THERMAL RECORDING MEDIUM

PURPOSE:To enhance sensitivity of a thermal recording medium, to improve oil resistance, plasticizer resistance of a color developed image and to hence enhance long-term stability of the image by forming developer contained together with dye precursor in a thermal color developed layer of the medium...

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Hauptverfasser:	TOYOFUKU KUNITAKA, SHIRAI AYAKO
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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creator	TOYOFUKU KUNITAKA SHIRAI AYAKO
description	PURPOSE:To enhance sensitivity of a thermal recording medium, to improve oil resistance, plasticizer resistance of a color developed image and to hence enhance long-term stability of the image by forming developer contained together with dye precursor in a thermal color developed layer of the medium of compound having a specific structure. CONSTITUTION:The thermal recording medium comprises a sheetlike base, and a thermal color developed layer formed at least on one surface of the base and containing colorless or light-color dye precursor and developer for color developing the precursor in reaction by heating. The developer contains at least one type of compound represented by a formula (wherein X is O, S, R is at least aromatic group substituted with at least one member selected from non-substituted aromatic group, lower alkyl group, lower alkoxy group and halogen atom, A is bivalent or higher group, and n is integer of 2 or more). As a result, the medium in which the image having excellent oil resistance, plasticizer resistance, moisture resistance, heat resistance, etc., i.e., excellent long-term preservability can be formed can be obtained.
format	Patent
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CONSTITUTION:The thermal recording medium comprises a sheetlike base, and a thermal color developed layer formed at least on one surface of the base and containing colorless or light-color dye precursor and developer for color developing the precursor in reaction by heating. The developer contains at least one type of compound represented by a formula (wherein X is O, S, R is at least aromatic group substituted with at least one member selected from non-substituted aromatic group, lower alkyl group, lower alkoxy group and halogen atom, A is bivalent or higher group, and n is integer of 2 or more). 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CONSTITUTION:The thermal recording medium comprises a sheetlike base, and a thermal color developed layer formed at least on one surface of the base and containing colorless or light-color dye precursor and developer for color developing the precursor in reaction by heating. The developer contains at least one type of compound represented by a formula (wherein X is O, S, R is at least aromatic group substituted with at least one member selected from non-substituted aromatic group, lower alkyl group, lower alkoxy group and halogen atom, A is bivalent or higher group, and n is integer of 2 or more). As a result, the medium in which the image having excellent oil resistance, plasticizer resistance, moisture resistance, heat resistance, etc., i.e., excellent long-term preservability can be formed can be obtained.</description><subject>COLOUR PRINTING</subject><subject>LINING MACHINES</subject><subject>PERFORMING OPERATIONS</subject><subject>PRINTING</subject><subject>PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES</subject><subject>STAMPS</subject><subject>TRANSPORTING</subject><subject>TYPEWRITERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1995</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAI8XAN8nX0UQhydfYPcvH0c1fwdXXxDPXlYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxXgEeBuYm5ubmxo7GRCgBALyvH5A</recordid><startdate>19950221</startdate><enddate>19950221</enddate><creator>TOYOFUKU KUNITAKA</creator><creator>SHIRAI AYAKO</creator><scope>EVB</scope></search><sort><creationdate>19950221</creationdate><title>THERMAL RECORDING MEDIUM</title><author>TOYOFUKU KUNITAKA ; SHIRAI AYAKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0747773A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1995</creationdate><topic>COLOUR PRINTING</topic><topic>LINING MACHINES</topic><topic>PERFORMING OPERATIONS</topic><topic>PRINTING</topic><topic>PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES</topic><topic>STAMPS</topic><topic>TRANSPORTING</topic><topic>TYPEWRITERS</topic><toplevel>online_resources</toplevel><creatorcontrib>TOYOFUKU KUNITAKA</creatorcontrib><creatorcontrib>SHIRAI AYAKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TOYOFUKU KUNITAKA</au><au>SHIRAI AYAKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>THERMAL RECORDING MEDIUM</title><date>1995-02-21</date><risdate>1995</risdate><abstract>PURPOSE:To enhance sensitivity of a thermal recording medium, to improve oil resistance, plasticizer resistance of a color developed image and to hence enhance long-term stability of the image by forming developer contained together with dye precursor in a thermal color developed layer of the medium of compound having a specific structure. CONSTITUTION:The thermal recording medium comprises a sheetlike base, and a thermal color developed layer formed at least on one surface of the base and containing colorless or light-color dye precursor and developer for color developing the precursor in reaction by heating. The developer contains at least one type of compound represented by a formula (wherein X is O, S, R is at least aromatic group substituted with at least one member selected from non-substituted aromatic group, lower alkyl group, lower alkoxy group and halogen atom, A is bivalent or higher group, and n is integer of 2 or more). As a result, the medium in which the image having excellent oil resistance, plasticizer resistance, moisture resistance, heat resistance, etc., i.e., excellent long-term preservability can be formed can be obtained.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects	COLOUR PRINTING LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
title	THERMAL RECORDING MEDIUM
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