公开(公告)号：US11697698B2

公开(公告)日：2023-07-11

申请号：US17046036

申请日：2019-03-07

申请人： The University of Tokyo ,  SHOWA DENKO K. K. ,  Japan Polyethylene Corporation

发明人： Kyoko Nozaki ,  Shingo Ito ,  Junichi Kuroda ,  Yoshikuni Okumura ,  Shinya Hayashi ,  Minoru Kobayashi ,  Yuichiro Yasukawa

IPC分类号： C08F4/80 ,  C08F4/52 ,  C08F210/02 ,  C08F218/12 ,  C08F4/70 ,  C08F218/10 ,  C08K5/00 ,  C08K5/55

CPC分类号： C08F210/02 ,  C08F4/52 ,  C08F4/7062 ,  C08F4/7098 ,  C08F4/80 ,  C08F218/10 ,  C08K5/0091 ,  C08K5/55

摘要： The present invention pertains to a method for producing a copolymer of ethylene and an allyl monomer having a polar group represented by general formula (1), or a copolymer of ethylene, an allyl monomer having a polar group represented by general formula (1), and other monomers, wherein the copolymer is produced in the presence of a boron compound having a boron-hydrogen bond or a boron-carbon bond (for example, a compound represented by general formula (2)) by using a metal complex represented by general formula (C1) as a polymerization catalyst (the symbols in the formulas are as described in the description). According to the present invention, a copolymer of ethylene and an allyl monomer can be efficiently produced with high catalytic activity, wherein the copolymer has a polar group and can be used in various applications.

公开(公告)号：US20220251430A1

公开(公告)日：2022-08-11

申请号：US17622942

申请日：2020-06-23

申请人： JAPAN POLYETHYLENE CORPORATION

发明人： Masahiro UENO ,  Makoto YANAGIE ,  Masahiro UEMATSU

IPC分类号： C09J133/08 ,  C09J7/38

摘要： A polymer composition for lamination characterized in that the composition consists of (X1) 100 to 60% by weight of an ionomer characterized in that at least a part of a carboxyl group and/or a dicarboxylic anhydride group in a copolymer (P) containing a structural unit (A) derived from ethylene and/or an α-olefin having 3 to 20 carbon atoms and a structural unit (B) derived from a monomer having a carboxyl group and/or a dicarboxylic anhydride group as essential constitutional units being converted into a metal-containing carboxylic acid salt containing at least one kind of a metal ion(s) selected from Group 1, Group 2 or Group 12 of the periodic table, and a phase angle δ of the ionomer at an absolute value G*=0.1 MPa of a complex modulus of elasticity measured by a rotary rheometer is a range of 50 degrees to 75 degrees, and (X2) 40 to 0% by weight of an ethylene-based copolymer.

公开(公告)号：US20220251268A1

公开(公告)日：2022-08-11

申请号：US17622946

申请日：2020-06-24

申请人： JAPAN POLYETHYLENE CORPORATION

发明人： Keiichi YOSHIMOTO ,  Masahiro UEMATSU ,  Kaoru YASUDA

IPC分类号： C08F222/04 ,  C08L23/08 ,  C08F4/70 ,  B29C45/00 ,  B29C43/00

摘要： A resin composition for injection molding or compression molding using an ethylene-based ionomer is excellent in impact strength, heat resistance, long-term durability, etc. The resin composition includes an ionomer in which, in a copolymer (P) containing a structural unit (A) derived from ethylene and/or an α-olefin having 3 to 20 carbon atoms, and a structural unit (B) derived from a monomer having a carboxyl group(s) and/or a dicarboxylic anhydride group(s) as essential constitutional units, at least a part of the carboxyl groups and/or the dicarboxylic anhydride groups in the copolymer (P) being converted into a metal-containing carboxylic acid salt(s) containing at least one kind of a metal ion(s) selected from Group 1, Group 2 or Group 12 of the periodic table, and has a phase angle S at an absolute value G*=0.1 MPa of a complex modulus of elasticity measured by a rotary rheometer of 50 degrees to 75 degrees.

公开(公告)号：US20210147669A1

公开(公告)日：2021-05-20

申请号：US16624055

申请日：2018-07-17

申请人： SHOWA DENKO K.K. ,  JAPAN POLYETHYLENE CORPORATION

发明人： Junichi KURODA ,  Yoshikuni OKUMURA ,  Shinya HAYASHI ,  Masahiro UEMATSU ,  Takaaki HATTORI ,  Yuichiro YASUKAWA

IPC分类号： C08L29/04 ,  C08L23/08

摘要： A gas-barrier resin (A) having an oxygen permeability coefficient of 1.0×10−14 (cm3·cm/cm2·s·Pa) or less; and a copolymer (B) containing monomer structural units represented by the formula (1), the formula (2), and the formula (3): where: R1 represents a hydrogen atom or a methyl group; R2 represents a hydrocarbon group having 1 to 20 carbon atoms that may be substituted with a halogen atom, a hydroxy group, an alkoxy group, or an amino group; 1, m, and n represent numerical values representing molar proportions of the respective monomer structural units, and n may represent 0; and p represents an integer of from 1 to 4, wherein a ratio of a mass of the copolymer (B) to a total mass of the gas-barrier resin (A) and the copolymer (B) is from 1 mass % to 40 mass %.

公开(公告)号：US10995167B2

公开(公告)日：2021-05-04

申请号：US16084787

申请日：2017-03-10

申请人： JAPAN POLYETHYLENE CORPORATION

发明人： Tsutomu Sakuragi ,  Yoshiyuki Ishihama

IPC分类号： C07F17/00 ,  C08F4/6592 ,  C08F210/16 ,  C08F4/659

摘要： The metallocene compound represented by the following general formula (1): (the numerals and signs in the general formula (1) are as described in the description).

公开(公告)号：US20210122853A1

公开(公告)日：2021-04-29

申请号：US17040172

申请日：2019-03-18

申请人： JAPAN POLYETHYLENE CORPORATION ,  JAPAN POLYPROPYLENE CORPORATION

发明人： Yohei KONISHI ,  Hiromasa TANAHASHI ,  Hisashi OHTAKI ,  Naomasa SATO

IPC分类号： C08F210/02 ,  C08F220/18 ,  C08F4/70 ,  C08F4/659

摘要： A catalyst configured to be handled more easily than conventional catalysts and configured to copolymerize an α-olefin and a (meth)acrylic acid ester with high activity. The objects are achieved by polymerization using an olefin polymerization catalyst which contains a metal complex obtained by reacting a ligand having a specific structure and a transition metal compound containing a transition metal selected from nickel or palladium having a specific structure.

公开(公告)号：US10301401B2

公开(公告)日：2019-05-28

申请号：US15328196

申请日：2015-07-23

申请人： JAPAN POLYETHYLENE CORPORATION ,  JAPAN POLYPROPYLENE CORPORATION

发明人： Yohei Konishi ,  Yasuo Maruyama ,  Naomasa Sato ,  Akio Tanna

IPC分类号： C08F4/70 ,  C08F4/80 ,  C08F4/02 ,  C08F10/02

摘要： An object of the present invention is to provide a novel catalyst for olefin (co)polymer production, which has high activity without using a large amount of a cocatalyst and is aimed for obtaining a particulate olefin (co)polymer. The invention relates to an olefin polymerization catalyst which comprises: a solid carrier (1) that has been brought into contact with a specific compound; and a metal catalyst component (2) that contains a transition metal compound (C) containing a transition metal M belonging to Group 9, 10, or 11 of the periodic table and has a reactive group Ra.

公开(公告)号：US20190010265A1

公开(公告)日：2019-01-10

申请号：US16081311

申请日：2017-03-03

申请人： JAPAN POLYETHYLENE CORPORATION

发明人： Tsutomu SAKURAGI ,  Yoshiyuki ISHIHAMA

IPC分类号： C08F210/08 ,  C07F7/08

摘要： The metallocene compound represented by the following general formula (I): (the numerals and signs in the general formula (1) are as described in the description).

公开(公告)号：US20170002120A1

公开(公告)日：2017-01-05

申请号：US15113243

申请日：2015-01-26

申请人： JAPAN POLYETHYLENE CORPORATION ,  JAPAN POLYPROPYLENE CORPORATION

发明人： Naomasa SATO ,  Fumihiko SHIMIZU ,  Akio TANNA ,  Toshiaki EGASHIRA

IPC分类号： C08F210/02

CPC分类号： C08F210/02 ,  C08F8/12 ,  C08F2500/12 ,  C08F2800/10 ,  C08F2810/50 ,  C08F220/06 ,  C08F2220/1825 ,  C08F4/80 ,  C08F2500/03

摘要： Provided is a process of effectively producing an ethylene/unsaturated carboxylic acid copolymer having excellent mechanical and thermal properties. A process for producing an ethylene/unsaturated carboxylic acid copolymer comprises: producing an ethylene/unsaturated carboxylic acid ester copolymer from ethylene and unsaturated carboxylic acid ester using a late-transition-metal complex catalyst; and heating the ethylene/unsaturated carboxylic acid ester copolymer at a temperature capable of converting the ester group into a carboxylic acid group, thereby converting into the ethylene/unsaturated carboxylic acid copolymer.

摘要翻译： 提供了有效制备具有优异机械和热性能的乙烯/不饱和羧酸共聚物的方法。 一种制备乙烯/不饱和羧酸共聚物的方法包括：使用后过渡金属络合物催化剂由乙烯和不饱和羧酸酯制备乙烯/不饱和羧酸酯共聚物; 在能够将酯基转化为羧酸基的温度下加热乙烯/不饱和羧酸酯共聚物，从而转变成乙烯/不饱和羧酸共聚物。

公开(公告)号：US20160244544A1

公开(公告)日：2016-08-25

申请号：US15041044

申请日：2016-02-11

申请人： JAPAN POLYETHYLENE CORPORATION

发明人： Yoshiyuki ISHIHAMA ,  Ryousuke Asakawa ,  Tsutomu Sakuragi ,  Tetsurou Fukuda ,  Kazuya Sakata ,  Masaru Aoki ,  Kenji Kawagishi ,  Keiichi Yoshimoto

IPC分类号： C08F210/16

CPC分类号： C08F210/16 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F10/02 ,  C08J5/18 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2314/06 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/26 ,  C08F210/08

摘要： An object of the present invention is to provide a polyethylene-based resin composition excellent in the moldability and at the same time, excellent in the balance between impact strength and stiffness as well as in the transparency, and a molded product and a film, which are obtained by the molding of the polyethylene-based resin composition. The polyethylene-based resin composition of the present invention comprises from 41 to 99 wt % of (A) an ethylene-based polymer satisfying specific conditions and from 1 to 59 wt/of (B) an ethylene-based polymer satisfying specific conditions, wherein MFR of the composition as a whole is from 0.05 to 50 g/10 min and the density is from 0.910 to 0.960 g/cm3.

摘要翻译： 本发明的目的是提供一种成型性优异，同时在冲击强度和刚度以及透明性之间的平衡方面优异的聚乙烯类树脂组合物，以及成型体和膜，其中 是通过模塑聚乙烯类树脂组合物得到的。 本发明的聚乙烯类树脂组合物含有（A）满足特定条件的（A）乙烯类聚合物和1-59重量％（B）满足特定条件的乙烯类聚合物的41〜99重量％，其中， 组合物的总体MFR为0.05〜50g / 10min，密度为0.910〜0.960g / cm 3。