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1. 发明公开

EP4450555A1 POLYPROPYLENE-BASED RESIN COMPOSITION AND USE THEREOF 失效
公开(公告)号：EP4450555A1
公开(公告)日：2024-10-23
申请号：EP22907384.6
申请日：2022-12-09
申请人： Prime Polymer Co., Ltd.
发明人： FUKUDA ,Yusuke , TAKAHASHI, Shuichi
IPC分类号： C08L23/14 , C08F297/00 , C08K3/013 , C08K3/34 , C08L23/08 , C08L23/12 , C08L53/00
CPC分类号： C08K3/34 , C08L23/12 , C08F297/00 , C08L53/00 , C08L23/08 , C08L23/14 , C08K3/013
摘要： A polypropylene-based resin composition containing: 5 to 47 parts by mass of a propylene-based polymer (A) having an MFR of 50 to 150 g/10 min and an amount of a decane-soluble portion of 6 to 15% by mass, 20 to 30 parts by mass of a propylene homopolymer (B) having an MFR of 10 to 500 g/10 min, 23 to 30 parts by mass of an ethylene/α-olefin copolymer (C) being a random copolymer of ethylene and an α-olefin having 4 to 8 carbon atoms, and having a density of 0.850 to 0.880 g/cm3, an MFR of 0.5 to 30 g/10 min, and a melting point peak of 110°C or more, and 30 to 40 parts by mass of an inorganic filler (D), provided that a total amount of the components (A) to (D) is 100 parts by mass.

2. 发明公开

EP4299666A1 GLASS FIBER-REINFORCED PROPYLENE-BASED RESIN COMPOSITION 审中-实审
公开(公告)号：EP4299666A1
公开(公告)日：2024-01-03
申请号：EP21928103.7
申请日：2021-12-20
申请人： Prime Polymer Co., Ltd.
发明人： HIROTA, Shigekatsu , HIRANO, Ichinosuke , OKAMOTO, Yoshio
IPC分类号： C08L23/12 , B29C45/00 , C08K3/013 , C08K3/04 , C08K7/14 , C08L23/00
摘要： Provided is a material suitable for producing a glass fiber-reinforced molded body with reduced generation of white haze while reducing the amount of a dispersing agent to be used.
A glass fiber-reinforced propylene-based resin composition, including 10 to 50 parts by mass of glass fibers; 50 to 90 parts by mass of a propylene-based resin (provided that the both in total is 100 parts by mass); 0.3 parts by mass or more of carbon black; and a polyolefin wax having an average particle size of 1 to 40 µm in an amount such that a mass ratio of the polyolefin wax to the carbon black is 0.75 to 1.5.

3. 发明公开

EP4011961A1 PROPYLENE POLYMER COMPOSITION AND MOLDED ARTICLE 审中-实审转让
公开(公告)号：EP4011961A1
公开(公告)日：2022-06-15
申请号：EP20850007.4
申请日：2020-08-07
申请人： Prime Polymer Co., Ltd. , Mitsui Chemicals, Inc.
发明人： HIROI Ryoko , ITAKURA Keita , NAITO Shino , FURUTA Takanori , TSURUGI Kou
IPC分类号： C08L23/08 , C08L23/10 , C08L23/12 , C08K3/013
摘要： To provide a propylene polymer composition that is capable of giving shaped article with excellent rigidity. A propylene polymer composition includes a propylene homopolymer (A) having an intrinsic viscosity [η] measured in a tetralin solvent at 135°C in the range of 7 to 12 dl/g, a propylene polymer (B) having an intrinsic viscosity [η] measured in a tetralin solvent at 135°C in the range of not less than 0.21 dl/g and less than 0.54 dl/g, and having a proportion of a component eluted at a temperature of not more than -20°C in TREF in the range of not more than 3.5 mass%, and a propylene polymer (C) having an intrinsic viscosity [η] measured in a tetralin solvent at 135°C in the range of not less than 0.54 dl/g and less than 2.6 dl/g, wherein the content of (A) is 0.5 to 47.5 mass%, the content of (B) is 5 to 95 mass% and the content of (C) is 2.5 to 85.5 mass%, based on the total of (A), (B) and (C).

4. 发明授权

EP3176214B1 PROPYLENE HOMOPOLYMER COMPOSITION FOR CAPACITOR FILM, METHOD FOR PRODUCING SAME, AND CAPACITOR FILM 有权
公开(公告)号：EP3176214B1
公开(公告)日：2019-05-01
申请号：EP15826415.0
申请日：2015-07-30
申请人： Mitsui Chemicals, Inc. , Prime Polymer Co., Ltd.
发明人： OHTA, Katsutoshi
IPC分类号： C08L23/12 , C08F4/654 , C08F4/6592 , C08J5/18 , H01G4/18 , C08F110/06

5. 发明授权

EP2669330B1 POLYPROPYLENE RESIN COMPOSITION 有权
公开(公告)号：EP2669330B1
公开(公告)日：2018-08-08
申请号：EP12739024.3
申请日：2012-01-27
申请人： Prime Polymer Co., Ltd.
发明人： KUSUMOTO, Tatsuya , SUGIMOTO, Yoshio , FUJISAWA, Mitsuru
IPC分类号： C08L53/00 , C08K3/00 , C08L23/08 , C08L23/16 , C08L23/26 , C08L23/10
CPC分类号： C08L53/00 , C08K3/00 , C08K3/34 , C08K5/20 , C08L23/0815 , C08L23/10 , C08L23/16 , C08L23/26 , C08L51/06 , C08L2205/02 , C08L2205/03 , C08F10/06 , C08F4/651 , C08F4/6465 , C08F4/6543 , C08F4/6492 , C08F4/6541 , C08F210/06 , C08F210/16 , C08F2500/12 , C08F2500/17
摘要： A polypropylene-based resin composition including 100 parts by weight of the following component (A), 18 parts by weight or more and 65 parts by weight or less of the following component (B), 6 parts by weight or more and 45 parts by weight or less of the following component (C), 25 parts by weight or more and 60 parts by weight or less of the following component (D), 0.1 part by weight or more and 6.5 parts by weight or less of the following component (E) and 0.15 part by weight or more and 5.0 parts or less by weight of the following component (F): (A) a specific propylene-ethylene block copolymer A: (B) a specific propylene-ethylene block copolymer B: (C) an ethylene-±-olefin copolymer having a melt flow rate (230°C, under the load of 2.16 kg) of 0.5g/10 min or more and 20g/10 min or less; (D) an inorganic filler having an average particle diameter of 1 µm or more and 14 µm or less; (E) an acid-modified polypropylene; and (F) a lubricant

6. 发明公开

EP3205498A4 FILM FOR DEPOSITION OF INORGANIC SUBSTANCE, INORGANIC SUBSTANCE DEPOSITED FILM, AND USE THEREOF 审中-公开
公开(公告)号：EP3205498A4
公开(公告)日：2018-06-20
申请号：EP15849092
申请日：2015-10-06
申请人： PRIME POLYMER CO LTD
发明人： YANAGISHITA YOSHIO , TAGUCHI EIICHI , MARUYAMA KAZUHIDE , NAMIKI AKIO
IPC分类号： B32B27/32 , B32B27/08 , B32B27/10 , B32B27/18 , B32B27/28 , B32B27/30 , B32B27/34 , B32B27/36 , B32B29/00 , B65D65/40 , C08F210/16 , C08J5/18 , C23C14/24
CPC分类号： B32B27/32 , B32B27/08 , B32B27/10 , B32B27/18 , B32B27/281 , B32B27/302 , B32B27/304 , B32B27/306 , B32B27/327 , B32B27/34 , B32B27/36 , B32B27/365 , B32B29/002 , B32B37/14 , B32B2255/10 , B32B2255/20 , B32B2307/30 , B32B2307/31 , B32B2307/50 , B32B2307/518 , B32B2553/00 , B65D65/40 , C08F210/16 , C08J5/18 , C23C14/24 , C23C14/34 , C23C14/48
摘要： [Problem] To provide a film for inorganic substance deposition, which does not lower adhesion properties of an inorganic substance deposit surface during dry lamination even after an inorganic substance deposit layer is formed on the film and the film is stored in a rolled state for a long period of time. [Solution] A film for inorganic substance deposition is a film for inorganic substance deposition, comprising single or multiple resin layers, wherein all of the resin layers contain an ethylene-based polymer (A) having a melt tension (MT), as measured at 190 °C, of not more than 5.0 g, and the film satisfies the following requirements (1) to (3) ; requirement (1) : the amount of a component generated by heating the film under the prescribed conditions is not more than 1.2 µg per milligram of the film, requirement (2): the amount of a compound containing pentavalent phosphorus, said compound being recovered after washing of a surface of the film under the prescribed conditions, is not more than 9 µg, and requirement (3): the amount of an oxide of an oligomer of a hexamer to a decamer, said oxide being recovered after washing of a surface of the film under the prescribed conditions, is not more than 1.5 µg.

7. 发明授权

EP2108665B1 PROPYLENE HOMOPOLYMER FOR STRESS-RESISTANT MOLDED OBJECT, COMPOSITION CONTAINING THE POLYMER, AND STRESS-RESISTANT MOLDED OBJECT OBTAINED FROM THE SAME 有权
标题翻译：用于抗应力模制物体的丙烯均聚物，含有该聚合物的组合物和从该组合物获得的抗应力模制物体
公开(公告)号：EP2108665B1
公开(公告)日：2018-05-16
申请号：EP08703395.7
申请日：2008-01-17
申请人： Prime Polymer Co., Ltd. , Mitsui Chemicals, Inc.
发明人： ITAKURA, Keita , ISHII, Toshiyuki , ONISHI, Rikuo , HASHIZUME, Satoshi
IPC分类号： C08F110/06 , C08K7/02 , C08L21/00 , C08L23/12 , C08F4/659 , C08K7/14 , C08L23/16
CPC分类号： C08F110/06 , C08F4/65912 , C08F4/65916 , C08K7/14 , C08L23/12 , C08L23/16 , C08F4/65922 , C08L2666/06 , C08F2500/03 , C08F2500/12
摘要： Propylene polymers and propylene resin compositions containing the polymers are used as molded articles used under stress for a long period such as automotive parts, housing parts, home appliance parts and electric power tool parts. Stress-resistant molded articles of the invention are obtained from these materials. A propylene homopolymer (A) satisfies the following requirements (1) to (3), and a polypropylene resin composition contains the propylene homopolymer (A). (1) The ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn) according to GPC is in the range of 1.2 to 3.5. (2) Mn is in the range of 35,000 to 400,000. (3) The content of components soluble in o-dichlorobenzene at 90°C is not more than 4 wt%.

8. 发明公开

EP3176214A4 PROPYLENE HOMOPOLYMER COMPOSITION FOR CAPACITOR FILM, METHOD FOR PRODUCING SAME, AND CAPACITOR FILM 审中-公开
公开(公告)号：EP3176214A4
公开(公告)日：2018-04-18
申请号：EP15826415
申请日：2015-07-30
申请人： MITSUI CHEMICALS INC , PRIME POLYMER CO LTD
发明人： OHTA KATSUTOSHI
IPC分类号： C08L23/12 , C08F4/654 , C08F4/6592 , C08F110/06 , C08J5/18 , H01G4/18
CPC分类号： C08L23/12 , C08F4/654 , C08F4/65912 , C08F4/65916 , C08F4/6592 , C08F110/06 , C08J5/18 , C08J2323/12 , C08J2423/12 , C08L2203/16 , C08L2203/20 , C08L2205/025 , H01G4/18 , C08F2500/12 , C08F2500/15 , C08F4/65927
摘要： Provided are a propylene homopolymer composition for a capacitor film, from which a thin film can be easily produced and which can provide a film with excellent high-temperature voltage resistance, a method for producing the same, and a capacitor film. The propylene homopolymer composition for a capacitor film contains 1 % by mass or more and less than 50 % by mass of a propylene homopolymer (Al) having predetermined characteristics and more than 50 % by mass and 99 % by mass or less of a propylene homopolymer (B1) having predetermined characteristics, and has (i) a melt flow rate (MFR) of 1.0 to 10.0 g/10 min and (ii) a chlorine content of 2 ppm by mass or less.

9. 发明公开

EP3279224A1 POLYPROPYLENE RESIN COMPOSITION AND MANUFACTURING METHOD THEREFOR, BIAXIALLY-STRETCHED FILM AND MANUFACTURING METHOD THEREFOR, AND CAPACITOR FILM FOR FILM CONDENSER 审中-公开
标题翻译：聚丙烯树脂组合物及其制造方法，双轴拉伸膜及其制造方法和用于膜冷凝器的电容器膜
公开(公告)号：EP3279224A1
公开(公告)日：2018-02-07
申请号：EP16772950.8
申请日：2016-03-30
申请人： Prime Polymer Co., Ltd.
发明人： TAMURA, Satoshi , HIGUCHI, Masashi
IPC分类号： C08F110/06 , C08L23/12 , H01G4/18
CPC分类号： C08F110/06 , B29C55/005 , B29C55/14 , B29C55/16 , B29K2023/12 , B29K2995/0016 , B29L2031/3406 , C08F2810/10 , C08L23/12 , H01G4/18 , H01G4/33
摘要： Provided is a polypropylene resin composition which is good in extrusion property, which is good in appearance and low in variation in thickness when formed into a film, which is well-balanced in dynamic characteristics, and which has high heat resistance. A polypropylene resin composition satisfying the following requirements (1) to (3): (1) a melt flow rate (MFR) measured under a load of 2.16 kg at 230°C according to ASTM D1238 is 1 to 10 g/10 min; (2) a pentad isotactic fraction measured using 13 C-NMR is 0.930 or more; and (3) Mz is 600000 to 1400000, and Mw/Mn is 6.5 to 14.0.
摘要翻译：本发明提供一种聚丙烯树脂组合物，该组合物的外观良好，成膜时的膜厚偏差小，动态特性平衡良好，耐热性高，挤出性优异。满足以下要件（1）至（3）的聚丙烯树脂组合物：（1）根据ASTM D1238在230℃下在2.16kg负荷下测量的熔体流动速率（MFR）为1至10g / 10min; （2）使用13C-NMR测定的五价全同立构分数为0.930以上; （3）Mz为600000〜1400000，Mw / Mn为6.5〜14.0。

10. 发明公开

EP2960270A4 BIAXIALLY STRETCHED FILM, AND ETHYLENE-TYPE POLYMER COMPOSITION 有权
标题翻译： BIAXIAL GESTRECKTE FOLIE UND ETHYLENPOLYMERZUSAMMENSETZUNG
公开(公告)号：EP2960270A4
公开(公告)日：2016-07-13
申请号：EP14754789
申请日：2014-02-19
申请人： PRIME POLYMER CO LTD
发明人： KIN KEIKO , TASAKI TSUTOMU , KANAI TOSHITAKA
IPC分类号： C08J5/18 , C08F210/16 , C08L23/08
CPC分类号： C08J5/18 , C08F210/16 , C08J2323/06 , C08J2323/08 , C08L23/0815 , C08F210/14 , C08F2500/12 , C08F2500/17 , C08F2500/26 , C08L23/06
摘要： Provided is a biaxially-stretched film wherein the biaxial stretching is possible in a broader temperature range and which is excellent in thickness accuracy, and an ethylene polymer composition serving as a raw material of the film. The biaxially-stretched film of the present invention is obtained from an ethylene polymer composition (E) including a specific ethylene polymer component (A) containing 20 to 100 wt% of an ethylene polymer (a) being a copolymer of ethylene and a C4-10 ±-olefin and having specific melt flow rate and density, and an ethylene polymer component (B) being another copolymer of ethylene and a C4-10 ±-olefin, wherein a weight fraction [W A ] of the ethylene polymer component (A) is 0.50 or more and 0.92 or less, and a weight fraction [W B ] of the ethylene polymer component (B) is 0.08 or more and 0.50 or less provided that W A and W B total 1.0.
摘要翻译：提供一种双轴拉伸膜，其中双轴拉伸可以在较宽的温度范围内并且厚度精度优异，以及用作膜的原料的乙烯聚合物组合物。本发明的双轴拉伸膜由乙烯聚合物组合物（E）得到，所述乙烯聚合物组合物（E）包含含有20〜100重量％的乙烯聚合物（a）的特定的乙烯聚合物成分（A） 10烯烃，具有特定的熔体流动速率和密度，乙烯聚合物组分（B）是乙烯和C 4-10α-烯烃的另一共聚物，其中乙烯聚合物组分（A）的重量分数[WA] 为0.50以上且0.92以下，并且乙烯聚合物组分（B）的重量分数[WB]为0.08以上且0.50以下，WA和WB的总和为1.0。

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