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    • 7. 发明授权
    • Fabric softening
    • 织物柔软
    • US5516438A
    • 1996-05-14
    • US413575
    • 1995-03-30
    • Graham A. Turner
    • Graham A. Turner
    • C07C229/24C11D1/62C11D3/00D06M13/46
    • C07C229/24C11D1/62C11D3/001
    • A method of preparing a fabric softening material which comprises a quaternary ammonium material and at least one C.sub.8-28 alkyl or alkenyl group connected to the molecule via an ester linkage. The process comprises the step of reacting a base material with an alkyl or alkenyl group continuing material, such that at least one alkyl or alkenyl group is connected to the base material via an ester linkage. The reaction between the base material and the alkyl or alkenyl group containing material is carried out in the presence of more than 10 mole percentage excess of the alkyl or alkenyl group containing material to the base material. The excess material being effective to lower the pour point of the softener material.
    • 一种制备织物软化材料的方法,其包括季铵材料和经由酯键与分子连接的至少一个C 8-28烷基或链烯基。 该方法包括使基材与烷基或链烯基连续材料反应的步骤,使得至少一个烷基或烯基经由酯键与基材连接。 基材和含烷基或链烯基的材料之间的反应在超过10摩尔百分数的含烷基或烯基的材料存在下进行到基材。 多余的材料有效降低软化剂材料的倾点。