JP7491215B2 - エポキシ樹脂組成物、中間基材および繊維強化複合材料 - Google Patents

エポキシ樹脂組成物、中間基材および繊維強化複合材料 Download PDF

Info

Publication number
JP7491215B2
JP7491215B2 JP2020527131A JP2020527131A JP7491215B2 JP 7491215 B2 JP7491215 B2 JP 7491215B2 JP 2020527131 A JP2020527131 A JP 2020527131A JP 2020527131 A JP2020527131 A JP 2020527131A JP 7491215 B2 JP7491215 B2 JP 7491215B2
Authority
JP
Japan
Prior art keywords
epoxy resin
component
resin composition
mass
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020527131A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020217894A1 (https=
JPWO2020217894A5 (https=
Inventor
大典 小西
雄一 山北
秀樹 英
啓之 平野
正博 都築
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of JPWO2020217894A1 publication Critical patent/JPWO2020217894A1/ja
Publication of JPWO2020217894A5 publication Critical patent/JPWO2020217894A5/ja
Application granted granted Critical
Publication of JP7491215B2 publication Critical patent/JP7491215B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22Di-epoxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/4007Curing agents not provided for by the groups C08G59/42 - C08G59/66
    • C08G59/4014Nitrogen containing compounds
    • C08G59/4021Ureas; Thioureas; Guanidines; Dicyandiamides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/4007Curing agents not provided for by the groups C08G59/42 - C08G59/66
    • C08G59/4078Curing agents not provided for by the groups C08G59/42 - C08G59/66 boron containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/42Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
    • C08G59/4246Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof polymers with carboxylic terminal groups
    • C08G59/4253Rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/50Amines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/68Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/68Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
    • C08G59/72Complexes of boron halides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/10Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/249Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2451/00Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2451/04Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/53Core-shell polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Epoxy Resins (AREA)
  • Reinforced Plastic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2020527131A 2019-04-25 2020-04-01 エポキシ樹脂組成物、中間基材および繊維強化複合材料 Active JP7491215B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019083826 2019-04-25
JP2019083827 2019-04-25
JP2019083827 2019-04-25
JP2019083826 2019-04-25
PCT/JP2020/014989 WO2020217894A1 (ja) 2019-04-25 2020-04-01 エポキシ樹脂組成物、中間基材および繊維強化複合材料

Publications (3)

Publication Number Publication Date
JPWO2020217894A1 JPWO2020217894A1 (https=) 2020-10-29
JPWO2020217894A5 JPWO2020217894A5 (https=) 2023-04-06
JP7491215B2 true JP7491215B2 (ja) 2024-05-28

Family

ID=72942302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020527131A Active JP7491215B2 (ja) 2019-04-25 2020-04-01 エポキシ樹脂組成物、中間基材および繊維強化複合材料

Country Status (5)

Country Link
US (1) US12240975B2 (https=)
EP (1) EP3960789B1 (https=)
JP (1) JP7491215B2 (https=)
KR (1) KR102862525B1 (https=)
WO (1) WO2020217894A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022039050A1 (ja) * 2020-08-17 2022-02-24 東レ株式会社 エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP7508949B2 (ja) * 2020-08-28 2024-07-02 東レ株式会社 エポキシ樹脂組成物、中間基材、トウプレグ、および繊維強化複合材料

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003240127A (ja) 2002-02-15 2003-08-27 Mitsubishi Cable Ind Ltd 回転軸シールの製造方法および製造装置
JP2007031526A (ja) 2005-07-26 2007-02-08 Three Bond Co Ltd 加熱硬化型一液性樹脂組成物
JP2011515546A (ja) 2008-03-27 2011-05-19 ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング ポリメチレン尿素を含む電着プライマー
WO2018181802A1 (ja) 2017-03-31 2018-10-04 太陽ホールディングス株式会社 硬化性樹脂組成物、ドライフィルム、硬化物、電子部品およびプリント配線板
CN109370496A (zh) 2018-10-24 2019-02-22 芜湖海程橡塑有限公司 一种汽车用环氧结构胶及其制备方法
JP2019059911A (ja) 2017-09-26 2019-04-18 日鉄ケミカル&マテリアル株式会社 エポキシ樹脂組成物、エポキシ樹脂が含浸されたトウプリプレグ及び炭素繊維強化プラスチック

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224287A (en) * 1975-08-20 1977-02-23 Yokohama Rubber Co Ltd:The Composite boards having damped oscillating intermediate layers
JPH03190920A (ja) * 1989-12-20 1991-08-20 Nissan Motor Co Ltd 制振材料用樹脂組成物
JP3454437B2 (ja) * 1992-10-02 2003-10-06 ナショナル スターチ アンド ケミカル インベストメント ホールディング コーポレイション 低粘度無溶媒の一液型エポキシ樹脂接着性組成物
JPH09157498A (ja) 1995-12-12 1997-06-17 Toray Ind Inc 繊維強化複合材料用エポキシ樹脂組成物、プリプレグ及び繊維強化複合材料
JPH09227693A (ja) 1996-02-21 1997-09-02 Toray Ind Inc エポキシ樹脂組成物、プリプレグ、複合材料およびコンクリート部材
JP5293629B2 (ja) 2010-02-02 2013-09-18 東レ株式会社 トウプリプレグ用エポキシ樹脂組成物およびトウプリプレグ
CN103080182B (zh) * 2010-09-24 2015-04-01 东丽株式会社 纤维增强复合材料用环氧树脂组合物、预浸料坯及纤维增强复合材料
US9725567B2 (en) * 2010-11-03 2017-08-08 Mitsubishi Chemical Carbon Fiber And Composites, Inc. Adduct thermosetting surfacing film and method of forming the same
CA3006170C (en) 2015-12-10 2020-04-28 Mitsubishi Chemical Corporation Tow prepreg, composite material-reinforced pressure vessel, and method of producing composite material-reinforced pressure vessel
TWI778041B (zh) * 2017-03-31 2022-09-21 日商日鐵化學材料股份有限公司 纖維強化複合材料用環氧樹脂組成物、纖維強化複合材料及成形體

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003240127A (ja) 2002-02-15 2003-08-27 Mitsubishi Cable Ind Ltd 回転軸シールの製造方法および製造装置
JP2007031526A (ja) 2005-07-26 2007-02-08 Three Bond Co Ltd 加熱硬化型一液性樹脂組成物
JP2011515546A (ja) 2008-03-27 2011-05-19 ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング ポリメチレン尿素を含む電着プライマー
WO2018181802A1 (ja) 2017-03-31 2018-10-04 太陽ホールディングス株式会社 硬化性樹脂組成物、ドライフィルム、硬化物、電子部品およびプリント配線板
JP2019059911A (ja) 2017-09-26 2019-04-18 日鉄ケミカル&マテリアル株式会社 エポキシ樹脂組成物、エポキシ樹脂が含浸されたトウプリプレグ及び炭素繊維強化プラスチック
CN109370496A (zh) 2018-10-24 2019-02-22 芜湖海程橡塑有限公司 一种汽车用环氧结构胶及其制备方法

Also Published As

Publication number Publication date
WO2020217894A1 (ja) 2020-10-29
US20220177696A1 (en) 2022-06-09
KR20220004960A (ko) 2022-01-12
JPWO2020217894A1 (https=) 2020-10-29
KR102862525B1 (ko) 2025-09-24
EP3960789A4 (en) 2022-11-09
EP3960789B1 (en) 2024-05-29
EP3960789A1 (en) 2022-03-02
US12240975B2 (en) 2025-03-04

Similar Documents

Publication Publication Date Title
US11186692B2 (en) Epoxy resin composition, fiber reinforced composite material, molded article and pressure vessel
JP5747763B2 (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP7491215B2 (ja) エポキシ樹脂組成物、中間基材および繊維強化複合材料
JP2016148022A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP7139572B2 (ja) エポキシ樹脂組成物、繊維強化複合材料、成形品および圧力容器
EP4198070A1 (en) Epoxy resin composition, prepreg, and fiber-reinforced composite material
KR102557230B1 (ko) 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합 재료
CN112218904A (zh) 环氧树脂组合物、预浸体及纤维强化复合材料
JP2019023281A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP6421897B1 (ja) エポキシ樹脂組成物、プリプレグ、繊維強化複合材料およびその製造方法
JP2022039263A (ja) トウプレグ
JP7647102B2 (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP2020204026A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP7622436B2 (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP7707805B2 (ja) プリプレグおよび繊維強化複合材料
JP7508949B2 (ja) エポキシ樹脂組成物、中間基材、トウプレグ、および繊維強化複合材料
JP7622437B2 (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP2022039265A (ja) エポキシ樹脂組成物、トウプリプレグおよび繊維強化複合材料
JP2022039264A (ja) エポキシ樹脂組成物、トウプリプレグよび繊維強化複合材料
EP4703401A1 (en) Epoxy resin composition, prepreg, fiber-reinforced composite material, and method for producing epoxy resin composition
JP2022033709A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP2024049345A (ja) 繊維強化複合材料用エポキシ樹脂組成物および繊維強化複合材料
JP2022033710A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP2025086937A (ja) 繊維強化複合材料用エポキシ樹脂組成物、繊維強化複合材料用エポキシ樹脂フィルム、プリプレグおよび繊維強化複合材料

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230329

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230329

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240109

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240216

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240416

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240429

R150 Certificate of patent or registration of utility model

Ref document number: 7491215

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150