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公开(公告)号：US20050143510A1
公开(公告)日：2005-06-30
申请号：US11017085
申请日：2004-12-21
申请人： Kouichi Nakayama , Yukihito Zanka
发明人： Kouichi Nakayama , Yukihito Zanka
IPC分类号： C08F297/08 , C08K3/00 , C08K7/06 , C08L23/08 , C08L23/10 , C08L23/16 , C08L53/00 , C08L53/02 , C08K3/26 , C08K3/34 , C08K3/04
CPC分类号： C08F297/08 , C08K3/01 , C08L23/0815 , C08L23/10 , C08L23/16 , C08L53/00 , C08L53/02 , C08L53/025 , C08L2205/03 , C08L2205/035 , C08L2666/06 , C08L2666/02 , C08L2666/24 , C08L2666/04 , C08L23/12
摘要： A polypropylene-based resin composition of drastically improved dimensional stability realized by incorporating a polypropylene resin of specific structure with an inorganic filler of specific particle size, carbon fibers of specific fiber diameter and length, and, as required, an ethylene- and/or styrene-based elastomer. Another polypropylene-based resin composition of well-balanced properties of rigidity, heat-resistance, impact resistance and lightness even essentially in the absence of inorganic filler, realized by compositing a propylene/ethylene block copolymer of specific structure and well-balanced mechanical properties with an ethylene- and/or styrene-based elastomer, and carbon fibers of specific structure.
摘要翻译： 通过将特定结构的聚丙烯树脂与特定粒径的无机填料，特定纤维直径和长度的碳纤维以及根据需要的乙烯和/或苯乙烯混合而实现的大大改进的尺寸稳定性的聚丙烯基树脂组合物 基弹性体。 通过将具有特定结构的丙烯/乙烯嵌段共聚物和良好平衡的机械性能的合成实现的另一种聚丙烯基树脂组合物，即使基本上不存在无机填料，刚性，耐热性， 乙烯和/或苯乙烯基弹性体，以及特定结构的碳纤维。
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公开(公告)号：US20240182609A1
公开(公告)日：2024-06-06
申请号：US18283127
申请日：2022-03-11
发明人： Masaaki ITO , Jun SHINOZAKI , Tomoki UCHIDA , Miori TAKIZAWA
IPC分类号： C08F110/06 , C08F2/00 , C08F4/649 , C08F4/659 , C08F4/6592
CPC分类号： C08F110/06 , C08F2/001 , C08F4/6492 , C08F4/65904 , C08F4/65927
摘要： 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.-
公开(公告)号：US11739171B2
公开(公告)日：2023-08-29
申请号：US17040172
申请日：2019-03-18
IPC分类号： C08F4/70 , C08F220/18 , C08F210/02 , C08F4/659
CPC分类号： C08F210/02 , C08F4/65912 , C08F4/7027 , C08F4/7031 , C08F4/7098 , C08F220/1804
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.
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公开(公告)号：US20230174758A1
公开(公告)日：2023-06-08
申请号：US17927453
申请日：2021-05-28
发明人： Tomoki UCHIDA , Takahisa NISHIBU , Masaaki ITO , Miori TAKIZAWA
CPC分类号： C08L23/10 , C08F10/06 , C08J3/005 , C08J2323/10 , C08J2423/10 , C08L2205/025
摘要： Provided is A polypropylene-based resin composition comprising 2 mass % to 30 mass % of a polypropylene resin (X1) having specific properties, 5 mass % to 98 mass % of a polypropylene resin (X2) having specific properties, and 0 mass % to 80 mass % of a polypropylene-based resin (Y) having specific properties, wherein the total amount of the polypropylene resin (X1), the polypropylene resin (X2) and the polypropylene-based resin (Y) is 100 mass %.
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公开(公告)号：US20220144978A1
公开(公告)日：2022-05-12
申请号：US17598692
申请日：2020-03-17
发明人： Morikazu NIIBE , Miyuki MURASE , Takehiro SAGAE
IPC分类号： C08F10/06
摘要： The present invention relates to a method for producing a catalyst component for olefin polymerization, the method including step (3): granulating, by a spray drying, an aqueous slurry of an ion-exchangeable second layered silicate (B) that satisfies that an average particle diameter is 0.03 μm to 0.4 μm, and a Rosin-Rammler distribution constant n determined from a particle size distribution is 1.5 or more; and step (4): bringing the obtained first layered silicate granulated particles (C) into contact with acid to obtain chemically treated ion-exchangeable second layered silicate granulated particles (D).
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公开(公告)号：US20220135718A1
公开(公告)日：2022-05-05
申请号：US17431975
申请日：2020-02-27
IPC分类号： C08F210/02 , C08F4/80
摘要： A multi-component ionomer, wherein, in a multi-component copolymer (D) comprising, as essential constitutional units, a structural unit (A) derived from at least one selected from the group consisting of ethylene and an α-olefin containing 3 to 20 carbon atoms, a structural unit (B) derived from a monomer containing at least one selected from the group consisting of a carboxy group and a dicarboxylic anhydride group, and a structural unit (C) derived from a specific acyclic monomer, at least a part of at least one selected from the group consisting of a carboxy group and a dicarboxylic anhydride group of the structural unit (B) is converted into a specific metal-containing carboxylate, and wherein a phase angle δ at which an absolute value G* of a complex modulus measured with a rotational rheometer is 0.1 MPa (G*=0.1 MPa) is from 50 degrees to 75 degrees.
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公开(公告)号：US10975182B2
公开(公告)日：2021-04-13
申请号：US16147980
申请日：2018-10-01
发明人： Kazunari Abe , Minoru Kobayashi , Hideshi Uchino , Hiroyuki Shimizu , Tetsuya Morioka , Naoshi Iwama
IPC分类号： C08F220/02 , C08F220/06 , C08F220/08 , C08F4/70 , C08F210/02 , B32B7/12 , B32B27/32 , C08L23/04 , C09J123/04 , B32B27/08 , C09J7/20 , C08F236/04 , B29C45/00 , B32B1/08 , B32B5/02 , B32B9/04 , B32B15/085 , B32B15/092 , B32B23/08 , B32B27/10 , B32B27/38 , C08F220/18 , C08J5/18 , C08L23/06 , C08L23/08 , C09D123/08 , C09J123/08 , B29K23/00
摘要： The present invention relates to a polar group-containing olefin copolymer (A′) which is produced through polymerization using a transition metal catalyst, which has a weight-average molecular weight falling within a specific range and which contains a polar group-containing monomer within a specific range; a multinary polar olefin copolymer (A″) indispensably containing a polar monomer component that has a norbornene skeleton and a carboxyl group or an acid anhydride group and having three or more types of monomer units; and a resin composition (C) containing a specific amount of a polar group-containing olefin copolymer (A) and a specific amount of an olefin resin (B).
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68.发明授权公开(公告)号：US10947373B2
公开(公告)日：2021-03-16
申请号：US16307360
申请日：2017-06-15
发明人： Satoshi Katsuno , Shinichi Kitade
摘要： The present invention relates to a polypropylene resin composition for a microporous film which can reduce the product defect rate due to stabilization of porous formation by stabilizing film formation and also can obtain a film suitably usable for a separator, a filtration membrane, a separation membrane and a filter since the microporous film can be thinned due to high rigidity, and more specifically, relates to a polypropylene resin composition for a microporous film wherein the composition comprises 5 to 30% by weight of polypropylene resin (X) having specific MFR, molecular weight distribution Mw/Mn by GPC, melt tension (MT), branching index g′ and mm fraction of the propylene unit triads by 13C-NMR, satisfying specific conditions concerning gels and having a long chain branched structure and 95 to 70% by weight of polypropylene resin (Y) having a specific MFR and excluding the polypropylene resin (X).
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公开(公告)号：US10526427B2
公开(公告)日：2020-01-07
申请号：US16063042
申请日：2016-12-16
发明人： Keiji Fukuda , Shouichi Ida , Akio Tanna , Shigeo Mizukami
摘要： A method for producing a solid catalyst component (Aa) for α-olefin polymerization, which includes: bringing components (A1) to (A4) into contact with one another in an inert solvent; and without washing the contact product with an inert solvent, aging the contact product by keeping for a holding time of 3 days or more and 180 days or less, regarding the time point that all of the components (A1) to (A4) first come into contact, as a starting point.
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公开(公告)号：US20190184625A1
公开(公告)日：2019-06-20
申请号：US16323844
申请日：2017-08-09
CPC分类号： B29C51/162 , B29C51/002 , B29C51/16 , B32B27/00 , B32B27/32 , C08J5/18
摘要： Disclosed herein is a polypropylene-based decorative film to be used for three-dimensional decorative thermoforming, which film is capable of achieving both of sufficient adhesive strength and product appearance and is easy to recycle. A decorative film of the present disclosure contains a layer (II) including a resin composition (B) containing a polypropylene-based resin (B), in which the resin composition (B) satisfies the following requirements (b1) and (b2):(b1) the melt flow rate (MFR)(B) (230° C., a load of 2.16 kg) is 40 g/10 minutes or less, and (b2) the strain hardening degree λ is 1.1 or more
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