公开(公告)号：US6046287A

公开(公告)日：2000-04-04

申请号：US825660

申请日：1997-04-03

申请人： Maurizio Galimberti ,  Enrico Albizzati

发明人： Maurizio Galimberti ,  Enrico Albizzati

IPC分类号： C08F2/02 ,  C08F2/14 ,  C08F4/60 ,  C08F4/622 ,  C08F4/64 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F210/16 ,  C08F210/18 ,  C08F4/68

CPC分类号： C08F210/18 ,  C08F210/16 ,  Y10S526/902 ,  Y10S526/916

摘要： Elastomeric ethylene/propylene or ethylene/propylene/-polyene copolymers containing small amounts of one or more .alpha.-olefins are prepared by a slurry process wherein the polymerization reaction is carried out in a mixture of liquid propylene and alpha-olefin. Problems due to fouling phenomena in the reactor are avoided.

摘要翻译： 通过淤浆法制备含有少量一种或多种α-烯烃的弹性体乙烯/丙烯或乙烯/丙烯/ - 多烯共聚物，其中聚合反应在液态丙烯和α-烯烃的混合物中进行。 避免了由于反应器中的结垢现象引起的问题。

公开(公告)号：US5723400A

公开(公告)日：1998-03-03

申请号：US603962

申请日：1996-02-20

申请人： Giampiero Morini ,  Enrico Albizzati ,  Giulio Balbontin ,  Giovanni Baruzzi ,  Antonio Cristofori

发明人： Giampiero Morini ,  Enrico Albizzati ,  Giulio Balbontin ,  Giovanni Baruzzi ,  Antonio Cristofori

IPC分类号： C08F4/654 ,  C08F4/60 ,  C08F4/649 ,  C08F10/00 ,  B01J4/60

CPC分类号： C08F10/00

摘要： Process for the preparation of a solid catalyst component for olefins polymerization including (1) a magnesium halide in active form, (2) a titanium compound, and (3) an electron-donor compound selected from particular 1,3-diethers, the process being carried out by reaction between the compounds from (1) to (3), and including at least two additions of electron-donor (3) in the following order: a) one addition prior to or during a reaction with the titanium compound or with a halogenated compound, and then b) one addition prior to or during a further reaction with the titanium compound.

摘要翻译： 制备用于烯烃聚合的固体催化剂组分的方法，包括（1）活性形式的卤化镁，（2）钛化合物和（3）选自特定1,3-二醚的电子给体化合物，该方法 通过来自（1）至（3）的化合物之间的反应进行，并且按以下顺序包括至少两个电子给体（3）的添加：a）在与钛化合物反应之前或期间， 与卤代化合物反应，然后b）在与钛化合物进一步反应之前或期间进行一次加料。

公开(公告)号：US5529850A

公开(公告)日：1996-06-25

申请号：US440282

申请日：1995-05-12

申请人： Giampiero Morini ,  Gianni Pennini ,  Enrico Albizzati ,  Hee J. Yoo

发明人： Giampiero Morini ,  Gianni Pennini ,  Enrico Albizzati ,  Hee J. Yoo

IPC分类号： C08F10/06 ,  C08F110/06 ,  D01F6/06 ,  D01F6/30 ,  D04H1/42 ,  B32B27/00

CPC分类号： D01F6/30 ,  C08F10/06 ,  D01F6/06 ,  D04H1/4291 ,  C08F110/06 ,  Y10T428/31855

摘要： Crystalline propylene polymers having P.I. values lower than or equal to 3.7, and having, at an MFR (Melt Flow Rate) ranging from 600 to 1000 g/10 min., an Mw value from 100,000 to 60,000, and at a MFR ranging from 1000 to 2000 g/10 min., an Mz value higher than or equal to 140,000, are obtained by way of polymerization with specific supported catalysts.

摘要翻译： 具有P.I.的结晶丙烯聚合物 值为3.7以下，MFR（熔体流动速率）为600〜1000g / 10分钟，Mw值为100,000〜60,000，MFR为1000〜2000g / 10 通过与特定负载催化剂的聚合获得高于或等于140,000的Mz值。

公开(公告)号：US5516866A

公开(公告)日：1996-05-14

申请号：US279671

申请日：1994-07-25

申请人： Luigi Resconi ,  Enrico Albizzati ,  Romano Mazzocchi

发明人： Luigi Resconi ,  Enrico Albizzati ,  Romano Mazzocchi

IPC分类号： C08F4/645 ,  C08F4/60 ,  C08F4/64 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/06 ,  C08F210/06 ,  C08F210/16 ,  C08F4/642

CPC分类号： C08F210/06 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/943

摘要： Novel crystalline copolymers of propylene with minor proportions of ethylene and/or alpha-olefins, endowed with very good mechanical properties, a low melting point and a limited solubility in xylene at 25.degree. C., and the process for preparing them by means of the polymerization of mixtures of propylene with ethylene and/or alpha-olefins of suitable composition, by using catalysts obtained from stereorigid and chiral compounds of zirconium, and methylalumoxanic compounds.

摘要翻译： 丙烯与较少比例的乙烯和/或α-烯烃的新型结晶共聚物具有非常好的机械性能，在25℃下具有低熔点和在二甲苯中的溶解度有限的方法，以及通过 通过使用由立体刚性和锆的手性化合物得到的催化剂和甲基铝氧烷化合物，聚合丙烯与乙烯和/或合适组成的α-烯烃的混合物。

公开(公告)号：US5359027A

公开(公告)日：1994-10-25

申请号：US129790

申请日：1993-09-30

申请人： Gabriele Perego ,  Enrico Albizzati

发明人： Gabriele Perego ,  Enrico Albizzati

IPC分类号： C08G63/08 ,  C08G63/78

CPC分类号： C08G63/08

摘要： Polymers and copolymers of L(+) and D(-) lactic acid, with high molecular weight and in the absence of catalysts, are prepared by upgrading low molecular weight polymers in the solid state.

摘要翻译： 通过升级固体状态的低分子量聚合物制备具有高分子量和不存在催化剂的L（+）和D（ - ）乳酸的聚合物和共聚物。

公开(公告)号：US5139985A

公开(公告)日：1992-08-18

申请号：US657927

申请日：1991-02-20

申请人： Pier C. Barbe' ,  Luciano Noristi ,  Gianni Pennini ,  Enrico Albizzati

发明人： Pier C. Barbe' ,  Luciano Noristi ,  Gianni Pennini ,  Enrico Albizzati

IPC分类号： C08F4/654 ,  C08F10/00

CPC分类号： C08F10/00 ,  Y10S526/904

摘要： Catalyst components for the polymerization of olefins comprising a titanium or vanadium compound supported on a porous particulate polymeric support which particles have a porosity greater than 0.3 cc/g and a pore distribution such that at least 40% of the pores have radius greater than 150 .ANG..The catalyst components are prepared by impregnating the polymeric support with a solution of the Ti or V compound and evaporating the solvent.

摘要翻译： 用于聚合烯烃的催化剂组分包括负载在多孔颗粒聚合物载体上的钛或钒化合物，其颗粒具有大于0.3cc / g的孔隙和孔分布，使得至少40％的孔的半径大于150 。 通过用Ti或V化合物的溶液浸渍聚合物载体并蒸发溶剂来制备催化剂组分。

公开(公告)号：US5106807A

公开(公告)日：1992-04-21

申请号：US638289

申请日：1991-01-04

申请人： Giampiero Morini ,  Enrico Albizzati ,  Umberto Giannini ,  Luisa Barino ,  Raimondo Scordamaglia ,  Elisabetta Barbassa

发明人： Giampiero Morini ,  Enrico Albizzati ,  Umberto Giannini ,  Luisa Barino ,  Raimondo Scordamaglia ,  Elisabetta Barbassa

IPC分类号： C08F4/658 ,  C08F4/60 ,  C08F4/649 ,  C08F10/00

CPC分类号： C08F10/00

摘要： Disclosed are solid catalyst components for the polymerization of olefins comprising a titanium halide or titanium alkoxy halide, and an electron-donor compound selected from silicon compounds of the formula ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrocarbyl radicals, supported on a magnesium halide in active form.Also disclosed are catalysts obtained from said catalyst components and from an Al-alkyl compound, as well as catalysts obtained by the reaction of an Al-alkyl compound and a silicon compound of the formula above with a solid catalyst component comprising a titanium halide or halogen alcoholate and an electron-donor compound having specific characteristics of extractability with Al-triethyl, supported on an active magnesium halide.

公开(公告)号：US4971937A

公开(公告)日：1990-11-20

申请号：US413410

申请日：1989-09-27

申请人： Enrico Albizzati ,  Pier C. Barbe ,  Luciano Noristi ,  Raimondo Scordamaglia ,  Luisa Barino ,  Umberto Giannini ,  Giampiero Morini

发明人： Enrico Albizzati ,  Pier C. Barbe ,  Luciano Noristi ,  Raimondo Scordamaglia ,  Luisa Barino ,  Umberto Giannini ,  Giampiero Morini

IPC分类号： C08F4/658 ,  C08F4/60 ,  C08F4/646 ,  C08F4/654 ,  C08F4/659 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06

CPC分类号： C08F10/00 ,  C08F110/06

摘要： Solid catalyst components for the polymerization of olefins and modified with electron-donor compounds, comprising a titanium halide supported on a magnesium dihalide in active form and containing as an electron-donor compound a di- or other polyether having specific reactivity characteristics towards MgCl.sub.2 and TiCl.sub.4.

公开(公告)号：US4695558A

公开(公告)日：1987-09-22

申请号：US713557

申请日：1985-03-19

申请人： Enrico Albizzati ,  Enrico Pettenati ,  Umberto Zucchini ,  Illaro Cuffiani

发明人： Enrico Albizzati ,  Enrico Pettenati ,  Umberto Zucchini ,  Illaro Cuffiani

IPC分类号： C08F4/00 ,  C08F4/60 ,  C08F4/64 ,  C08F4/658 ,  C08F10/00 ,  C08F10/02 ,  C08F210/00 ,  C08F210/16

CPC分类号： C08F10/00

摘要： Disclosed are catalysts for the polymerization of ethylene and of mixtures thereof with olefins, comprising the product obtained by reacting the following components:(a) an Al-alkyl compound;(b) an electron-donor compound containing at least a nitrogen atom, said compound being reactive towards MgCl.sub.2, but not towards Al-triethyl; and(c) the reaction product between a titanium compound containing at least a titanium-halogen bond and an anhydrous magnesium halide.The obtained (co)polymers have a very narrow molecular weight distribution which renders them particularly suitable for some applications, such as injection molding.

摘要翻译： 公开了用于乙烯及其与烯烃的混合物的聚合的催化剂，其包括通过使以下组分反应获得的产物：（a）Al-烷基化合物; （b）至少含有氮原子的电子给体化合物，所述化合物对MgCl 2是反应性的，但不对三乙基铝反应; 和（c）至少含有钛 - 卤素键的钛化合物与无水卤化镁之间的反应产物。 获得的（共）聚合物具有非常窄的分子量分布，使得它们特别适用于一些应用，例如注射成型。

公开(公告)号：US4522930A

公开(公告)日：1985-06-11

申请号：US465594

申请日：1983-02-10

申请人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

发明人： Enrico Albizzati ,  Sandro Parodi ,  Pier C. Barbe

IPC分类号： C08F4/00 ,  C08F4/02 ,  C08F4/60 ,  C08F4/64 ,  C08F4/658 ,  C08F10/00

CPC分类号： C08F10/00

摘要： Catalysts for the polymerization of alpha-olefins, which comprise the product of the reaction between:(a) a metalorganic compound of Al;(b) an electron-donor compound reactive towards MgCl.sub.2 but which is not completely complexed with AlEt.sub.3, at the equivalent point of a potentiometric titration under standard conditions;(c) a solid comprising a halogenated Ti compound and an electron-donor belonging to particular classes of compounds and being extractable with AlEt.sub.3 for at least 70% by mols from the solid, the surface area of which after extraction is higher than 20 m.sup.2 /g.The present invention refers to new supported components of catalysts for the polymerization of olefins CH.sub.2 .dbd.CHR, in which R is an alkyl with 1-14 carbon atoms or an aryl, and of mixtures of such olefins with each other and/or with ethylene, and to the catalysts obtained from such components.

摘要翻译： 用于α-烯烃聚合的催化剂，其包括以下反应的产物：（a）Al的金属有机化合物; （b）在标准条件下在电位滴定的等效点处，与MgCl 2反应但不与AlEt3完全络合的电子给体化合物; （c）包含卤化Ti化合物和属于特定类别化合物的电子给体的固体，并且可与AlEt3一起从固体中提取至少70％的摩尔数，其提取后的表面积高于20m 2 / G。 本发明涉及用于烯烃CH 2 = CHR（其中R是具有1-14个碳原子的烷基或芳基）和这些烯烃与彼此和/或与乙烯的混合物的聚合的催化剂的新的负载组分， 和由这些组分获得的催化剂。