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    • 20. 发明授权
    • Desensitizing ink for pressure sensitive copying sheets
    • 用于压敏复印纸的脱敏油墨
    • US4431450A
    • 1984-02-14
    • US348309
    • 1982-02-12
    • Akira HasegawaMamoru Suzuki
    • Akira HasegawaMamoru Suzuki
    • B41M5/128C09D11/00
    • B41M5/128
    • A desensitizing ink for pressure sensitive copying sheets using at least a desensitizing agent, pigment and binder, wherein said desensitizing agent comprises at least propylene oxide addition compound selected from compounds of the following formulas: ##STR1## wherein a, b and c represent identical or different integers greater than 1; R is an alkyl group, an alkenyl group, an aryl group, substituted alkyl group, substituted alkenyl group or substituted aryl group; and n is an integer greater than 1. The desensitizing inks of the present invention exhibit sufficient desensitizing effect, excellent yellowing resistance and excellent printability, particularly in wet offset printing.
    • 一种使用至少脱敏剂,颜料和粘合剂的压敏复印片的脱敏油墨,其中所述脱敏剂至少包含选自下式化合物的环氧丙烷加成化合物:(1)图像(2) 其中a,b和c表示大于1的相同或不同的整数; R是烷基,烯基,芳基,取代的烷基,取代的烯基或取代的芳基; 且n为大于1的整数。本发明的脱敏油墨,特别是在湿胶版印刷中,具有足够的脱敏效果,优异的耐黄变性和优异的印刷性。