-
公开(公告)号：US09650458B2
公开(公告)日：2017-05-16
申请号：US14774591
申请日：2014-03-03
发明人： Monica Galvan , Andreas Neumann , Tiziana Caputo , Stefano Squarzoni , Antonio Mazzucco , Ofelia Fusco , Benedetta Gaddi , Gianni Collina , Gisella Biondini , Claudio Cavalieri , Roberto Pantaleoni
IPC分类号： C08F210/06 , C08F4/646 , C08F4/649 , C08F4/654
CPC分类号： C08F210/06 , C08F4/6543 , C08F4/651 , C08F110/06 , C08F4/6492 , C08F210/16 , C08F210/08 , C08F2500/12 , C08F2500/26
摘要： Propylene terpolymers are prepared by polymerizing propylene, ethylene and an alpha-olefin selected from the group of C4-C8 alpha-olefins 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.
-
公开(公告)号：US09469703B2
公开(公告)日：2016-10-18
申请号：US14429585
申请日：2013-09-05
CPC分类号： C08F10/06 , B01J8/24 , B01J8/26 , B01J8/388 , B01J19/24 , B01J2208/00274 , B01J2208/00283 , B01J2208/00734 , B01J2219/00164 , B01J2219/24 , C08F10/00 , C08F210/06 , C08F2/34 , C08F2/005 , C08F2/001 , C08F210/16 , C08F2500/12 , C08F2/01
摘要： A process and apparatus for producing olefin polymers are disclosed, comprising:a. polymerizing one or more olefins in the gas phase, in the presence of an olefin polymerization catalyst, whereby growing polymer particles flow along a cylindrically-shaped downward path in densified form under the action of gravity so as to form a densified bed of downward-flowing polymer particles b. allowing said polymer particles to flow through a restriction of the densified bed, such restriction being positioned in a restriction zone extending from the bed upward to a distance of 15% of the total height of the densified bed; and c. metering an antistatic agent through a feed line connected to the densified bed at a feed point being located in a feed zone extending from the top of the restriction upward, to a distance five times the diameter of the section of the densified bed above the restriction.
-
公开(公告)号：US11745158B2
公开(公告)日：2023-09-05
申请号：US17424382
申请日：2020-01-21
CPC分类号： B01J19/0033 , B01J19/2435 , C08F2/01 , B01J2208/00044 , B01J2208/0061 , B01J2208/00672
摘要： A method for monitoring and controlling the polymerization in a polymerization vessel by using a camera viewing unit to (a) detect features of the polymer particles, or the particles' environment, (b) compare the features to pre-defined acceptable values of these features or the environment, and (c) if a variation from the pre-defined values is detected, act on process parameters to reduce or eliminate the variation.
-
公开(公告)号：US10040881B2
公开(公告)日：2018-08-07
申请号：US15103203
申请日：2014-10-27
发明人： Roberta Marzolla , Tiziana Caputo
IPC分类号： B32B27/32 , C08F210/06 , C08F210/16 , C08J5/18
摘要： The present disclosure relates to a propylene ethylene 1-butene terpolymer wherein: (i) the content of ethylene derived units ranges from 1.1 wt % to 1.9 wt %, (ii) the content of 1-butene ranges from 5.0 wt % to 9.0 wt %, (iii) the melting point (Tm) of the non-nucleated terpolymer ranges from 125° C. to 137° C.; and (iv) the xylene soluble fraction at 25° C. is lower than 8.0 wt %.
-
15.发明申请公开(公告)号：US20160032032A1
公开(公告)日：2016-02-04
申请号：US14774591
申请日：2014-03-03
发明人： Monica Galvan , Andreas Neumann , Tiziana Caputo , Stefano Squarzoni , Antonio Mazzucco , Ofelia Fusco , Benedetta Gaddi , Gianni Collina , Gisella Biondini , Claudio Cavalieri , Roberto Pantaleoni
IPC分类号： C08F210/06
CPC分类号： C08F210/06 , C08F4/6543 , C08F4/651 , C08F110/06 , C08F4/6492 , C08F210/16 , C08F210/08 , C08F2500/12 , C08F2500/26
摘要： Propylene terpolymers are prepared by polymerizing propylene, ethylene and an alpha-olefin selected from the group of C4-C8 alpha-olefins 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： 丙烯三元共聚物通过在催化剂体系存在下聚合丙烯，乙烯和选自C 4 -C 8α-烯烃的α-烯烃来制备，所述催化剂体系通过使包含卤化镁的固体催化剂组分，至少具有 Ti-卤素键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40-90％摩尔量存在，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：US20140332109A1
公开(公告)日：2014-11-13
申请号：US14362373
申请日：2012-12-05
CPC分类号： C08F10/14 , B32B1/08 , B32B27/08 , B32B27/304 , B32B27/32 , B32B2250/242 , B32B2250/246 , B32B2307/54 , B32B2307/546 , B32B2307/558 , B32B2597/00 , C08F210/06 , C08F210/16 , C08J5/18 , C08J2323/08 , F16L9/12 , F16L9/127 , C08F210/14 , C08F2500/12
摘要： A terpolymer containing propylene, ethylene and 1-hexene wherein: (i) the content of 1-hexene derived units ranges from 1 wt % to 2.6 wt %; (ii) the content of ethylene derived units is higher than 0.7 wt % and fulfils the following relation (1): C2
摘要翻译： 含有丙烯，乙烯和1-己烯的三元共聚物，其中：（i）1-己烯衍生单元的含量为1wt％至2.6wt％; （ii）乙烯衍生单元的含量高于0.7重量％，满足以下关系式（1）：C2
-
公开(公告)号：US20230383107A1
公开(公告)日：2023-11-30
申请号：US18032531
申请日：2021-10-06
发明人： Eleonora Ciaccia , Marco Ciarafoni , Caroline Cathelin , Alberta De Capua , Giansiro Prini , Daniele Po , Tiziana Caputo , Roberto Pantaleoni , Alessia Di Capua
IPC分类号： C08L23/12
CPC分类号： C08L23/12 , C08L2205/025
摘要： A polypropylene composition made from or containing:
A) from 76 wt % to 95 wt % of a propylene homopolymer having:
fraction soluble in xylene at 25° C. between 2.0 wt % and 4.5 wt %; and
melt flow rate ranging from 60.0 to 110.0 g/10 min; and
B) from 5 wt % to 24 wt % of a copolymer of propylene and ethylene containing from 75 wt % to 90.0 wt % of ethylene derived units;
wherein the polypropylene composition has
content of ethylene derived units in the fraction soluble in xylene at 25° C. lower than the content of ethylene derived units of component B) and ranging from 51.0 wt % to 74.0 wt %; and
at least two melting points, wherein the higher melting points ranges from 156.0° C. to 166.0° C. and the lower melting point ranges from 90.0° C. to 125.0° C.;
wherein the sum of the amounts of component A) and B) being 100 wt %.-
公开(公告)号：US20230312897A1
公开(公告)日：2023-10-05
申请号：US18010421
申请日：2021-06-01
发明人： Gianpiero Ferraro , Claudio Cavalieri , Caroline Cathelin , Eleonora Ciaccia , Marco Ciarafoni , Ambra Montaletti , Alberta De Capua , Roberto Pantaleoni , Tiziana Caputo , Giansiro Prini , Alberto Nardin
CPC分类号： C08L23/142 , C08L23/16 , C08L2205/025 , C08L2203/14 , C08L2314/02
摘要： A polypropylene composition made from or containing:
from 70 wt % to 90 wt % of a propylene 1-hexene copolymer containing from 1.0 wt % to 5.0 wt % of 1-hexene derived units and a polydispersity index (PI) between 9.2 and 21.3; and
from 10 wt % to 30 wt % of a copolymer of propylene and ethylene containing from 45.0 wt % to 65.0 wt % of ethylene derived units;
the sum A)+B) being 100.-
公开(公告)号：US11453767B2
公开(公告)日：2022-09-27
申请号：US16495289
申请日：2018-03-23
发明人： Gabriele Mei , Antonio Mazzucco , Tiziana Caputo , Enrico Balestra , Davide Tartari , Gilberto Moscardi
IPC分类号： C08F210/06 , C08L23/10 , C08L23/12 , C08L23/06
摘要： A propylene ethylene copolymer having: (i) an ethylene derived units content (C2) ranging from 2.0 wt % to 11.0 wt %, based upon the total weight of the copolymer; (ii)) a fraction soluble in xylene (Xs) at 25° C. (Xs) ranging from 7.1 wt % to 28.5 wt %, based upon the total weight of the copolymer; (iii) an intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 3.2 dl/g to 5.6 dl/g; (iv) a melting point (Tm) higher than 140.0° C. and fulfilling the relation (I): Tm>155−1.4×C2 (I); and (v) a flexural modulus (TM) higher than 500 MPa and fulfilling the relation (II) TM>1900−285×C2+50×Xs (II).
-
公开(公告)号：US10155827B2
公开(公告)日：2018-12-18
申请号：US15309138
申请日：2015-04-28
发明人： Paola Massari , Fabrizio Piemontesi , Gianni Vitale , Caroline Cathelin , Giampiero Morini , Marco Ciarafoni , Claudio Cavalieri , Tiziana Caputo
IPC分类号： C08F210/02 , C08F210/06 , C08J5/18
摘要： The present disclosure relates to a propylene ethylene copolymer comprising: an ethylene content of between 1.8 and 10.0% by weight; a molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; a content of xylene soluble fraction (XS) and ethylene content (C2) that fulfills the following relationship: XS
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.02 秒)
