PROCEDURE FOR THE PREPARATION OF PURIFIED CATIONIC GUAR
    31.
    发明申请
    PROCEDURE FOR THE PREPARATION OF PURIFIED CATIONIC GUAR 有权
    制备清洁剂的方法

    公开(公告)号:US20100036114A1

    公开(公告)日:2010-02-11

    申请号:US12515528

    申请日:2007-04-17

    IPC分类号: C08B37/00

    CPC分类号: C08B37/0096 C11D3/227

    摘要: Procedure for the preparation of cationic guar having DS comprised between 0.01 and 3, free from boron and suitable for the use in the cosmetic field and in household cleaning products, comprising the following steps: a) 100 parts by weight of guar flour are reacted with 3-chloro-2-hydroxypropyl trimethylammonium chloride and sodium hydroxide in from 5 to 500 parts by weight of a water and alcohol mixture containing from 20 to 50% by weight of water; b) the amount of water and alcohol is regulated in order to obtain a dispersion containing from 65 to 95% by weight of a of water and alcohol mixture containing from 30 to 50% by weight of water and the dispersion is maintained under stirring at temperature comprised between 15 and 40° C. for at least 10 minutes; c) the mixture is filtered under vacuum and dried to obtain the purified cationic guar.

    摘要翻译: 制备DS含量为0.01至3,不含硼并适用于化妆品领域和家用清洁产品的DS的阳离子瓜尔胶的方法,包括以下步骤:a)将100重量份瓜耳粉与 5-氯-2-羟基丙基三甲基氯化铵和氢氧化钠,其含量为5至500重量份含有20至50重量%水的水和醇混合物; b)调节水和醇的量以获得含有65至95重量%的含有30至50重量%水的水和醇混合物的分散体,并将分散体在温度下保持搅拌 在15至40℃之间至少10分钟; c)将混合物在真空下过滤并干燥,得到纯化的阳离子瓜尔胶。

    Self-Breakable Yield Point Enhancer for Oil Based Drilling Mud
    33.
    发明申请
    Self-Breakable Yield Point Enhancer for Oil Based Drilling Mud 有权
    用于油基钻井泥浆的自断裂屈服点增强器

    公开(公告)号:US20080318810A1

    公开(公告)日:2008-12-25

    申请号:US11572337

    申请日:2004-07-20

    IPC分类号: C09K8/22

    CPC分类号: C09K8/36 C08G69/44

    摘要: The present invention relates to a liquid, self-breakable, temporary viscosifier agent (yield point enhancer) for oil based drilling muds, obtained by reacting one or more dicarboxylic fatty acids with a secondary dialkanolamine and thereafter with a tertiary tialkanolamine, and to oil based drilling muds containing it.

    摘要翻译: 本发明涉及通过使一种或多种二羧酸脂肪酸与二次二链烷醇胺反应,然后与三级烷醇胺反应获得的油基钻井泥浆的液体,自破性临时增稠剂(屈服点增强剂)和油基 钻泥包含它。