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    • 75. 发明授权
    • Zwitterionic polyetherpolyamines and process for their production
    • 两性离子聚醚多胺及其生产方法
    • US06703523B1
    • 2004-03-09
    • US10030080
    • 2002-01-11
    • Dieter BoeckhOliver BorzykMichael EhleRalf NörenbergEugene P. GosselinkJeffrey S. DuPontRobert H. RohrbaughKenneth N. PriceRandall S. Deinhammer
    • Dieter BoeckhOliver BorzykMichael EhleRalf NörenbergEugene P. GosselinkJeffrey S. DuPontRobert H. RohrbaughKenneth N. PriceRandall S. Deinhammer
    • C08G65325
    • C08G65/2624C08G65/329C08G65/334C08G2650/34
    • A zwitterionic polyetherpolyamine comprising a linear or branched polyetherpolyamine backbone having 2 to 10 tertiary amino nitrogen atoms and a molecular weight of from 100 to 800, at least one tertiary amine end group of the polyetherpolyamine backbone contains two groups having the formula wherein A means an ethylene oxide unit, a propylene oxide unit, a unit of butylene oxides and a tetrahydrofuran unit, n is a number of from 1 to 50, X is an anionic group, with the proviso that in formula II one X may also be hydrogen and M is hydrogen, alkali metal or ammonium, or contains one group of formula I or II and one group selected from radicals consisting of C1- to C22-alkyl and C7- to c22-aralkyl, the meaning of A and n is the same as in formula I or II, said zwitterionic polyetherpolyamine having a molecular weight up to 9,000 and optionally containing up to 100% of the nitrogen atoms quaternized, and a process for the production of zwitterionic polyetherpolyamines by alkoxylating the said polyetherpolyamine backbone, sulfating the alkoxylated polyetherpolyamine and optionally quaternizing the alkoxylated polyetherpolyamine before or after sulfation. The products obtained are used as additives in detergents.
    • 包含具有2-10个叔氨基氮原子和分子量为100-800的直链或支链聚醚聚胺主链的两性离子聚醚多胺,聚醚聚胺主链的至少一个叔胺端基含有两个具有酉烯基的基团A是指环氧乙烷单元 ,环氧丙烷单元,环氧丁烷单元和四氢呋喃单元,n为1至50的数,X为阴离子基团,条件是在式II中,一个X也可以是氢,M是氢,碱 金属或铵,或含有一组式I或II和一组选自C 1〜C 22 - 烷基和C 7〜C 22 - 芳烷基的基团,A和n的含义与式I或II相同, 所述两性离子聚醚多胺的分子量高达9,000,并且任选地含有多至100%的季铵化氮原子,以及通过将所述p的烷氧基化来生产两性离子聚醚多胺的方法 醚多胺主链,硫酸化烷氧基化聚醚多胺和任选地在硫酸化之前或之后季铵化烷氧基化聚醚多胺。 获得的产品用作洗涤剂中的添加剂。