公开(公告)号：US06355758B1

公开(公告)日：2002-03-12

申请号：US08473006

申请日：1995-06-07

申请人： Luigi Resconi ,  Enrico Albizzati ,  Romano Mazzocchi

发明人： Luigi Resconi ,  Enrico Albizzati ,  Romano Mazzocchi

IPC分类号： C08F1004

CPC分类号： C08F210/06 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/943 ,  C08F2500/17 ,  C08F210/08

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° 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：US5142005A

公开(公告)日：1992-08-25

申请号：US133055

申请日：1987-12-15

申请人： Enrico Albizzati ,  Umberto Giannini ,  Giovanni Giunchi ,  Romano Mazzocchi ,  Luigi Resconi

发明人： Enrico Albizzati ,  Umberto Giannini ,  Giovanni Giunchi ,  Romano Mazzocchi ,  Luigi Resconi

IPC分类号： C08F12/08 ,  C08F4/60 ,  C08F4/64 ,  C08F4/642 ,  C08F4/6592 ,  C08F12/00 ,  C08F12/04

CPC分类号： C08F12/04 ,  C08F10/00 ,  C08F12/08 ,  Y10S526/941

摘要： A process for the production of primarily syndiotactic vinyl aromatic polymers by polymerizing or copolymerizing vinyl aromatic monomers such as styrene or styrene derivatives in the presence of a catalyst system comprising the product of the reaction between:a) a compound of a transition metal (M) different from titanium and containing at least a bond M-O, M-C, M-N, M-P, M-S or M-halogen, andb) an organoaluminum compound containing at least an oxygen atom bound to the aluminum atom or bound between two aluminum atoms.Compound a) can be used as such or may be supported on a suitable carrier.

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：US5369186A

公开(公告)日：1994-11-29

申请号：US790630

申请日：1991-11-12

申请人： Maurizio Galimberti ,  Umberto Giannini ,  Romano Mazzocchi ,  Enrico Albizzati ,  Umberto Zucchini

发明人： Maurizio Galimberti ,  Umberto Giannini ,  Romano Mazzocchi ,  Enrico Albizzati ,  Umberto Zucchini

IPC分类号： C08F8/00 ,  C08F8/12 ,  C08F8/26 ,  C08F10/00 ,  C08F210/00 ,  C08F210/06 ,  C08F210/16 ,  C08F214/16 ,  C08F226/06

CPC分类号： C08F210/00 ,  C08F210/06 ,  C08F210/16

摘要： Disclosed are polymers and copolymers of CH.sub.2 .dbd.CHR alpha olefins where R is hydrogen or a 1-6 carbon atom alkyl radical, containing in the chain from 0.1 to 40 mole % of monomeric units ##STR1## where X is selected from the group consisting of (CH.sub.2).sub.r CH.sub.2 CH.sub.2 Y ##STR2## where r=0-10, Y is a halogen atom, R.sup.1 is a hydrocarbon radical with 1-18 carbon atoms.

摘要翻译： 公开了CH2 =CHRα烯烃的聚合物和共聚物，其中R是氢或1-6个碳原子的烷基，其中链中含有0.1至40摩尔％的单体单元，其中X选自 （CH2）rCH2CH2Y CH2）rCHCH2（CH2）r + 2OCOR1（CH2）r + 2OR1（CH2）r + 2CH（COOR1）2（CH2）r + 2OH（CH2）r + 2CH2COOH 其中r = ，Y是卤素原子，R1是具有1-18个碳原子的烃基。

公开(公告)号：US5196496A

公开(公告)日：1993-03-23

申请号：US721049

申请日：1991-06-26

申请人： Maurizio Galimberti ,  Enrico Albizzati ,  Romano Mazzocchi

发明人： Maurizio Galimberti ,  Enrico Albizzati ,  Romano Mazzocchi

IPC分类号： C08F4/642 ,  C08F4/60 ,  C08F4/659 ,  C08F4/6592 ,  C08F8/00 ,  C08F210/06

CPC分类号： C08F210/06 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/901

摘要： Essentially syndiotactic crystalline copolymers of propylene with minor proportions of 1-butene, endowed with good mechanical properties, lowered melting point and limited solubility in xylene at 25.degree. C. and the process for their preparation by polymerizing mixtures of propylene with 1-butene, by using catalysts obtained form stereorigid and chiral zirconium and hafnium compounds and from polymethylalumoxane compounds.

公开(公告)号：US06664351B1

公开(公告)日：2003-12-16

申请号：US09603139

申请日：2000-06-23

申请人： Tiziano Dall'Occo ,  Luigi Resconi ,  Giulio Balbontin ,  Enrico Albizzati

发明人： Tiziano Dall'Occo ,  Luigi Resconi ,  Giulio Balbontin ,  Enrico Albizzati

IPC分类号： C08F442

CPC分类号： C08F210/16 ,  C08F4/61912 ,  C08F4/61916 ,  C08F4/61927 ,  C08F10/02 ,  C08F110/02 ,  C08F210/02 ,  C08F210/18 ,  Y10S526/943 ,  C08F2500/07 ,  C08F210/08 ,  C08F2500/12 ,  C08F232/00 ,  C08F2500/25 ,  C08F210/14 ,  C08F2500/17 ,  C08F236/00

摘要： Ethylene copolymers are prepared with comonomers selected from: (a) &agr;-olefins, (b) cycloolefins and (c) polyenes, with a content of ethylene units of between 80 and 99 mol %, a content of units derived from &agr;-olefin, cycloolefin and/or polyene comonomers of between 1 and 20 mol %, characterized in that: (a) in TREF (Temperature Rising Elution Fractionation) analysis, a quantity equal to at least 90% by weight of the copolymer is eluted within a temperature interval of less than 50° C., and (b) Mw/Mn>3, where Mw is the weight-average molecular weight and Mn is the number-average molecular weight, both determined by means of GPC.

摘要翻译： 乙烯共聚物由选自以下的共聚单体制备：（a）α-烯烃，（b）环烯烃和（c）多烯，乙烯单元含量为80-99摩尔％，衍生自α-烯烃的单元含量， 环烯烃和/或多烯共聚单体为1至20摩尔％，其特征在于：（a）在TREF（升温洗脱分级）分析中，等于至少90重量％的共聚物的量在温度间隔 小于50℃，和（b）Mw / Mn> 3，其中Mw是重均分子量，Mn是数均分子量，均通过GPC测定。

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：US5049535A

公开(公告)日：1991-09-17

申请号：US471901

申请日：1990-01-30

申请人： Luigi Resconi ,  Umberto Giannini ,  Enrico Albizzati

发明人： Luigi Resconi ,  Umberto Giannini ,  Enrico Albizzati

IPC分类号： C08F4/60 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00

CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65922 ,  Y10S526/943

摘要： Catalysts for the polymerization of olefins, obtained from special zirconocenic compounds and from alkyl-Al compounds.

公开(公告)号：US6160071A

公开(公告)日：2000-12-12

申请号：US876864

申请日：1997-06-16

申请人： Maurizio Galimberti ,  Luigi Resconi ,  Enrico Albizzati

发明人： Maurizio Galimberti ,  Luigi Resconi ,  Enrico Albizzati

IPC分类号： C08F4/642 ,  C08F4/42 ,  C08F4/60 ,  C08F10/00 ,  C08F210/16 ,  C08F210/18 ,  C08J5/00 ,  C08F10/04

CPC分类号： C08F210/16 ,  Y10S526/943 ,  C08F2/14 ,  C08F210/18 ,  C08F2500/03 ,  C08F2500/08 ,  C08F2500/17 ,  C08F2500/20 ,  C08F2500/21 ,  C08F210/08

摘要： Amorphous copolymers of ethylene with .alpha.-olefins and optionally minor amounts of polyenes are disclosed, having the following characteristics:(A) the % by mole content of .alpha.-olefin in the copolymer (%.alpha.) and the ratio between the molar amount of .alpha.-olefin diads and the molar content of .alpha.-olefin in the copolymer (.alpha..alpha./.alpha.) satisfy the following relationship:(%.alpha.)-250(.alpha..alpha./.alpha.).gtoreq.10(B) less than 2% of the CH.sub.2 groups in the polymeric chain are in sequences (CH.sub.2).sub.n, wherein n is an even number.These copolymers are obtainable by operating in the presence of particular metallocene-based catalysts having two fluorenyl groups joined together through a bridging group.

摘要翻译： 公开了乙烯与α-烯烃和任选的少量多烯的无定形共聚物，具有以下特征：（A）共聚物中α-烯烃的摩尔％摩尔比（％α）和α的摩尔量之比 α-烯烃二烷基和α-烯烃在共聚物中的摩尔含量（αα/α）满足以下关系：（％α）-250（αα/α）> / = 10（B）小于 聚合物链中的CH 2基团是（CH 2）n序列，其中n是偶数。 这些共聚物可通过在具有通过桥连基团连接在一起的两个芴基的特定茂金属基催化剂存在下操作而获得。

公开(公告)号：US5391672A

公开(公告)日：1995-02-21

申请号：US70648

申请日：1993-06-01

申请人： Enrico Albizzati ,  Luigi Resconi ,  Adolfo Zambelli

发明人： Enrico Albizzati ,  Luigi Resconi ,  Adolfo Zambelli

IPC分类号： B67B20060101 ,  C08F110/08 ,  C08F110/14 ,  C08F210/14 ,  C08F210/08

CPC分类号： C08F110/08 ,  C08F110/14

摘要： Syndiotactic polymers of alpha-olefins selected from the group consisting of 1-butene, 4-methyl-1-pentene and 4-methyl-1-hexene and a method of preparation thereof by polymerizing said olefins with catalysts obtained from specific Zr or Hf cyclopentadienyl compounds and aluminoxane compounds.

摘要翻译： 选自1-丁烯，4-甲基-1-戊烯和4-甲基-1-己烯的α-烯烃的间同立构聚合物及其制备方法通过将特定的Zr或Hf环戊二烯 化合物和铝氧烷化合物。