发明名称 |
THERMAL RECORDING MATERIAL |
摘要 |
A thermal recording sheet which is satisfactory in sensitivity in color development, background heat resistance, and background color, is free from powdering, and has excellent image retention. The sheet comprises a supporting sheet and formed thereon a thermal color development layer containing as main components a colorless or light-colored basic dye and an organic color developer, and is characterized in that the thermal color development layer contains at least one dihydroxydiphenyl sulfone compound represented by general formula (1) as the organic color developer, and further contains either at least one saturated fatty acid monoamide represented by general formula (2) in an amount of 1.5 to 5 parts per part of the organic color developer or a combination of at least one saturated fatty acid monoamide represented by general formula (2) and at least one diphenyl sulfone derivative represented by the general formula (3). In said formulas, R1 and R2 each represents C1-8 alkyl, alkenyl, or halogeno; and a and b each is an integer of 0 to 3; R3 represents C11-21 alkyl; and R4 to R9 each represents hydrogen, alkyl, halogeno, nitro, alkoxy, cyano, or allyloxy.
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申请公布号 |
WO0053425(A1) |
申请公布日期 |
2000.09.14 |
申请号 |
WO2000JP01299 |
申请日期 |
2000.03.03 |
申请人 |
NIPPON PAPER INDUSTRIES CO., LTD.;MIDORIKAWA, YOSHIMI;SUMIKAWA, NAOMI;TSUZUKI, YUJI;SEKINE, TOMONORI;HAMADA, KAORU;KIMURA, YOSHIHIDE |
发明人 |
MIDORIKAWA, YOSHIMI;SUMIKAWA, NAOMI;TSUZUKI, YUJI;SEKINE, TOMONORI;HAMADA, KAORU;KIMURA, YOSHIHIDE |
分类号 |
B41M5/333;B41M5/337;(IPC1-7):B41M5/30 |
主分类号 |
B41M5/333 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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