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    • 7. 发明授权
    • Method for production of aqueous dispersion of N-substituted
N',N'-alkylene urea
    • 制备N-取代的N',N'-亚烷基脲的水分散体的方法
    • US4696760A
    • 1987-09-29
    • US678247
    • 1984-12-05
    • Yutaka MorimotoMinoru SaotomeAtsushi Komai
    • Yutaka MorimotoMinoru SaotomeAtsushi Komai
    • C07D203/20D06M13/487C09K3/00B01J13/00C07D203/12
    • D06M13/487C07D203/20
    • A method for the production of an aqueous dispersion of a water insoluble N-substituted N',N'-alkylene urea having the general formula I: ##STR1## wherein R.sup.1 denotes alkyl having 6 to 20 carbon atoms, phenyl or ##STR2## in case of m=1, or R.sup.1 denotes alkylene having 6 to 20 carbon atoms, phenylene or ##STR3## in case of m=2, where X denotes H, CH.sub.3 or OCH.sub.3 and n is 0 or 1, R.sup.2 denotes H or CH.sub.3, R.sup.3 denotes H, CH.sub.3 or C.sub.2 H.sub.5 and R.sup.4 denotes H or CH.sub.3, by the reaction of an alkylene imine having 2 to 4 carbon atoms with an isocyanate represented by the general formula II:R-NCO (II)wherein R denotes an alkyl having 6 to 20 carbon atoms, ##STR4## wherein X and n are the same as above in the presence of at least one surface active agent selected from the group consisting of anionic surface active agents and nonionic surface active agents under vigorous stirring.
    • 制备具有通式I的水不溶性N-取代N',N'-亚烷基脲的水分散体的方法:其中R1表示具有6至20个碳原子的烷基,苯基或 在m = 1的情况下,或R 1表示具有6〜20个碳原子的亚烷基,在m = 2的情况下为亚苯基或者IMA图,其中X表示H,CH 3或OCH 3,n为0或1,R 2表示H 或CH3,R3表示H,CH3或C2H5,R4表示H或CH3,通过具有2至4个碳原子的亚烷基亚胺与由通式II表示的异氰酸酯反应:R-NCO(II)其中R表示 在有剧烈搅拌下,在至少一种选自阴离子表面活性剂和非离子表面活性剂的表面活性剂的存在下,X和n与上述相同。