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    • 13. 发明授权
    • Sulfonate-containing polymeric binder in dye-donor element for thermal
dye transfer systems
    • 用于热染料转移系统的染料供体元件中含磺酸盐的聚合物粘合剂
    • US5429906A
    • 1995-07-04
    • US198020
    • 1994-02-17
    • Wayne A. BowmanKaren M. Kosydar
    • Wayne A. BowmanKaren M. Kosydar
    • B41M5/395B41M5/035B41M5/26
    • B41M5/395Y10S428/913Y10S428/914Y10S430/146
    • This invention relates to a dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising an image dye dispersed in a binder, wherein the binder comprises a water-dispersible vinyl copolymer having a glass transition temperature below about 54.degree. C. and having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or methyl;D represents a substituted or unsubstituted phenyl group; or --COOR.sup.3, where R.sup.3 represents a substituted or unsubstituted alkyl group of 1 to about 6 carbon atoms, a substituted or unsubstituted cycloalkyl group of about 5 to about 8 carbon atoms, or an organic group containing ethylenic unsaturation;E represents --C.sub.6 H.sub.4 --; --CONHR.sup.4 --; or --COOR.sup.4 --, where R.sup.4 represents an alkylene group of 1 to about 6 carbon atoms;M represents a mono-charged cation,;x represents 75 to 98 mole percent; andy represents 2 to 25 mole percent.
    • 本发明涉及用于热染料转移的染料供体元件,其包括其上具有分散在粘合剂中的染料层的载体,其中粘合剂包含玻璃化转变温度低于约54℃的水分散性乙烯基共聚物 并具有下式:其中:R 1和R 2各自独立地表示氢或甲基; D表示取代或未取代的苯基; 或-COOR 3,其中R 3表示取代或未取代的1至约6个碳原子的烷基,取代或未取代的约5至约8个碳原子的环烷基,或含有烯属不饱和键的有机基团; E表示-C 6 H 4 - ; -CONHR4-; 或-COOR4-,其中R4表示1至约6个碳原子的亚烷基; M表示单电荷阳离子; x表示75〜98摩尔% y表示2〜25摩尔%。