公开(公告)号：US20190048109A1

公开(公告)日：2019-02-14

申请号：US16078594

申请日：2017-02-21

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu TANAKA ,  Masahiko OKAMOTO ,  Makoto NAKANO ,  Sadahiko MATSUURA

IPC: C08F10/14 ,  C08J5/18

Abstract: A 4-methyl-1-pentene polymer having: a unit derived from 4-methyl-1-pentene of 90 to 100% by mol; a unit selected from ethylene and an α-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms of 0 to 10% by mol; and the polymer satisfying the following requirements: (a) a meso diad fraction measured by 13C-NMR within the range of 98 to 100%; (b) a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw measured by GPC within the range of 2.5 to 20; (c) a ratio of weight-average molecular weight Mw to number-average molecular weight Mn measured by GPC within the range of 3.6 to 30; (d) a melt flow rate measured under conditions of 260° C. and a 5 kg load (ASTM D1238) within the range of 0.1 to 500 g/10 min; and (e) an amount of a decane-soluble portion at 23° C. is 5.0% by mass or less.

公开(公告)号：US20200369812A1

公开(公告)日：2020-11-26

申请号：US16766838

申请日：2018-11-27

Applicant: MITSUI CHEMICALS, INC.

Inventor： Hideki WASA ,  Haruka SAITO ,  Sunil Krzysztof MOORTHI ,  Futoshi FUJIMURA ,  Masahiko OKAMOTO ,  Emi ONIKI ,  Kouichi KIZU ,  Jiacheng HE

IPC: C08F232/00 ,  A61J1/05 ,  B65D65/38 ,  B65D85/00 ,  G02B1/04

Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an α-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an α-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.

公开(公告)号：US20200247925A1

公开(公告)日：2020-08-06

申请号：US16848132

申请日：2020-04-14

Applicant: MITSUI CHEMICALS, INC.

Inventor： Takayuki UEKUSA ,  Masahiko OKAMOTO ,  Yoshisada TAMO

IPC: C08F210/14 ,  C08L23/20 ,  C08F210/06 ,  C08F210/00 ,  C08L23/14 ,  C08L53/02

Abstract: The present invention provides a 4-methyl-1-pentene/α-olefin copolymer being excellent in lightness, stress absorption, stress relaxation, vibration damping properties, scratch resistance, abrasion resistance, toughness, mechanical properties and flexibility, having no stickiness during molding operation and being excellent in the balance among these properties; a composition comprising the polymer; and uses thereof. The 4-methyl-1-pentene/α-olefin copolymer (A) of the present invention satisfies specific requirements, and comprises 5 to 95 mol % of a structural unit (i) derived from 4-methyl-1-pentene, 5 to 95 mol % of a structural unit (ii) derived from at least one kind of α-olefin selected from α-olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene and 0 to 10 mol % of a structural unit (iii) derived from a non-conjugated polyene, provided that the total of the structural units (i), (ii), and (iii) is 100 mol %.

公开(公告)号：US20170298160A1

公开(公告)日：2017-10-19

申请号：US15636542

申请日：2017-06-28

Applicant: MITSUI CHEMICALS, INC.

Inventor： Takayuki UEKUSA ,  Masahiko OKAMOTO ,  Yoshisada TAMO

IPC: C08F210/14 ,  C08L23/20 ,  C08F210/06 ,  C08L53/02 ,  C08L23/14

Abstract: The present invention provides a 4-methyl-1-pentene/α-olefin copolymer being excellent in lightness, stress absorption, stress relaxation, vibration damping properties, scratch resistance, abrasion resistance, toughness, mechanical properties and flexibility, having no stickiness during molding operation and being excellent in the balance among these properties; a composition comprising the polymer; and uses thereof. The 4-methyl-1-pentene/α-olefin copolymer (A) of the present invention satisfies specific requirements, and comprises 5 to 95 mol % of a structural unit (i) derived from 4-methyl-1-pentene, 5 to 95 mol % of a structural unit (ii) derived from at least one kind of α-olefin selected from α-olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene and 0 to 10 mol % of a structural unit (iii) derived from a non-conjugated polyene, provided that the total of the structural units (i), (ii), and (iii) is 100 mol %.

公开(公告)号：US20160280819A1

公开(公告)日：2016-09-29

申请号：US15174421

申请日：2016-06-06

Applicant: MITSUI CHEMICALS, INC.

Inventor： Yasushi TOHI ,  Masahiko OKAMOTO ,  Ryoji MORI ,  Takashi NAKAGAWA ,  Shigenobu IKENAGA ,  Hiromasa MARUBAYASHI ,  Kouji NAGAHASHI ,  Shiro OTSUZUKI

IPC: C08F210/06 ,  C08L23/14

CPC classification number: C08F210/06 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F10/00 ,  C08F2420/00 ,  C08F2500/01 ,  C08F2500/03 ,  C08F2500/11 ,  C08F2500/16 ,  C08F2500/17 ,  C08F2800/10 ,  C08J5/18 ,  C08J2323/10 ,  C08L23/14 ,  C08L23/142 ,  C08L2203/00 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/04 ,  C08L2207/12 ,  C08L2314/06 ,  Y10T428/1397 ,  C08F4/65927 ,  C08F210/16 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/20 ,  C08F2500/26 ,  C08L23/0815

Abstract: A catalyst for olefin polymerization, comprising: (A-1) a bridged metallocene compound represented by the following Formula [1-1], and (b) at least one compound selected from: (b-1) an organoaluminum oxy compound, (b-2) a compound which forms an ion pair, and (b-3) an organoaluminum compound: wherein in Formula [1-1], R1, R2, R3, R4, R5, R8, R9, and R12 are each selected from a hydrogen, a hydrocarbon group and a silicon-containing group; the four groups of R6, R7, R10, and R11 are not hydrogen atoms, and are each selected from a hydrocarbon group or a silicon-containing group; R13 and R14 are each a hydrocarbon group or the like, excluding a hydrogen atom and a methyl group; M is Ti, Zr or the like; Y is carbon or the like; Q is a halogen or the like; and j is an integer from 1 to 4.

Abstract translation: 其中在式[1-1]中，R 1，R 2，R 3，R 4，R 5，R 8，R 9和R 12各自选自氢，烃基和含硅基团; R6，R7，R10和R11的四个基团不是氢原子，并且各自选自烃基或含硅基团; R 13和R 14各自为烃基等，不包括氢原子和甲基; M是Ti，Zr等; Y是碳等; Q是卤素等; j为1〜4的整数。

公开(公告)号：US20230159684A1

公开(公告)日：2023-05-25

申请号：US18157892

申请日：2023-01-23

Applicant: MITSUI CHEMICALS, INC.

Inventor： Hideki WASA ,  Haruka SAITO ,  Sunil Krzysztof MOORTHI ,  Futoshi FUJIMURA ,  Masahiko OKAMOTO ,  Emi ONIKI ,  Kouichi KIZU ,  Jiacheng HE

IPC: C08F232/00 ,  A61J1/05 ,  B65D65/38 ,  B65D85/00 ,  G02B1/04

CPC classification number: C08F232/00 ,  A61J1/05 ,  B65D65/38 ,  B65D85/70 ,  G02B1/041 ,  A61J1/06

Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an α-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an α-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.

公开(公告)号：US20200071475A1

公开(公告)日：2020-03-05

申请号：US16466279

申请日：2017-12-13

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu TANAKA ,  Toyoaki SASAKI ,  Yasuhito TSUGANE ,  Kenkichi YOSHIDA ,  Kenjiro TAKAMINE ,  Masahiko OKAMOTO ,  Takanori TADA

IPC: C08J5/18 ,  C08L67/02 ,  C08F10/14

Abstract: A polyester sheet including a polyester (A), a 4-methyl-1-pentene polymer (B) having a specific heat of fusion and a meso diad fraction (m) of 98.5 to 100%, and a compatibilizing agent (C), wherein content proportions of the (A), (B), and (C) are 60 to 98.9 parts by mass for (A), 1 to 25 parts by mass for (B), and 0.1 to 15 parts by mass for (C), when a total content of (A), (B), and (C) is set as 100 parts by mass, and wherein (B) satisfies the requirements (a) to (d) described herein.

公开(公告)号：US20200071443A1

公开(公告)日：2020-03-05

申请号：US16466607

申请日：2017-12-07

Applicant: MITSUI CHEMICALS, INC.

Inventor： Akihide MORI ,  Masahiko OKAMOTO ,  Katsuyoshi HARADA ,  Takahiro YAMADA ,  Shuhei YAMAMOTO ,  Kiyoshi TAKAHASHI ,  Kiyoshi YAMAMURA ,  Koutarou SUZUKI ,  Ryouichi SEKI ,  Shinya MATSUNAGA

IPC: C08F255/04 ,  C08F255/02 ,  C08J5/24 ,  C08J5/18 ,  C09D175/04 ,  C09D133/04 ,  C09D7/40 ,  C09D7/65 ,  C10M107/28 ,  C10M107/30 ,  B01D39/16

Abstract: A graft copolymer (C) having a main chain portion of a precursor polymer (A) and a graft portion from a polymer (B), wherein a core portion of the solid product comprises the main chain portion derived from (A), a shell portion comprises the graft portion derived from (B), and the solid product satisfies: Infrared absorption spectroscopic measurement of a section passing through a center (x) of the solid product, a point (z) on a surface where a distance between the center (x) and the surface is shortest, and a middle point (y) of a line connecting the center (x) and the point (z), absorbance (Abs) satisfies X

公开(公告)号：US20220081598A1

公开(公告)日：2022-03-17

申请号：US17419640

申请日：2020-01-06

Applicant: MITSUI CHEMICALS, INC.

Inventor： Akihiko IWASHITA ,  Ryohei SHIGA ,  Motoyasu YASUI ,  Yoshisada FUKAGAWA ,  Kyoko KOBAYASHI ,  Masahiko OKAMOTO

IPC: C09J123/12 ,  C09J123/06 ,  C09J123/18 ,  C09J151/06 ,  B32B7/12 ,  B32B27/08

Abstract: An adhesive resin composition including a propylene polymer (A), an ethylene polymer (B), and a thermoplastic resin (C) including a copolymer containing not less than 60 mol % and not more than 99 mol % of structural units derived from 4-methyl-1-pentene, and not less than 1 mol % and not more than 40 mol % of structural units derived from a C2-C20 α-olefin other than 4-methyl-1-pentene, these structural units representing total 100 mol % of the copolymer, the thermoplastic resin (C) showing a melting point Tm of not more than 199° C. or showing substantially no melting point as analyzed with a differential scanning calorimeter (DSC). The total of the components (A), (B) and (C) includes 45 to 75 parts by mass of the component (A), 5 to 20 parts by mass of the component (B), and 15 to 45 parts by mass of the component (C).

公开(公告)号：US20220073659A1

公开(公告)日：2022-03-10

申请号：US17529152

申请日：2021-11-17

Applicant: MITSUI CHEMICALS, INC.

Inventor： Takayuki UEKUSA ,  Masahiko OKAMOTO ,  Yoshisada TAMO

IPC: C08F210/14 ,  C08L23/20 ,  C08F210/06 ,  C08F210/00 ,  C08L23/14 ,  C08L53/02

Abstract: The present invention provides a 4-methyl-1-pentene/α-olefin copolymer being excellent in lightness, stress absorption, stress relaxation, vibration damping properties, scratch resistance, abrasion resistance, toughness, mechanical properties and flexibility, having no stickiness during molding operation and being excellent in the balance among these properties; a composition comprising the polymer; and uses thereof. The 4-methyl-1-pentene/α-olefin copolymer (A) of the present invention satisfies specific requirements, and comprises 5 to 95 mol % of a structural unit (i) derived from 4-methyl-1-pentene, 5 to 95 mol % of a structural unit (ii) derived from at least one kind of α-olefin selected from α-olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene and 0 to 10 mol % of a structural unit (iii) derived from a non-conjugated polyene, provided that the total of the structural units (i), (ii), and (iii) is 100 mol %.