公开(公告)号：US5596052A

公开(公告)日：1997-01-21

申请号：US622566

申请日：1996-03-25

申请人： Luigi Resconi ,  Enrico Albizzati

发明人： Luigi Resconi ,  Enrico Albizzati

IPC分类号： C08F4/60 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F8/00 ,  C08F10/06 ,  C08F110/06 ,  C08F4/64

CPC分类号： C08F110/06 ,  C08F4/65927 ,  C08F4/65912 ,  Y10S526/943

摘要： Amorphous propylene polymers are disclosed having the following characteristics:(a) intrinsic viscosity [.eta.]>1 d1/g;(b) %(r)-%(m)>0, wherein % (r) is the % of syndiotactic diads and %(m) is the % of isotactic diads;(c) less than 2% of the CH.sub.2 groups contained in sequences (CH.sub.2).sub.n, with n.gtoreq.2;(d) Bernoullianity index (B)=1.+-.0.2.These propylene polymers, which are in addition endowed with a narrow molecular weight distribution, can be obtained directly from the polymerization reaction of propylene as sole product and, therefore, do not require to be separated.

摘要翻译： 公开了无定形丙烯聚合物，其具有以下特性：（a）特性粘度η1d1/ g; （b）％（r） - ％（m）> 0，其中％（r）是间同立构二价的％，％（m）是全同立构二价的％ （c）小于2％的序列（CH2）n中所含的CH2基团，其中n≥2; （d）伯努利亚指数（B）= 1 +/- 0.2。 另外具有窄分子量分布的丙烯聚合物可以直接从丙烯作为单一产物的聚合反应获得，因此不需要分离。

公开(公告)号：US5585317A

公开(公告)日：1996-12-17

申请号：US500032

申请日：1995-07-10

申请人： Mario Sacchetti ,  Gianni Pennini ,  Illaro Cuffiani

发明人： Mario Sacchetti ,  Gianni Pennini ,  Illaro Cuffiani

IPC分类号： C08F4/02 ,  C08F4/60 ,  C08F4/654 ,  C08F10/00 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  B01J31/00

CPC分类号： C08F10/00

摘要： The present invention relates to spherical solid components of catalysts for the polymerization of olefins comprising, supported on a magnesium dihalide in active form, a titanium compound containing at least one Ti-halogen bond and one OR group, said OR group being bonded to Ti in an amount such that the OR/Ti molar ratio is greater than or equal to 0.5; optionally the component also comprises an electron donor compound. The spherical solid components of the invention are characterized by having a porosity comprised between 0.35 and 0.7 cm.sup.3 /g and by a pore size distribution such that at least 50% of the porosity is due to pores having an average radius greater than 800 .ANG..

摘要翻译： 本发明涉及用于烯烃聚合的催化剂的球形固体组分，其包括负载在活性形式的二卤化镁上，含有至少一个Ti-卤素键的钛化合物和一个OR基团，所述OR基团与Ti键合 使OR / Ti摩尔比大于或等于0.5的量; 任选地，组分还包含电子给体化合物。 本发明的球形固体组分的特征在于具有0.35-0.7cm 3 / g的孔隙率和孔径分布，使得至少50％的孔隙率是由于平均半径大于800的孔。

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。

公开(公告)号：US06156821A

公开(公告)日：2000-12-05

申请号：US179617

申请日：1998-10-27

申请人： Iuri Cantarini

发明人： Iuri Cantarini

IPC分类号： C08J3/20 ,  B01F5/04 ,  B01F5/10 ,  B01F13/02 ,  B29B9/16 ,  C09D7/80 ,  C08K9/00

CPC分类号： B29B9/16 ,  B01F13/0227 ,  B01F5/0403 ,  B01F5/10

摘要： Blends can be obtained from polymers in particle form and powdery additives of higher melting point by heating the polymer particles so as to create a molten layer on their surface and forcing the powdery particles into said layer. After cooling, components of even very different density and morphology result inseparable. The process can be performed in a gas-loop, wherein the polymer and the additives are dragged by a hot gas flow.

摘要翻译： 混合物可以通过加热聚合物颗粒从颗粒形式的聚合物和较高熔点的粉末状添加剂中获得，从而在其表面上形成熔融层并迫使粉末颗粒进入所述层。 冷却后，密度和形态分布甚至非常不均匀的成分是不可分割的。 该方法可以在气体回路中进行，其中聚合物和添加剂被热气流拖动。

公开(公告)号：US6107431A

公开(公告)日：2000-08-22

申请号：US15128

申请日：1998-01-29

申请人： Luigi Resconi ,  Fabrizio Piemontesi ,  Lin-Chen Yu

发明人： Luigi Resconi ,  Fabrizio Piemontesi ,  Lin-Chen Yu

IPC分类号： C07F17/00 ,  C07C13/465 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/64 ,  C08F4/642 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06

CPC分类号： C08F110/06 ,  C07C13/465 ,  C08F10/00 ,  C07C2102/08 ,  C08F4/61912 ,  C08F4/61925 ,  Y10S526/904 ,  Y10S526/943

摘要： Fractionable, reactor blend polypropylenes, directly obtainable from the polymerization reaction of propylene, having:(a) content of isotactic pentads (mmmm) comprised between 25 and 85%;(b) ratio M.sub.w /M.sub.n

摘要翻译： 可直接从丙烯聚合反应获得的可分离的反应器共聚聚丙烯，其具有：（a）全同立构五单元组的含量（mmmm）为25-85％; （b）比Mw / Mn <5; 含有10至70重量％的可溶于沸腾二乙醚的级分，所述级分具有5至25％的全同立构五单元组（mmmm）含量和30至90重量％的沸腾正庚烷 - 公开了在135℃下可溶于二甲苯的不溶性部分，所述具有50〜99％的全同立构五单元组（mmmm）的馏分。 这些聚合物适合作为热塑性弹性材料。 还公开了制备这些聚合物的方法和制备2-芳基取代的茚基金属茂配体的方法。

公开(公告)号：US06051728A

公开(公告)日：2000-04-18

申请号：US599483

申请日：1996-01-23

申请人： Luigi Resconi ,  Fabrizio Piemontesi ,  Ilya E. Nifant'ev ,  Pavel V. Ivchenko

发明人： Luigi Resconi ,  Fabrizio Piemontesi ,  Ilya E. Nifant'ev ,  Pavel V. Ivchenko

IPC分类号： C07F7/00 ,  C07F17/00 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C07F9/00 ,  C07F11/00

CPC分类号： C08F10/06 ,  C07F17/00 ,  C08F10/00 ,  C08F110/06 ,  C08F210/06 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/943

摘要： A class of metallocene compounds having two substituted cyclopentadienyl rings bridged by an alkylidene group wherein the cyclopentadienyl groups can be indenyl groups. The metallocene compounds have the following structures: ##STR1## The metallocenes are characterized by three principal features: (i) the cyclopentadienyl groups are substituted at the 3-position with a substituent other than hydrogen, while R.sup.2 in the 2-position bears a hydrogen (formula (I)) or is part of a condensed benzene ring (formula (II)); (ii) the bridge is a substituted-methylene bridge, i.e. a methylene group bearing at least one substituent other than hydrogen (R.sup.6 is always different from hydrogen); and (iii) the cyclopentadienyl groups are identically substituted (page 2, line 23). These metallocene compounds can be suitably used as catalyst components for the polymerization of olefins. In particular, by polymerizing propylene in the presence of a catalyst based on these metallocene compounds, polymers having very high isotactic indexes, high molecular weights, and narrow molecular weight distributions can be obtained in high yields. A process for preparing the metallocenes from the corresponding organic ligands is also disclosed.

摘要翻译： 一类具有由亚烷基桥连的取代环戊二烯基环的茂金属化合物，其中环戊二烯基可以是茚基。 茂金属化合物具有以下结构：金属茂的特征在于三个主要特征：（i）环戊二烯基在3位被氢以外的取代基取代，而2-位的R2带有氢（式（式 I））或是稠合苯环的一部分（式（II））; （ii）桥是取代的亚甲基桥，即具有除氢之外的至少一个取代基的亚甲基（R6总是不同于氢）; 和（iii）环戊二烯基相同取代（第2页，第23行）。 这些茂金属化合物可以适合用作烯烃聚合的催化剂组分。 特别地，通过在基于这些茂金属化合物的催化剂的存在下聚合丙烯，可以高产率获得具有非常高的全同立构指数，高分子量和窄分子量分布的聚合物。 还公开了从相应的有机配体制备金属茂的方法。

公开(公告)号：US6010772A

公开(公告)日：2000-01-04

申请号：US747913

申请日：1996-11-12

申请人： Gianni Perdomi ,  Claudio Cometto ,  Emanuele Burgin

发明人： Gianni Perdomi ,  Claudio Cometto ,  Emanuele Burgin

IPC分类号： B32B27/32 ,  C08L23/08 ,  C08L23/14 ,  C08L23/16 ,  B32B7/02

CPC分类号： C08L23/0815 ,  B32B27/32 ,  C08L23/16 ,  C08L2207/02 ,  C08L2207/14 ,  C08L23/14 ,  C08L23/142 ,  Y10T428/24942 ,  Y10T428/2495 ,  Y10T428/24992 ,  Y10T428/265 ,  Y10T428/31913

摘要： Stretchable multilayer films in which at least one layer (A) thereof comprises a copolymer (I) of ethylene with one or more .alpha.-olefins CH.sub.2 .dbd.CHR, having a density of between 0.88 and 0.945 g/cm.sup.3, a melt index of from 0.1 to 10 g/10' and containing up to 20 mol % of .alpha.-olefin CH.sub.2 .dbd.CHR (LLDPE), and at least one layer (B) comprises a heterophasic polyolefin composition having:(a) 20-100 parts by weight of a fraction which is insoluble in xylene at room temperature, comprising a propylene homopolymer or a copolymer of propylene with ethylene and/or another .alpha.-olefin CH.sub.2 .dbd.CHR.sup.I, this fraction containing more than 85% by weight of units derived from propylene; and (b) 30-80 parts by weight of a fraction which is soluble in xylene at room temperature, comprising an amorphous copolymer of ethylene with propylene and/or another .alpha.-olefin CH.sub.2 .dbd.CHR.sup.I, this fraction optionally containing smaller proportions of a diene and containing more than 15% by weight of units derived from ethylene.

摘要翻译： 可拉伸多层膜，其中至少一层（A）包含乙烯与一种或多种α-烯烃CH 2 = CHR的共聚物（I），密度为0.88-0.945g / cm 3，熔体指数为0.1 至10g / 10'，并含有至多20mol％的α-烯烃CH 2 = CHR（LLDPE），并且至少一层（B）包含多相聚烯烃组合物，其具有：（a）20-100重量份的 包含丙烯均聚物或丙烯与乙烯和/或另一种α-烯烃CH2 = CHRI的共聚物的馏分，该馏分含有大于85重量％的衍生自丙烯的单元; 和（b）30-80重量份在室温下可溶于二甲苯的级分，其包含乙烯与丙烯和/或另一种α-烯烃CH 2 = CHRI的无定形共聚物，该级分任选地含有较少比例的二烯 并含有大于15重量％的衍生自乙烯的单元。

公开(公告)号：US5948867A

公开(公告)日：1999-09-07

申请号：US177769

申请日：1998-10-23

申请人： Cheryl L. Abhau

发明人： Cheryl L. Abhau

IPC分类号： B29C59/02 ,  B29K23/00 ,  B29L7/00 ,  C08J5/18 ,  C08L23/08 ,  C08L23/10 ,  C08L23/16 ,  C08L53/00 ,  C08L23/12 ,  C08L23/26

CPC分类号： C08L23/16 ,  C08L23/10 ,  C08L2205/02 ,  C08L23/0815 ,  C08L2312/00 ,  C08L53/00

摘要： Embossed sheets having improved grain retention can be made from a polyolefin composition containing a propylene polymer material and a partially crosslinked thermoplastic olefin elastomer composition that includes (1) 20-80 parts by weight of a thermoplastic elastomer containing (a) from 20 to 70% of a propylene homopolymer having an isotactic index greater than 90, or a crystalline propylene copolymer with ethylene and/or a 4-8 C alpha-olefin having a polymerized propylene content greater than 85% and an isotactic index of greater than 85%; (b) from 30 to 75% of an amorphous ethylene-propylene or ethylene-butane-1 copolymer, which is xylene soluble at room temperature and contains from 30 to 70% polymerized ethylene, and (c) from 3 to 30% of a semi-crystalline ethylene-propylene or ethylene-butene-1 copolymer that is xylene insoluble at room temperature and contains greater than 90% polymerized ethylene, and (2) 80-20 parts by weight of an ethylene/propylene/diene terpolymer rubber containing 1 to 10% of a polymerized diene and 30 to 70% polymerized ethylene. Large parts such as automobile door and instrument panels can be formed from these sheets.

摘要翻译： 具有改善的颗粒保留性的压花片可以由含有丙烯聚合物材料和部分交联的热塑性烯烃弹性体组合物的聚烯烃组合物制成，该组合物包括（1）20-80重量份的含有（a）20至70重量％ 具有大于90的全同立构指数的丙烯均聚物或具有聚合丙烯含量大于85％和全同立构指数大于85％的乙烯和/或4-8Cα-烯烃的结晶丙烯共聚物; （b）30至75％的无定形乙烯 - 丙烯或乙烯 - 丁烷-1共聚物，其在室温下为二甲苯可溶，含有30至70％的聚合乙烯，和（c）3-30％的 半结晶乙烯 - 丙烯或乙烯 - 丁烯-1共聚物，其在室温下不溶于二甲苯并含有大于90％的聚合乙烯，和（2）80-20重量份的乙烯/丙烯/二烯三元共聚物橡胶，其含有1 至10％的聚合二烯和30至70％聚合的乙烯。 大型零件如汽车门和仪表板可由这些板形成。

公开(公告)号：US5849653A

公开(公告)日：1998-12-15

申请号：US503948

申请日：1995-07-19

申请人： Tiziano Dall'Occo ,  Maurizio Galimberti ,  Luigi Resconi ,  Enrico Albizzati ,  Gianni Pennini

发明人： Tiziano Dall'Occo ,  Maurizio Galimberti ,  Luigi Resconi ,  Enrico Albizzati ,  Gianni Pennini

IPC分类号： C08F4/642 ,  C08F4/64 ,  C08F4/648 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/02 ,  C08F10/06 ,  C08F110/02 ,  C08F110/06 ,  C08F210/16

CPC分类号： C08F10/00 ,  C08F10/02 ,  C08F10/06 ,  C08F110/02 ,  C08F110/06 ,  C08F210/16 ,  C08F4/65912 ,  C08F4/65922 ,  Y10S526/943

摘要： Catalysts for the polymerization of olefins are disclosed, which comprise the reaction product of: (A) a bridged and/or substituted cyclopentadienyl compound of titanium, zirconium or hafnium; (B) an organometallic aluminum compound of the formula (II): Al(CH.sub.2 --CR.sup.4 R.sup.5 R.sup.6).sub.w R.sup.7.sub.y H.sub.z(II) wherein in the (CH.sub.2 --CR.sup.4 R.sup.5 R.sup.6) groups, which are the same or different, R.sup.4 is an alkyl, alkenyl or arylalkyl group having from 1 to 10 carbon atoms, R.sup.5 is an alkyl, alkenyl, aryl, arylalkyl or alkylaryl group having from 3 to 50 carbon atoms which is different from a straight alkyl or alkenyl group and, optionally, R.sup.4 and R.sup.5 fused together can form a ring having from 4 to 6 carbon atoms, R.sup.6 is hydrogen or an alkyl, alkenyl or arylalkyl group having from 1 to 10 carbon atoms, the R.sup.7 substituents, same or different, are alkyl, alkenyl, aryl, arylalkyl or alkylaryl radicals containing from 1 to 10 carbon atoms and, optionally, can contain Si or Ge atoms, w is 1, 2 or 3, z is 0 or 1, y=3-w-z; and (C) water. The molar ratio aluminum/water is comprised between 1:1 and 100:1. These catalysts show an improved activity with respect to known catalysts wherein an aluminum compound different from those of the above formula is used.

摘要翻译： 公开了用于烯烃聚合的催化剂，其包含以下反应产物：（A）钛，锆或铪的桥连和/或取代的环戊二烯基化合物; （B）式（II）的有机金属铝化合物：Al（CH2-CR4R5R6）wR7yHz（Ⅱ）其中在相同或不同的（CH2-CR4R5R6）基团中，R4是烷基，烯基或芳基烷基 具有1至10个碳原子，R 5是具有3至50个碳原子的烷基，烯基，芳基，芳基烷基或烷基芳基，其不同于直链烷基或烯基，并且任选地，R 4和R 5稠合在一起可以形成 具有4至6个碳原子的环，R 6是氢或具有1至10个碳原子的烷基，链烯基或芳基烷基，相同或不同的R 7取代基是含1个碳原子的烷基，烯基，芳基，芳烷基或烷芳基 至10个碳原子，并且任选地可以含有Si或Ge原子，w是1,2或3，z是0或1，y = 3-wz; 和（C）水。 铝/水的摩尔比为1:1至100:1。 这些催化剂相对于已知的催化剂显示出改善的活性，其中使用与上式不同的铝化合物。

公开(公告)号：US5834562A

公开(公告)日：1998-11-10

申请号：US512674

申请日：1995-08-08

申请人： Rosanna Silvestri ,  Luigi Resconi ,  Anteo Pelliconi

发明人： Rosanna Silvestri ,  Luigi Resconi ,  Anteo Pelliconi

IPC分类号： C08J5/18 ,  C08L23/00 ,  C08L23/10 ,  C08L23/12

CPC分类号： C08J5/18 ,  C08L23/10 ,  C08J2323/10 ,  C08L2205/02 ,  C08L2207/12 ,  C08L2207/14

摘要： Thermoplastic polymer compositions are disclosed which comprise the following components: (A) 1 to 99% by weight of an amorphous propylene polymer having the following characteristics: �.eta.!>1 dl/g, % of syndiotactic dyads (r)-% of isotactic dyads (m)>0, less than 2% of the CH.sub.2 groups contained in (CH.sub.2).sub.n sequences wherein n.gtoreq.2, Bernoullianity index=1.+-.0.2; and (B) 1 to 99% by weight of a propylene polymer having an essentially syndiotactic structure, optionally containing from 0.1 to 30% by moles of units deriving from .alpha.-olefins of formula CH.sub.2 .dbd.CHR in which R is an hydrogen atom or an alkyl group having from 2 to 10 carbon atoms. The compositions of the invention are endowed with good elasto-mechanical properties and are suitable for the production of low-temperature-heat-sealing films.

摘要翻译： 公开了热塑性聚合物组合物，其包含以下组分：（A）1至99重量％的具有以下特征的无定形丙烯聚合物：ηdl / g，间同立构二元组的百分比（r） - 全同立构的％ （CH 2）n序列中包含的CH 2基团的二（m）> 0，小于2％，其中n≥2，伯努利亚指数= 1 +/- 0.2; 和（B）1至99重量％的具有基本间同立构结构的丙烯聚合物，任选地含有0.1至30摩尔％的衍生自式R 2 = CHR的α-烯烃的单元，其中R是氢原子或 具有2至10个碳原子的烷基。 本发明的组合物具有良好的弹性机械性能，适用于生产低温热封膜。