专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

US20240158549A1 1-BUTENE/ETHYLENE COPOLYMER, 1-BUTENE-BASED POLYMER COMPOSITION COMPRISING 1-BUTENE/ETHYLENE COPOLYMER AND PROPYLENE-BASED POLYMER, 1-BUTENE-BASED POLYMER COMPOSITION COMPRISING 1-BUTENE/ETHYLENE COPOLYMER, PROPYLENE-BASED POLYMER AND ETHYLENE-BASED POLYMER, AND USES THEREOF 审中-公开
公开(公告)号：US20240158549A1
公开(公告)日：2024-05-16
申请号：US18279864
申请日：2022-03-03
申请人： MITSUI CHEMICALS, INC.
发明人： Manabu ITAKURA , Kiminori NODA , Makoto EGAWA , Yuki KAI , Nozomi KAMIYA , Hiroshi HOYA , Takahiro MIZUMA
IPC分类号： C08F210/08 , C08J5/18 , C08L23/20 , C09J123/20
CPC分类号： C08F210/08 , C08J5/18 , C08L23/20 , C09J123/20 , C08J2323/20 , C08J2423/14 , C08L2205/02
摘要： A 1-butene/ethylene copolymer (A) satisfying the following requirements (A1) to (A5). (A1) a content of constituent units (i) derived from 1-butene is in a range of 70 to 99.9 mol %, and a content of constituent units (ii) derived from ethylene is in a range of 0.1 to 30 mol % [provided that a total of constituent units (i) and constituent units (ii) is 100 mol %]; (A2) an isotactic pentad fraction (mmmm) calculated by 13C-NMR is in a range of 80 to 99.9%; (A3) an intrinsic viscosity [η] measured in decalin at 135° C. is in a range of 0.7 to 2.0 dl/g; (A4) a melt flow rate (MFR) measured at 190° C. and a load of 2.16 kg in accordance with ASTM D1238 is 1 to 100 g/10 min; and (A5) a melting peak is not observed during second temperature raising in calorimetry with a differential scanning calorimeter (DSC).

2. 发明申请

US20160152818A1 VIBRATION DAMPER AND POLYMER COMPOSITION 有权
标题翻译：振动阻尼器和聚合物组合物
公开(公告)号：US20160152818A1
公开(公告)日：2016-06-02
申请号：US14903767
申请日：2014-07-03
申请人： MITSUI CHEMICALS, INC.
发明人： Nozomi KAMIYA
IPC分类号： C08L53/02 , C08L23/08
CPC分类号： C08L53/02 , C08L23/0815 , C08L23/16 , C08L53/025 , C08L23/10
摘要： [Solution]A vibration damper of the invention is formed from a polymer composition including (a) 100 parts by weight of a block copolymer including a polymer segment mainly derived from a vinyl aromatic compound and a polymer segment mainly derived from a conjugated diene compound, or a hydrogenated product of the copolymer, (b) 30 to 200 parts by weight of an ethylene α-olefin copolymer having a kinematic viscosity at 100° C. of 300 to 5000 mm2/s and an ethylene structural unit content of 30 to 80 mol %, and (c) 0 to 100 parts by weight of a polyolefin resin having a MFR of 0.1 to 500 g/10 min.[Effect]According to the present invention, vibration dampers are provided which exhibit excellent vibration damping properties and transparency and show excellent weather resistance with little discoloration, and polymer compositions are provided which are suited for the production of vibration dampers having excellent vibration damping properties and weather resistance.
摘要翻译： [解决方案]本发明的振动阻尼器由聚合物组合物形成，所述聚合物组合物包含（a）100重量份的嵌段共聚物，其包含主要衍生自乙烯基芳族化合物的聚合物链段和主要衍生自共轭二烯化合物的聚合物链段，或共聚物的氢化物，（b）30〜200重量份在100℃下的运动粘度为300〜5000mm 2 / s，乙烯结构单元含量为30〜80的乙烯α-烯烃共聚物 mol％，（c）0-100重量份的MFR为0.1-500g / 10min的聚烯烃树脂。 [效果]根据本发明，提供了表现出优异的减振性和透明性并且显示出优异的耐候性，几乎不变色的减震器，并且提供了适合于生产具有优异的减振性能的减振器的聚合物组合物，耐候性

3. 发明申请

US20230101204A1 POLYAMIDE COMPOSITION 有权
公开(公告)号：US20230101204A1
公开(公告)日：2023-03-30
申请号：US17796210
申请日：2021-01-26
申请人： MITSUI CHEMICALS, INC.
发明人： Yuto YOSHIDA , Tomohiro YAMAGUCHI , Nozomi KAMIYA
IPC分类号： C08L77/06
摘要： A polyamide composition excellent in balance between fluidity during molding and, for example, surface appearance, bleed-out resistance, impact resistance and rigidity in the form of a molded article, and also relates to a polyamide composition a polyamide (A), an ethylene/α-olefin copolymer (B) satisfying requirements (b-1) to (b-3), and 0.1 to 20.0 mass % of an ethylene/α-olefin copolymer (C) satisfying the requirements (c-1) to (c-5), provided that (A)+(B)+(C)=100 mass %.

4. 发明申请

US20220372260A1 ETHYLENE COPOLYMER COMPOSITION AND USE THEREOF 有权
公开(公告)号：US20220372260A1
公开(公告)日：2022-11-24
申请号：US17770859
申请日：2020-10-20
申请人： MITSUI CHEMICALS, INC.
发明人： Tatsuya SAKAI , Kiminori NODA , Nozomi KAMIYA
IPC分类号： C08L23/08 , C08L23/16 , C08J9/00 , C08J9/36 , C08J9/10 , A43B13/04 , A43B13/18
摘要： An object of the present invention is to provide a composition capable of allowing for production of a crosslinked foamed product suitable for applications of footwear parts such as soles and excellent in properties such as lightweight properties, heat shrinkability, compression set and mechanical strength in a well-balanced manner, a foamed product using the composition and a footwear part using the same. An ethylene copolymer composition including an ethylene copolymer (A) satisfying all the following requirements (A-a), (A-b), (A-c) and (A-d), ethylene/α-olefin having 3 to 20 carbon atoms/non-conjugated polyene copolymer rubber (B), and, if necessary, an ethylene/polar monomer copolymer (C); (A-a) a vinyl group content per 1,000 carbon atoms is 0.025 to 0.3, (A-b) MFR10/MFR2.16 is 7 to 20, (A-c) a density is 0.850 to 0.910 g/cm3, and (A-d) a melt flow rate is 0.01 to 200 g/10 min.

5. 发明公开

US20240001653A1 LAMINATE 审中-公开
公开(公告)号：US20240001653A1
公开(公告)日：2024-01-04
申请号：US18038954
申请日：2021-10-25
申请人： MITSUI CHEMICALS, INC.
发明人： Ryoji MORIWAKI , Hiroshi HOYA , Nozomi KAMIYA , Nao SHIOZAKI , Takahiro MIZUMA , Makoto EGAWA , Yuki KAI
IPC分类号： B32B27/08 , B32B27/32 , B32B3/30 , B65D65/40 , B32B37/24
CPC分类号： B32B27/08 , B32B27/32 , B32B3/30 , B65D65/40 , B32B37/24 , B32B2307/31 , B32B2270/00 , B32B2307/75 , B32B2255/10 , B32B2037/243 , B32B2250/242 , B32B2323/00 , B32B2307/518 , B32B2307/748 , B32B2250/03 , B32B2439/00
摘要： A laminate containing a propylene polymer as a main component, relating to a sealant film including a heat-seal layer and an adjacent layer, wherein the sealant film satisfies the following requirement (1) the sealant film is a stretched film or a non-stretched film; the heat-seal layer contains an olefin polymer (B) satisfying the following requirement (2): a melting point is less than 120° C. or is not observed; and a propylene polymer (A) satisfying the following requirement (3): a melting point is 121° C. or more and 170° C. or less; and the adjacent layer contains 1 to 70% by mass of the propylene polymer (A) satisfying the following requirement (3) and 30 to 99% by mass of the olefin polymer (B) satisfying the following requirement (2), and contains 0 to 70% by mass of a propylene polymer (B2) in the olefin polymer (B), provided that (A)+(B)=100% by mass.

6. 发明申请

US20220251260A1 PROPYLENE-ETHYLENE-alpha-OLEFIN COPOLYMER, POLYPROPYLENE COMPOSITION, AND USE THEREFOR 有权
公开(公告)号：US20220251260A1
公开(公告)日：2022-08-11
申请号：US17614127
申请日：2020-05-28
申请人： MITSUI CHEMICALS, INC.
发明人： Takahiro MIZUMA , Tatsuya OKU , Nozomi KAMIYA , Kiminori NODA , Tetsuya NAKAMURA , Makoto EGAWA , Yuki KAI , Hiroshi HOYA
IPC分类号： C08F210/06 , C09J123/14
摘要： A propylene-ethylene-α-olefin copolymer satisfying: (I) a content of a propylene-derived constituent unit (i) is 50 to 92 mol %, a content of an ethylene-derived constituent unit (ii) is 5 to 20 mol %, and a content of a C4-20 α-olefin-derived constituent unit (iii) is 3 to 30 mol %, provided that (i) to (iii) total 100 mol %; (II) an mm fraction calculated by 13C-NMR is 85% or more; (III) 0.9≤MOE/(2MO×ME)≤1.5 wherein MOE represents a mole fraction of chains of propylene and ethylene and chains of the C4-20 α-olefin and ethylene in total to the total dyad, MO represents mole fractions of propylene and the C4-20 α-olefin in total, and ME represents a mole fraction of ethylene; (IV) an MFR is 1 to 3 g/10 minutes; and (V) a melting point measured by DSC is less than 100° C., or no melting peak is observed.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式