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    • 1. 发明申请
    • OPTICAL BRIGHTENERS FOR INKJETRINTING SUBSTRATES
    • 用于印刷基材的光学增亮剂
    • WO2005105469A1
    • 2005-11-10
    • PCT/EP2005/051827
    • 2005-04-25
    • CIBA SPECIALTY CHEMICALS HOLDING INC.ROHRINGER, PeterHOCHBERG, RobertBECHERER, OliverBIRY, Stéphane
    • ROHRINGER, PeterHOCHBERG, RobertBECHERER, OliverBIRY, Stéphane
    • B41M5/00
    • B41M5/52B41M5/5218B41M5/5227B41M5/5236B41M5/5245B41M5/5254
    • The invention relates to a composition for optical brightening of substrates suitable for ink jet printing, comprising a) a fluorescent whitening agent of the formula (1) : wherein X1, X 2 , X 3 and X 4 each, independent of the other, represent -NR 1 R 2 or -OR 3 , wherein R, and R 2 are, independently of each other, hydrogen, cyano, a C,-C4alkyl group, which is unsubstituted or substituted by one or two of the following residues selected from the group consisting of C,-C 4 alkoxy, hydroxy, carboxyl or a salt thereof (-C02M), cyano, carbonamido, thiol, guanidine, substituted or unsubstituted phenyl, unsubstituted or C,-C 4 alkyl-substituted C 5 ­C8cycloalkyl, halogen, a heterocycle and a sulphonic acid residue, and wherein the carbon chain of an alkyl group having two, three or four carbon atoms can be interrupted by oxygen, or, alternatively, a C5-C7cydoalkyl group or R, and R 2 , together with the nitrogen atom linking them, complete a 5- or 6-membered heterocyclic ring; R 3 represents C,-C 4 alkyl and M represents H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl and/or C 2 -C 4 hydroxyalkyl or mixtures of fluorescent whitening agents of formula (1); b) a cationic polymer; c) water and, optionally, d)at least one pigment and/or at least one further auxiliary, methods of use of the composition and substrates that have been treated therewith.
    • 本发明涉及适用于喷墨印刷的基材的光学增白组合物,其包含a)式(1)的荧光增白剂:其中X1,X2,X3和X4各自独立地表示-NR1R2 或-OR 3,其中R 1和R 2彼此独立地为氢,氰基,C 1 -C 4烷基,其未被取代或被一个或两个选自C 1 -C 4烷氧基的下列残基所取代 ,羟基,羧基或其盐(-CO 2 M),氰基,碳酰氨基,硫醇,胍,取代或未取代的苯基,未取代的或C 1 -C 4烷基取代的C 5 -C 8环烷基,卤素,杂环和磺酸残基, 具有两个,三个或四个碳原子的烷基的链可以被氧中断,或者可替代地,C5-C7环烷基或R和R2与连接它们的氮原子一起形成5-或6-元 杂环 R 3表示C 1〜C 4烷基,M表示被C 1 -C 4烷基和/或C 2 -C 4羟烷基单 - ,二 - ,三 - 或四取代的H,Na,Li,K,Ca,Mg,铵或铵 式(1)的荧光增白剂; b)阳离子聚合物; c)水和任选地d)至少一种颜料和/或至少一种另外的辅助方法,使用已经用其处理的组合物和底物。