公开(公告)号：US20230250357A1

公开(公告)日：2023-08-10

申请号：US18003100

申请日：2021-07-02

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Shuichi SAKANOUE ,  Kenji KOBAYASHI

IPC: C10M169/04 ,  C10M137/10 ,  C10M135/10 ,  C10M135/34 ,  C10M141/10

CPC classification number: C10M169/04 ,  C10M137/10 ,  C10M135/10 ,  C10M135/34 ,  C10M141/10 ,  C10M2203/1025 ,  C10M2223/045 ,  C10M2219/044 ,  C10M2219/102 ,  C10N2030/36

Abstract: A lubricating oil composition may include a base oil (A), a zinc dithiophosphate (B) comprising a compound (B1) of formula (b-1), calcium sulfonate (C), and a seal sweller (D). In formula (b-1), R1 to R4 are each independently an alkyl group. However, at least one of R1 to R4 is a prescribed straight-chain alkyl group, and at least one of R1 to R4 is a prescribed branched chain alkyl group.

公开(公告)号：US20180030317A1

公开(公告)日：2018-02-01

申请号：US15127117

申请日：2015-03-20

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroki FUJINAMI ,  Kenji KOBAYASHI

IPC: C09J123/12

CPC classification number: C09J123/12 ,  C08L23/14 ,  C08L2207/02 ,  C09J11/06 ,  C09J123/00 ,  C09J123/10 ,  C09J123/16

Abstract: Provided are a hot-melt adhesive having high flowability in a molten state and exhibiting high adhesion strength in bonding PP nonwoven fabrics and further exhibiting high adhesion strength in bonding PE film-PP nonwoven fabric, and a base polymer for a hot-melt adhesive. The hot-melt adhesive contains (A) a propylene-based polymer satisfying the following (Ai) to (Aiv), and (B) an olefin-based copolymer satisfying the following (Bi) and (Bii); and the base polymer for a hot-melt adhesive consists of a mixture of (A) a propylene-based polymer satisfying the following (Ai) to (Aiv) and (B) an olefin-based copolymer satisfying the following (Bi) and (Bii) and satisfies the following (1) and (2). (Ai) the melting point is 120° C. or lower, (Aii) the Mw is 10,000 to 150,000, (Aiii) the Mw/Mn is 2.5 or less, (Aiv) the penetration is 8 or less, (Bi) the penetration is 15 or more, (Bii) the melting point is 90° C. or higher, (1) the tensile elastic modulus at 23° C. is 400 MPa or less, and (2) the semi-crystallization time at 23° C. is 20 minutes or less.

公开(公告)号：US20170355888A1

公开(公告)日：2017-12-14

申请号：US15527364

申请日：2015-11-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kenji KOBAYASHI ,  Hiroki FUJINAMI

IPC: C09J123/12 ,  C09J11/08 ,  C08F110/06

CPC classification number: C09J123/12 ,  C08F110/06 ,  C08L23/04 ,  C08L23/16 ,  C09J11/08 ,  C09J123/10 ,  C09J2423/04

Abstract: Provided is a hot-melt adhesive for woodworking, containing a component (a) of an olefinic polymer (A) having a specific tensile modulus of elasticity and a specific glass transition temperature (Tg), and a component (b) of an olefinic polymer (B) having a specific glass transition temperature (Tg), wherein the content of the component (a) is 31 to 95% by mass relative to 100% by mass of the total amount of the component (a) and the component (b).

公开(公告)号：US20230287293A1

公开(公告)日：2023-09-14

申请号：US18041595

申请日：2021-08-13

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Shuichi SAKANOUE ,  Kenji KOBAYASHI

IPC: C10M169/04 ,  C10M143/02 ,  C10M101/00 ,  C10M157/00 ,  C10M145/14 ,  C10M143/04 ,  C10N20/04 ,  C10N40/06 ,  C10N20/02 ,  C10N30/02

CPC classification number: C10M169/041 ,  C10M143/02 ,  C10M101/00 ,  C10M157/00 ,  C10M145/14 ,  C10M143/04 ,  C10N2020/04 ,  C10N2040/06 ,  C10N2020/02 ,  C10M2205/022 ,  C10N2030/02 ,  C10M2205/024 ,  C10M2203/003 ,  C10M2209/084

Abstract: A lubricating oil composition may be used for lubrication of a shock absorber, and may include a base oil (A), a polyalkyl (meth)acrylate (B) having a weight average molecular weight in a range of from 150,000 to 900,000, and an olefin copolymer (C) having a weight average molecular weight of 100,000 or less.

公开(公告)号：US20240141249A1

公开(公告)日：2024-05-02

申请号：US18004279

申请日：2021-07-02

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kenji KOBAYASHI

IPC: C10M137/10 ,  C10M101/02 ,  C10M133/56 ,  C10M169/04

CPC classification number: C10M137/105 ,  C10M101/02 ,  C10M133/56 ,  C10M169/04 ,  C10N2010/04

Abstract: A lubricating oil composition may be used for lubrication of a shock absorber. The composition may include a base oil (A), a zinc dithiophosphate (B), and an alkenylsuccinic imide (C). The lubricating oil composition can be more preferably applied to lubrication of a shock absorber. Based on the total lubricating oil composition mass, a content of the component (C) in terms of nitrogen atoms is in a range of from 0.001 to 0.09 mass %, and/or a content of the component (B) in terms of zinc atoms is in a range of from 0.005 to 1.0 mass %.

公开(公告)号：US20190382682A1

公开(公告)日：2019-12-19

申请号：US16479450

申请日：2017-12-21

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kenji KOBAYASHI ,  Takashi YANAGIHARA

IPC: C10M169/04 ,  C10M135/26 ,  C10M135/36 ,  C10M145/14 ,  C10M161/00 ,  F16C33/66

Abstract: The present invention provides a lubricating oil composition for a transmission which is excellent in seizure resistance and copper corrosion resistance, and which contains a base oil (A), a sulfur-containing compound (B) having no —Sn11— (where n11 is an integer of 2 or more), and a thiadiazole compound (C) having an —Sn2113 R21 group (where R21 is a linear hydrocarbon group having 1 or more and 24 or less carbon atoms, and n21 is 1 or 2), a method for lubricating a transmission, including using the same, and a transmission provided with the same.

公开(公告)号：US20160115360A1

公开(公告)日：2016-04-28

申请号：US14894152

申请日：2014-05-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuhiro HASHIMA ,  Tomoaki TAKEBE ,  Yutaka MINAMI ,  Masao INOUE ,  Kenji KOBAYASHI

IPC: C09J123/12 ,  A61L15/58 ,  A61L15/24 ,  C09J5/00

CPC classification number: C09J123/12 ,  A61L15/24 ,  A61L15/58 ,  C08F4/65908 ,  C08F4/65912 ,  C08F110/06 ,  C09J5/00 ,  C09J5/06 ,  C09J201/00 ,  C09J2201/61 ,  C09J2400/263 ,  C09J2423/00 ,  C08F4/65927

Abstract: Provided is a hot-melt adhesive which satisfies both solidification rate and adhesiveness. A base polymer for a hot-melt adhesive which satisfies the following (1) and (2): (1) a modulus of elasticity in tension at 23° C. is 400 MPa or less; and (2) a semi-crystallization time at 23° C. is 20 minutes or less.

Abstract translation: 提供一种满足凝固速度和粘合性的热熔粘合剂。 用于热熔粘合剂的基础聚合物，其满足以下（1）和（2）：（1）23℃下的拉伸弹性模量为400MPa以下; 和（2）在23℃下的半结晶时间为20分钟以下。