公开(公告)号：US20180201704A1

公开(公告)日：2018-07-19

申请号：US15868276

申请日：2018-01-11

Applicant: JAPAN POLYETHYLENE CORPORATION ,  JAPAN POLYPROPYLENE CORPORATION

Inventor： Naomasa SATO ,  Fumihiko SHIMIZU ,  Akio TANNA ,  Toshiaki EGASHIRA

IPC: C08F210/02 ,  C08F8/12

Abstract: 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.

公开(公告)号：US09862783B2

公开(公告)日：2018-01-09

申请号：US15024591

申请日：2014-09-26

Applicant: JAPAN POLYPROPYLENE CORPORATION ,  JAPAN POLYETHYLENE CORPORATION

Inventor： Akio Tanna ,  Naomasa Sato ,  Yohei Konishi ,  Yasuo Oishi

IPC: C08F10/06 ,  C07F15/04 ,  C07F9/50 ,  C07F15/00 ,  C08F210/06

CPC classification number: C08F10/06 ,  C07F9/5022 ,  C07F15/0066 ,  C07F15/0093 ,  C07F15/045 ,  C08F210/06 ,  C08F220/14 ,  C08F2500/01 ,  C08F2500/03 ,  C08F2220/1825 ,  C08F4/7013

Abstract: A compound represented by the following general formula (1):

公开(公告)号：US09751961B2

公开(公告)日：2017-09-05

申请号：US15030453

申请日：2014-10-24

Applicant: JAPAN POLYPROPYLENE CORPORATION

Inventor： Miyuki Murase ,  Takehiro Sagae ,  Masahide Murata

IPC: C08F4/02 ,  C08F4/6592 ,  C08F10/06 ,  C08F4/659

CPC classification number: C08F10/06 ,  C08F4/02 ,  C08F4/025 ,  C08F4/65912 ,  C08F4/65927 ,  C08F10/00 ,  C08F4/65916

Abstract: Provided are a catalyst component for olefin polymerization which is highly active, an olefin polymerization catalyst, and a process for producing an olefin (co)polymer using the catalyst. The catalyst component for olefin polymerization is characterized by comprising an ion-exchanged phyllosilicate having the property 1 and preferably further having the property 2, etc.

公开(公告)号：US20170218189A1

公开(公告)日：2017-08-03

申请号：US15515405

申请日：2014-10-01

Applicant: JAPAN POLYPROPYLENE CORPORATION

Inventor： Masayuki KABEYA ,  Kazunobu NAKAMORI ,  Itsushi IMAMURA

IPC: C08L23/12 ,  C09K21/12

CPC classification number: C08L23/12 ,  C08J5/00 ,  C08K5/49 ,  C08K7/04 ,  C08L27/18 ,  C08L2201/02 ,  C08L2205/025 ,  C08L2205/03 ,  C09K21/12

Abstract: Provided are a polypropylene resin composition comprising a polypropylene resin (A), a specific fiber (B), an organic flame retardant (C) and a polytetrafluoroethylene resin (D) each in a specific amount, and a molded article obtained by molding the composition.

公开(公告)号：US20160272736A1

公开(公告)日：2016-09-22

申请号：US15030453

申请日：2014-10-24

Applicant: JAPAN POLYPROPYLENE CORPORATION

Inventor： Miyuki MURASE ,  Takehiro SAGAE ,  Masahide MURATA

IPC: C08F10/06

CPC classification number: C08F10/06 ,  C08F4/02 ,  C08F4/025 ,  C08F4/65912 ,  C08F4/65927 ,  C08F10/00 ,  C08F4/65916

Abstract: Provided are a catalyst component for olefin polymerization which is highly active, an olefin polymerization catalyst, and a process for producing an olefin (co)polymer using the catalyst. The catalyst component for olefin polymerization is characterized by comprising an ion-exchanged phyllosilicate having the property 1 and preferably further having the property 2, etc.

Abstract translation: 提供高活性的烯烃聚合用催化剂组分，烯烃聚合催化剂，以及使用该催化剂生产烯烃（共）聚合物的方法。 用于烯烃聚合的催化剂组分的特征在于包含具有性质1并优选具有2等性质的离子交换页硅酸盐等

公开(公告)号：US20160264699A1

公开(公告)日：2016-09-15

申请号：US15161663

申请日：2016-05-23

Applicant: Japan Polyethylene Corporation ,  Japan Polypropylene Corporation

Inventor： Minoru KOBAYASHI ,  Hideshi UCHINO ,  Kazuhiro YAMAMOTO ,  Toshiaki EGASHIRA ,  Hiroyuki SHIMIZU ,  Tetsuya MORIOKA

IPC: C08F210/02

CPC classification number: C08F210/02 ,  C07F9/5022 ,  C07F9/65515 ,  C07F9/74 ,  C07F15/04 ,  C08F10/00 ,  C08F210/16 ,  C08F4/80 ,  C08F210/06 ,  C08F2500/03 ,  C08F210/14 ,  C08F2/00

Abstract: To provide an industrially useful α-olefin•((meth)acrylic acid)-based olefin copolymer having both a high molecular weight and a high comonomer content, a catalyst component capable of realizing a production of two different kinds of α-olefin•((meth)acrylic acid)-based olefin copolymers, and a production process using the catalyst. An α-olefin•((meth)acrylic acid)-based olefin copolymer is produced by using a metal complex complexed with a ligand represented by the following formula (Y is phosphorus or arsenic) for a catalyst composition.

公开(公告)号：US09284427B2

公开(公告)日：2016-03-15

申请号：US14372936

申请日：2013-02-22

Applicant: Japan Polypropylene Corporation

Inventor： Sachio Hotta ,  Kazuo Asuka ,  Shinichi Kitade ,  Kuninori Takahashi ,  Iku Kouzai ,  Takao Tayano

IPC: C08J9/00 ,  B29C47/00 ,  B29C47/06 ,  B29C51/02 ,  B32B27/06 ,  B32B27/32 ,  B32B5/18 ,  C08L23/12 ,  C08J9/04 ,  C08F297/08 ,  C08F10/06 ,  C08F4/659 ,  B29K23/00 ,  B29K105/04 ,  B29K105/00 ,  B29K509/00

CPC classification number: C08J9/0061 ,  B29C47/0004 ,  B29C47/004 ,  B29C47/06 ,  B29C47/065 ,  B29C51/02 ,  B29K2023/08 ,  B29K2023/12 ,  B29K2023/14 ,  B29K2105/046 ,  B29K2105/256 ,  B29K2509/00 ,  B32B5/18 ,  B32B27/065 ,  B32B27/32 ,  B32B2305/022 ,  B32B2307/304 ,  B32B2307/306 ,  B32B2307/558 ,  B32B2323/10 ,  B32B2439/00 ,  B32B2605/00 ,  C08F4/65912 ,  C08F10/06 ,  C08F297/08 ,  C08J9/04 ,  C08J2201/03 ,  C08J2323/12 ,  C08J2323/14 ,  C08J2423/14 ,  C08L23/12 ,  C08L2203/14 ,  C08L2203/30 ,  C08L2205/03 ,  Y10T428/249992 ,  C08F110/06 ,  C08F4/6492 ,  C08F4/65927 ,  C08L53/00

Abstract: Provided is a polypropylene-based resin composition which gives uniform and fine cells and from which a foamed sheet and thermoform excellent in appearance, thermoformability, impact resistance, lightness, stiffness, heat resistance, heat insulating properties, oil resistance and the like can be produced. A polypropylene-based resin composition comprising (X) 5 to 99% by weight of a polypropylene resin having a structure with long chain branches, and (Y) 1 to 95% by weight of a propylene-based block copolymer produced by sequential polymerization, which block copolymer comprises (Y-1) a propylene (co)polymer and (Y-2) a propylene-ethylene copolymer.

Abstract translation: 本发明提供一种均匀细小的聚丙烯系树脂组合物，能够制造发泡片和外观优异，耐热成型性，耐冲击性，亮度，刚度，耐热性，隔热性，耐油性等优异的热成型体。 。 一种聚丙烯系树脂组合物，其含有（X）5〜99重量％的具有长支链结构的聚丙烯树脂和（Y）1〜95重量％的通过顺序聚合制备的丙烯类嵌段共聚物， 该嵌段共聚物包含（Y-1）丙烯（共）聚合物和（Y-2）丙烯 - 乙烯共聚物。

公开(公告)号：US20150315365A1

公开(公告)日：2015-11-05

申请号：US14648788

申请日：2013-12-04

Applicant: JAPAN POLYPROPYLENE CORPORATION

Inventor： Naoya AOKI ,  Kazumasa KONDO ,  Kenji MASUDA ,  Masashi SHIMOUSE

IPC: C08K7/14 ,  C08L23/16 ,  C08L53/00

CPC classification number: C08K7/14 ,  B29C45/0001 ,  B29C45/0005 ,  B29K2105/12 ,  B29K2223/14 ,  C08F297/083 ,  C08J5/042 ,  C08J5/043 ,  C08J2323/14 ,  C08J2323/16 ,  C08K7/06 ,  C08L23/06 ,  C08L23/08 ,  C08L23/10 ,  C08L23/14 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2207/04

Abstract: Provided are a fiber-reinforced polypropylene resin composition, and a molded article prepared therefrom having good grain transfer characteristics, a good appearance, a soft surface texture, high rigidity, and high heat resistance.The fiber-reinforced polypropylene resin composition contains a specific propylene-ethylene random copolymer and a specific fiber, and optionally contains a propylene-ethylene block copolymer satisfying four conditions, such as sequential polymerization in the presence of a metallocene catalyst, a thermoplastic elastomer satisfying two conditions, such as MFR, and a specific propylene polymer resin.

Abstract translation: 提供一种纤维增强聚丙烯树脂组合物及其制备的模塑制品，具有良好的颗粒转移特性，良好的外观，柔软的表面质地，高刚性和高耐热性。 纤维增强聚丙烯树脂组合物含有特定的丙烯 - 乙烯无规共聚物和特定纤维，并且任选地含有满足四个条件的丙烯 - 乙烯嵌段共聚物，例如在金属茂催化剂存在下的顺序聚合，满足两个 条件，如MFR，和特定的丙烯聚合物树脂。

公开(公告)号：US20150266914A1

公开(公告)日：2015-09-24

申请号：US14435819

申请日：2013-10-28

Applicant: JAPAN POLYPROPYLENE CORPORATION

Inventor： Masami Kashimoto ,  Takayoshi Takahashi ,  Naoshi Iwama ,  Masato Nakano ,  Toshinori Suzuki

IPC: C07F17/00 ,  C08F293/00

CPC classification number: C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F10/06 ,  C08F293/00 ,  C08F297/083 ,  C08F4/65927 ,  C08F4/6492 ,  C08F110/06 ,  C08F2500/12 ,  C08F210/06 ,  C08F210/02 ,  C08F2500/21 ,  C08F2500/01

Abstract: Provided are a metallocene complex that facilitates copolymerization of olefin monomers including propylene at a higher uptake rate of comonomers, i.e., ethylene and α-olefin, manufacture of a rubber component having a higher molecular weight, and manufacture of homopolypropylene having a higher melting point through homopolymerization of propylene, compared to traditional metallocene catalysts, and a method of olefin polymerization in the presence of such a metallocene complex. Also provided are, for example, a metallocene complex represented by general formula [I] (e.g., a metallocene complex having a substituent at position 6 of one or each indenyl ring and an optionally substituted furyl or thienyl group at position 2 of one or each indenyl ring), an olefin polymerization catalyst containing the metallocene complex, and a method of olefin polymerization involving olefin polymerization or copolymerization in the presence of the olefin polymerization catalyst.

Abstract translation: 提供了一种茂金属络合物，其促进烯烃单体（包括丙烯）以更高的共聚单体（即乙烯和α-烯烃）的吸收速率的共聚，制备具有较高分子量的橡胶组分，以及制造具有较高熔点的均聚丙烯 与传统的茂金属催化剂相比，丙烯的均聚，以及在这种茂金属络合物存在下烯烃聚合的方法。 还提供了例如由通式[I]表示的茂金属络合物（例如，在一个或每个茚基环的6位上具有取代基的金属茂络合物和位置2上任选取代的呋喃基或噻吩基的一个或多个 茚基环），含有茂金属络合物的烯烃聚合催化剂，以及在烯烃聚合催化剂存在下进行烯烃聚合或共聚的烯烃聚合方法。

公开(公告)号：US20240182609A1

公开(公告)日：2024-06-06

申请号：US18283127

申请日：2022-03-11

Applicant: JAPAN POLYPROPYLENE CORPORATION

Inventor： Masaaki ITO ,  Jun SHINOZAKI ,  Tomoki UCHIDA ,  Miori TAKIZAWA

IPC: C08F110/06 ,  C08F2/00 ,  C08F4/649 ,  C08F4/659 ,  C08F4/6592

CPC classification number: C08F110/06 ,  C08F2/001 ,  C08F4/6492 ,  C08F4/65904 ,  C08F4/65927

Abstract: A branched propylene-based polymer having the following properties (1) to (5):



property (1): MFR of 10 g/10 min to 100 g/10 min;
property (2): Mw/Mn is 2.5 or more and less than 3.5; Mz/Mw is 3.0 to 4.7; and Mz is 50.0×104 to 94.0×104;
property (3): in an integral molecular weight distribution curve obtained by GPC, a percentage of a component having a molecular weight of 100×104 or more, is 1.5 mass to 4.0 mass %;
property (4): in a molecular weight distribution curve obtained by 3D-GPC, a branching index g′(100×104) at an absolute molecular weight Mabs of 100×104 is more than 0.70 and 0.85 or less; and
property (5): a ratio [η*(0.01)η*(100)] between a complex viscosity η*(0.01) and a complex viscosity η*(100) in dynamic viscoelasticity measurement, is 4.0 to 20, and η*(0.01)/η*(100) and the MFR satisfy specific relations.