Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or...
Patent
1993-09-08
1995-06-27
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
427152, 503226, B41M 540
Patent
active
054279968
ABSTRACT:
A heat-sensitive recording sheet superior in color formation and sticking resistance and excellent in storage stabilities such as plasticizer resistance and wet-rub resistance and printability which comprises a support and, provided thereon, a heat-sensitive recording layer and a protective layer is provided by using as a main component of the protective layer in the case of the protective layer comprising one layer a latex having a softening point of 200.degree.-350.degree. C. obtained by polymerizing mainly a specific hydrophobic vinyl monomer in the presence of a polymeric latex having a glass transition temperature of 50.degree. C. or lower and as a main component of the protective layer in the case of the protective layer comprising two or more layers a latex having a softening point of 150.degree.-260.degree. C. in the inner layer(s) and preferably, using in the outermost protective layer said specific latex having a softening point of 200.degree.-350.degree. C. used in the protective layer comprising one layer. Furthermore, the heat-sensitive recording layer may optionally contain 2,4'-dihydroxydiphenyl sulfone and preferably a hindered phenol.
REFERENCES:
Verified Partial English Translation of JP-A-62-173284 (Fuji Photo Film Co Ltd) 30 Jul. 1987, p. 2, left lower column, lines 9-18.
Patent Abstracts of Japan, vol. 9, No. 111 (M-379) (1834) 15 May 1985 & JP-A-59 232 893 (RICOH KK) 27 Dec. 1984.
Patent Abstracts of Japan, vol. 12, No. 14 (M-659) (2861) 16 Jan. 1988 & JP-A-62 173 284 (Fuji Poto Film Co Ltd) 30 Jul. 1987.
Patent Abstracts of Japan, vol. 4, No. 139 (M-034) 19 Jul. 1980 & JP-A-55 095 593 (Honshu Paper Co Ltd) 19 Jul. 1980.
Patent Abstracts of Japan, vol. 11, No. 228 (M-610) 24 Jul. 1987 & JP-A-62 042 884 (Fuji Poto Film Co Ltd) 24 Feb. 1987.
Patent Abstracts of Japan, vol. 7, No. 55 (M-198) (1200) 5 Mar. 1983 & JP-A-57 201 692 (Fuji Shashin Film KK) 10 Dec. 1982.
Funae Haruyoshi
Kaneko Yasuko
Kosaka Takao
Motoda Makoto
Nakazawa Toru
Hess B. Hamilton
Mitsubishi Paper Mills Limited
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