发明名称 WRITING UTENSIL FOR THERMAL RECORDING
摘要 PURPOSE:To provide the titled writing utensil such as a crayon which enables sublimation/evaporation transfer by infrared rays on an ordinary paper to obtain a transferred image in which difference in color density is small, wherein an infrared absorbing substance is blended into a drawing material comprising a sublimable or evaporable dye. CONSTITUTION:For example, in the case of a soild drawing material such as a crayon, a sublimable or evaporable dye (A), e.g., a disperse dye, a binder (B), e.g., paraffin wax, a filler pigment, (C), e.g., calcium carbonate, and an infrared absorbing substance (D), e.g., carbon black, are mixed with each other, preferably, in amounts of 5-30 parts of component (A), 30-90 parts of component (B), 1-40 parts of component (C) and 0.1-30 parts of component (D), to obtain the objective writing utensil.
申请公布号 JPS60124293(A) 申请公布日期 1985.07.03
申请号 JP19830231280 申请日期 1983.12.09
申请人 RICOH KK 发明人 HOTSUTA YOSHIHIKO
分类号 B43K19/04;B41M5/382;B41M5/392;B41M5/46;B43K19/10;C09D13/00 主分类号 B43K19/04
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