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71. 发明授权

US5474689A Waterless self-emulsifiable chemical softening composition useful in fibrous cellulosic materials 失效
标题翻译：用于纤维状纤维素材料的无水自乳化化学软化组合物
公开(公告)号：US5474689A
公开(公告)日：1995-12-12
申请号：US333893
申请日：1994-11-02
申请人： Robert G. Laughlin , Dean Van Phan , Paul D. Trokhan
发明人： Robert G. Laughlin , Dean Van Phan , Paul D. Trokhan
IPC分类号： C11D1/62 , C11D3/00 , C11D3/20 , C11D3/37 , D06M13/148 , D06M13/17 , D06M13/463 , D06M15/53 , D21H17/06 , D21H17/07 , D21H17/53 , D21H21/24 , D21H21/54 , D21H21/22
CPC分类号： C11D3/3707 , C11D1/62 , C11D3/0015 , C11D3/2065 , D06M13/148 , D06M13/17 , D06M13/463 , D06M15/53 , D21H17/06 , D21H17/07 , D21H17/53 , D21H21/24 , D21H21/54
摘要： Substantially waterless self-emulsifiable chemical softening compositions are provided comprising a mixture of a quaternary ammonium compound and a polyhydroxy compound. Preferred quaternary ammonium compounds include dialkyl dimethyl ammonium salts such as di(hydrogenated)tallow dimethyl ammonium chloride, di(hydrogenated)tallow dimethyl ammonium methyl sulfate. Preferred polyhydroxy compounds are selected from the group consisting of glycerol, polyglycerols having a weight average molecular weight of from about 150 to about 800 and polyoxyethylene glycols and polyoxypropylene glycols having a weight average molecular weight from about 200 to 4000. The substantially waterless self-emulsifiable chemical softening compositions are prepared by mixing the quaternary ammonium compound with the polyhydroxy compound at a specific temperature range wherein the polyhydroxy compound is miscible with the quaternary ammonium compound. The resulting stable solid or concentrated fluid mixture can then be economically shipped to the consumer or ultimate user. The ultimate users of the chemical softening composition simply dilute the mixture with a liquid carder (e.g., water) to form an aqueous dispersion suitable for treating fibrous cellulosic materials. The substantially waterless self-emulsifiable chemical softening compositions disclosed herein are primarily intended for softening disposable paper products such as tissues and towels.
摘要翻译：提供基本上无水的可自乳化的化学软化组合物，其包含季铵化合物和多羟基化合物的混合物。优选的季铵化合物包括二烷基二甲基铵盐如二（氢化）牛脂二甲基氯化铵，二（氢化）牛脂二甲基铵甲基硫酸盐。优选的多羟基化合物选自甘油，重均分子量为约150至约800的聚甘油和重均分子量为约200至4000的聚氧乙烯二醇和聚氧丙烯二醇。基本上无水的可自乳化的通过在多羟基化合物与季铵化合物混溶的特定温度范围下混合季铵化合物与多羟基化合物来制备化学软化组合物。所得稳定的固体或浓缩流体混合物然后可以经济地运送到消费者或最终用户。化学软化组合物的最终使用者用液体梳理器（例如水）简单地稀释混合物以形成适于处理纤维状纤维素材料的水分散体。本文公开的基本上无水的可自乳化的化学软化组合物主要用于软化诸如纸巾和毛巾的一次性纸制品。

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