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1. 发明授权

US6136087A Crystal growth inhibitor 失效
标题翻译：晶体生长抑制剂
公开(公告)号：US6136087A
公开(公告)日：2000-10-24
申请号：US185931
申请日：1998-11-04
申请人： Sain D. Kapoor
发明人： Sain D. Kapoor
IPC分类号： C09B67/22 , C09D17/00 , C09C29/00
CPC分类号： C09B67/0046
摘要： A crystal growth inhibitor for azo pigments is disclosed. The crystal growth inhibitor comprises: (1) one or more sulfonated or carboxylated amines, and (2) one or more coupling components selected from the group consisting of acetoacetanilides, naphthanilides, pyrazalones and benzamidazoles; the coupling component being bonded to the sulfonated or carboxylated amines. The crystal growth inhibitor can be produced separately and added to the coupling component prior to the coupling reaction, or it can be formed in situ with the pigment. Preferably, an improved pigment according to the invention includes 2% to 5% by weight of the crystal growth inhibitor. Monoazo pigments including the crystal growth inhibitor have been shown to have greatly improved gloss, transparency and tinctorial strength.
摘要翻译：公开了一种用于偶氮颜料的晶体生长抑制剂。晶体生长抑制剂包括：（1）一种或多种磺化或羧化的胺，和（2）一种或多种选自乙酰乙酰替苯胺，萘甲酰苯胺，吡唑啉酮和苯并咪唑的偶联组分; 偶联组分键合到磺化或羧化的胺上。结晶生长抑制剂可以单独制备，并在偶联反应之前加入到偶联组分中，或者可以与颜料原位形成。优选地，根据本发明的改进颜料包括2重量％至5重量％的晶体生长抑制剂。包括晶体生长抑制剂的单偶氮颜料已被证明具有极大改善的光泽度，透明度和着色强度。

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