WO2009093695A1 - Composition de caoutchouc, composition de caoutchouc pour bande de roulement de base, composition de caoutchouc pour toile en caoutchouc, composition de caoutchouc pour flanc de pneu et pneu utilisant les compositions de caoutchouc - Google Patents

Composition de caoutchouc, composition de caoutchouc pour bande de roulement de base, composition de caoutchouc pour toile en caoutchouc, composition de caoutchouc pour flanc de pneu et pneu utilisant les compositions de caoutchouc Download PDF

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Publication number
WO2009093695A1
WO2009093695A1 PCT/JP2009/051087 JP2009051087W WO2009093695A1 WO 2009093695 A1 WO2009093695 A1 WO 2009093695A1 JP 2009051087 W JP2009051087 W JP 2009051087W WO 2009093695 A1 WO2009093695 A1 WO 2009093695A1
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WO
WIPO (PCT)
Prior art keywords
rubber composition
rubber
weight
parts
polyamide elastomer
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.)
Ceased
Application number
PCT/JP2009/051087
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English (en)
Japanese (ja)
Inventor
Naomi Okamoto
Kazuhiro Fueda
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.)
Ube Corp
Original Assignee
Ube Industries Ltd
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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP2009550575A priority Critical patent/JPWO2009093695A1/ja
Publication of WO2009093695A1 publication Critical patent/WO2009093695A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers

Definitions

  • the present invention relates to a rubber composition
  • a rubber composition comprising a vulcanizable rubber, a polyamide elastomer having a melting point of 100 to 180 ° C. and an inorganic reinforcing agent, a rubber composition for a base tread, a rubber composition for a chafer, and a rubber composition for a sidewall.
  • a rubber composition comprising a vulcanizable rubber, a polyamide elastomer having a melting point of 100 to 180 ° C. and an inorganic reinforcing agent, a rubber composition for a base tread, a rubber composition for a chafer, and a rubber composition for a sidewall.
  • Patent Document 1 describes that a reinforcing effect is maintained even if the reinforcing agent is reduced by using a butadiene rubber that is changed to syndiotactic polybutadiene having a high reinforcing property.
  • syndiotactic polybutadiene it has been difficult to improve the target fuel efficiency, elongation at break, balance of hardness, etc. comprehensively.
  • Patent Document 2 discloses a rubber composition in which a thermoplastic polyamide refined (or shortened fiber) and silica particles are blended with rubber to improve the wear resistance of a roll of OA equipment. Further, Patent Document 3 discloses a rubber composition for a seismic isolation laminate that absorbs vibration energy efficiently with a high elastic modulus by blending natural rubber or the like with a polyamide elastomer and fine carbon black.
  • JP 2006-124503 A Japanese Patent Laid-Open No. 7-224189 JP-A-10-237221
  • the first object of the present invention is to provide a rubber composition having high elasticity, high tensile strength, and excellent heat generation and fatigue properties.
  • the present invention also provides a rubber composition for a base tread, a base tread, and a tire including the same, having high elasticity, high tensile strength, high elongation at break, excellent heat generation and fatigue, and excellent balance between them.
  • the second purpose is to do.
  • a third object of the present invention is to provide a chafer rubber composition, chafer, and a tire including the same, which are excellent in exothermic property, elongation at break, hardness, and fatigue properties and are well balanced.
  • the present invention provides a rubber composition for a sidewall, a sidewall, and a tire including the same, which are excellent in exothermic property, chip cut resistance, hardness, fatigue property, and flex crack growth property, and in an excellent balance thereof.
  • the fourth purpose is to provide it.
  • the present invention relates to 1 to 50 parts by weight of a polyamide elastomer (B) having a melting point of 100 to 180 ° C. and 60 to 100 parts by weight of an inorganic reinforcing agent (C) with respect to 100 parts by weight of vulcanizable rubber (A).
  • a rubber composition for chafers that has a JIS-A hardness of 70 to 90 and a breaking elongation of 180% or more in a tensile test.
  • this invention is a chafer containing the said rubber composition for chafers.
  • this invention is tires, such as a tire for passenger cars and a studless tire which have the said chafer.
  • the present invention can provide a chafer rubber composition, a chafer, and a tire including the same, which are excellent in exothermic property, elongation at break, hardness, and fatigue properties and are well balanced.
  • the present invention provides a rubber composition for a sidewall, a sidewall, and a tire including the same, which are excellent in exothermic property, chip cut resistance, hardness, fatigue property, and flex crack growth property, and in an excellent balance thereof. Can be provided.
  • Polymer Acrylonitrile-diene copolymer rubber such as acrylonitrile butadiene rubber (NBR), nitrile chloroprene rubber, and nitrile isoprene rubber; Styrene-diene copolymer rubber such as styrene butadiene rubber (SBR), styrene chloroprene rubber, and styrene isoprene rubber And ethylene propylene diene rubber (EPDM) and the like.
  • NBR acrylonitrile butadiene rubber
  • SBR styrene butadiene rubber
  • EPDM ethylene propylene diene rubber
  • vulcanization accelerator examples include aldehydes, ammonia, amines, guanidines, thioureas, thiazoles, thiurams, dithiocarbamates, and xanthates, and more specifically, tetramethylthiuram.
  • polyamide elastomer (B) in particular, a polyamide-forming monomer [that is, an aminocarboxylic acid compound (D1) and / or a lactam compound (D2)], an XYX type triblock polyetherdiamine compound (E) (Y is a polyoxy And a polyether polyamide elastomer obtained by polymerizing a dicarboxylic acid (F).
  • the lactam compound (D2) used in the present invention is a compound represented by the following formula (2).
  • R 2 represents a linking group containing a hydrocarbon chain, and is preferably an aliphatic, alicyclic or aromatic hydrocarbon group having 3 to 20 carbon atoms or an alkylene group having 3 to 20 carbon atoms, More preferably, the hydrocarbon group having 3 to 18 carbon atoms or the alkylene group having 3 to 18 carbon atoms, more preferably the hydrocarbon group having 4 to 15 carbon atoms or the alkylene group having 4 to 15 carbon atoms, The hydrocarbon group having 10 to 15 carbon atoms or the alkylene group having 10 to 15 carbon atoms is particularly preferable.
  • the dicarboxylic acid compound (F) used in the present invention is a compound represented by the following formula (4). HOOC- (R 3 ) m —COOH (4)
  • the polyether polyamide elastomer can be produced by a method comprising steps of normal pressure melt polymerization or normal pressure melt polymerization followed by low pressure melt polymerization when ⁇ -aminocarboxylic acid is used as the polyamide-forming monomer.
  • alkoxysilanes as described above, alkoxysilanes containing vinyl groups, alkoxysilanes having ester bonds, alkoxysilanes having epoxy groups, alkoxysilanes having amino groups, alkoxysilanes having mercapto groups, sulfide groups
  • alkoxysilanes having chloro groups alkoxysilanes having chloro groups, alkoxysilanes having styryl groups, alkoxysilanes having ureido groups, alkoxysilanes having isocyanate groups, and the like.
  • alkoxysilanes having a sulfide group examples include 3-octanoylthio-1-propyltriethoxysilane and bis (triethoxysilylpropyl) tetrasulfide.
  • the amount of the inorganic reinforcing agent (C) used is 20 to 70 parts by weight, preferably 30 to 60 parts by weight, more preferably 35 to 55 parts by weight with respect to 100 parts by weight of the vulcanizable rubber (A). is there.
  • the inorganic reinforcing agent (C) is a mixture of carbon black and silica. It is preferable.
  • the weight ratio of carbon black / silica is preferably 90/10 to 10/90, more preferably 80/20 to 20/80, and particularly preferably 70/30 to 30/70. If the amount of silica is less than 10%, energy loss increases, and if it is more than 90%, there is a drawback that workability and wear resistance are deteriorated.
  • the tire according to the present invention can improve heat generation, chip cut resistance, hardness and flex crack growth by having the rubber composition for a sidewall obtained in the invention.
  • Terminal carboxy group concentration ([COOH]) 40 ml of benzyl alcohol was added to about 1 g of the polymer, dissolved by heating in a nitrogen gas atmosphere, phenolphthalein was added as an indicator to the obtained sample solution, and titrated with an N / 20 potassium hydroxide-ethanol solution.
  • Examples 17 to 21 and Comparative Example 9 Next, Examples 17 to 21 and Comparative Example 9 will be described.
  • the mixture was kneaded for 5 minutes at a start temperature of 90 ° C. to obtain a primary kneaded product. At this time, the maximum kneading temperature was 170 ° C. to 180 ° C.
  • the primary kneaded product was kneaded with a vulcanization accelerator and sulfur on a 10-inch roll at 60 ° C. to obtain a secondary kneaded product.
  • the rubber compositions of Examples 22 to 25 have superior processability (small die swell), high elasticity, high tensile strength, large elongation at break, and excellent flex crack growth compared to Comparative Example 10. I understand that. Moreover, since PAE used in Comparative Example 10 had a high melting point, it did not melt and disperse during kneading and remained in a pellet form.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Tires In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyamides (AREA)

Abstract

L'invention porte sur une composition de caoutchouc présentant une élasticité et une résistance à la traction élevées, d'excellentes propriétés de génération de chaleur et de résistance à la fatigue. La composition de caoutchouc est caractérisée en ce qu'elle contient 0,1-50 parties en poids d'un élastomère de polyamide (B) dont le point de fusion est de 100-180 °C et 1-100 parties en poids d'un agent de renforcement inorganique (C) pour 100 parties en poids d'un caoutchouc vulcanisable (A). La composition de caoutchouc est également caractérisée en ce que le segment souple de l'élastomère de polyamide (B) est composé d'un polyéther.
PCT/JP2009/051087 2008-01-23 2009-01-23 Composition de caoutchouc, composition de caoutchouc pour bande de roulement de base, composition de caoutchouc pour toile en caoutchouc, composition de caoutchouc pour flanc de pneu et pneu utilisant les compositions de caoutchouc Ceased WO2009093695A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009550575A JPWO2009093695A1 (ja) 2008-01-23 2009-01-23 ゴム組成物、ベーストレッド用ゴム組成物、チェーファー用ゴム組成物、及びサイドウォール用ゴム組成物、並びにそれらを用いたタイヤ

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP2008012436 2008-01-23
JP2008-012436 2008-01-23
JP2008068242 2008-03-17
JP2008068240 2008-03-17
JP2008-068242 2008-03-17
JP2008068241 2008-03-17
JP2008-068241 2008-03-17
JP2008-068240 2008-03-17
JP2008-139426 2008-05-28
JP2008139426 2008-05-28
JP2008140419 2008-05-29
JP2008-140419 2008-05-29
JP2008-169719 2008-06-30
JP2008169719 2008-06-30

Publications (1)

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WO2009093695A1 true WO2009093695A1 (fr) 2009-07-30

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PCT/JP2009/051087 Ceased WO2009093695A1 (fr) 2008-01-23 2009-01-23 Composition de caoutchouc, composition de caoutchouc pour bande de roulement de base, composition de caoutchouc pour toile en caoutchouc, composition de caoutchouc pour flanc de pneu et pneu utilisant les compositions de caoutchouc

Country Status (2)

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JP (4) JPWO2009093695A1 (fr)
WO (1) WO2009093695A1 (fr)

Cited By (30)

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Publication number Priority date Publication date Assignee Title
JP2010111817A (ja) * 2008-11-10 2010-05-20 Ube Ind Ltd 更生タイヤ用ゴム組成物および更生タイヤ
US20110056612A1 (en) * 2009-09-10 2011-03-10 Mutsuki Sugimoto Method for Producing Polymer Sheet for Inner Liner and Method for Producing Pneumatic Tire
WO2011027703A1 (fr) * 2009-09-04 2011-03-10 宇部興産株式会社 Élastomère polyéther-polyamide et stratifié de polyamide
US20110068508A1 (en) * 2009-09-18 2011-03-24 Mutsuki Sugimoto Method for producing pneumatic tire
JP2011105870A (ja) * 2009-11-18 2011-06-02 Bridgestone Corp 防振ゴム組成物及び防振ゴム
JP2011246685A (ja) * 2010-04-30 2011-12-08 Yokohama Rubber Co Ltd:The ゴム組成物およびそれを用いた空気入りタイヤ
JP2012066811A (ja) * 2010-08-25 2012-04-05 Bridgestone Corp タイヤ
JP2013501085A (ja) * 2009-07-31 2013-01-10 コンパニー ゼネラール デ エタブリッスマン ミシュラン はめ込みセルフシーリングプライを有する空気式タイヤ
JP2013521360A (ja) * 2010-03-05 2013-06-10 コンパニー ゼネラール デ エタブリッスマン ミシュラン トレッドが熱可塑性エラストマーを含むタイヤ
JP2013234227A (ja) * 2012-05-07 2013-11-21 Toyo Tire & Rubber Co Ltd タイヤトレッド用ゴム組成物及び空気入りタイヤ
JP2014177278A (ja) * 2010-03-31 2014-09-25 Kolon Industries Inc タイヤインナーライナ用フィルムおよびその製造方法
KR101475493B1 (ko) * 2010-06-30 2014-12-30 코오롱인더스트리 주식회사 타이어 이너라이너용 필름 및 그의 제조 방법
US20150018495A1 (en) * 2012-03-01 2015-01-15 Bridgestone Corporation Tire
JP2015059129A (ja) * 2013-09-17 2015-03-30 横浜ゴム株式会社 ゴム組成物およびそれを用いた空気入りタイヤ
WO2015147258A1 (fr) * 2014-03-27 2015-10-01 横浜ゴム株式会社 Composition de caoutchouc et pneu l'utilisant
WO2015147260A1 (fr) * 2014-03-27 2015-10-01 横浜ゴム株式会社 Composition de caoutchouc et pneu l'utilisant
WO2016047709A1 (fr) * 2014-09-24 2016-03-31 株式会社ブリヂストン Pneumatique
WO2016067842A1 (fr) * 2014-10-27 2016-05-06 株式会社ブリヂストン Pneu
US9387725B2 (en) 2010-08-25 2016-07-12 Bridgestone Corporation Tire, and manufacturing method for same
WO2016143667A1 (fr) * 2015-03-06 2016-09-15 横浜ゴム株式会社 Composition de caoutchouc et pneumatique à base de celle-ci
WO2017119254A1 (fr) * 2016-01-07 2017-07-13 株式会社ブリヂストン Composition de caoutchouc, composition de caoutchouc pour chenilles, caoutchouc pour sculpture et chenille en caoutchouc
JP2019501253A (ja) * 2015-12-18 2019-01-17 コンパニー ゼネラール デ エタブリッスマン ミシュラン ジエンエラストマーと熱可塑性エラストマーとペルオキシドを含むトレッドを備えたタイヤ
JP2019077809A (ja) * 2017-10-25 2019-05-23 横浜ゴム株式会社 タイヤ用ゴム組成物及び空気入りタイヤ
WO2019092377A3 (fr) * 2017-11-13 2019-09-19 Compagnie Generale Des Etablissements Michelin Composition de caoutchouc a base d'un polyamide a basse temperature de fusion
JPWO2021166904A1 (fr) * 2020-02-19 2021-08-26
WO2021205109A1 (fr) * 2020-04-09 2021-10-14 Compagnie Generale Des Etablissements Michelin Composition de caoutchouc comprenant du polyamide a basse temperature de fusion
WO2021230194A1 (fr) * 2020-05-14 2021-11-18 Jsr株式会社 Composition
WO2021230195A1 (fr) * 2020-05-14 2021-11-18 Jsr株式会社 Composition
US20220033624A1 (en) * 2018-12-20 2022-02-03 Total Marketing Services Rubber composition comprising esters from renewable sources as plasticizers
WO2024203824A1 (fr) * 2023-03-29 2024-10-03 デンカ株式会社 Composition de caoutchouc, corps moulé de vulcanisation et rouleau de caoutchouc

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EP3199571B1 (fr) * 2014-09-24 2019-06-05 Bridgestone Corporation Pneumatique
WO2016047708A1 (fr) * 2014-09-24 2016-03-31 株式会社ブリヂストン Pneumatique
EP3199593B1 (fr) * 2014-09-24 2018-11-14 Bridgestone Corporation Pneumatique
WO2016052563A1 (fr) * 2014-09-29 2016-04-07 株式会社ブリヂストン Pneumatique
US10611190B2 (en) 2014-09-29 2020-04-07 Bridgestone Corporation Tire
WO2016052706A1 (fr) * 2014-10-01 2016-04-07 株式会社ブリヂストン Structure de pneu et pneu
JP5989279B1 (ja) * 2014-10-01 2016-09-07 株式会社ブリヂストン タイヤ骨格体およびタイヤ
KR101658634B1 (ko) * 2014-12-24 2016-09-22 한국타이어 주식회사 타이어 비드필러용 고무 조성물 및 이를 이용하여 제조한 타이어
WO2017043463A1 (fr) * 2015-09-07 2017-03-16 横浜ゴム株式会社 Composition de caoutchouc
JP6332206B2 (ja) * 2015-09-07 2018-05-30 横浜ゴム株式会社 空気入りタイヤ
WO2017056767A1 (fr) * 2015-09-30 2017-04-06 住友ゴム工業株式会社 Pneumatique
US20190002690A1 (en) * 2016-02-26 2019-01-03 Bridgestone Corporation Tire
US11097571B2 (en) 2016-02-26 2021-08-24 Bridgestone Corporation Tire
WO2019111818A1 (fr) 2017-12-06 2019-06-13 株式会社ブリヂストン Composition de caoutchouc pour pneus et pneu
JP7610407B2 (ja) * 2018-02-21 2025-01-08 株式会社ブリヂストン ゴム組成物
JP7082898B2 (ja) * 2018-04-06 2022-06-09 横浜ゴム株式会社 タイヤインナーライナー用熱可塑性樹脂組成物、タイヤインナーライナー、空気入りタイヤ、タイヤインナーライナーの製造方法、および空気入りタイヤの製造方法
TW202417536A (zh) 2022-10-20 2024-05-01 日商Ｄｉｃ股份有限公司 消泡劑、包含該消泡劑的潤滑油組成物及使用該潤滑油組成物的機械

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JPWO2021166904A1 (fr) * 2020-02-19 2021-08-26
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