Ethylenic polymers and process for the production thereof
    1.
    发明授权
    Ethylenic polymers and process for the production thereof 失效
    乙烯聚合物及其生产方法

    公开(公告)号:US6140443A

    公开(公告)日:2000-10-31

    申请号:US202137

    申请日:1998-12-09

    摘要: A blow-moldable or extrudable ethylene polymer having an excellent moldability which gives a molded product free of roughened surface, having: a number-average molecular weight Mn (V1) as determined from the amount of a terminal vinyl group by .sup.13 C-NMR measurement with respect to a fraction having a number-average molecular weight Mn of 100,000 according to GPC; and a number-average molecular weight Mn (V2) as determined from the amount of a terminal vinyl group by .sup.13 C-NMR measurement with respect to a fraction having a number-average molecular weight Mn of 10,000 according to GPC, Mn(V1) and Mn(V2) satisfying the following relationship:1.01.ltoreq.log.sub.10 {Mn(V1)/Mn(V2)}.ltoreq.3.0and having a melt flow rate (HLMFR) of from 0.1 to 70 g/10 min.

    摘要翻译: PCT No.PCT / JP97 / 01220 Sec。 371 1998年12月9日第 102(e)日期1998年12月9日PCT 1997年4月9日PCT PCT。 公开号WO98 / 45340 日期1998年10月15日一种具有优异成型性的可吹塑成型或可挤出的乙烯聚合物,其赋予无粗糙表面的模塑产品,其具有:由末端乙烯基基团的量确定的数均分子量Mn(V1) 相对于GPC的数均分子量Mn为100,000的部分,进行13C-NMR测定; 根据GPC,通过13 C-NMR测定,对于数均分子量Mn为10,000的部分,根据GPC测定的数均分子量Mn(V2)Mn(V1)和 满足以下关系的Mn(V2):熔体流动速率(HLMFR)为0.1〜70g / 10分钟的1.01

    Process for preparing ethylene polymer and catalyst used therefor
    2.
    发明授权
    Process for preparing ethylene polymer and catalyst used therefor 失效
    用于制备乙烯聚合物和催化剂的方法

    公开(公告)号:US06326443B1

    公开(公告)日:2001-12-04

    申请号:US09202284

    申请日:1998-12-11

    IPC分类号: C08F422

    摘要: A polymerization catalyst which exhibits a high activity and a good hydrogen response and thus is suitable for the production of an ethylene polymer having a wide molecular weight range can be obtained by a method using a chromium compound, an organic aluminum compound and a carrier and comprising the following steps (a) to (d): (a) contacting a chromium compound with a carrier in the presence or absence of a solvent; (b) adding an organic aluminum compound to said contacted substances at a temperature of not higher than 60° C. in an amount such that the mixing ratio of said organic aluminum compound to said chromium compound falls within the range of from 0.5/1 to 100/1 as calculated in terms of the ratio of aluminum atom/chromium atom (Al/Cr molar ratio) and that the following relationship (1) is satisfied: log10t≦0.33log10C+0.35  (1) wherein t represents the time (min) required until the organic aluminum compound is added to give an Al/Cr molar ratio of 10/1; and C represents the amount of the carrier used (Kg); (c) after the addition of the organic aluminum compound, stirring at a temperature of from 0° C. to 60° C. for 0.5 to 4 hours; and (d) removing the solvent used, unreacted matters and by-products at a temperature of not higher than 60° C. in such a manner that the following relationship (2) is satisfied: log10T≦0.23log10C+1.10  (2) wherein T represents the time required until the removal is completed; and C represents the amount of the carrier used (Kg).

    摘要翻译: 可以通过使用铬化合物,有机铝化合物和载体的方法获得表现出高活性和良好的氢响应并因此适用于生产具有宽分子量范围的乙烯聚合物的聚合催化剂,并且包含 以下步骤(a)至(d):(a)在存在或不存在溶剂的情况下使铬化合物与载体接触; (b)在不高于60℃的温度下向所述接触物质中加入有机铝化合物,其量使得所述有机铝化合物与所述铬化合物的混合比在0.5 / 1至 100/1,以铝原子/铬原子的比例(Al / Cr摩尔比)计算,满足以下关系式(1):其中t表示添加有机铝化合物所需的时间(分钟) 得到10/1的Al / Cr摩尔比; C代表使用的载体量(Kg); (c)在加入有机铝化合物后,在0℃至60℃的温度下搅拌0.5至4小时; 和(d)以不高于60℃的温度除去所使用的溶剂,未反应物和副产物,使得满足以下关系式(2):其中T表示除去之前所需的时间 完成 C表示使用的载体的量(Kg)。

    Ionic compound and olefin polymerization catalyst containing the same
    7.
    发明授权
    Ionic compound and olefin polymerization catalyst containing the same 失效
    含离子化合物和烯烃聚合催化剂含有它

    公开(公告)号:US5869723A

    公开(公告)日:1999-02-09

    申请号:US776777

    申请日:1997-02-10

    摘要: Ionic compounds represented by general formula (I), method of their production, olefin polymerization catalyst components, and olefin polymerization catalysts containing the components are provided.�M(R.sup.1).sub.k (R.sup.2).sub.1 (R.sup.3).sub.m (R.sup.4 -L).sub.n !.sup.- �D!.sup.+ (I)(wherein, M is an element belonging to the Group 13; R.sup.1, R.sup.2 and R.sup.3 are pentafluorophenyl, etc., R.sup.4 is a substituted phenylene group, etc., k, l and m being each 0 or an integer of 1 to 3, and n being an integer of 1 to 4 such that k+l+m+n=4; L is trichlorosilyl, methyldichlorosilyl, dimethylchlorosilyl group, etc.; and D is a monovalent cation). The catalyst of this invention, which is used in combination with the ionic compound of this invention, a carrier, an organometal compound and a Group 4, 5 or 6 transition metal compound, has high activity so that polymerization of olefins by a slurry process, a gas phase process or the like using the catalyst gives rise to a polymer having good powder characteristics and attachment of the polymer to the reactor is minimized.

    摘要翻译: PCT No.PCT / JP96 / 01514 Sec。 371日期1997年2月10日 102(e)1997年2月10日PCT PCT 1996年6月5日PCT公布。 出版物WO96 / 41808 日期:1996年12月27日提供了由通式(I)表示的化合物,其制备方法,烯烃聚合催化剂组分和含有这些组分的烯烃聚合催化剂。 [M(R1)k(R2)1(R3)m(R4-L)n] - [D] +(I)(其中,M是属于第13族的元素; R1,R2和R3是五氟苯基, R4是取代亚苯基等,k,l和m各自为0或1〜3的整数,n为1〜4的整数,使得k + 1 + m + n = 4; L是三氯甲硅烷基,甲基二氯甲硅烷基,二甲基氯甲硅烷基等; D是一价阳离子)。 与本发明的离子化合物,载体,有机金属化合物和第4,5或6族过渡金属化合物组合使用的本发明的催化剂具有高活性,使得通过浆料方法聚合烯烃, 使用该催化剂的气相方法等产生具有良好粉末特性的聚合物,并且聚合物与反应器的连接最小化。

    Polyolefin production catalyst and method of preparing polyolefins
    8.
    发明授权
    Polyolefin production catalyst and method of preparing polyolefins 失效
    聚烯烃生产催化剂及其制备方法

    公开(公告)号:US6121182A

    公开(公告)日:2000-09-19

    申请号:US981545

    申请日:1997-12-11

    摘要: A catalyst component for polyolefin production catalysts comprising a metallocene compound represented by general formula (1) (symbols have the meanings as described in the specification), polyolefin production catalyst containing the component, and method for producing polyolefin with the catalyst are provided. Use of a catalyst containing the novel metallocene compound as a catalyst component of the invention in polymerization of .alpha.-olefin, particularly propylene, enables one to prepare high rigid, high melting point isotactic polypropylene useful as an industrial material for automobiles and the like, more specifically isotactic polypropylene having highly controlled stereoregulartity and regioregularity, particularly the one having a high regioregularity that has been difficult to achieve with conventional metallocene catalysts. ##STR1##

    摘要翻译: PCT No.PCT / JP97 / 01387 Sec。 371 1997年12月11日第 102(e)日期1997年12月11日PCT 1997年4月22日提交PCT公布。 公开号WO97 / 40075 PCT 日期:1997年10月30日一种用于聚烯烃生产催化剂的催化剂组分,其包含由通式(1)表示的茂金属化合物(符号具有说明书中所述的含义),含有该组分的聚烯烃生产催化剂,以及使用催化剂制备聚烯烃的方法 被提供。 使用含有新型茂金属化合物的催化剂作为本发明的催化剂组分在α-烯烃,特别是丙烯的聚合中,使得能够制备用作汽车等的工业材料的高刚性,高熔点全同立构聚丙烯,更多 特别是具有高度控制的立体结构和区域均匀性的全同立构聚丙烯,特别是具有高常规金属茂催化剂难以达到的高定向度的聚丙烯。

    3-alkoxypropionic ester derivative
    9.
    发明授权
    3-alkoxypropionic ester derivative 失效
    3-烷氧基丙酸酯衍生物

    公开(公告)号:US06118019A

    公开(公告)日:2000-09-12

    申请号:US221849

    申请日:1998-12-29

    CPC分类号: C08F10/00 C07C69/708

    摘要: A 3-alkoxypropionic ester derivative, an olefin polymerization solid catalyst component using the same, an olefin polymerization catalyst using the same, and a process for the preparation of a polyolefin using the same. The 3-alkoxypropionic ester derivative is represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrocarbon group having from 1 to 10 carbon atoms; R.sup.2 represents a hydrocarbon group having from 1 to 20 carbon atoms; R.sup.3 represents a hydrocarbon group having from 1 to 20 carbon atoms; and R.sup.4 represents a branched hydrocarbon group having 3 or more carbon atoms.

    摘要翻译: 3-烷氧基丙酸酯衍生物,使用其的烯烃聚合固体催化剂组分,使用该烯烃聚合固体催化剂组分的烯烃聚合催化剂,以及使用其制备聚烯烃的方法。 3-烷氧基丙酸酯衍生物由式(I)表示:其中R 1表示具有1至10个碳原子的烃基; R2表示碳原子数为1〜20的烃基; R3表示碳原子数为1〜20的烃基; R 4表示碳原子数3以上的支链状烃基。