公开(公告)号：US20240360257A1

公开(公告)日：2024-10-31

申请号：US18769481

申请日：2024-07-11

申请人： BOREALIS AG

发明人： Pauli Leskinen ,  Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner

IPC分类号： C08F210/06 ,  C08F2/00 ,  C08F4/659 ,  C08F4/6592 ,  C08F210/02 ,  C08F210/14 ,  C08L23/16

CPC分类号： C08F210/06 ,  C08F2/001 ,  C08F4/65912 ,  C08F4/65927 ,  C08F210/02 ,  C08F210/14 ,  C08L23/16 ,  C08L2203/18 ,  C08L2207/068 ,  C08L2314/06

摘要： PP/UHMW-PE (Polypropylene-Ultrahigh-Molecular-Weight-Polyethylene)



composition having

a melting temperature Tm in the range of 125 to 150° C. (DSC, ISO 11357, Part 3),

an MFR2 of 0.15 to 0.60 g/10 min (2.16 kg, 230° C., ISO1133),

units derived from 1-hexene in an amount of at least 1.80 wt.-%, and

a XS according to ISO16152 of less than 5.0 wt.-%

all weight percentages with respect to the total PP/UHMW-PE composition.

公开(公告)号：US12116475B2

公开(公告)日：2024-10-15

申请号：US18516697

申请日：2023-11-21

申请人： FINA TECHNOLOGY, INC.

发明人： Douglas Burmaster ,  Joachin Azzi ,  Russell McDonald

IPC分类号： C08L23/16 ,  B29C48/00 ,  C08K5/098 ,  C08K5/105 ,  C08K5/134 ,  C08K5/20 ,  C08K5/52

CPC分类号： C08L23/16 ,  B29C48/022 ,  C08K5/098 ,  C08K5/105 ,  C08K5/134 ,  C08K5/20 ,  C08K5/52 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2203/30

摘要： Disclosed is a polymeric composition that can include at least 95 wt. % of a polypropylene copolymer, and 50 ppm to 2000 ppm of an aryl amide containing clarifying agent, a phosphate ester salt containing clarifying agent, or a combination thereof. The polymeric composition can have a haze value of A after being extruded once and a haze value of B after being extruded 2 times, wherein the ratio of A to B is 1 to 1.35, wherein A is less than 25%, and wherein A and B are determined in accordance with ASTM D1003, at a thickness of about 40 mil.

公开(公告)号：US20240336715A1

公开(公告)日：2024-10-10

申请号：US18746829

申请日：2024-06-18

申请人： Lion Copolymer Geismar, LLC

发明人： SOLOMON H. K. TANG ,  Willie Charles Burton ,  Alrica L.J. Payne ,  Michael Durousseau

IPC分类号： C08F210/18 ,  C08L23/16

CPC分类号： C08F210/18 ,  C08L23/16 ,  C08L2205/025

摘要： Disclosed herein are EPDM-diene copolymers that have a low molecular weight and are liquid at room temperature. In a specific embodiment, the method of making the copolymer includes: adding a solvent to a reactor; adding a propylene and a catalyst mixture to the solvent in the reactor to make a first reaction mixture, where the catalyst mixture includes: one or more catalysts, one or more cocatalysts, and one or more catalyst reactivators; contacting an ethylene to the first reaction mixture to make a second reaction mixture; and contacting a vinyl norbornene to the second reaction mixture to make a copolymer, where the copolymer has a molecular weight from about 2,500 g/mol to about 1,000,000 g/mol, and where the copolymer has a viscosity from about 1,000 cP to about 2,500,000 cP at 100° C.

公开(公告)号：US12098269B2

公开(公告)日：2024-09-24

申请号：US17619634

申请日：2020-05-26

申请人： TOYOBO CO., LTD.

发明人： Wakato Tomatsu ,  Tadashi Nishi

IPC分类号： C08L23/16 ,  B32B27/08 ,  B32B27/32 ,  C08J5/18

CPC分类号： C08L23/16 ,  B32B27/08 ,  B32B27/32 ,  C08J5/18 ,  B32B2250/02 ,  B32B2250/242 ,  B32B2439/70 ,  C08J2323/16 ,  C08J2423/22

摘要： The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that comprises a propylene-α olefin random copolymer, an ethylene-butene copolymeric elastomer, and a propylene-butene copolymeric elastomer, wherein (1) the polyolefin-based resin composition contains 2 to 9 parts by weight of the ethylene-butene copolymeric elastomer and 2 to 9 parts by weight of the propylene-butene copolymeric elastomer based on 100 parts by weight of the propylene-α olefin random copolymer; (2) the polyolefin-based resin film exhibits a thermal shrinkage rate after heating at 120° C. for 30 minutes of 25% or less in a direction in which the thermal shrinkage rate after heating at 120° C. for 30 minutes is larger between a longitudinal direction and a lateral direction of the polyolefin-based resin film; and (3) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.

公开(公告)号：US12084568B2

公开(公告)日：2024-09-10

申请号：US18207901

申请日：2023-06-09

申请人： Star Thermoplastic Alloys & Rubbers, Inc.

发明人： Prakash Sanjeevaiah ,  Krishna Venkataswamy ,  Pei-Zhen Jian

IPC分类号： C08L23/16 ,  C08J7/04 ,  C08L23/08 ,  C08L23/12 ,  C08L23/26 ,  C08L53/02

CPC分类号： C08L23/16 ,  C08J7/0427 ,  C08L23/0815 ,  C08L23/12 ,  C08J2377/00 ,  C08J2423/08 ,  C08J2423/16 ,  C08L23/26 ,  C08L53/025 ,  C08L2205/035 ,  C08L2205/08 ,  C08L2207/04

摘要： A thermoplastic elastomer composition for overmolding a predominantly polyamide substrate, a method for the preparation of an overmolded article, and an overmolded article having a layer of thermoplastic elastomer is provided. The thermoplastic elastomer composition comprises a thermoplastic vulcanizate, an olefinic block copolymer, and a maleated functionalized polyolefin copolymer. The method for the preparation of the overmolded article comprises heating the thermoplastic elastomer composition followed by applying the heated composition to at least a portion of the predominantly polyamide substrate.

公开(公告)号：US12084567B2

公开(公告)日：2024-09-10

申请号：US17269208

申请日：2019-08-23

申请人： BOREALIS AG

发明人： Jingbo Wang ,  Klaus Bernreitner ,  Daniela Mileva ,  Georg Grestenberger ,  Markus Gahleitner

IPC分类号： C08L23/14 ,  C08K3/34 ,  C08L23/08 ,  C08L23/16 ,  C08L23/18

CPC分类号： C08L23/142 ,  C08K3/34 ,  C08L23/0815 ,  C08L23/16 ,  C08L23/14 ,  C08L23/18 ,  C08L2205/03 ,  C08L2205/22 ,  C08L2207/02

摘要： The present invention relates to a polypropylene based composition comprising: (A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer; (B) from 5.0 to 15.0 wt % of a random copolymer of propylene with comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms which has been polymerized in the presence of a single-site catalyst system and has a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/m3 to 900 kg/m3; and (D) from 5.0 to 25.0 wt % of an inorganic filler, wherein the amounts of components (A), (B), (C), and (D) are all based on the total weight amount of the polypropylene based composition, said polypropylene based composition having a melt flow rate (MFR2) as measured at 230° C. and 2.16 kg load in accordance with ISO 1133 in the range of 2.0 g/10 min to 20.0 g/10 min, an article comprising said polypropylene based composition and the use of said copolymer (B) for reducing the paint adhesion failure of an article comprising said polypropylene based composition.

公开(公告)号：US20240286439A1

公开(公告)日：2024-08-29

申请号：US18572846

申请日：2022-06-24

申请人： Bridgestone Americas Tire Operations, LLC

发明人： Claude David Rollins ,  Seth Martin Miller

IPC分类号： B60C19/00 ,  B60C1/00 ,  C08K3/04 ,  C08K3/06 ,  C08L7/00 ,  C08L9/00 ,  C08L23/16

CPC分类号： B60C19/00 ,  B60C1/0041 ,  C08K3/04 ,  C08K3/06 ,  C08L7/00 ,  C08L9/00 ,  C08L23/16 ,  B60C2019/004

摘要： Disclosed herein is a tire having an electronic communication module including a radio device where the radio device is surrounded by a rubber layer having a specified T50 cure time at 160° C. Also disclosed are related methods for curing a tire with an electronic communication module including a radio device surrounded by a rubber layer having a specified T50 cure time at 160° C.

公开(公告)号：US12071491B2

公开(公告)日：2024-08-27

申请号：US17526667

申请日：2021-11-15

申请人： Braskem S.A.

发明人： Ana Paula Rodrigues Camilo ,  Kimberly Miller McLoughlin ,  Marcelo Farah ,  Regina Funck Nonemacher ,  Ana Paula de Azeredo

IPC分类号： C08F10/02 ,  B29C48/40 ,  C08J3/18 ,  C08K5/098 ,  C08K5/14 ,  C08K5/32 ,  C08L23/12 ,  C08L23/16 ,  C08L23/30 ,  C09J123/30 ,  B29L31/00

CPC分类号： C08F10/02 ,  B29C48/40 ,  C08J3/18 ,  C08K5/098 ,  C08K5/14 ,  C08K5/32 ,  C08L23/12 ,  C08L23/16 ,  C08L23/30 ,  C09J123/30 ,  B29L2031/726 ,  C08F2810/10 ,  C08J2323/30 ,  C08L2203/30 ,  C08L2207/20

摘要： A method for producing a low viscosity polyethylene-based composition comprising melting a polyethylene-based composition; decreasing a viscosity of the polyethylene-based composition; and optionally, repeating the melting and the viscosity decreasing steps to form a low viscosity polyethylene-based composition; wherein the melting and viscosity decreasing steps are performed in a continuous process at temperature that is equal to or greater than 350° C., residence time of less than 2 min and the polyethylene-based composition is in the presence of at least one free radical generator.

公开(公告)号：US20240279451A1

公开(公告)日：2024-08-22

申请号：US18568696

申请日：2022-06-09

申请人： BOREALIS AG

发明人： Jingbo WANG ,  Markus GAHLEITNER ,  Elisabeth POTTER ,  Meta CIGON

IPC分类号： C08L23/16 ,  C08F2/00 ,  C08F210/06 ,  C08K5/3432

CPC分类号： C08L23/16 ,  C08F2/001 ,  C08F210/06 ,  C08K5/3432 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2314/02

摘要： The invention relates to a polypropylene composition comprising: a) a bimodal random Ziegler-Natta propylene copolymer having a comonomer content of 2.0 to 4.5 wt.-%, said copolymer comprising: (i) 30 to 70 wt.-% of a first propylene copolymer having a comonomer content in the range of 0.1 to 4.5 wt.-% relative to the total weight of the first propylene copolymer, and an MFR2 of 1 to 100 g/10 min; and (ii) 70 to 30 wt.-% of a second propylene copolymer having a comonomer content in the range of 1.0 to 15 wt.-% relative to the total weight of the second propylene copolymer and an MFR2 of 1 to 100 g/10 min; with the proviso that the comonomer content of the second propylene copolymer (ii) is higher than for the first propylene copolymer (i); and b) at least one hindered amine light stabiliser.

公开(公告)号：US20240279450A1

公开(公告)日：2024-08-22

申请号：US18568213

申请日：2022-06-03

申请人： Basell Poliolefine Italia S.r.l.

发明人： Rainer Köhler ,  Mikhail Dureev ,  Michele Grazzi

IPC分类号： C08L23/16 ,  B29C45/00 ,  B29K23/00 ,  B29K309/08 ,  B29L31/30 ,  C08F2/34 ,  C08F10/14 ,  C08J5/04 ,  C08K7/14

CPC分类号： C08L23/16 ,  B29C45/0005 ,  B29C45/0055 ,  C08F2/34 ,  C08F10/14 ,  C08J5/043 ,  C08K7/14 ,  B29K2023/16 ,  B29K2309/08 ,  B29L2031/3005 ,  B29L2031/3055 ,  C08J2323/16 ,  C08K2201/003 ,  C08K2201/004 ,  C08L2205/035 ,  C08L2205/08 ,  C08L2207/02 ,  C08L2314/02

摘要： A filled polyolefin composition made from or containing a blend of a 30-70 wt. % of a first heterophasic polypropylene (HECO1) and 70-30 wt. % of a second heterophasic polypropylene (HECO2), wherein the heterophasic copolymers differ in MFR and type of comonomers, in combination with glass fibers and optionally a compatibilizer.