Propylene polymers
    12.
    发明授权
    Propylene polymers 失效
    丙烯聚合物

    公开(公告)号:US06495634B2

    公开(公告)日:2002-12-17

    申请号:US09097865

    申请日:1998-06-16

    IPC分类号: C08L2312

    摘要: Propylene polymers containing a matrix of a propylene homopolymer and a copolymer of propylene and other alkenes, wherein, during the separation of the propylene polymers according to tacticity and comonomer distribution of the polymer chains, by first dissolving the propylene polymers in boiling xylene, then cooling the solution at a cooling rate of 10° C./h to 25° C. and thereafter, increasing the temperature, separating the propylene polymers into fractions of different solubility, either one or more of the conditions that i) more than 20% by weight of the matrix remain undissolved on further heating to 112° C. or ii) more than 8% by weight of the matrix remain undissolved on further heating to 117° C. or iii) more than 1% by weight of the matrix remain undissolved on further heating to 122° C. are fulfilled by the matrix which remains undissolved on heating the cooled propylene polymer solution to 80° C., a process for the preparation of the propylene polymers, their use for the production of films, fibers or moldings and the films, fibers or moldings comprising these propylene polymers, are described.

    摘要翻译: 含有丙烯均聚物基质和丙烯与其它烯烃共聚物的丙烯聚合物,其中在根据聚合物链的立构规整度和共聚单体分布分离丙烯聚合物期间,首先将丙烯聚合物溶解在沸腾的二甲苯中,然后冷却 该溶液以10℃/ h至25℃的冷却速率,然后升高温度,将丙烯聚合物分离成不同溶解度的分数,其中的一种或多种条件为:超过20重量% 的基质在进一步加热至112°C时仍未溶解。或)在基于进一步加热至117℃时,基质重量不得超过8%。或者,更多加热时,大于1重量%的基质仍然不溶解 至122℃,通过在将冷却的丙烯聚合物溶液加热至80℃时仍未溶解的基质来实现,制备丙烯聚合物的方法,其用于p 描述了膜,纤维或模制品的引导以及包含这些丙烯聚合物的膜,纤维或模制品。

    Ziegler-Natta catalyst systems modified during their preparation
    13.
    发明授权
    Ziegler-Natta catalyst systems modified during their preparation 失效
    齐格勒 - 纳塔催化剂体系在制备过程中改进

    公开(公告)号:US6156691A

    公开(公告)日:2000-12-05

    申请号:US928394

    申请日:1997-09-12

    CPC分类号: C08F10/00

    摘要: In catalyst systems of the Ziegler-Natta type modified during their preparation and comprising as active constituentsa) a titanium-containing solid component which is obtained by reacting a compound of titanium with a compound of magnesium, a halogen, an inorganic oxide as support, a C.sub.1 -C.sub.8 -alkanol and a carboxylic ester as electron donor compound,and also as cocatalystb) an aluminum compound andc) if desired, a further electron donor compound,the titanium-containing solid component a) is prepared by first, in a first stage, admixing an inorganic oxide as support with a solution of a chlorine-free compound of magnesium in an inert solvent, stirring this mixture for from 0.5 to 5 hours at from 10 to 120.degree. C. and subsequently reacting it while stirring continually in an inert solvent with a C.sub.1 -C.sub.8 -alkanol in an at least 1.3-fold excess, based on the compound of magnesium, to give a chlorine-free intermediate, then, without purification or extraction of the intermediate, adding a compound of trivalent or tetravalent titanium and a carboxylic ester as electron donor compound to this intermediate, stirring the resulting mixture for at least 30 minutes at from 20 to 130.degree. C., subsequently filtering off and washing the solid thus obtained and subsequently, in a second stage, extracting the solid obtained from the first stage in an inert solvent comprising at least 5% by weight of titanium tetrachloride and washing it with a liquid alkane.

    摘要翻译: 在其制备过程中改性的齐格勒 - 纳塔型催化剂体系中,包含作为活性成分的含钛固体成分a)通过使钛化合物与镁,卤素,无机氧化物作为载体反应而得到的含钛固体成分, 作为电子给体化合物的C1-C8-链烷醇和羧酸酯,以及作为助催化剂的b)铝化合物,和c)如果需要,另外的电子给体化合物,含钛固体组分a)首先在 第一阶段,将无机氧化物作为载体与无氯化合物的镁在惰性溶剂中的溶液混合,在10至120℃下搅拌该混合物0.5至5小时,随后在持续搅拌下反应 在基于镁化合物的至少1.3倍过量的C 1 -C 8烷醇的惰性溶剂中,得到无氯中间体,然后不经纯化或萃取中间体,加入一种 磅三价或四价钛和羧酸酯作为电子给体化合物,在20至130℃下搅拌所得混合物至少30分钟,随后过滤并洗涤由此获得的固体,随后在 第二阶段,在包含至少5重量%的四氯化钛的惰性溶剂中萃取从第一阶段获得的固体,并用液体烷烃洗涤。

    Preparation of multiphase homo- or copolymers of C2-C10-alk-1-enes in one reaction zone
    14.
    发明授权
    Preparation of multiphase homo- or copolymers of C2-C10-alk-1-enes in one reaction zone 失效
    在一个反应​​区中制备C2-C10-烷-1-烯的多相均聚物或共聚物

    公开(公告)号:US06197900B1

    公开(公告)日:2001-03-06

    申请号:US08850701

    申请日:1997-05-02

    IPC分类号: C08F444

    摘要: Multiphase homo- or copolymers of C2-C10-alk-1-enes are prepared by a process in which polymerization is effected in the presence of two different catalyst systems in one reaction zone, one of the catalyst systems containing, as active components, a metallocene complex of the general formula (I) or (II) where M1 is a metal of group IVb, Vb or VIb of the Periodic Table, R1 and R2 are identical or different and are each hydrogen, C1-C10-alkyl, C1-C10-alkoxy, C6-C10-aryl, C6-C10-aryloxy, C2-C10-alkenyl, C7-C40-arylalkyl, C7-C40-alkylaryl, C8-C40-arylalkenyl or halogen, R3 and R4 are identical or different and are each hydrogen, halogen, C1-C10-alkyl which may be halogenated, C6-C10-aryl or an —NR210, —SR10, —OSiR310, —SiR310 or —PR210 radical, where R10 is halogen, C1-C10-alkyl or C6-C10-aryl, and R5 and R6 are identical or different and have the meanings stated for R3 and R4, with the proviso that R5 and R6 are not hydrogen.

    摘要翻译: 通过在一个反应​​区中在两种不同催化剂体系存在下进行聚合的方法制备C2-C10-烷-1-烯的多相均聚物或共聚物,其中一个催化剂体系含有活性组分 通式(I)或(II)的茂金属络合物,其中M1是元素周期表IVb,Vb或VIb族金属,R1和R2相同或不同,分别为氢,C1-C10-烷基,C1-C10 - 烷氧基,C 6 -C 10 - 芳基,C 6 -C 10 - 芳氧基,C 2 -C 10 - 烯基,C 7 -C 40 - 芳基烷基,C 7 -C 40 - 烷基芳基,C 8 -C 40 - 芳基烯基或卤素,R 3和R 4相同或不同, 每个氢,卤素,可以被卤化的C 1 -C 10 - 烷基,C 6 -C 10 - 芳基或-NR 2 10,-SR 10,-OSiR 3 10,-SiR 3 10或-PR 2 10基团,其中R 10是卤素,C 1 -C 10 - 烷基或C 6 -C 10 - 芳基和R 5和R 6相同或不同,并具有对R 3和R 4所述的含义,条件是R 5和R 6不是氢。

    Polymers of propene
    15.
    发明授权
    Polymers of propene 有权
    丙烯聚合物

    公开(公告)号:US06248829B1

    公开(公告)日:2001-06-19

    申请号:US09268721

    申请日:1999-03-17

    IPC分类号: C08F800

    摘要: Polymers of propene consist of from 50 to 99.9% by weight of an isotactic propene copolymer (A′) and from 0.1 to 50% by weight of a propene homopolymer or a propene copolymer (B′), where a) the propene copolymer (A′) consists of from 80 to 99.9 mol % of propene and from 0.1 to 20 mol % of ethene and/or a C4-C12-1-olefin, at least 80% of all propene diads are isotactic meso diads, the propene copolymer (A′) has a proportion (XS) of material soluble in xylene at 20° C. which satisfies the inequality (1) (XS) 1.9×10−11(TM)6.34+180 MPa  (2),  where in both inequalities (1) and (2) TM is the melting point in ° C., and b) the propene homopolymer or the propene copolymer (B′) consists of from 80 to 100 mol % of propene and from 0 to 20 mol % of ethene and/or a C4-C12-1-olefin, at least 55% of all regioregular propene diads are isotactic meso diads, an enthalpy of fusion &Dgr;Hm of less than 50 J/g is observed in the DSC measurement of (B′) and no crystalline ex sequences are detectable.

    摘要翻译: 丙烯的聚合物由50-99.9重量%的全同立构丙烯共聚物(A')和0.1-50重量%的丙烯均聚物或丙烯共聚物(B')组成,其中丙烯共聚物(A' )由80至99.9mol%的丙烯和0.1至20mol%的乙烯和/或C 4 -C 12 -1-烯烃组成,所有丙烯二单元的至少80%是全同立构的内消旋二元环,丙烯共聚物(A ')具有在20℃下可溶于二甲苯的材料的比例(XS),其满足不等式(1)丙烯共聚物(A')的拉伸弹性模量(E)(MPa)根据ISO 527测定 (2),其中在两个不等式(1)和(2)中,TM是以℃为单位的熔点,和b)丙烯均聚物或丙烯共聚物(B')由80-100mol% 丙烯和0至20摩尔%的乙烯和/或C 4 -C 12 -1-烯烃,至少55%的所有区域规则丙烯二单元均为全同立构的内消旋二聚体,熔融焓DELTAHm小于5 在(B')的DSC测量中观察到0J / g,并且不检测到结晶ex序列。

    Transition metal complexes
    16.
    发明授权
    Transition metal complexes 失效
    过渡金属络合物

    公开(公告)号:US06420301B1

    公开(公告)日:2002-07-16

    申请号:US09719428

    申请日:2000-12-12

    IPC分类号: B01J3138

    摘要: Transition metal complexes of the formula (Ia) or (Ib), in which the substituents and indices have the following meanings: M is titanium, zirconium, hafnium, vanadium, niobium or tantalum or an element of the third subgroup of the Periodic Table or of the lanthanoids, X is fluorine, chlorine, bromine, iodine, hydrogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl having 1 to 10 carbon atoms in the alkyl radical and 6 to 20 carbon atoms in the aryl radical, —OR5 or —NR5R6, n is 1, 2 or 3, where n is the valency of M minus the number 2, Z is a three-way bridge and A and A1 are two-way bridges. Process for preparing the transition metal complexes, compounds which are used as intermediates for their preparation, the use of the transition metal complexes for polymerizing olefins, processes for polymerizing olefins, homo- or copolymers of ethylene or of propylene with other C2-C12-alk-1-enes, their use for preparing films, fibers or moldings and the films, fibers or moldings made of these polymers.

    摘要翻译: 式(Ia)或(Ib)的过渡金属络合物,其中取代基和指数具有以下含义:M是钛,锆,铪,钒,铌或钽或元素周期表第三亚元素的元素或 的镧系元素,X是氟,氯,溴,碘,氢,C 1 -C 10 - 烷基,C 6 -C 15 - 芳基,在烷基中具有1至10个碳原子的烷基芳基和芳基中6至20个碳原子, -OR5或-NR5R6,n是1,2或3,其中n是M的化合价减去数2,Z是三向桥,A和A1是双向桥。制备过渡金属配合物的方法, 用作其制备中间体的化合物,使用过渡金属络合物用于聚合烯烃,聚合烯烃的方法,乙烯或丙烯与其它C 2 -C 12烷-1-烯的均聚物或共聚物,其用途 制备薄膜,纤维或模制品以及由这些聚合物制成的薄膜,纤维或模制品。