ISOTACTIC POLYSTYRENE HAVING REACTIVE GROUPS
    1.
    发明申请
    ISOTACTIC POLYSTYRENE HAVING REACTIVE GROUPS 审中-公开
    具有反应性组的异辛烯聚合物

    公开(公告)号:US20100152387A1

    公开(公告)日:2010-06-17

    申请号:US12601147

    申请日:2008-05-07

    摘要: The present invention relates to a process for preparing functionalized isotactic polystyrene, functionalized isotactic polystyrene which can be prepared by the process of the invention, the use of the functionalized isotactic polystyrene of the invention as macromonomer, a process for preparing a macroinitiator, a macroinitiator which can be prepared by the abovementioned process, the use of the macroinitiator for controlled free-radical polymerization, the use of the functionalized isotactic polystyrene of the invention as macromonomer, preferably in copolymerization with olefins, ROMP with cycloolefins or for coupling with silicone segments, a process for epoxidizing the functionalized isotactic polystyrene of the invention, epoxidized isotactic polystyrene which can be prepared by the abovementioned process and a process for preparing soft thermoplastic elastomers (TPEs) by metathesis polymerization of the functionalized isotactic polystyrene of the invention with suitable polymers which have terminal double bonds and soft thermoplastic elastomers which can be prepared by the process of the invention.

    摘要翻译: 本发明涉及一种制备官能化全同立构聚苯乙烯的方法,其可通过本发明方法制备的官能化全同立构聚苯乙烯,本发明的官能化全同立构聚苯乙烯作为大分子单体的用途,大分子引发剂的制备方法,大分子引发剂 可以通过上述方法制备,使用大分子引发剂进行受控的自由基聚合,使用本发明的官能化全同立构聚苯乙烯作为大分子单体,优选与烯烃共聚,ROMP与环烯烃或与硅氧烷链段偶联, 环氧化本发明的官能化全同立构聚苯乙烯的方法,可通过上述方法制备的环氧化全同立构聚苯乙烯和通过本发明的官能化全同立构聚苯乙烯与合适聚合物的复分解聚合制备软热塑性弹性体(TPE)的方法 其具有末端双键和可通过本发明的方法制备的软质热塑性弹性体。

    CATALYST SYSTEM FOR POLYMERIZATION OF OLEFINIC MONOMERS, PROCESS FOR PREPARING POLYMERS, AND POLYMERS PREPARED BY THE PROCESS
    2.
    发明申请
    CATALYST SYSTEM FOR POLYMERIZATION OF OLEFINIC MONOMERS, PROCESS FOR PREPARING POLYMERS, AND POLYMERS PREPARED BY THE PROCESS 失效
    烯烃单体聚合催化剂体系,制备聚合物的方法和工艺制备的聚合物

    公开(公告)号:US20100190931A1

    公开(公告)日:2010-07-29

    申请号:US12452713

    申请日:2008-07-22

    摘要: The present invention relates to new catalyst supports comprising nanofibers, a catalyst system comprising these supports as well as a process for preparing nanocomposites and the nanocomposites prepared. The invention especially concerns a supported catalyst system for polymerization of olefins, comprising a support made of fibers or a fleece of fibers, wherein the mean fiber diameter is less than 1000 nm, preferably less than 500 nm and the mean fiber length is more than 200,000 nm, preferably more than 500,000 nm and especially preferred more than 1,000,000 nm as well as a process for polymerizing olefinic systems in the presence of these catalyst systems and the resulting nanocomposites.

    摘要翻译: 本发明涉及包含纳米纤维的新催化剂载体,包含这些载体的催化剂体系以及制备纳米复合材料的方法和制备的纳米复合材料。 本发明特别涉及用于烯烃聚合的负载型催化剂体系,其包括由纤维制成的载体或纤维的绒毛,其中平均纤维直径小于1000nm,优选小于500nm,平均纤维长度大于20万 nm,优选大于500,000nm,特别优选大于1,000,000nm,以及在这些催化剂体系存在下聚合烯属体系的方法和所得的纳米复合材料。

    Organophilic phyllosilicates
    3.
    发明授权
    Organophilic phyllosilicates 失效
    亲缘页硅酸盐

    公开(公告)号:US06197849B1

    公开(公告)日:2001-03-06

    申请号:US09248649

    申请日:1999-02-11

    IPC分类号: C08K900

    CPC分类号: C08K9/04 C08L63/00

    摘要: Organophilic phyllosilicates which have been prepared by treating a naturally occurring or synthetic phyllosilicate, or a mixture of such silicates, with a salt of a quaternary or other cyclic amidine compound, or with a mixture of such salts; polymeric systems, in particular thermoplastic polymers and thermosetting polymer systems, preferably epoxy resins, polyurethanes and rubbers, which comprise novel organophilic phyllosilicates, and also shapable moulding materials and finished mouldings in the form of composite materials, in particular in the form of nanocomposites.

    摘要翻译: 通过将天然存在的或合成的页硅酸盐或这种硅酸盐的混合物与季铵盐或其它环状脒化合物的盐或这些盐的混合物进行处理而制备的亲有性页硅酸盐; 聚合物系统,特别是热塑性聚合物和热固性聚合物体系,优选环氧树脂,聚氨酯和橡胶,其包含新型有机层状硅酸盐,以及成型模塑材料和复合材料形式的成型模制品,特别是纳米复合材料形式。

    Dental coating materials
    4.
    发明授权
    Dental coating materials 有权
    牙科涂料

    公开(公告)号:US07495037B2

    公开(公告)日:2009-02-24

    申请号:US10928540

    申请日:2004-08-27

    摘要: Polymerizable materials which contain (1) 1 to 80 wt.-% of at least one polysiloxane, (2) 0.1 to 5 wt.-% of one or more initiators for radical polymerization, (3) 0 to 60 wt.-% of radically polymerizable monomer and (4) 1 to 50 wt.-% of one or more radically polymerizable monomers which carry at least phosphonic acid group, sulphonic acid group and/or mono- or dihydrogen phosphoric acid ester group, the polysiloxane (1), the monomer (3) or both being substituted by fluorine. The materials are suitable in particular for the coating of natural or artificial teeth.

    摘要翻译: 含有(1)1至80重量%的至少一种聚硅氧烷的可聚合材料,(2)0.1至5重量%的一种或多种用于自由基聚合的引发剂,(3)0至60重量% 可自由基聚合的单体和(4)1至50重量%的至少携带膦酸基,磺酸基和/或单或二氢磷酸酯基的一种或多种可自由基聚合的单体,聚硅氧烷(1), 单体(3)或两者均被氟取代。 这些材料特别适用于天然或人造牙齿的涂层。

    Process for preparing polyether polyols
    7.
    发明授权
    Process for preparing polyether polyols 失效
    制备聚醚多元醇的方法

    公开(公告)号:US06469218B1

    公开(公告)日:2002-10-22

    申请号:US10136208

    申请日:2002-05-01

    IPC分类号: C07C4311

    CPC分类号: C08G65/105 C08G65/2675

    摘要: The invention is directed to a process for preparing a polyether polyol by the polyaddition of an alkylene oxide on to a starter compound containing active hydrogen atoms under basic catalysis in the presence of phosphonium cations.

    摘要翻译: 本发明涉及通过在碱性催化下在鏻阳离子存在下将烯化氧加成到含活性氢原子的起始化合物上制备聚醚多元醇的方法。

    Polymer-graphite nanocomposites
    9.
    发明授权
    Polymer-graphite nanocomposites 有权
    聚合物 - 石墨纳米复合材料

    公开(公告)号:US09120909B2

    公开(公告)日:2015-09-01

    申请号:US13496806

    申请日:2010-09-13

    摘要: Process for producing a polymer-graphite nanocomposite, which comprises the steps a) oxidation of graphite to graphite oxide, b) conversion of the graphite oxide into an aqueous dispersion, c) mixing of the aqueous dispersion comprising graphite oxide or, if appropriate, reduced graphite oxide which is obtained from b) with an aqueous polymer dispersion comprising at least one polymer and d) separating off the polymer-graphite mixture from the aqueous phase, wherein the graphite oxide which has been oxidized in step a) is reduced to graphite between step b) and c) or between step c) and d).

    摘要翻译: 制备聚合物 - 石墨纳米复合材料的方法,其包括以下步骤:a)将石墨氧化成氧化石墨,b)将石墨氧化物转化为水分散体,c)将包含氧化石墨的水性分散体,或如果合适的话, 由b)得到的石墨氧化物与包含至少一种聚合物的聚合物水分散体分散体,和d)从水相中分离出聚合物 - 石墨混合物,其中在步骤a)中被氧化的氧化石墨被还原成石墨在 步骤b)和c)或步骤c)和d)之间。