-
公开(公告)号：US11376829B2
公开(公告)日：2022-07-05
申请号：US16971609
申请日：2019-02-13
发明人： Paola Massari , Andrea Felisati , Marco Izzi , Claudio Cavalieri , Davide Tartari , Isabella Maria Vittoria Camurati , Tiziana Caputo
摘要： A multilayer film made from or containing a core layer made from or containing a polypropylene composition made from or containing:
A) from 90 wt % to 50 wt %; of a propylene homopolymer; and
B) from 10 wt % to 50 wt %; of a propylene ethylene copolymer having: i) xylene soluble fraction at 25° C. ranging from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 1.0 to 2.4 dl/g; iii) melt flow rate ranging from 1.0 g/10 min to 4.0 g/10 min; iv) an ethylene content ranging from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content on the fraction insoluble in xylene at 25° C. ranging from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content on the fraction soluble in xylene at 25° C. ranging from 15.2. wt % to 30.2 wt %, the sum of A) and B) being 100 wt %.-
公开(公告)号：US10550212B2
公开(公告)日：2020-02-04
申请号：US15511976
申请日：2015-09-09
发明人： Mara Destro , Marco Ciarafoni , Paola Massari , Tiziana Caputo , Thomas Bohm
IPC分类号： B65D1/02 , C08F2/00 , C08F210/06 , C08F4/646 , C08F4/654 , C08F210/08 , C08F210/16
摘要： The present disclosure provides an article of manufacture made from or containing a propylene-based terpolymer, having (i) ethylene-derived units in the range from about 0.5 wt. % to about 1.8 wt. %; (ii) 1-butene-derived units in the range from about 1.5 wt. % to about 2.5 wt. %; (iii) a ratio of C2 wt %/C4 wt % in the range from about 0.40 to about 0.80, wherein C2 wt % is the weight percent of ethylene-derived units and C4 wt % is the weight percent of 1-butene-derived units; (iv) a melt flow rate in the range from about 30 g/10 min to about 80 g/10 min; (v) a xylene soluble fraction at 25° C. lower than about 5.0 wt. %; and (vi) a melting point higher than about 140° C. The article can be a container, which can be used for food applications.
-
公开(公告)号：US09556332B2
公开(公告)日：2017-01-31
申请号：US14651325
申请日：2013-11-25
发明人： Mara Destro , Marco Ciarafoni , Paola Massari , Tiziana Caputo
CPC分类号： C08L23/142 , C08L23/16 , C08L2201/02 , C08L2205/025
摘要： A polyolefin composition comprising: A) from 65 wt % to 85 wt %, of a propylene/ethylene/1-butene terpolymer wherein: i) the content of ethylene derived units ranges from 0.6 wt % to 2.5 wt; ii) the content of 1-butene derived units ranges from 6 wt % to 12 wt %; iii) the fraction soluble in xylene at 25° C. ranges from 3.5 wt % to 20 wt %; B) from 15 wt % to 35 wt % of a propylene/ethylene copolymer having a content of ethylene derived units ranging from 10 wt % to 40 wt %; the copolymer optionally can contains 1-butene derived units in an amount less than 1 wt %; the sum A)+B) being 100.
摘要翻译： 1.一种聚烯烃组合物，其包含：A）65重量％至85重量％的丙烯/乙烯/ 1-丁烯三元共聚物，其中：i）乙烯衍生单元的含量为0.6重量％至2.5重量％ ii）1-丁烯衍生单元的含量范围为6重量％至12重量％; iii）在25℃下可溶于二甲苯的级分为3.5重量％至20重量％; B）15重量％至35重量％的乙烯衍生单元的含量为10重量％至40重量％的丙烯/乙烯共聚物; 共聚物任选地可以含有小于1重量％的1-丁烯衍生单元; 总和A）+ B）为100。
-
公开(公告)号：US20160083561A1
公开(公告)日：2016-03-24
申请号：US14785558
申请日：2014-03-12
IPC分类号： C08K5/527 , C08F210/16
CPC分类号： C08K5/527 , C08F210/16 , C08K5/0083 , C08K5/098 , C08K5/1575 , C08F210/06 , C08F4/651 , C08L23/14
摘要： A polyolefin composition, particularly fit for the production of extrusion blow molded articles, comprising (a) a propylene-ethylene copolymer having a content of units deriving from ethylene of 4.0% by weight or higher, and (b) a nucleating agent and having a crystallization temperature (Tc) higher than 117° C. can be obtained by copolymerizing propylene and ethylene in the presence of a catalyst system obtained by contacting a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other selected from 1,3 diethers, an aluminum hydrocarbyl compound, and optionally an external electron donor compound.
摘要翻译： 一种聚烯烃组合物，特别适用于生产挤出吹塑制品，其包含（a）乙烯衍生物的含量为4.0重量％以上的丙烯 - 乙烯共聚物，和（b）成核剂并具有 在通过使包含卤化镁的固体催化剂组分，至少具有Ti-卤素键的钛化合物和 至少两种电子给体化合物，其中一种以相对于供体总量为40至90摩尔％的量存在，并且选自琥珀酸盐，另一种选自1,3-二醚，铝烃基化合物和任选的 外电子给体化合物。
-
公开(公告)号：US11186664B2
公开(公告)日：2021-11-30
申请号：US16647672
申请日：2018-08-30
发明人： Paola Massari , Claudio Cavalieri , Davide Tartari , Tiziana Caputo , Isabella Maria Vittoria Camurati
IPC分类号： C08F210/16 , C08F210/06 , C08F2/34 , C08L23/14
摘要： A propylene ethylene copolymer having: i) xylene soluble fraction at 25° C. ranging from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 1.0 to 2.4 dl/g; iii) melt flow rate, MFR, ranging from 1.0 g/10 min to 50.0 g/10 min; iv) an ethylene derived units content ranging from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content on the fraction insoluble in xylene at 25° C. ranging from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content on the fraction soluble in xylene at 25° C. ranging from 15.2. wt % to 30.2 wt %; and vii) C13 NMR sequences PEP measured on the fraction insoluble in xylene at 25° C. ranging from 3.5 mol % to 5.5 mol % and C13 NMR sequences PEP measured on the fraction soluble in xylene at 25° C. ranging from 11.0 mol % to 14.2 mol %.
-
公开(公告)号：US10792637B2
公开(公告)日：2020-10-06
申请号：US16477283
申请日：2017-12-15
发明人： Enrico Balestra , Tiziana Caputo , Massimo Covezzi , Maurizio Dorini , Antonio Mazzucco , Gabriele Mei , Ricardo Rinaldi
摘要： A fluid is fed into a polymer bed of a fluidized bed gas phase polymerization reactor by introducing the fluid into the polymer bed through a distributor protruding into the fluidized bed zone of the reactor and terminating with a discharge end positioned so that the following equation is fulfilled: d/D>0.002 wherein d is the distance of the distributor's discharge end from the wall of the reactor, and D is the diameter of the reactor in the fluidized bed zone.
-
公开(公告)号：US10155829B2
公开(公告)日：2018-12-18
申请号：US14906518
申请日：2014-07-01
IPC分类号： C08F210/16 , C08F210/06 , C08J5/00 , A61J1/00 , A61J1/14
摘要： The present technology relates to articles for use in healthcare or medical applications, such as blow-fill-seal applications, made of a propylene-ethylene random copolymer that demonstrate good optical properties after heat sterilization.
-
公开(公告)号：US20150307700A1
公开(公告)日：2015-10-29
申请号：US14651325
申请日：2013-11-25
发明人： Mara Destro , Marco Ciarafoni , Paola Massari , Tiziana Caputo
IPC分类号： C08L23/14
CPC分类号： C08L23/142 , C08L23/16 , C08L2201/02 , C08L2205/025
摘要： A polyolefin composition comprising: A) from 65 wt % to 85 wt %, of a propylene/ethylene/1-butene terpolymer wherein: i) the content of ethylene derived units ranges from 0.6 wt % to 2.5 wt; ii) the content of 1-butene derived units ranges from 6 wt % to 12 wt %; iii) the fraction soluble in xylene at 25° C. ranges from 3.5 wt % to 20 wt %; B) from 15 wt % to 35 wt % of a propylene/ethylene copolymer having a content of ethylene derived units ranging from 10 wt % to 40 wt %; the copolymer optionally can contains 1-butene derived units in an amount less than 1 wt %; the sum A)+B) being 100.
摘要翻译： 一种聚烯烃组合物，其包含：A）65重量％至85重量％的丙烯/乙烯/ 1-丁烯三元共聚物，其中：i）乙烯衍生单元的含量为0.6重量％至2.5重量％ ii）1-丁烯衍生单元的含量范围为6重量％至12重量％; iii）在25℃下可溶于二甲苯的级分为3.5重量％至20重量％; B）15重量％至35重量％的乙烯衍生单元的含量为10重量％至40重量％的丙烯/乙烯共聚物; 共聚物任选地可以含有小于1重量％的1-丁烯衍生单元; 总和A）+ B）为100。
-
公开(公告)号：US10604645B2
公开(公告)日：2020-03-31
申请号：US16064900
申请日：2016-11-28
发明人： Antonio Mazzucco , Gabriele Mei , Tiziana Caputo , Roberto Pantaleoni , Enrico Balestra , Maria Di Diego , Mara Destro , Riccardo Rinaldi
摘要： A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing:a) a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; andb) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).
-
公开(公告)号：US09969870B2
公开(公告)日：2018-05-15
申请号：US15313456
申请日：2015-04-28
CPC分类号： C08L23/142 , C08L23/16 , C08L2205/025 , C08L2207/02 , C08L2205/02
摘要： A propylene polymer composition comprising: A) from 81 wt % to 91 wt % of a propylene ethylene copolymer containing from 1.0 wt % to 3.5 wt % of ethylene derived units having a fraction soluble in xylene at 25° C. comprised between 10 wt % and 3 wt %; and a melt flow rate ranging from 5 to 50 g/10 min; B) from 9 wt % to 19 wt %, of a copolymer of propylene and ethylene with from 21.0 wt % to 31.0 wt % of ethylene derived units; the sum A)+B) being 100; the composition having an melt flow rate ranging from 20 to 35 g/10 min; the xylene soluble fraction to 25° C. ranging from 13.0 wt % to 25.0 wt % and the intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 0.7 dl/g to 1.9 dl/g.
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.014 秒)
