Trimethylolpropane core, phosphonic acid terminated dendrimer and its preparation method
    7.
    发明申请
    Trimethylolpropane core, phosphonic acid terminated dendrimer and its preparation method 有权
    三羟甲基丙烷核,膦酸封端树枝状大分子及其制备方法

    公开(公告)号:US20140332470A1

    公开(公告)日:2014-11-13

    申请号:US14022145

    申请日:2013-09-09

    申请人: Tongji University

    IPC分类号: C02F5/08 C07F9/38

    摘要: A trimethylolpropane core, phosphonic acid terminated dendrimer and its preparation method are provided, And a preparation method thereof comprises steps of processing Michael addition reaction on trimethylolpropane triacrylate (CH3CH2C(CH2OCOCH2═CH2)3) and alkylidene diamine (NH2CH2(CH2)nNH2), wherein n is an integer from 1 to 5, so as to obtain trimethylolpropane core, amino group terminated dendrimer, and modifying the amino group by methylene phosphonic acid to obtain the trimethylolpropane core, phosphonic acid terminated dendrimer having a chemical formula of CH3CH2C[CH2OCOCH2CH2N(CH2PO3H2)CH2(CH2)nN(CH2PO3H2)2]3, wherein n is an integer from 1 to 5. The trimethylolpropane core, phosphonic acid terminated dendrimer has high calcium tolerance, and excellent inhibiting efficiency of calcium carbonate, calcium sulfate and barium sulfate, which is applied in inhibiting the formation and deposition in industrial water systems of circulating cooling water, oilfield flooding and reverse osmosis, and particularly suitable for water treatment with high calcium tolerance.

    摘要翻译: 提供三羟甲基丙烷核,膦酸封端的树枝状聚合物及其制备方法,其制备方法包括在三羟甲基丙烷三丙烯酸酯(CH 3 CH 2 C(CH 2 OCOCH 2 = CH 2)3)和亚烷基二胺(NH 2 CH 2(CH 2)n NH 2)上加工迈克尔加成反应的步骤, 其中n为1至5的整数,以获得三羟甲基丙烷核心,氨基封端的树枝状大分子,并用亚甲基膦酸改性氨基,得到三羟甲基丙烷核心,具有化学式为CH 3 CH 2 C [CH 2 OCOCH 2 CH 2 N( CH2PO3H2)CH2(CH2)nN(CH2PO3H2)2] 3,其中n为1至5的整数。三羟甲基丙烷核,膦酸封端的树枝状聚合物具有高钙耐受性,并且具有优异的碳酸钙,硫酸钙和硫酸钡的抑制效率 ,适用于抑制循环冷却水,油田淹水和回灌工业用水系统的形成和沉积 渗透,特别适用于具有高钙耐受性的水处理。

    Dialkyl alkyl and cyclic phosphoramidomethyl phosphonates
    8.
    发明授权
    Dialkyl alkyl and cyclic phosphoramidomethyl phosphonates 失效
    烷基烷基和环磷酰胺甲基膦酸酯

    公开(公告)号:US4018560A

    公开(公告)日:1977-04-19

    申请号:US618720

    申请日:1975-10-01

    IPC分类号: C07F9/40 D06M13/447 D06M13/34

    摘要: New compounds are disclosed of the formula: ##STR1## wherein R' is phenyl, lower alkenyl and halogen substituted and unsubstituted lower alkyl of 1-6 carbon atoms, m is an integer from 1-2 wherein when m is 2, R is alkoxy of 1-8 carbon atoms and when m is 1, R is alkylene dioxy of 2-8 carbon atoms. The compounds of this invention are useful as flame retardant agents for textile materials and in the production of polymers and copolymers which possess flame retardant properties.

    摘要翻译: 新化合物公开了下式:其中R'是苯基,低级烯基和卤素取代和未取代的1-6个碳原子的低级烷基,m是1-2的整数,其中当m是2时,R是烷氧基 的1-8个碳原子,当m为1时,R为2-8个碳原子的亚烷基二氧基。 本发明的化合物可用作纺织材料的阻燃剂和用于生产具有阻燃性能的聚合物和共聚物。