公开(公告)号：US20240360256A1

公开(公告)日：2024-10-31

申请号：US18659223

申请日：2024-05-09

申请人： SABIC GLOBAL TECHNOLOGIES B.V.

发明人： Erik DELSMAN ,  Petrus Johannes Hubertus BRONSAER ,  Henrica Norberta Alberta Maria STEENBAKKERS-MENTING ,  Gopala Krishna SURISETTY

IPC分类号： C08F210/06 ,  B01J19/00 ,  C08F2/01 ,  C08F4/646 ,  C08F4/654 ,  C08F210/02 ,  C08F210/08 ,  C08F210/14 ,  C08F210/16 ,  C08L23/16 ,  C08L23/20

CPC分类号： C08F210/06 ,  C08F2/01 ,  C08F4/646 ,  C08F4/654 ,  C08F210/02 ,  C08F210/08 ,  C08F210/14 ,  C08L23/16 ,  B01J19/0053 ,  B01J2219/182 ,  C08F210/16 ,  C08L23/20 ,  C08L2314/02

摘要： The invention relates to a process for production of terpolymers, in particular for the polymerization of propylene, and two other distinct monomers chosen from a group comprising ethylene and a C4-C12 α-olefin in a horizontal stirred reactor comprising an agitated bed and several reaction zones for forming polymer particles.

公开(公告)号：US12129368B2

公开(公告)日：2024-10-29

申请号：US17419275

申请日：2019-12-27

申请人： Dow Global Technologies LLC

发明人： Jeffrey C. Munro ,  Haiyang Yu ,  Hong Yang ,  Lixin Sun ,  Colin Li Pi Shan

IPC分类号： C08L23/16 ,  C07F3/06 ,  C07F5/06 ,  C08F2/38 ,  C08F210/02 ,  C08F210/06 ,  C08F210/14 ,  C08J9/10 ,  C08J9/14 ,  C08K5/00 ,  C08K5/14 ,  C08K5/3435 ,  C08K5/5419 ,  C08K5/5425 ,  C08L23/04 ,  C08L23/06 ,  C08L23/08 ,  C08L23/20 ,  H01L31/048 ,  C08F210/16 ,  C08K5/23

CPC分类号： C08L23/0815 ,  C07F3/06 ,  C07F5/062 ,  C08F2/38 ,  C08F210/02 ,  C08F210/06 ,  C08F210/14 ,  C08J9/103 ,  C08J9/14 ,  C08J9/142 ,  C08K5/0025 ,  C08K5/005 ,  C08K5/14 ,  C08K5/3435 ,  C08K5/5419 ,  C08K5/5425 ,  C08L23/16 ,  C08L23/20 ,  H01L31/0481 ,  C08F210/16 ,  C08J2203/04 ,  C08J2323/06 ,  C08J2323/14 ,  C08J2323/20 ,  C08J2353/00 ,  C08J2423/08 ,  C08J2423/14 ,  C08J2423/20 ,  C08K5/23 ,  C08L2203/14 ,  C08L2203/16 ,  C08L2203/202 ,  C08L2203/206 ,  C08L2205/025 ,  C08L2207/066 ,  C08L2312/08 ,  C08L2314/06

摘要： The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

公开(公告)号：US12104301B2

公开(公告)日：2024-10-01

申请号：US17293188

申请日：2019-11-20

申请人： DOW GLOBAL TECHNOLOGIES LLC

发明人： Mehmet Demirors ,  Fabricio Arteaga Larios ,  Mridula Kapur ,  Philip P. Fontaine ,  David T. Gillespie ,  Yijian Lin ,  Lanhe Zhang ,  Sanjib Biswas ,  Eduardo Alvarez ,  Aleksandar Stoiljkovic ,  Rajen M. Patel

IPC分类号： D04H3/007 ,  C08F210/16 ,  D01F6/46 ,  D01F8/06 ,  D04H1/4291

CPC分类号： D04H3/007 ,  D01F6/46 ,  D01F8/06 ,  D04H1/4291 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/06 ,  C08F2500/12 ,  D10B2321/021 ,  D10B2321/022 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/02 ,  C08F2500/06 ,  C08F2500/29 ,  C08F210/16 ,  C08F2/001 ,  C08F210/16 ,  C08F4/64193

摘要： A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm3, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw(GPC)/Mn(GPC)) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.

公开(公告)号：US12065515B2

公开(公告)日：2024-08-20

申请号：US17603210

申请日：2020-08-27

申请人： LG Chem, Ltd.

发明人： Sang Eun Park ,  In Sung Park ,  Eun Jung Lee ,  Hyun Jin Ju ,  Tae Su Kim ,  Choong Hoon Lee ,  Jin Sam Gong ,  Jung Ho Jun ,  Rae Keun Gwak

IPC分类号： C08F110/06 ,  C08F4/6592 ,  C08L23/08

CPC分类号： C08F110/06 ,  C08F4/6592 ,  C08L23/0815 ,  C08L2203/30 ,  C08L2205/02 ,  C08F210/16 ,  C08F210/08 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/02 ,  C08F2500/03 ,  C08F2500/34 ,  C08F2500/35 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/02 ,  C08F2500/03 ,  C08F2500/34 ,  C08F2500/35 ,  C08F210/16 ,  C08F4/6592 ,  C08F210/16 ,  C08F2/06 ,  C08L23/142 ,  C08L23/0815

摘要： The present invention relates to a polypropylene-based composite material having improved physical properties including impact strength at low temperature and at room temperature, flexural strength, flexural modulus, etc., and a method for preparing the same.

公开(公告)号：US20240218104A1

公开(公告)日：2024-07-04

申请号：US18288438

申请日：2022-04-11

申请人： COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

发明人： François JEAN-BAPTISTE-DIT-DOMINIQUE ,  Robert NGO ,  Julien THUILLIEZ

IPC分类号： C08F236/06 ,  C08F2/06 ,  C08F4/54 ,  C08F4/654 ,  C08F210/02 ,  C08F210/14

CPC分类号： C08F236/06 ,  C08F2/06 ,  C08F4/545 ,  C08F4/6546 ,  C08F210/02 ,  C08F210/14 ,  C08F2420/00 ,  C08F2438/00 ,  C08F2810/40

摘要： A copolymer of a 1,3-diene and of an olefin is provided. The copolymer bears, at one of its chain ends, a functional group of formula —CH2—CH(CH3)—COOZ, Z being a hydrogen atom or a carbon-comprising group. A process of preparation of the copolymer is also provided. The olefin is ethylene or a mixture of ethylene and of an α-monoolefin.

公开(公告)号：US12012475B2

公开(公告)日：2024-06-18

申请号：US17279240

申请日：2019-10-11

申请人： Dow Global Technologies LLC

发明人： Roger L. Kuhlman ,  Bethany M. Neilson ,  John F. Szul ,  Ian M. Munro

IPC分类号： C08F4/64 ,  C08F2/34 ,  C08F210/02 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08F210/16

CPC分类号： C08F4/64148 ,  C08F2/34 ,  C08F210/02 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08F210/16

摘要： A method of polymerizing an olefin monomer to make a polyolefin composition comprising a polyolefin polymer, the method comprising contacting a solution of an alkane-soluble non-metallocene precatalyst dissolved in an alkane solvent with an activator so as to make a trim catalyst comprising an alkane-soluble non-metallocene catalyst, feeding the trim catalyst, as a solution in an alkane solvent or supported on a support material as a dry powder or a slurry thereof in an alkane solvent, into a polymerization reactor, and polymerizing the olefin monomer with the trim catalyst in the polymerization reactor, thereby making the polyolefin composition.

公开(公告)号：US20240124629A1

公开(公告)日：2024-04-18

申请号：US18395989

申请日：2023-12-26

申请人： NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.

发明人： Masanao Kawabe ,  Tadashi Kuratomi ,  Shinichi Iwashita

IPC分类号： C08F212/08 ,  B60C1/00 ,  C08F2/06 ,  C08F2/44 ,  C08F8/42 ,  C08F210/14 ,  C08F212/02 ,  C08F212/12 ,  C08F212/32 ,  C08F212/34 ,  C08F212/36 ,  C08F232/08 ,  C08F236/10 ,  C08F255/08 ,  C08F257/00 ,  C08F257/02 ,  C08F277/00 ,  C08F289/00 ,  C08K3/013 ,  C08K3/22 ,  C08L25/04 ,  C08L51/00 ,  C08L51/06

CPC分类号： C08F212/08 ,  B60C1/00 ,  C08F2/06 ,  C08F2/44 ,  C08F8/42 ,  C08F210/14 ,  C08F212/02 ,  C08F212/12 ,  C08F212/32 ,  C08F212/34 ,  C08F212/36 ,  C08F232/08 ,  C08F236/10 ,  C08F255/08 ,  C08F257/00 ,  C08F257/02 ,  C08F277/00 ,  C08F289/00 ,  C08K3/013 ,  C08K3/22 ,  C08L25/04 ,  C08L51/003 ,  C08L51/06 ,  C08K3/04

摘要： Provided is a polyfunctional vinyl aromatic copolymer having reactivity and solubility that can be used for manufacturing a copolymer rubber and a copolymer rubber material having processability, strength and homogeneity obtained therefrom. The polyfunctional vinyl aromatic copolymer includes: 0.5 mol % or more and 40 mol % or less of a structural unit (a) derived from a divinyl aromatic compound and 60 mol % or more and 99.5 mol % or less of a structural unit (b) derived from a monovinyl aromatic compound, in which at least some of the structural units (a) are a crosslinked structural unit (a2) represented by the following Formula (2) and a vinyl-group-containing structural unit (a1) represented by the following Formula (1):




in the formulas, R1's independently represent an aromatic hydrocarbon group having 6 to 30 carbon atoms.

公开(公告)号：US11905403B2

公开(公告)日：2024-02-20

申请号：US17049077

申请日：2020-01-21

申请人： LG Chem, Ltd.

发明人： Moon Seok Chun ,  Kyung An Kwon

IPC分类号： C08L29/04 ,  C08F8/12 ,  C08F210/02 ,  C08F216/06 ,  C08F218/08 ,  C08F220/42 ,  C08F8/30 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08K3/22

CPC分类号： C08L29/04 ,  C08F8/12 ,  C08F210/02 ,  C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08F216/06 ,  C08F218/08 ,  C08F220/42 ,  C08K3/22 ,  C08F8/30 ,  C08F2800/10 ,  C08L2201/14 ,  C08L2203/16

摘要： In the present disclosure, there are provided a vinyl alcohol-based copolymer including a first repeating unit derived from an olefin, a second repeating unit containing a hydroxyl group, and a third repeating unit containing a cyanoalkyloxy group formed by a reaction of the repeating unit containing a hydroxyl group and an unsaturated nitrile-based compound, wherein the third repeating unit is included in an amount of 2 mol % or more and less than 10 mol % with respect to 100 mol % of a total amount of the second repeating unit and the third repeating unit; a method for preparing the same; and a gas barrier film including the same. The vinyl alcohol-based copolymer has excellent moisture stability, thereby exhibiting excellent gas barrier properties even in a humid environment.

公开(公告)号：US20230399425A1

公开(公告)日：2023-12-14

申请号：US18035815

申请日：2021-11-22

申请人： SABIC GLOBAL TECHNOLOGIES B.V.

发明人： Miloud BOUYAHYI ,  Lidia JASINSKA-WALC ,  Robbert DUCHATEAU

IPC分类号： C08F210/14 ,  C08F4/76 ,  C08F4/52 ,  C08F210/06

CPC分类号： C08F210/14 ,  C08F4/76 ,  C08F4/52 ,  C08F210/06 ,  C08F2410/04

摘要： The present invention relates to a process for solution copolymerization process to produce a functionalized polyolefin using a catalyst system comprising a hafnium or zirconium complex of a polyvalent aryloxyether and a co-catalyst selected from the group: MAO, DMAO, MMAO, SMAO and ammonium salts or trityl salts of fluorated tetraarylborates.

公开(公告)号：US11827725B2

公开(公告)日：2023-11-28

申请号：US16976497

申请日：2019-03-22

申请人： Univation Technologies, LLC

发明人： Nitin Borse ,  Swapnil B. Chandak ,  Yi Zhang ,  Timothy R. Lynn ,  Roger L Kuhlman ,  John F. Szul

IPC分类号： C08F210/02 ,  B29C45/00 ,  C08F2/34 ,  C08F4/64 ,  C08F4/659 ,  C08F4/6592 ,  C08F210/04 ,  C08F210/14 ,  B29L31/56

CPC分类号： C08F210/02 ,  B29C45/0001 ,  C08F2/34 ,  C08F4/64148 ,  C08F4/65904 ,  C08F4/65925 ,  C08F210/04 ,  C08F210/14 ,  B29L2031/565

摘要： A bimodal polyethylene composition, products made therefrom, methods of making and using same, and articles, including bottle caps and closures, containing same.