Nanoparticles
    1.
    发明申请
    Nanoparticles 审中-公开
    纳米颗粒

    公开(公告)号:US20070154709A1

    公开(公告)日:2007-07-05

    申请号:US10587299

    申请日:2004-12-15

    Abstract: The invention relates to polymer-modified nanoparticles which are suitable as UV stabilisers in polymers, characterised in that they are obtainable by a process in which, in a step a), an inverse emulsion comprising one or more water-soluble precursors of the nanoparticles or a melt is prepared with the aid of a random copolymer of at least one monomer containing hydrophobic radicals and at least one monomer containing hydrophilic radicals, and, in a step b), particles are produced, and to the use thereof for UV protection in polymers.

    Abstract translation: 本发明涉及适合作为聚合物中的UV稳定剂的聚合物改性的纳米颗粒,其特征在于它们可通过以下方法获得:在步骤a)中,包含一种或多种纳米颗粒的水溶性前体的反相乳液或 借助于至少一种含有疏水基团的单体和至少一种含有亲水基团的单体的无规共聚物制备熔体,并且在步骤b)中,制备颗粒,并且其用于聚合物中的UV保护 。

    Supported catalyst for olefin polymerization
    2.
    发明授权
    Supported catalyst for olefin polymerization 失效
    用于烯烃聚合的负载催化剂

    公开(公告)号:US07049264B1

    公开(公告)日:2006-05-23

    申请号:US10009831

    申请日:2000-06-07

    Abstract: A supported catalyst for olefin polymerization comprises A) as support material, a copolymer comprising the monomer units I, II and III, where the monomer units I have the formula (I) and the monomer units II have the formula (II),  where the variables have the following meanings: R1 is hydrogen, C1-C4-alkyl or phenyl, R2 is substituted or unsubstituted aryl or branched or unbranched alkyl or alkenyl, A1 is a direct chemical bond or a substituted or unsubstituted phenylene group, R3 are identical or different and are each hydrogen, C1-C10-alkyl or substituted or unsubstituted phenyl, p is an integer from 0 to 8, and R4 to R7 are hydrogen, C1-C10-alkyl or substituted or unsubstituted phenyl, and the monomer units III have polar groups, and B) at least one metallocene complex and C) at least one compound capable of forming metallocenium ions. A process for preparing such supported catalysts, copolymers suitable as support material and a process for the polymerization of olefins in the presence of a catalyst according to the present invention are also provided.

    Abstract translation: 用于烯烃聚合的负载催化剂包括A)作为载体材料,包含单体单元I,II和III的共聚物,其中单体单元I具有式(I)和单体单元II具有式(II),其中 变量具有以下含义:R 1是氢,C 1 -C 4 - 烷基或苯基,R 2 O >是取代或未取代的芳基或支链或非支链烷基或烯基,A 1是直接化学键或取代或未取代的亚苯基,R 3相同或不同, 各自为氢,C 1 -C 10 - 烷基或取代或未取代的苯基,p为0至8的整数,R 4为 R 7是氢,C 1 -C 10 - 烷基或取代或未取代的苯基,并且单体单元III具有极性基团,并且 B)至少一种茂金属络合物和C)至少一种能够形成金属茂离子的化合物。 还提供了制备这种负载催化剂的方法,适合作为载体材料的共聚物和在本发明的催化剂存在下烯烃聚合的方法。

    Tetraaroxyperylene-3,4,9,10-tetracarboxylic polyimides
    5.
    发明授权
    Tetraaroxyperylene-3,4,9,10-tetracarboxylic polyimides 失效
    四环氧基-3,4,9,10-四羧酸聚酰亚胺

    公开(公告)号:US5677417A

    公开(公告)日:1997-10-14

    申请号:US513769

    申请日:1995-08-29

    CPC classification number: C07D493/06 C08G73/1067 C08G73/1082 C09B69/102

    Abstract: Polymeric tetraaroxyperylene-3,4,9,10-tetracarboxylic diimides of the formula I ##STR1## (R.sup.1 : denotes identical or different aryl radicals which may be substituted by cyano, nitro, halogen, C.sub.1 -C.sub.18 -alkoxy, C.sub.5 -C.sub.7 -cycloalkyl and/or C.sub.1 -C.sub.18 -alkyl and may each contain up to 24 carbon atoms; R.sup.2 : denotes C.sub.2 -C.sub.30 -alkylene groups whose carbon chain may be interrupted by from 1 to 10 oxygen atoms in ether function or by a phenylene or cyclohexylene group, or optionally C.sub.1 -C.sub.10 -alkylene- or oxygen-bridged C.sub.6 -C.sub.30 -arylene or cyclohexylene radicals; n: is from 2 to 100), preparation thereof and use thereof and also tetraaroxypery-lene-3,4,9,10-tetracarboxylic dianhydrides as intermediates therefor.

    Abstract translation: PCT No.PCT / EP94 / 01345 Sec。 371日期1995年8月29日 102(e)日期1995年8月29日PCT 1994年4月28日PCT PCT。 公开号WO94 / 25504 PCT 日期:1994年11月10日式I的聚合四环氧基-3,4,9,10-四羧酸二酰亚胺(R 1:表示可以被氰基,硝基,卤素,C 1 -C 18烷基取代的相同或不同的芳基, 烷氧基,C 5 -C 7 - 环烷基和/或C 1 -C 18烷基,并且各自含有至多24个碳原子; R 2表示其碳链可以被醚功能中的1至10个氧原子间隔的C 2 -C 30亚烷基 或通过亚苯基或亚环己基,或任选的C 1 -C 10 - 亚烷基或氧桥连的C 6 -C 30亚芳基或亚环己基; n:为2至100),其制备及其用途以及四亚甲基 - 内烯-3 ,4,9,10-四羧酸二酐作为其中间体。

    Use Of Statistical Copolymers
    9.
    发明申请
    Use Of Statistical Copolymers 审中-公开
    统计共聚物的使用

    公开(公告)号:US20070282075A1

    公开(公告)日:2007-12-06

    申请号:US10587304

    申请日:2004-12-17

    Abstract: The invention relates to the use of statistical copolymers containing at least one structural unit containing hydrophobic radicals and at least one structural unit containing hydrophilic radicals as emulsifiers, in particular in the synthesis of nanoparticles, and to processes for the production of such particles in which, in a step a), an inverse emulsion comprising one or more water-soluble precursors of the nanoparticies or a melt is prepared with the aid of a statistical copolymer of at least one monomer containing hydrophobic radicals and at least one monomer containing hydrophilic radicals, and, in a step b), particles are produced.

    Abstract translation: 本发明涉及使用包含至少一种含有疏水基团的结构单元的统计共聚物和至少一种含有亲水基团的结构单元作为乳化剂,特别是在纳米颗粒的合成中的应用,以及用于制备这样的颗粒的方法, 在步骤a)中,借助于至少一种含有疏水基团的单体和至少一种含有亲水基团的单体的统计共聚物来制备包含纳米颗粒的一种或多种水溶性前体或熔体的反相乳液,以及 ,在步骤b)中,产生颗粒。

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