AQUEOUS DISPERSION OF OPTICAL BLEACHING AGENT,申请号RU20070125638-传众专利搜索

AQUEOUS DISPERSION OF OPTICAL BLEACHING AGENT

申请公布号：RU2399646(C2)

申请号：RU20070125638

申请日期：2005.12.07

申请公布日期：2010.09.20

申请人：

KLARIANT FAJNENS (BVI) LIMITED

发明人：FARRAR DZHON MARTIN

分类号：C09K11/06;D06L3/12;D21H21/30

主分类号：C09K11/06

摘要：FIELD: chemistry. ^ SUBSTANCE: invention describes an aqueous dispersion of an optical bleaching agent which is stable during storage, does not contain dispersants and stabilisers and contains 20-40% active substance in form of one or more optical bleaching agents obtained through successive reaction of cyanuric chloride with 4,4'-diamino-2,2'- stilbene sulphonic acid, amine and a product of reacting monoethanol amine with acrylamide. ^ EFFECT: disclosed dispersion of optical bleaching agent does not require dispersants or other stabilising additives to prevent settling during storage and has excellent properties for bleaching paper and other cellulose materials. ^ 8 cl, 2 tbl, 4 ex