PROCEDURE FOR THE PREPARATION OF GLYOXALATED CATIONIC GUAR
    4.
    发明申请
    PROCEDURE FOR THE PREPARATION OF GLYOXALATED CATIONIC GUAR 审中-公开
    制备GLYOXALATED阳离子防腐剂的程序

    公开(公告)号:WO2008058768A1

    公开(公告)日:2008-05-22

    申请号:PCT/EP2007/053709

    申请日:2007-04-17

    Abstract: Procedure for the preparation of cationic guar having DS comprised between 0.01 and 3, soluble at basic pH 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 of a water and alcohol mixture containing from 20 to 50% by weight of water; b) the mixture is acidified to a pH between 4 and 6; c) from 2.2 to 3 parts by weight of glyoxal are added, and the reaction is stirred for approximately 30 minutes; d) from 300 to 1200 parts by weight of ambient temperature water are added and mixed for 10 to 90 minutes; e) the mixture is filtered under vacuum and the product dried to obtain glyoxalated purified cationic guar.

    Abstract translation: 制备DS为0.01至3的阳离子瓜尔胶的程序,在碱性pH下可溶,适于在化妆品领域和家用清洁产品中使用,包括以下步骤:a)将100重量份瓜耳粉与 5-氯-2-羟丙基三甲基氯化铵和氢氧化钠,其含量为5至500份含有20至50重量%水的水和醇混合物; b)将混合物酸化至4至6之间的pH; c)2.2〜3重量份乙二醛加入,将反应物搅拌约30分钟; d)从300至1200重量份的环境温度加入水并混合10至90分钟; e)将混合物在真空下过滤,产物干燥,得到乙醛酸化的纯化阳离子瓜尔胶。

    PAINT REMOVERS CONTAINING HYDROXYPROPYL GUAR
    5.
    发明申请
    PAINT REMOVERS CONTAINING HYDROXYPROPYL GUAR 审中-公开
    含有羟丙基保护膜的除油剂

    公开(公告)号:WO2007115962A1

    公开(公告)日:2007-10-18

    申请号:PCT/EP2007/053144

    申请日:2007-04-02

    CPC classification number: C09D9/005 C08L2666/26

    Abstract: Disclosed is a paint remover composition having Brookfield viscosity from 800 to 30,000 mPa*s comprising: a) from 0.5 to 10 by weight of hydroxypropyl guar having molar substitution comprised between 2.0 and 4 and Brookfield viscosity at 2% in water comprised between 5,000 and 30,000 mPa*s; b) from 80 to 99.5% by weight of a solvent or a mixture of solvents selected from the group consisting of chlorinated aliphatic hydrocarbons, aromatic hydrocarbons, limonene, cyclic or alicyclic aliphatic ketones, cyclic or alicyclic aliphatic ethers, N-methyl pyrrolidone, dibasic carboxylic acid esters, water miscible mono-hydroxylated alcohols, water, wherein the amount of water is comprised between 0 and 60% by weight.

    Abstract translation: 公开了具有800至30,000mPa * s的布鲁克菲尔德粘度的涂料去除剂组合物,其包含:a)0.5至10重量%的摩尔取代度为2.0至4的羟丙基瓜尔胶,水中的2%的Brookfield粘度为5,000至30,000 毫帕·秒; b)80至99.5重量%的溶剂或选自氯代脂族烃,芳族烃,柠檬烯,环状或脂环族脂族酮的溶剂或溶剂混合物,环状或脂环族脂族醚,N-甲基吡咯烷酮,二价 羧酸酯,水混溶性单羟基化醇,水,其中水的含量为0至60重量%。

    PROCEDURE FOR THE PREPARATION OF PURIFIED CATIONIC GUAR
    7.
    发明申请
    PROCEDURE FOR THE PREPARATION OF PURIFIED CATIONIC GUAR 审中-公开
    制备清洁剂的方法

    公开(公告)号:WO2008058769A1

    公开(公告)日:2008-05-22

    申请号:PCT/EP2007/053710

    申请日:2007-04-17

    CPC classification number: C08B37/0096 C11D3/227

    Abstract: 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.

    Abstract translation: 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。

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