Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1989-11-09
1992-07-28
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524556, 524558, 524560, C08L 3700
Patent
active
051341891
ABSTRACT:
An ink for heat-sensitive recording which comprises, as color developing components, an aromatic or heterocyclic isocyanate compound and an imino compound which are dispersed and/or dissolved in an organic solvent and, as a binder, (1) a copolymer of a mixture of component (a) which is an .alpha.,.beta.-ethylenically unsaturated carboxylic acid and component (b) which is at least one monomer selected from the group consisting of acrylic acid esters, methacrylic acid esters and aromatic vinyl compounds and/or (2) a three-component- or more component-copolymer, the fundamental skeleton of which is composed of isobutylene and maleic anhydride. The ink may additionally contain a heat-meltable substance and the like. The ink has a good wettability to a plastic substrate and can be dried rapidly in a printing machine.
REFERENCES:
patent: 3215657 (1965-02-01), Beresniewicz
patent: 4521793 (1985-06-01), Kabashima et al.
patent: 4797385 (1990-01-01), Igarashi
patent: 4824824 (1989-04-01), Matsushita
patent: 4880767 (1989-11-01), Hiraishi et al.
Matsushita Toshihiko
Morishita Sadao
Shibuya Kiyoshi
Mitsubishi Paper Mills Limited
Schofer Joseph L.
Smith Jeffrey T.
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