developing sheets for pressure-sensitive recording paper sheets, contains a specific multivalent-metal-modified salicylic acid resin as the first-mentioned resin. Fine particles of the specific multivalent-metal-modified salicylic acid is dispersed in an aqueous solution of a dispersant composed of at least one compound selected from the group consisting of: (a) water-soluble anionic high-molecular compounds composed of polyvinyl alcohol derivatives containing sulfonic acid groups in their molecules, and salts thereof, (b) acrylamide-modified polyvinyl alcohols, and (c) water-soluble anionic high-molecular compounds composed of polymers or copolymers comprising particular styrenesulfonic acid derivatives as their essential components. The aqueous dispersion is prepared by finely grinding the specific multivalent-metal-modified salicylic acid in the aqueous solution of the dispersant.
562245
Akahori Hiroyuki
Asano Makoto
Hasegawa Kiyoharu
Takagi Masatoshi
Tanabe Yoshimitsu
Mitsui Chemicals Inc.
Sim & Mcburney
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