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    Plastic copolymers of propylene with linear dienes having conjugated double-bonds and process for preparing same
    1.
    发明授权
    Plastic copolymers of propylene with linear dienes having conjugated double-bonds and process for preparing same 失效
    丙烯与具有共轭双键的线性二烯的塑料共聚物及其制备方法

    公开(公告)号：US4602077A

    公开(公告)日：1986-07-22

    申请号：US758421

    申请日：1985-07-24

    申请人： Giuliano Cecchin ,  Floriano Guglielmi ,  Francesco Zerega

    发明人： Giuliano Cecchin ,  Floriano Guglielmi ,  Francesco Zerega

    IPC分类号： C08F210/00 ,  C08F4/60 ,  C08F4/654 ,  C08F10/06 ,  C08F210/06 ,  C08F255/02

    CPC分类号： C08F255/02 ,  C08F210/06

    摘要： Disclosed are plastic copolymers of propylene with linear dienes having conjugated double bonds, in particular with butadiene, characterized by a molar ratio between the dienic units in configuration 1,2 and those in configuration 1,4 higher than 0.2, preferably higher than 1.Such copolymers are prepared by copolymerization of propylene with linear dienes in the presence of stereospecific catalysts comprising a halogen Ti compound supported on a Mg halide.The copolymers can be reacted with radically polymerizable monomers, thus obtaining functionalized products suited to be transformed into films having good adhesion characteristics.

    摘要翻译： 公开了丙烯与具有共轭双键的线性二烯，特别是丁二烯的塑性共聚物，其特征在于构型1,2中的二烯单元与构型1,4中的二烯单元之间的摩尔比高于0.2，优选高于1。 共聚物通过在包含负载在卤化镁上的卤素Ti化合物的立体选择性催化剂存在下，使丙烯与线性二烯共聚来制备。 共聚物可与可自由基聚合的单体反应，从而获得适于转变成具有良好粘合特性的薄膜的官能化产物。

    Elastoplastic polyolefin compositions
    2.
    发明授权
    Elastoplastic polyolefin compositions 失效
    弹塑性聚烯烃组合物

    公开(公告)号：US5286564A

    公开(公告)日：1994-02-15

    申请号：US734390

    申请日：1991-07-23

    申请人： Giuliano Cecchin ,  Floriano Guglielmi ,  Anteo Pelliconi ,  Emanuele Burgin

    发明人： Giuliano Cecchin ,  Floriano Guglielmi ,  Anteo Pelliconi ,  Emanuele Burgin

    IPC分类号： C08F4/654 ,  C08F4/60 ,  C08F297/08 ,  C08J5/00 ,  C08L23/08 ,  C08L23/10 ,  C08L23/16

    CPC分类号： C08F297/08 ,  C08L2207/02 ,  Y10T428/2982

    摘要： Elastoplastic polyolefin compositions endowed with high flexibility, comprising:A) 10-50 parts by weight of a homopolymer of propylene with isotactic index greater than 80, or a copolymer of propylene with ethylene, another .alpha.-olefin, or combinations thereof, which copolymer contains over 85% by weight of propylene;B) 5-20 parts by weight of a copolymer fraction containing ethylene, insoluble in xylene at ambient temperature;C) 40-80 parts by weight of a copolymer fraction of ethylene and propylene or another .alpha.-olefin, or combinations thereof, and, optionally, minor portions of a diene, said fraction containing less than 40% by weight of ethylene, being soluble in xylene at ambient temperature, and having an intrinsic viscosity from 1.5 to 4 dl/g; the percent by weight of the sum of the (B) and (C) fractions with respect to the total polyolefin composition being of from 50% to 90% and the (B)/(C) weight ratio being lower than 0.4.

    摘要翻译： 具有高柔性的弹塑性聚烯烃组合物，包括：A）10-50重量份丙烯均等度指数大于80的均聚物，或丙烯与乙烯的共聚物，另一种（α）α-烯烃或其组合，其中 共聚物含有超过85重量％的丙烯; B）5-20重量份含乙烯的共聚物部分，在环境温度下不溶于二甲苯; C）40-80重量份的乙烯和丙烯或另一种（α） - 烯烃或其组合的共聚物部分，和任选的二烯的少部分，所述馏分含有小于40重量％的乙烯， 在环境温度下溶于二甲苯，其特性粘度为1.5-4dl / g; 相对于总聚烯烃组合物，（B）和（C）级分之和的重量百分比为50％至90％，（B）/（C）重量比低于0.4。

    Process for preparing elastomeric ethylene copolymers
    3.
    发明授权
    Process for preparing elastomeric ethylene copolymers 失效
    制备弹性乙烯共聚物的方法

    公开(公告)号：US5532326A

    公开(公告)日：1996-07-02

    申请号：US341441

    申请日：1994-11-14

    申请人： Tiziano Dall'Occo ,  Floriano Guglielmi ,  Umberto Zucchini, deceased

    发明人： Tiziano Dall'Occo ,  Floriano Guglielmi ,  Umberto Zucchini, deceased

    IPC分类号： C08F4/658 ,  C08F4/60 ,  C08F10/00 ,  C08F10/02 ,  C08F210/02 ,  C08F4/634

    CPC分类号： C08F210/02 ,  Y10S526/901

    摘要： Process for preparing elastomeric copolymers of ethylene with .alpha.-olefins CH.sub.2 .dbd.CHR, optionally containing minor proportions of a diene, characterized by the use during the polymerization of a catalyst comprising the reaction product of:(I) a solid component comprising VCl.sub.3 supported on a magnesium dihalide in spherical or spheroidal shape, in active form;(II) an alkyaluminum compound;(III) optionally a halohydrocarbon.VCl.sub.3 is precipitated on said magnesium dihalide by heating VCl.sub.4 solutions in inert hydrocarbon solvents.

    摘要翻译： 制备乙烯与α-烯烃CH2 = CHR的弹性体共聚物的方法，任选地含有少量的二烯，其特征在于在聚合催化剂期间使用的催化剂，其包含以下反应产物：（I）包含负载在 活性形式的球形或球状二卤化镁; （II）烷基铝化合物; （III）任选的卤代烃。 VCl 3通过在惰性烃溶剂中加热VCl 4溶液沉淀在所述二卤化镁上。

    Propylene polymer composition having good transparency and improved impact resistance
    4.
    发明授权
    Propylene polymer composition having good transparency and improved impact resistance 失效
    丙烯聚合物组合物具有良好的透明性和改善的耐冲击性

    公开(公告)号：US5298561A

    公开(公告)日：1994-03-29

    申请号：US998261

    申请日：1992-09-11

    申请人： Giuliano Cecchin ,  Floriano Guglielmi

    发明人： Giuliano Cecchin ,  Floriano Guglielmi

    IPC分类号： C08L23/02 ,  C08F2/00 ,  C08F4/64 ,  C08F10/06 ,  C08F210/16 ,  C08F297/08 ,  C08L23/00 ,  C08L23/08 ,  C08L23/10 ,  C08L23/14 ,  C08L23/16

    CPC分类号： C08F297/083 ,  C08F10/06 ,  C08L23/142 ,  C08F210/16 ,  C08L2205/02 ,  C08L23/0815 ,  C08L23/14 ,  C08L23/16 ,  C08L2314/02

    摘要： Propylene polymer compositions having good transparency and improved impact resistance at low temperature comprising:a) 70 to 98% by weight crystalline copolymer of ethylene with propylene and/or with an alpha olefin of the formula H.sub.2 C=CHR where R is a C.sub.2-8 linear or branched alkyl radical and b) 2 to 30% by weight of an elastomeric propylene-ethylene copolymer. The portion of said copolymer b) soluble in xylene at room temperature has an intrinsic viscosity (I.V. 2) which satisfies the following relation:0.2.ltoreq.(I.V. 2/I.V. 1).times.(C.sub.2.sup.-).ltoreq.0.6where I.V. 1 is the intrinsic viscosity of the crystalline propylene copolymer, (C.sub.2.sup.-) is the ethylene weight content of b). The ratio between the ethylene weight content in b) and the weight of the xylene soluble portion is equal to or less than 1.5.The compositions are prepared by sequential polymerization of the monomers in the presence of Ziegler-Natta stereospecific catalysts which include a titanium compound supported on a magnesium dihalide in active form.

    摘要翻译： 丙烯聚合物组合物在低温下具有良好的透明性和改善的耐冲击性，包括：a）70-98％（重量）乙烯与丙烯的结晶共聚物和/或与式H2C = CHR的α-烯烃的结晶共聚物，其中R为C2-8直链 或支链烷基，和b）2-30重量％的弹性体丙烯 - 乙烯共聚物。 所述共聚物b）在室温下可溶于二甲苯的部分具有满足以下关系的特性粘度（I.V.2）：0.2 <=（I.V.2 / I.V.1）*（C2-）<= 0.6其中I.V. 1是结晶丙烯共聚物的特性粘度，（C2-）是b）的乙烯重量含量。 b）中的乙烯重量含量与二甲苯可溶部分的重量之比等于或小于1.5。 通过在齐格勒 - 纳塔立体定向催化剂的存在下，通过顺序聚合单体来制备组合物，其包括负载在活性形式的二卤化镁上的钛化合物。

    Impact-resistant polypropylene compositions having improved whitening resistance
    5.
    发明授权
    Impact-resistant polypropylene compositions having improved whitening resistance 失效
    耐冲击聚丙烯组合物具有改善的耐白化性

    公开(公告)号：US4734459A

    公开(公告)日：1988-03-29

    申请号：US907745

    申请日：1986-09-15

    申请人： Giuliano Cecchin ,  Floriano Guglielmi

    发明人： Giuliano Cecchin ,  Floriano Guglielmi

    IPC分类号： C08L23/00 ,  C08F4/60 ,  C08F10/08 ,  C08F110/00 ,  C08F110/06 ,  C08F297/08 ,  C08L23/08 ,  C08L23/12 ,  C08L101/00 ,  C08L23/20

    CPC分类号： C08F297/08 ,  C08L23/12 ,  C08L23/0815 ,  C08L2314/02

    摘要： Disclosed are polypropylene compositions having high impact resistance at low temperatures, and improved whitening resistance. They comprise:(a) 60-90 parts by weight of polypropylene with an isotacticity index >90; and(b) 10-40 parts by weight of an ethylene/butene-1 polymeric mixture containing 50-95% by weight of polymerized ethylene, and consisting essentially of:20-95% by weight of a crystalline fraction (I) with crystallinity of the polyethylene type, that is insoluble in xylene at 23.degree. C.; and5-80% by weight of an ethylene/butene-1 amorphous copolymeric fraction (II), that is soluble in xylene at 23.degree. C., and contains 40-70% by weight of ethylene; and in which the weight ratio between total polymerized ethylene and the amorphous fraction (II) is 0.6-8.Such compositions are obtained by polymerization processes comprising the step of homopolymerizing propylene to stereoregular polymer, and a subsequent step of copolymerizing ethylene/butene-1 mixtures, said steps being effected by Ziegler-Natta stereospecific catalysts, which include a titanium compound carried on a magnesium halide in the active form.

    摘要翻译： 公开了在低温下具有高抗冲击性和改善耐白化性的聚丙烯组合物。 它们包括：（a）60-90重量份的全同立构指数> 90的聚丙烯; 和（b）10-40重量份含有50-95重量％聚合乙烯的乙烯/丁烯-1聚合物混合物，并且基本上由以下组成：20-95重量％的具有结晶度的结晶部分（I） 的聚乙烯型，其在23℃不溶于二甲苯。 和5-80重量％的乙烯/丁烯-1无定形共聚物部分（II），其在23℃下溶于二甲苯，并含有40-70重量％的乙烯; 并且其中总聚合乙烯和无定形部分（II）之间的重量比为0.6-8。 这样的组合物是通过聚合方法获得的，该方法包括将丙烯均匀聚合成立体规则聚合物的步骤，以及随后的乙烯/丁烯-1混合物共聚步骤，所述步骤由齐格勒 - 纳塔立体定向催化剂进行，其包括载于镁上的钛化合物 卤化物为活性物质。

    Plasto-elastic polypropylene compositions
    8.
    发明授权
    Plasto-elastic polypropylene compositions 失效
    塑性弹性聚丙烯组合物

    公开(公告)号：US5302454A

    公开(公告)日：1994-04-12

    申请号：US931127

    申请日：1992-08-17

    申请人： Giuliano Cecchin ,  Floriano Guglielmi

    发明人： Giuliano Cecchin ,  Floriano Guglielmi

    IPC分类号： C08L23/10 ,  C08F2/00 ,  C08F4/02 ,  C08F4/04 ,  C08F4/654 ,  C08F210/02 ,  C08F210/16 ,  C08F297/08 ,  C08L23/08 ,  C08L23/12 ,  C08L23/16

    CPC分类号： C08L23/12 ,  C08F297/083 ,  C08F297/086 ,  C08L23/16 ,  C08L2205/03 ,  C08L2207/02 ,  C08L2207/14 ,  C08L23/0815 ,  C08L2308/00 ,  Y10S526/909 ,  Y10T428/2982

    摘要： Polypropylene compositions having valued plasto-elastic properties, in the form of spheroidal flowable particles with an average diameter included between 500 and 7000 um having the following composition:A) 10-60 parts by weight of homopolymer polypropylene with isotactic index greater than 90, or of crystalline propylene copolymer with ethylene and/or an alpha olefin such as butene-1, pentene-1 or 4-methyl-1-pentene, containing over 85% by weight of propylene and having an isotactic index greater than 85;B) 10-40 parts by weight of a polymer fraction containing ethylene, insoluble in xylene at room temperature;C) 30-60 parts by weight of an amorphous copolymer ethylene-propylene fraction optionally containing small proportions of a diene, soluble in xylene at room temperature and containing 40-70% by weight of ethylene.

    摘要翻译： 具有价值的塑性弹性性能的聚丙烯组合物，呈球形流动颗粒形式，平均直径为500-7,000μm，具有以下组成：A）10-60重量份的全同立构指数大于90的均聚物聚丙烯，或 与乙烯和/或α-烯烃如丁烯-1，戊烯-1或4-甲基-1-戊烯的结晶丙烯共聚物，其含有超过85重量％的丙烯并具有大于85的全同立构指数; B）10-40重量份含有乙烯的聚合物部分，在室温下不溶于二甲苯; C）30-60重量份任选地含有少量二烯的无定形共聚物乙烯 - 丙烯馏分，在室温下可溶于二甲苯并含有40-70重量％的乙烯。