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    • 7. 发明授权
    • Thermal dye transfer assemblage with low Tg polymeric receiver mixture
    • 具有低Tg聚合物接收混合物的热染料转移组合
    • US5945376A
    • 1999-08-31
    • US98996
    • 1998-06-17
    • Elizabeth G. BurnsKristine B. LawrenceJohn DiCilloRicky G. FrazierDaniel J. HarrisonShandralynn Joiner
    • Elizabeth G. BurnsKristine B. LawrenceJohn DiCilloRicky G. FrazierDaniel J. HarrisonShandralynn Joiner
    • B41M5/00B41M5/382B41M5/385B41M5/39B41M5/395B41M5/52B41M5/035B41M5/38
    • B41M5/38235B41M5/385B41M5/52B41M5/3854B41M5/39B41M5/5227B41M5/5254B41M5/5272Y10S428/913Y10S428/914Y10T428/31786Y10T428/31855
    • A thermal dye transfer assemblage comprising:(I) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system, and(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer comprising a mixture ofa) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; andb) an acidic material containing at least 0.0007 meq/m.sup.2 of acid; the a) and/or b) having incorporated therein a plasticizer containing:(i) at least the following groups in the order given:E--Q--X--A wherein Q is a carbonyl or sulfonyl;X is N or O;E is an aromatic ring; andA is an alkyl or oxyalky group having up to 5 consecutive carbon atoms; or(ii) a phosphate group having at least one aromatic ring attached thereto;said plasticizer being present in an amount of up to about 25 weight percent of the polymer.
    • 一种热染料转移组合物,其包含:(I)染料供体元件,其包含其上具有染料层的载体,所述染料层包含分散在聚合物粘合剂中的染料,所述染料是去质子化的阳离子染料,其能够被再赋色为阳离子染料, 作为共轭系统的一部分的NH基,和(II)染料接收元件,其包含其上具有聚合染料影像接收层的载体,染料接收元件与染料供体元件重叠关系,因此 染料层与聚合染料影像接收层接触,聚合染料影像接收层包含a)Tg小于约19℃并且没有或仅有轻微酸度的聚合物的混合物; 和b)含有至少0.0007meq / m 2酸的酸性物质; a)和/或b)其中掺入增塑剂,其含有:(i)至少以下给出的顺序:E-Q-X-A其中Q是羰基或磺酰基; X为N或O; E是芳香环; 并且A是具有至多5个连续碳原子的烷基或氧代基; 或(ii)具有至少一个连接到其上的芳环的磷酸酯基; 所述增塑剂以聚合物的至多约25重量%的量存在。