公开(公告)号：US20240391151A1

公开(公告)日：2024-11-28

申请号：US18692887

申请日：2022-09-08

Applicant: MITSUI CHEMICALS, INC.

Inventor： Motoyasu YASUI ,  Takayuki UEKUSA ,  Yoshisada FUKAGAWA

IPC: B29C48/10 ,  C08L23/20

Abstract: An object of the present invention is to provide a mandrel having flexibility while maintaining heat resistance, releasability, and recyclability that can withstand a thermal history of repeated use, which are characteristics of 4-methyl-1-pentene-based polymer, and the present invention relates to a mandrel formed of a resin composition (X) including 50 to 90 parts by mass of a 4-methyl-1-pentene-based polymer (A) satisfying specified requirements, 5 to 40 parts by mass of a propylene polymer (B), and 5 to 30 parts by mass of a 4-methyl-1-pentene·α-olefin copolymer (C) satisfying specified requirements, provided that a total of the (A), the (B), and the (C) is 100 parts by mass.

公开(公告)号：US20220403072A1

公开(公告)日：2022-12-22

申请号：US17774841

申请日：2020-11-09

Applicant: MITSUI CHEMICALS, INC.

Inventor： Takayuki UEKUSA ,  Motoyasu YASUI ,  Yoshisada FUKAGAWA

IPC: C08F210/14 ,  C08K3/26

Abstract: An object of the present invention is to provide a resin composition and a molded article each having suppressed surface stickiness while having high stress-relaxing ability and vibration-absorbing ability at room temperature. A resin composition (X) containing 10 to 50 parts by mass of a thermoplastic resin (A) and 50 to 90 parts by mass of an inorganic substance (B), wherein a tan δ peak temperature and tan δ peak value, obtained by performing dynamic viscoelastic measurement at a frequency of 10 rad/s (1.6 Hz) in the temperature range of −40 to 150° C., are 0° C. or higher and 60° C. or lower, and 0.8 or more and 5.0 or less, respectively.

公开(公告)号：US20210138240A1

公开(公告)日：2021-05-13

申请号：US17043757

申请日：2019-03-27

Applicant: Mitsui Chemicals, Inc.

Inventor： Hidetoshi TOMITA ,  Yuki KONDO ,  Motoyasu YASUI ,  Kenji IIDA

IPC: A61N1/36 ,  A61N1/04

Abstract: This external stimulus application system is structured so as to comprise: an external stimulus unit that applies an external stimulus to a target area of a user's body; a detection unit that detects changes in a detected area of the user's body during an action of the user; a control unit that causes the external stimulus unit to produce a stimulus if a detected value detected by the detection unit satisfies a prescribed condition; and a storage unit that stores the detected value.

公开(公告)号：US20240084119A1

公开(公告)日：2024-03-14

申请号：US18273727

申请日：2022-01-20

Applicant: MITSUI CHEMICALS, INC.

Inventor： Yoshisada FUKAGAWA ,  Takayuki UEKUSA ,  Motoyasu YASUI

IPC: C08L23/20

CPC classification number: C08L23/20 ,  C08L2207/04

Abstract: An object of the present invention is to provide a resin composition including a thermoplastic resin and an inorganic filler, which can easily undergo molding processing and has flexibility and a sense of massiveness, and a molded article thereof. A resin composition, including 15 to 50 parts by mass of a specific 4-methyl-1-pentene/α-olefin copolymer (A), 10 to 50 parts by mass of an inorganic filler (B), and 5 to 49 parts by mass of a thermoplastic elastomer (C) (a total amount of 4-methyl-1-pentene/α-olefin copolymer (A), inorganic filler (B), and thermoplastic elastomer (C) is 100 parts by mass), wherein the thermoplastic elastomer (C) is at least one selected from the group consisting of an olefinic thermoplastic elastomer (C1) and a styrenic thermoplastic elastomer (C2); and a molded article including the resin composition.

公开(公告)号：US20190037937A1

公开(公告)日：2019-02-07

申请号：US16071990

申请日：2017-02-06

Applicant: MITSUI CHEMICALS, INC.

Inventor： Tomoaki ITO ,  Aya TAKEUCHI ,  Kenji IIDA ,  Motoyasu YASUI ,  Shiori ITO ,  Kazuoki NAKAI ,  Fumihiko KOKIDO ,  Fumiaki SAIKAWA

IPC: A41D13/06 ,  A61F5/01 ,  A61F5/02

Abstract: A knee supporter, including a tubular supporter main body including: a knee anterior surface part; a knee posterior surface part; a femoral side anterior surface part; a femoral side posterior surface part; a tibial side anterior surface part; and a tibial side posterior surface part, wherein elastic moduli, in an axial direction of the tubular supporter main body, when stretched by 80% in the axial direction of the tubular supporter main body, satisfy the following Formula (1) to (3): Formula (1): 0.7≤knee posterior surface part/knee anterior surface part; Formula (2): 1

公开(公告)号：US20180133045A1

公开(公告)日：2018-05-17

申请号：US15567344

申请日：2016-04-22

Applicant: MITSUI CHEMICALS, INC.

Inventor： Tomoaki ITO ,  Kenji IIDA ,  Motoyasu YASUI ,  Shiori ITO ,  Kazuoki NAKAI ,  Fumiaki SAIKAWA

IPC: A61F5/01 ,  A41D13/06 ,  A61F5/02

CPC classification number: A61F5/0123 ,  A41D13/06 ,  A61F5/01 ,  A61F5/0109 ,  A61F5/02 ,  A61F13/06

Abstract: A garment, containing a tubular joint supporter section, the section including: a central region in an axial direction of the tubular joint supporter section, which includes a wear pressure applying region for applying wear pressure to a joint site of a body, a one-end side region positioned at one end, and an other-end side region positioned at another end side, in which the wear pressure of the wear pressure applying region is higher than an average wear pressure of the one-end and other-end side regions, and regions other than the wear pressure applying region in the section include a concave-convex structure region formed from a concave-convex structure; and a knee supporter, in which an average wear pressure A of the knee support section is higher than an average wear pressure B of the thigh side support section and the shin side support section.

公开(公告)号：US20250101214A1

公开(公告)日：2025-03-27

申请号：US18838596

申请日：2022-10-26

Applicant: MITSUI CHEMICALS, INC.

Inventor： Takayuki UEKUSA ,  Motoyasu YASUI ,  Yoshisada FUKAGAWA

IPC: C08L23/24 ,  B29C48/00 ,  B29K21/00 ,  B29K23/00 ,  B29K25/00 ,  B29L23/00 ,  C08L23/20

Abstract: A 4-methyl-1-pentene copolymer composition (X), including 50 to 90 parts by mass of a 4-methyl-1-pentene-based polymer (A) having a melting point in a range of 200 to 250° C. as measured by DSC, 5 to 30 parts by mass of a 4-methyl-1-pentene-based polymer (B) having a melting point of lower than 200° C. or having no melting point observed as measured by DSC, and 5 to 30 parts by mass of a thermoplastic elastomer (C) other than the (A) and the (B), and satisfying the following requirements (a) and (b), a molded body composed of the composition (X), and a method for producing a rubber hose. Requirement (a): the tan δ peak temperature determined by dynamic viscoelasticity measurement in a temperature range of 0 to 240° C. at a frequency of 10 rad/s is 0 to 60° C.; and requirement (b): the tan δ peak value determined by dynamic viscoelasticity measurement in a temperature range of 0 to 100° C. at a frequency of 10 rad/s is 0.15 to 0.8.

公开(公告)号：US20230407073A1

公开(公告)日：2023-12-21

申请号：US18035686

申请日：2021-10-29

Applicant: MITSUI CHEMICALS, INC.

Inventor： Takayuki UEKUSA ,  Motoyasu YASUI ,  Yoshisada FUKAGAWA

IPC: C08L23/20 ,  C09J123/20 ,  C08F210/14 ,  B32B27/08 ,  B32B27/32

CPC classification number: C08L23/20 ,  C09J123/20 ,  C08F210/14 ,  B32B27/08 ,  B32B27/32 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2203/16 ,  B32B2307/748 ,  B32B2250/242 ,  B32B2250/03

Abstract: A resin composition containing a 4-methyl-1-pentene/α-olefin copolymer (A-1) satisfying (a) to (b), a 4-methyl-1-pentene/α-olefin copolymer (A-2) satisfying (c) to (d), and a thermoplastic resin (B) other than these, wherein a total content of (A-1) and (A-2) is 2 to 50% by mass, and a content of (B) is 50 to 98% by mass, based on 100% by mass of a total of (A-1), (A-2), and (B): (a) 65 to 80 mol % of a structural unit (i) derived from 4-methyl-1-pentene and 20 to 35 mol % of a structural unit (ii) derived from α-olefin; (b) a melting point observed by DSC is lower than 110° C. or not observed; (c) 80 to 90 mol % of the structural unit (i) and 10 to 20 mol % of the structural unit (ii) are contained; and (d) a melting point observed by DSC is 110 to 160° C.

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).