Polymers of propene
    1.
    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。

    Preparation of multiphase homo- or copolymers of C2-C10-alk-1-enes in one reaction zone
    2.
    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。

    Plastic compositions partially crosslinked by unsaturated esters
    3.
    发明授权
    Plastic compositions partially crosslinked by unsaturated esters 失效
    由不饱和酯部分交联的塑料组合物

    公开(公告)号:US5994471A

    公开(公告)日:1999-11-30

    申请号:US959166

    申请日:1997-10-28

    摘要: Partially crosslinked plastic compositions with a melt flow index at 230.degree. C. and under a load of 2.16 kg, of from 0.1 to 100 g/10 min, and a gel content of less than 12% by weight, is prepared froma) a polymer comprisinga.sub.1) from 60 to 92% by weight of a propylene homopolymer anda.sub.2) from 8 to 40% by weight of a propylene copolymer having C.sub.2 -C.sub.10 -alk-1-enes incorporated into its polymer chain and with a comonomer content, based on a.sub.2) of from 15 to 70% by weight, andb) a compound of the formula (I) ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl,X is substituted or unsubstituted C.sub.1 -C.sub.30 -alkyl or substituted or unsubstituted C.sub.7 -C.sub.30 -arylalkyl, where each of the alkyl groups may be interrupted byone or more oxygen atoms in ether moieties (--O--) or oxycarbonyl moieties (--O--CO--) and/or bynitrogen groups of the formula NR.sup.2, where R.sup.2 is hydrogen, C.sub. -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -hydroxyalkyl,andn is the number 2 or 3,obtainable by reacting the polymer a) with the compound b) at from 180 to 280.degree. C., under a pressure of from 1 to 100 bar, and with mean residence times of the reaction mixture of from 0.2 to 10 minutes.

    摘要翻译: 熔体流动指数在230℃,负荷2.16kg,0.1-100g / 10min,凝胶含量小于12wt%的部分交联塑料组合物由a)a 聚合物,其包含a1)60至92重量%的丙烯均聚物,和a2)8至40重量%的具有C2-C10-烷-1-烯的丙烯共聚物,其加入到其聚合物链中并具有共聚单体含量, 基于a2)为15〜70重量%,和b)式(I)的化合物,其中R 1为氢或C 1 -C 4 - 烷基,X为取代或未取代的C 1 -C 30 - 烷基或取代或未取代的C 7 -C 30 - 芳烷基,其中每个烷基可以被醚部分(-O-)或氧羰基部分(-O-CO-)中的一个或多个氧原子和/或由式NR 2的氮基团间隔,其中 R2是氢,C-C6烷基或C1-C6-羟基烷基,n是2或3,可以通过使聚合物a)与化合物b)在180-280℃下反应,得到 压力为1至100巴,反应混合物的平均停留时间为0.2至10分钟。

    Halogen-free flameproofed thermoplastic molding materials based on
polyphenylene ethers and polystyrene
    4.
    发明授权
    Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene 失效
    基于聚苯醚和聚苯乙烯的无卤阻燃热塑性成型材料

    公开(公告)号:US5444123A

    公开(公告)日:1995-08-22

    申请号:US203512

    申请日:1994-02-28

    摘要: Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene containing, as essential components,A) from 5 to 92% by weight of one or more polyphenylene ethers,B) from 5 to 92% by weight of a vinylaromatic polymer andC) from 3 to 25% by weight of a flameproofing agent based onC1) from 20 to 100% by weight (based on the total amount of C) of a polymeric phosphorus compound which is obtained by polymerizing or copolymerizing one or more compounds of the following structure: ##STR1## where ##STR2## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.10 and R.sup.11 are each hydrogen, alkyl, cycloalkyl, aralkyl or aryl,R.sup.7, R.sup.8 and R.sup.9 are each alkylidene, cycloalkylidene, aralkylidene or arylidene,m, p, q, r, s, t, u and v are each 0 or 1,n is 0, 1 or 2,U is COO, O, S or NR.sup.9,V, W, X and Y are each O, S or NR.sup.9 andZ is O, S or NR.sup.10 R.sup.11, andC2) from 0 to 80% by weight (based on the total amount of C) of a low molecular weight phosphorus compound selected from the group consisting of the phosphine oxides, phosphates, phosphinic acids and salts and esters thereof, phosphonic acids and salts and esters thereof and red phosphorus.

    摘要翻译: 基于聚苯醚和聚苯乙烯的无卤阻燃热塑性成型材料,作为必要成分A)5〜92重量%的一种或多种聚苯醚,B)5〜92重量%的乙烯基芳族聚合物和C )3至25重量%的基于C1)的阻燃剂,其为通过聚合或共聚一种或多种化合物而获得的聚合磷化合物的20至100重量%(基于C的总量) 其中,R1,R2,R3,R4,R5,R10和R11各自为氢,烷基,环烷基,芳烷基或芳基,R7,R8和R9分别为亚烷基,亚环烷基,亚烷基或亚芳基, m,p,q,r,s,t,u和v各自为0或1,n为0,1或2,U为COO,O,S或NR9,V,W,X和Y各自为O, S或NR 9,Z为O,S或NR 10 R 11和C 2)0至80重量%(基于C的总量)选自组中的低分子量磷化合物 磷化氢,磷酸盐,次膦酸及其盐和酯,膦酸及其盐和酯以及红磷。

    Highly crystalline propylene homopolymers
    5.
    发明授权
    Highly crystalline propylene homopolymers 失效
    高度结晶的丙烯均聚物

    公开(公告)号:US07022795B1

    公开(公告)日:2006-04-04

    申请号:US09041698

    申请日:1998-03-13

    摘要: Propylene homopolymers, wherein, in their separation according to tacticity by first dissolving the polymers in boiling xylene, then cooling the solution to 25° C. at a cooling rate of 10° C./h and then, with ascending temperature, separating the propylene homopolymers into fractions of different tacticity, either one or more of the conditions that i) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 112° C. is greater than 20% by weight or ii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 117° C. is greater than 8% by weight or iii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 122° C. is greater than 1% by weight, are satisfied.

    摘要翻译: 丙烯均聚物,其中通过首先将聚合物溶解在沸腾的二甲苯中,根据立构规整度的分离,然后以10℃/小时的冷却速率将溶液冷却至25℃,然后在升高温度下分离丙烯 将均聚物分成不同立构规整度的一个或多个条件,i)在将冷却的丙烯均聚物溶液加热至112℃时保持未溶解的丙烯均聚物的分数大于20重量%或ii) 在将冷却的丙烯均聚物溶液加热至117℃时保持未溶解的丙烯均聚物大于8重量%或iii)在将冷却的丙烯均聚物溶液加热至122℃时保持未溶解的丙烯均聚物的分数大于 1重量%。

    Toughened propylene polymers having little tendency to white fracture
    6.
    发明授权
    Toughened propylene polymers having little tendency to white fracture 失效
    增韧的丙烯聚合物几乎没有白色断裂的倾向

    公开(公告)号:US06815490B2

    公开(公告)日:2004-11-09

    申请号:US10351715

    申请日:2003-01-28

    IPC分类号: C08L2304

    摘要: Propylene polymers contain a) from 50 to 95 parts by weight of a propylene homopolymer having a melt flow index of from 0.1 to 100 g/10 min., at 230° C. and under a weight of 2.16 kg, according to ISO standard 1133, and an isotacticity index of at least 98%, b) from 5 to 50 parts by weight of an ethylene copolymer containing from 4 to 40% by weight of polymerized C4-C20-alk-1-ene and having a density of from 0.865 to 0.920 g/cm3 and c) from 0 to 1.5 parts by weight of a nucleating agent, the sum of the parts by weight of the propylene homopolymer a) and of the ethylene copolymer b) always being 100 parts by weight. The propylene polymers are distinguished in particular by high rigidity and little tendency to white fracture.

    Propylene polymers
    7.
    发明授权
    Propylene polymers 失效
    丙烯聚合物

    公开(公告)号:US5773516A

    公开(公告)日:1998-06-30

    申请号:US761341

    申请日:1996-12-06

    CPC分类号: C08F297/083 C08F210/06

    摘要: Propylene polymers which comprise from 25 to 97% by weight of a propylene polymer (I) containing from 0 to 15% by weight of copolymerized C.sub.2 -C.sub.10 -alk-1-enes and also comprise from 3 to 75% by weight of a further propylene polymer (II) containing from 15 to 80% by weight of copolymerized C.sub.2 -C.sub.10 -alk-1-enes, are obtainable by two-stage polymerization of propylene and C.sub.2 -C.sub.10 -alk-1-enes in the presence of a Ziegler-Natta catalyst system which comprises a titanium-containing solid component a) comprising a compound of magnesium, a halogen, silica gel as support and a carboxylic ester as electron donor compound, and also as cocatalysts an aluminum compound b) and a further electron donor compound c), where, in a first polymerization stage, propylene is polymerized in the presence or absence of further C.sub.2 -C.sub.10 -alk-1-enes at from 50.degree. to 100.degree. C., pressures in the range from 15 to 40 bar and a mean residence time of from 0.5 to 5 hours and subsequently, in a second polymerization stage, a mixture of propylene and further C.sub.2 -C.sub.10 -alk-1-enes is polymerized at from 30.degree. to 100.degree. C., pressures in the range from 15 to 40 bar and mean residence times of from 0.5 to 5 hours onto the propylene polymer obtained from the first polymerization stage, and the silica gel used as support for the titanium-containing solid component has a mean particle diameter of from 5 to 200 .mu.m, a mean particle diameter of the primary particles of from 1 to 10 .mu.m and voids or channels having a mean diameter of from 1 to 10 .mu.m, which voids or channels have a macroscopic volume as a proportion of the total particle in the range from 5 to 20%.

    摘要翻译: 丙烯聚合物,其包含25至97重量%的含有0至15重量%的共聚的C 2 -C 10 - 烷-1-烯的丙烯聚合物(I),并且还包含3至75重量%的另外 含有15-80%(重量)共聚的C 2 -C 10 - 烷-1-烯的丙烯聚合物(II)可以通过在齐格勒(Ziegler)存在下丙烯和C 2 -C 10 - 烷-1-烯的两步聚合来获得 -Natta催化剂体系,其包含含钛固体组分a),其包含镁,卤素,硅胶作为载体的化合物和作为电子给体化合物的羧酸酯,以及作为助催化剂的铝化合物b)和另外的电子给体 化合物c),其中在第一聚合阶段,丙烯在存在或不存在另外的C 2 -C 10 - 烷-1-烯的情况下在50至100℃下聚合,压力为15至40巴 平均停留时间为0.5至5小时,随后在第二聚合阶段中混合 丙烯和其他C 2 -C 10 - 烷-1-烯的反应在30℃至100℃下聚合,压力为15至40巴,平均停留时间为0.5至5小时,得到所得丙烯聚合物 从第一聚合阶段,用作含钛固体成分的载体的硅胶的平均粒径为5〜200μm,一次粒子的平均粒径为1〜10μm,空隙 或平均直径为1至10μm的通道,该空隙或通道的宏观体积占总颗粒的比例在5至20%的范围内。