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：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。

公开(公告)号：US06172172B2

公开(公告)日：2001-01-09

申请号：US09437383

申请日：1999-11-10

申请人： Emanuele Burgin ,  Gianni Perdomi ,  Claudio Cometto

发明人： Emanuele Burgin ,  Gianni Perdomi ,  Claudio Cometto

IPC分类号： C08F1004

CPC分类号： C08L23/0815 ,  C08F110/06 ,  C08F210/06 ,  C08F210/16 ,  C08L23/10 ,  C08L23/12 ,  C08L23/14 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/035 ,  C08L2207/02 ,  C08L2666/02 ,  C08F2500/12 ,  C08F2500/11 ,  C08F2500/15 ,  C08F2500/07 ,  C08F210/08 ,  C08L2666/04

摘要： Polyolefin compositions obtained by mixing: (A) A heterogeneous polyolefin composition itself comprising a fraction (A1) which is insoluble in xylene and a fraction (A2) which is soluble in xylene; (B) a polyolefin composition comprising a low density ethylene copolymer (B1) and a propylene copolymer (B2) of relatively high insolubility in xylene; and, optionally, (C) a branched propylene polymer. The films obtained with the said compositions show improved mechanical properties and impact strength when compared with polyethylene-based films.

摘要翻译： 通过混合获得的聚烯烃组合物：（A）包含不溶于二甲苯的级分（A1）和可溶于二甲苯的级分（A2）的非均相聚烯烃组合物本身，（B）包含低密度乙烯共聚物 B1）和在二甲苯中相对高的不溶性的丙烯共聚物（B2） 和（C）支链丙烯聚合物。与聚乙烯基膜相比，用所述组合物获得的膜显示出改进的机械性能和冲击强度。

公开(公告)号：US06211295B1

公开(公告)日：2001-04-03

申请号：US09140851

申请日：1998-08-27

申请人： Emanuele Burgin ,  Claude Palate ,  Pierre Coosemans

发明人： Emanuele Burgin ,  Claude Palate ,  Pierre Coosemans

IPC分类号： C08F800

CPC分类号： C08L23/12 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/02 ,  C08L2666/02

摘要： Polyolefin compositions comprising: A) a heterogeneous polyolefin composition itself comprising a fraction (A1) which is insoluble in xylene at room temperature and a fraction (A2) which is soluble in xylene at room temperature; and B) a branched propylene polymer. The said compositions are particularly processable when used in the process for the preparation of blown films. The films obtained by the said process are moreover characterized by excellent mechanical properties.

摘要翻译： 聚烯烃组合物，其包含：A）异构聚烯烃组合物本身，其包含在室温下不溶于二甲苯的级分（A1）和在室温下可溶于二甲苯的馏分（A2）; 和B）支化丙烯聚合物。当用于制备吹塑薄膜的方法中时，所述组合物是特别可加工的。 通过所述方法获得的膜的特征还在于具有优异的机械性能。

公开(公告)号：US5902848A

公开(公告)日：1999-05-11

申请号：US811308

申请日：1997-03-04

申请人： Emanuele Burgin ,  Nello Pasquini

发明人： Emanuele Burgin ,  Nello Pasquini

IPC分类号： B65D65/02 ,  B29C47/00 ,  B29L7/00 ,  B32B15/08 ,  C08J5/18 ,  C08J7/04 ,  C08K3/00 ,  C08L23/00 ,  C08L23/10 ,  C08J5/10 ,  C08K3/34

CPC分类号： C08J5/18 ,  C08K3/0033 ,  C08J2323/12

摘要： Disclosed are polyolefin films suitable for packaging having Elmendorf values lower than 0.8N in both machine direction and cross direction are obtained from compositions comprising (percentages by weight):A) from 70% to 90% of a polyolefin matrix containing 30% of one or more crystalline propylene homopolymers and/or copolymers having a flexural modulus greater than or equal to 1800 MPa;B) from 10% to 30% of one or more mineral fillers.

摘要翻译： 公开了适用于在机器方向和横向方向上具有低于0.8N的Elmendorf值的包装的聚烯烃膜，其由包含（重量百分比）的组合物获得：A）70％至90％的含30％ 具有大于或等于1800MPa的弯曲模量的更多的结晶丙烯均聚物和/或共聚物; B）10％至30％的一种或多种矿物填料。

公开(公告)号：US5500284A

公开(公告)日：1996-03-19

申请号：US358281

申请日：1994-12-19

申请人： Emanuele Burgin ,  Giacinto Serrao

发明人： Emanuele Burgin ,  Giacinto Serrao

IPC分类号： B29C55/12 ,  B29K23/00 ,  B29L9/00 ,  B32B27/32 ,  B65D65/40 ,  C08F297/08 ,  C08L23/00 ,  C08L23/02 ,  C08L23/10 ,  C08L23/16 ,  C08L23/18 ,  C08L23/20 ,  B32B7/12 ,  B32B27/08

CPC分类号： B32B27/32 ,  Y10S428/91 ,  Y10T428/2826 ,  Y10T428/31913 ,  Y10T428/31917

摘要： Disclosed are composite films including:A) a single- or multilayer bioriented film, where the single layer or at least one layer of the bioriented film is propylene crystalline homopolymer; andB) a single- or multilayer cast film, wherein the single layer or at least one layer of said cast film is a layer of a composition including: I) propylene crystalline homopolymer, or a crystalline copolymer of propylene with ethylene and/or a C.sub.4 -C.sub.8 .alpha.-olefin; II) a copolymer fraction containing propylene and ethylene, insoluble in xylene at ambient temperature; III) a copolymer of ethylene with propylene and/or a C.sub.4 -C.sub.8 .alpha.-olefin and soluble in xylene at ambient temperature.

摘要翻译： 公开了复合膜，其包括：A）单层或多层薄膜，其中单层或至少一层生物膜是丙烯结晶均聚物; 和B）单层或多层流延薄膜，其中所述流延薄膜的单层或至少一层是包含以下组分的组分：I）丙烯结晶均聚物，或丙烯与乙烯和/或 C4-C8α-烯烃; II）含有丙烯和乙烯的共聚物部分，在环境温度下不溶于二甲苯; III）乙烯与丙烯和/或C 4 -C 8α-烯烃在环境温度下可溶于二甲苯的共聚物。