公开(公告)号：US20120172549A1

公开(公告)日：2012-07-05

申请号：US13394026

申请日：2010-08-27

Applicant: Antonio Mazzucco ,  Tiziana Caputo ,  Riccardo Rinaldi

Inventor： Antonio Mazzucco ,  Tiziana Caputo ,  Riccardo Rinaldi

IPC: C08F10/00 ,  C08F2/34

CPC classification number: C08F210/06 ,  C08F110/06 ,  C08F2/005 ,  C08F2/34 ,  C08F2/001 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24 ,  C08F210/16

Abstract: A process for the gas-phase polymerization of one or more alpha-olefins in the presence of a polymerization catalyst, the process comprising: at least a polymerization step wherein the polymer particles flow downward in densified form under the action of gravity so as to form a densified polymer bed; metering an anti-fouling agent in said polymerization step by means of at least N feeding lines placed at different heights of said densified polymer bed, N being the integer number satisfying the equation N≧(1+0.08·H), where H is the height (expressed in meters) of the polymer bed.

Abstract translation: 一种在聚合催化剂存在下一种或多种α-烯烃气相聚合的方法，该方法包括：至少聚合步骤，其中聚合物颗粒在重力作用下以致密化形式向下流动以形成 致密聚合床; 在所述聚合步骤中通过放置在所述致密聚合物床的不同高度的至少N根供给管线计量防污剂，N为满足方程式N≥（1 + 0.08·H）的整数，其中H为 聚合物床的高度（以米计）。

公开(公告)号：US20120171405A1

公开(公告)日：2012-07-05

申请号：US13496461

申请日：2010-09-15

Applicant: Stefano Pasquali ,  Gianluca Musacchi ,  Enrico Beccarini ,  Inge Elisabeth Roucourt

Inventor： Stefano Pasquali ,  Gianluca Musacchi ,  Enrico Beccarini ,  Inge Elisabeth Roucourt

IPC: B32B1/08 ,  C08L23/20

CPC classification number: C08L23/10 ,  B32B25/042 ,  B32B25/08 ,  B32B27/08 ,  B32B27/18 ,  B32B27/20 ,  B32B27/302 ,  B32B27/304 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B2250/24 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2307/30 ,  B32B2307/31 ,  B32B2307/40 ,  B32B2307/406 ,  B32B2307/50 ,  B32B2307/536 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2419/00 ,  B32B2437/00 ,  B32B2439/70 ,  B32B2535/00 ,  B32B2553/00 ,  B32B2597/00 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/12 ,  C08L23/0815 ,  C08L23/12 ,  C08L23/20 ,  C08L2203/16 ,  Y10T428/139 ,  C08L2666/06 ,  C08L2666/02

Abstract: Film or sheet comprising at least one layer of a polyolefin composition consisting, in percentage by weight referred to the sum of component (a1) and (a2) and (b), of: a1) 42-88 wt % of a propylene homopolymer or copolymer of propylene with ethylene and/or one or more C4-C10 α-olefin(s), the said homopolymer or copolymer having a solubility in xylene at room temperature (XSm) equal to or less than 10 wt %; a2) 7-39 wt % of a copolymer of ethylene with propylene and/or one or more C4-C10 α-olefin(s) containing 50-80 wt % of ethylene derived units and having a solubility in xylene at room temperature of 50-80 wt %; and (b) 0.5-30 wt %, of a butene-1 (co)polymer having: a content of butene-1 derived units of 75 wt % or more, a flexural modulus (MEF) of 70 MPa or less.

Abstract translation: 包含至少一层聚烯烃组合物的组合物，其以按组分（a1）和（a2）和（b）的总和计的重量百分比组成为：a1）42-88重量％的丙烯均聚物或 丙烯与乙烯和/或一种或多种C 4 -C 10α-烯烃的共聚物，所述均聚物或共聚物在室温下在二甲苯中的溶解度（XSm）等于或小于10重量％; a2）7-39重量％的乙烯与丙烯和/或一种或多种含有50-80重量％乙烯衍生单元并在室温下在二甲苯中溶解度为50的C 4 -C 10α-烯烃的共聚物为50重量％ -80重量％ 和（b）0.5-30重量％的丁烯-1（共）聚合物，其具有75重量％以上的丁烯-1衍生单元的含量，70MPa以下的挠曲模量（MEF）。

公开(公告)号：US20120165483A1

公开(公告)日：2012-06-28

申请号：US13394042

申请日：2010-09-03

Applicant: Simona Guidotti ,  Dario Liguori ,  Giampiero Morini ,  Joachim T.M. Pater

Inventor： Simona Guidotti ,  Dario Liguori ,  Giampiero Morini ,  Joachim T.M. Pater

IPC: C08F4/654 ,  C08F110/06

CPC classification number: C08F110/06 ,  C08F10/06 ,  C08F4/022 ,  C08F4/651 ,  C08F4/6545

Abstract: Solid adducts comprising a MgCl2, ethanol and a compound (A), said compounds being present in molar ratios defined by the following formula MgCl2.(EtOH)n(A)p in which n is from 0.1 to 6, p ranges from 0.001 to 0.5 and A is a compound selected from cyclic hydrocarbon structures which are substituted with at least two hydroxy groups.

Abstract translation: 包含MgCl 2，乙醇和化合物（A）的固体加合物，所述化合物以下式MgCl 2（EtOH）n（A）p定义的摩尔比存在，其中n为0.1至6，p为0.001至 0.5和A是选自被至少两个羟基取代的环状烃结构的化合物。

公开(公告)号：US08207285B2

公开(公告)日：2012-06-26

申请号：US12448395

申请日：2007-12-05

Applicant: Michele Grazzi ,  Claudio Cavalieri

Inventor： Michele Grazzi ,  Claudio Cavalieri

IPC: C08L23/10 ,  C08F210/06 ,  C08F10/06 ,  B29C55/04

CPC classification number: C08F10/06 ,  C08F210/06 ,  C08J5/18 ,  C08J2323/14 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/20 ,  C08F2500/26

Abstract: Mono-oriented film having a shrink rate at 100° C. of at least 15% and at least one layer of which comprises a propylene copolymer with ethylene and optionally other olefins of formula CH2═CHR in which R is an alkyl group containing from 2 to 10 carbon atoms, having at least 5.5% wt of ethylene, a melt flow rate according to ISO 1133 (230° C., 2.16 Kg) of less than 10, and a fraction of polymer soluble in xylene at 25° C. ranging from 14 to 30% weight based on the total weight of said copolymer. The said films are particularly suited for the manufacturing of shrink labels.

Abstract translation: 在100℃下的收缩率为至少15％且至少一层的单取向膜包含与乙烯和任选的其它式CH 2 = CHR的其它烯烃的丙烯共聚物，其中R是含有2个 至少为10个碳原子，具有至少5.5重量％的乙烯，根据ISO 1133（230℃，2.16Kg）小于10的熔体流动速率和在25℃下可溶于二甲苯的聚合物的分数范围 基于所述共聚物的总重量为14至30重量％。 所述膜特别适用于制造收缩标签。

公开(公告)号：US08202611B2

公开(公告)日：2012-06-19

申请号：US11793662

申请日：2005-12-07

Applicant: Daniele Bigiavi ,  Giampaolo Pellegatti ,  Stefano Spataro

Inventor： Daniele Bigiavi ,  Giampaolo Pellegatti ,  Stefano Spataro

IPC: B32B27/32 ,  C08L23/12

CPC classification number: C08L23/10 ,  B32B27/08 ,  B32B27/32 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2307/412 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/7242 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/75 ,  B32B2439/46 ,  B32B2439/70 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/12 ,  C08J2323/20 ,  C08L23/20 ,  C08L2666/06

Abstract: Films especially suitable for the packaging of fresh foodstuff, like salad and vegetables, due to their high permeability to oxygen, carbon dioxide and water vapor, are obtained from polyolefin composition comprising (percentage by weight): A) 5% to 80% of a butene-1 polymer or polymer composition containing from 0% to 25% of one or more comonomers selected from ethylene and alpha-olefins different from 1-butene, provided that, when ethylene only is present as comonomer, the amount of ethylene is higher than 4% and a copolymer fraction (i) containing at least 6.2% of ethylene is present, said polymer or polymer composition having a content of fraction soluble in xylene at 0° C. of from 50% to 100% and a Flexural Modulus (measured according to ISO 178) from 15 to 300 MPa; B) 20% to 95% of a propylene homopolymer or copolymer having a content of fraction insoluble in xylene at room temperature of 93% or more.

Abstract translation: 由于其对氧气，二氧化碳和水蒸气的高渗透性，特别适用于包装新鲜食品（如沙拉和蔬菜）的薄膜由包含（重量百分比）的聚烯烃组合物获得：A）5％至80％的 丁烯-1聚合物或含有0％至25％的一种或多种选自乙烯和不同于1-丁烯的α-烯烃的共聚单体的聚合物组合物，条件是当乙烯仅作为共聚单体存在时，乙烯的量高于 4％，含有至少6.2％的乙烯的共聚物级分（i）存在，所述聚合物或聚合物组合物的含量在0℃下可溶于二甲苯的比例为50％至100％，弯曲模量 根据ISO 178）15〜300MPa; B）20％至95％的丙烯均聚物或共聚物，其在室温下不溶于二甲苯的馏分含量为93％以上。

公开(公告)号：US08153714B2

公开(公告)日：2012-04-10

申请号：US12086365

申请日：2006-11-07

Applicant: Fiorella Pradella ,  Piet Roose

Inventor： Fiorella Pradella ,  Piet Roose

IPC: C08K5/00 ,  C08F16/06

CPC classification number: B32B27/32 ,  B29C47/0004 ,  B29C47/0021 ,  B29C47/0023 ,  B29K2023/06 ,  B29K2023/086 ,  B29K2105/0085 ,  B32B27/08 ,  B32B27/18 ,  B32B27/306 ,  B32B2250/246 ,  B32B2270/00 ,  B32B2307/7242 ,  B32B2439/00 ,  B32B2439/70 ,  C08K3/26 ,  C08K5/005 ,  C08K5/01 ,  C08K5/098 ,  C08K5/1345 ,  C08K5/1575 ,  C08K5/523 ,  C08L23/10 ,  C08L23/14 ,  C08L29/04 ,  C08L29/06 ,  Y10T428/1379 ,  C08L2666/04 ,  C08L29/00 ,  C08L2666/06

Abstract: A process for producing polyolefin articles comprising an ethylene-vinyl alcohol copolymer, wherein the polyolefin component is melted and mixed with the ethylene-vinyl alcohol copolymer in the presence of a stabilizing composition comprising: a) one or more acid scavengers in amounts equal to or higher than 300 ppm by weight with respect to the weight of the polyolefin component; and b) one or more phenolic antioxidants in amounts equal to or higher than 1100 ppm by weight with respect to the weight of the polyolefin component.

Abstract translation: 一种制备包含乙烯 - 乙烯醇共聚物的聚烯烃制品的方法，其中所述聚烯烃组分在稳定组合物存在下熔融并与乙烯 - 乙烯醇共聚物混合，所述稳定组合物包含：a）一种或多种酸清除剂，其用量等于或等于 相对于聚烯烃组分的重量高于300重量ppm; 和b）一种或多种相对于聚烯烃组分重量等于或高于1100ppm重量的酚类抗氧化剂。

公开(公告)号：US20120016087A1

公开(公告)日：2012-01-19

申请号：US13256592

申请日：2010-03-17

Applicant: Michele Grazzi ,  Giampaolo Pellegatti

Inventor： Michele Grazzi ,  Giampaolo Pellegatti

IPC: C08L23/16 ,  C08L23/20 ,  C08L23/24

CPC classification number: C08L23/0807 ,  C08J3/226 ,  C08J2323/12 ,  C08J2423/00 ,  C08L23/10 ,  C08L23/12 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/02 ,  C08L2666/06 ,  C08L2666/04

Abstract: A masterbatch composition comprising, all percent amounts being by weight: A) 10-45% of a homopolymer or a copolymer of propylene; B) 10-30% of a copolymer of propylene with ethylene, containing from 18 to 45% of ethylene; C) 42-60% of a copolymer of propylene with ethylene, containing from 55 to 85% of ethylene; said composition having a MFR L value from 0.01 to 10 g/10 min., a value of the intrinsic viscosity [η]sol of the fraction soluble in xylene at room temperature from 1.5 to 2.5 dl/g and a value of the ratio [η]sol/MFR L equal to or lower than 6.

Abstract translation: 一种母料组合物，其包含全部量的重量百分数：A）10-45％的均聚物或丙烯共聚物; B）10-30％的丙烯与乙烯的共聚物，含18至45％的乙烯; C）42-60％的丙烯与乙烯的共聚物，含有55-85％的乙烯; 所述组合物的MFR L值为0.01〜10g / 10分钟，在室温下可溶于二甲苯的馏分的特性粘度[η]溶液的值为1.5〜2.5dl / g， sol / MFR L等于或小于6。

公开(公告)号：US08063160B2

公开(公告)日：2011-11-22

申请号：US11920311

申请日：2006-05-09

Applicant: Claudio Cavalieri ,  Roberto Pantaleoni ,  Hiroshi Fujiishi ,  Akihiro Otsubo

Inventor： Claudio Cavalieri ,  Roberto Pantaleoni ,  Hiroshi Fujiishi ,  Akihiro Otsubo

IPC: C08F2/00 ,  C08F210/00 ,  C08F110/06 ,  B01J37/00

CPC classification number: C08F10/00 ,  C08F210/06 ,  C08F4/651 ,  C08F4/6465 ,  C08F210/16 ,  C08F2500/06

Abstract: Random propylene/ethylene copolymers are provided characterized by Ethylene content in the range of 4.5-7% wt; Mw/Mn (via GPC) in the range 3.5-5.5; Mz/Mw (via GPC) lower than 4; absence of 2-1 regioinversion, and Melting Temperature (Tm) (non-nucleated grade) lower than 143° C. The said copolymers show an excellent balance of impact and optical properties which is retained even after visbreaking.

公开(公告)号：US20110282015A1

公开(公告)日：2011-11-17

申请号：US13139634

申请日：2009-12-21

Applicant: Friedhelm Gundert ,  Martin Schneider

Inventor： Friedhelm Gundert ,  Martin Schneider

IPC: C08F4/654 ,  C08F4/16

CPC classification number: C08F110/02 ,  B01J27/135 ,  B01J27/138 ,  B01J31/0212 ,  B01J31/143 ,  B01J31/38 ,  B01J35/1038 ,  B01J35/1052 ,  C08F4/6555 ,  C08F4/651 ,  C08F4/6492 ,  C08F2500/18 ,  C08F2500/12 ,  C08F2500/24

Abstract: A catalyst component for the polymerization of olefins comprising Mg, Ti and Cl obtained by a process comprising the following steps: a) reacting a precursor of formula MgCl2.mEtOH, wherein m≦1.5 having a porosity due to pores with radius up to 1μ of higher than 0.4 cm3/g with an alcohol of formula RIOH where RI is an alkyl different from ethyl, a cycloalkyl or aryl radical having 3-20 carbon atoms said RIOH being reacted with the said precursor using molar ratio RIOH/Mg ranging from 0.01 to 10; and b) reacting the product obtained in (a) with TiCl4 using Ti/Mg molar ratio ranging from 0.01 to 15.

Abstract translation: 1.一种通过包括以下步骤的方法获得的包含Mg，Ti和Cl的烯烃聚合的催化剂组分：a）使式MgCl 2·mEtOH前体反应，其中m＆nlE; 1.5具有孔径，其孔径由半径高达1μ 高于0.4cm 3 / g，其中R 1是不同于乙基的烷基，具有3-20个碳原子的环烷基或芳基，所述RIOH与所述前体反应，其摩尔比RIOH / Mg为0.01〜 10; 和b）使用（a）中获得的产物与TiCl 4的摩尔比为0.01至15。

公开(公告)号：US20110245070A1

公开(公告)日：2011-10-06

申请号：US13139450

申请日：2009-12-14

Applicant: Diego Brita ,  Gianni Collina

Inventor： Diego Brita ,  Gianni Collina

IPC: B01J21/06

CPC classification number: C08F110/02 ,  B01J27/135 ,  B01J27/138 ,  B01J31/0201 ,  B01J31/0212 ,  B01J31/143 ,  B01J31/26 ,  B01J31/38 ,  C08F210/16 ,  C08F4/6455 ,  C08F4/6545 ,  C08F4/653 ,  C08F210/14 ,  C08F2500/18 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/04

Abstract: Catalyst component comprising Mg, Ti, Hf, a halogen and, optionally, —OR groups where R is a C1-C20 hydrocarbon group, characterized in that (a) the Mg atoms are present in an amount higher than 7% based on the total weight of the said catalyst component, (b) the amount of Mg, Ti, and Hf atoms is such that the Mg/Ti molar ratio ranges from 3 to 25 and the Hf/Ti molar ratio is lower than 1.5 and (c) when —OR groups are present their amount is such that the —OR/Ti molar ratio is lower than 2.

Abstract translation: 包含Mg，Ti，Hf，卤素和任选的-OR基团的催化剂组分，其中R是C1-C20烃基，其特征在于（a）Mg原子以高于7％的量存在， 所述催化剂组分的重量，（b）Mg，Ti和Hf原子的量使得Mg / Ti摩尔比为3至25，Hf / Ti摩尔比低于1.5，（c）当 -OR基团的存在量使得-OR / Ti摩尔比低于2。