发明名称 TERMOKENSLIGT REGISTRERINGSMATERIAL INNEFATTANDE ETT SKYDDSSKIKT INNEHALLANDE POLYVINYLALKOHOL MED ETT FORTVALNINGSFORHALLANDE AV 70-85%
摘要 <p>A thermosensitive recording material is disclosed suitable for use in thermosensitive-recording-type tickets, including magnetic tickets, and thermosensitive-recording-type labels, comprising a support material; a thermosensitive coloring layer formed on the front side of the support material, which thermosensitive coloring layer comprises a leuco dye and an acidic material capable of coloring the leuco dye when heat is applied thereto; and a protective layer formed on the thermosensitive coloring layer, which protective layer comprises a polyvinyl alcohol with a saponification ratio ranging from 70% to 85% and is capable of preventing intrusion of materials which may discolor the thermosensitive coloring layer.</p>
申请公布号 SE451977(B) 申请公布日期 1987.11.09
申请号 SE19820001321 申请日期 1982.03.03
申请人 RICOH CO LTD 发明人 K * MARUTA;Y * YUYAMA
分类号 B41M5/28;B41M5/30;B41M5/40;B41M5/42;B41M5/44;G09F3/02;G09F3/20;(IPC1-7):B41M5/18 主分类号 B41M5/28
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