Method for producing hyperbranched polymer
    41.
    发明授权
    Method for producing hyperbranched polymer 有权
    生产超支化聚合物的方法

    公开(公告)号:US08362190B2

    公开(公告)日:2013-01-29

    申请号:US12677703

    申请日:2008-09-11

    IPC分类号: C08F8/04 C08F12/04 C08F20/10

    摘要: There is provided a method for producing a hyperbranched polymer. A method for producing a hyperbranched polymer comprising polymerizing a dithiocarbamate compound of Formula (1): wherein R1 is H or CH3; R2 and R3 are individually a C1-5 alkyl group, etc., A1 is Formula (2) and/or Formula (3): wherein A2 is a linear, branched or cyclic C1-30 alkylene group that optionally contains an ether bond or an ester bond and X1, X2, X3 and X4 are each independently H, a C1-20 alkyl group, etc., by heating at 50 to 250° C.

    摘要翻译: 提供了制备超支化聚合物的方法。 一种制备超支化聚合物的方法,包括聚合式(1)的二硫代氨基甲酸酯化合物:其中R 1是H或CH 3; R2和R3分别为C1-5烷基等,A1为式(2)和/或式(3):其中A2为任选含有醚键的直链,支链或环状C 1-10亚烷基, 酯键和X 1,X 2,X 3和X 4各自独立地为H,C 1-20烷基等,通过在50至250℃下加热

    Polymerization catalyst and process for producing polymers
    44.
    发明授权
    Polymerization catalyst and process for producing polymers 失效
    聚合催化剂和聚合物的制备方法

    公开(公告)号:US6075102A

    公开(公告)日:2000-06-13

    申请号:US77319

    申请日:1998-06-05

    摘要: The present invention provides a polymerization catalyst comprising (a) a specific transition metal compound, (b) (i) a compound which can form a complex by reaction with the transition metal compound of component (a) or (ii) a specific compound containing oxygen, and optionally, (c) an alkylating agent, and a process for producing polymers in the presence of said polymerization catalyst.By using the polymerization catalyst of the present invention, decrease in the contents of residual metals in obtained polymers, simplification of the process for producing polymers, and reduction of the production cost of polymers can be achieved, and polymers having a high molecular weight can be obtained.

    摘要翻译: PCT No.PCT / JP96 / 03600 Sec。 371日期:1998年6月5日 102(e)1998年6月5日PCT 1996年12月9日PCT PCT。 公开号WO97 / 21738 PCT 日期:1997年6月19日本发明提供了包含(a)特定过渡金属化合物的聚合催化剂,(b)(i)可以通过与组分(a)或(ii)的过渡金属化合物反应形成络合物的化合物 )含氧的具体化合物,和任选的(c)烷基化剂,以及在所述聚合催化剂存在下制备聚合物的方法。 通过使用本发明的聚合催化剂,可以实现所得聚合物中残留金属含量的降低,聚合物的制造方法简化,聚合物的制造成本的降低,高分子量聚合物可以 获得。

    Organic aluminoxy compound and catalyst for producing polymer
    47.
    发明授权
    Organic aluminoxy compound and catalyst for producing polymer 失效
    有机铝氧化合物和用于生产聚合物的催化剂

    公开(公告)号:US5917073A

    公开(公告)日:1999-06-29

    申请号:US875606

    申请日:1997-08-05

    摘要: An organic aluminoxy compound which shows .sup.27 Al nuclear magnetic resonance spectrum (.sup.27 Al-NMR spectrum) having an A.sub.1 /A.sub.2 ratio of at most 0.1, wherein A.sub.1 is area of a region encompassed by a segment of a line which connects a local minimum point existing between a continuous curve "a" containing a peak appearing at around 150 ppm and a continuous curve "b" containing a peak appearing at around 60 ppm to the point where the above curve "b" comes into contact with the base line and also by the above curve "b" and A.sub.2 is area of a region encompassed by the above curves "a" and "b" and also by the base line; an organic aluminoxy compound containing at least 5%, expressed in terms of aluminum atom, of a portion insoluble in a mixed solvent of toluene and hexane in a ratio by volume of 2:5 at 30.degree. C. or lower; and a catalyst for producing a polymer comprising any of the above organic aluminoxy compounds and a transition metal compound.The above catalyst is a homogeneous catalyst having high and stable activity and used for polymerization of olefins and styrenes.

    摘要翻译: PCT No.PCT / JP96 / 03699 Sec。 371日期:1997年8月5日 102(e)日期1997年8月5日PCT 1996年12月19日PCT公布。 公开号WO97 / 23488 PCT 日期1997年7月3日具有A1 / A2比至多为0.1的27Al核磁共振谱(27Al-NMR光谱)的有机铝氧化合物,其中A1是由连接a 包含出现在大约150ppm处的峰的连续曲线“a”和包含出现在大约60ppm处的峰值的连续曲线“b”之间存在的局部最小点到上述曲线“b”与基底接触的点 并且也由上述曲线“b”表示,A2是由上述曲线“a”和“b”所包围的区域以及基线的面积; 在30℃或更低的温度下,以不溶于甲苯和己烷的混合溶剂的比例以2:5的比例含有至少5%(以铝原子表示)的有机铝氧化合物; 以及用于制备包含任何上述有机铝氧化合物和过渡金属化合物的聚合物的催化剂。 上述催化剂是具有高且稳定的活性并用于烯烃和苯乙烯聚合的均相催化剂。

    Bidentate coordinated trivalent Group IVB metal complex catalyst for
preparing syndiotactic vinyl aromatic polymer
    48.
    发明授权
    Bidentate coordinated trivalent Group IVB metal complex catalyst for preparing syndiotactic vinyl aromatic polymer 失效
    用于制备间同立构乙烯基芳族聚合物的二齿配位三价ⅣB族金属络合物催化剂

    公开(公告)号:US5869721A

    公开(公告)日:1999-02-09

    申请号:US881683

    申请日:1997-06-23

    摘要: A novel trivalent Group IVB metal complex for preparing syndiotactic vinyl aromatic polymers is disclosed which is coordinated by a bidentate ligand and is represented by the formula (I):(C.sub.5 R.sub.n H.sub.5-n)M(BD).sub.m Y.sub.p (I)wherein C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopentadienyl group, n is an integer between 0 and 5, and R is C.sub.1 to C.sub.12 alkyl, aryl, substituted alkyl, or substituted aryl; M is a trivalent Group IVB metal; (BD) is a bidentate ligand with -1 valence, having a coordinating group which is capable of forming a coordinating bond or a chelating bond with the metal M; Y is selected from the group consisting of alkyl, aryl, aralkyl, halogen and hydrogen; m is an integer of 1 or 2; and m+p=2.

    摘要翻译: 公开了一种用于制备间同立构乙烯基芳族聚合物的新型三价IVB族金属络合物,其由二齿配体配位并由式(I)表示:(C5RnH5-n)M(BD)mYp(I)其中C5RnH5-n为 取代或未取代的环戊二烯基,n为0至5的整数,R为C 1至C 12烷基,芳基,取代的烷基或取代的芳基; M是三价IVB族金属; (BD)是具有-1价的双齿配体,具有能够与金属M形成配位键或螯合键的配位基; Y选自烷基,芳基,芳烷基,卤素和氢; m为1或2的整数; m + p = 2。

    Process for producing a styrenic polymer
    49.
    发明授权
    Process for producing a styrenic polymer 失效
    生产苯乙烯聚合物的方法

    公开(公告)号:US5824753A

    公开(公告)日:1998-10-20

    申请号:US750844

    申请日:1996-12-24

    摘要: A process for producing a styrenic polymer having the syndiotactic configuration which process comprises a plurality of polymerization stages, at least one polymerization stage selected as desired from the plurality of polymerization stages being a polymerization stage in which hydrogen is introduced; in accordance with the present invention, efficient control of molecular weight and molecular weight distribution is enabled. By increasing activity of the polymerization catalyst, the amount of the catalyst and the amount of residual metals can be decreased, and the cost of production can be decreased.

    摘要翻译: PCT No.PCT / JP96 / 01205 Sec。 371日期:1996年12月24日 102(e)日期1996年12月24日PCT提交1996年5月2日PCT公布。 公开号WO96 / 34894 日期:1996年11月7日制备具有间同立构构型的苯乙烯系聚合物的方法,该方法包括多个聚合阶段,从多个聚合阶段中选择需要的至少一个聚合阶段为引入氢的聚合阶段; 根据本发明,能够有效地控制分子量和分子量分布。 通过提高聚合催化剂的活性,可以降低催化剂的量和残余金属的量,并且可以降低生产成本。

    Catalyst for polymerization and process for producing a styrenic polymer
by using the catalyst
    50.
    发明授权
    Catalyst for polymerization and process for producing a styrenic polymer by using the catalyst 失效
    用于聚合的催化剂和通过使用催化剂生产苯乙烯聚合物的方法

    公开(公告)号:US5807940A

    公开(公告)日:1998-09-15

    申请号:US669381

    申请日:1996-07-11

    摘要: The present invention provides a catalyst for polymerization comprising (A) a transition metal compound containing at least one linkage represented by the general formula (I): M.sup.1 --Z--C (I) wherein M.sup.1 represents a metal element of Groups 3 to 6 or the lanthanide series, and Z represents an element of Group 15, in one molecule, (B) (a) a compound which can form an ionic complex by the reaction with the transition metal compound or (b) a specific oxygen-containing compound, and (C) a metal compound containing alkyl group which is optionally used; and a process for producing a styrenic polymer, particularly a styrenic polymer having a highly syndiotactic configuration, comprising using this catalyst for polymerization. In accordance with the present invention, a novel catalyst for polymerization which has a high activity and enables reduction of the content of the residual metal in the polymer, simplification of the production process, decrease in the production cost, and improvement of physical properties of the polymer and a process which efficiently produces syndiotactic polystyrene can be provided.

    摘要翻译: PCT No.PCT / JP95 / 02281 Sec。 371日期:1996年7月11日 102(e)日期1996年7月11日PCT提交1995年11月8日PCT公布。 公开号WO96 / 15160 日期:1996年5月23日本发明提供了一种聚合用催化剂,其包含(A)含有至少一个由通式(I)表示的键的过渡金属化合物:M1-ZC(I)其中M1表示第3〜 6或镧系元素,Z表示第15族的元素,在一个分子中,(B)(a)可以通过与过渡金属化合物的反应形成离子络合物的化合物或(b)特定含氧的 化合物,(C)任选使用的含有烷基的金属化合物; 以及制备苯乙烯聚合物,特别是具有高间隔构型的苯乙烯聚合物的方法,包括使用该催化剂进行聚合。 根据本发明,一种新型的聚合催化剂具有活性高,能够降低聚合物中残余金属的含量,简化生产工艺,降低生产成本,提高物理性能 聚合物和可以有效地制备间同立构聚苯乙烯的方法。