Processing

Please wait...

Settings

Settings

Goto Application

1. WO2019044959 - RUBBER COMPOSITION, INNER PERIPHERAL COVER RUBBER, CONVEYOR BELT, AND BELT CONVEYOR

Publication Number WO/2019/044959
Publication Date 07.03.2019
International Application No. PCT/JP2018/032087
International Filing Date 30.08.2018
IPC
C08L 9/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
9Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
B65G 15/32 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
15Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
30Belts or like endless load-carriers
32made of rubber or plastics
C08K 3/04 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
02Elements
04Carbon
C08K 3/06 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
02Elements
06Sulfur
C08L 7/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
7Compositions of natural rubber
CPC
B65G 15/30
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
15Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
30Belts or like endless load-carriers
B65G 15/32
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
15Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
30Belts or like endless load-carriers
32made of rubber or plastics
C08F 36/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
36Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
02the radical having only two carbon-to-carbon double bonds
04conjugated
06Butadiene
C08F 36/08
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
36Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
02the radical having only two carbon-to-carbon double bonds
04conjugated
08Isoprene
C08K 2201/006
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
2201Specific properties of additives
002Physical properties
006Additives being defined by their surface area
C08K 3/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
02Elements
04Carbon
Applicants
  • 株式会社ブリヂストン BRIDGESTONE CORPORATION [JP]/[JP]
Inventors
  • 石川 哲也 ISHIKAWA, Tetsuya
Agents
  • 大谷 保 OHTANI, Tamotsu
  • 滝沢 喜夫 TAKIZAWA, Yoshio
  • 平澤 賢一 HIRASAWA, Kenichi
  • 関根 由布 SEKINE, Yu
Priority Data
2017-16865201.09.2017JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) RUBBER COMPOSITION, INNER PERIPHERAL COVER RUBBER, CONVEYOR BELT, AND BELT CONVEYOR
(FR) COMPOSITION DE CAOUTCHOUC, CAOUTCHOUC POUR COUVERTURE PÉRIPHÉRIQUE INTÉRIEURE, COURROIE DE TRANSPORTEUR, ET TRANSPORTEUR À COURROIE
(JA) ゴム組成物、内周カバーゴム、コンベアベルト及びベルトコンベア
Abstract
(EN) Provided is a rubber composition which is superior in all of durability, energy-saving properties, and dimensional stability in rolling. This rubber composition contains: (A) a diene polymer; (B) a carbon black including a carbon black (b-1) having a nitrogen adsorption specific surface area of more than 100 m2/g and a dibutyl phthalate oil absorption of 100-140 ml/100 g, and a carbon black (b-2) having a nitrogen adsorption specific surface area of less than 60 m2/g and a dibutyl phthalate oil absorption of 110 ml/100 g or more; (C) sulfur; and (D) a vulcanization accelerator, wherein the total contained amount of the carbon black (b-1) and the carbon black (b-2) is 25-55 parts by mass with respect to 100 parts by mass of the diene polymer (A), the contained amount of the vulcanization accelerator (D) is 1.5-2.5 parts by mass with respect to 100 parts by mass of the diene polymer (A), and the mass ratio (sulfur/vulcanization accelerator) of the contained amount of the sulfur (C) to the vulcanization accelerator (D) is 0.4-0.8.
(FR) L'invention concerne une composition de caoutchouc qui est supérieure dans toutes les propriétés de durabilité, économie d'énergie et stabilité dimensionnelle lors du laminage. La composition de caoutchouc selon l'invention contient : (A) un polymère diénique ; (B) du noir de carbone dont un noir de carbone (b-1) ayant une surface spécifique d'adsorption d'azote supérieure à m2/g et une absorption d'huile de phtalate de dibutyle de 100 à 140 ml/100 g, et un noir de carbone (b-2) ayant une surface spécifique d'adsorption d'azote inférieure à 60 m2/g et une absorption d'huile de phtalate de dibutyle de 110 ml/100 g ou plus ; (C) du soufre ; et (D) un accélérateur de vulcanisation, où la quantité totale contenue de noir de carbone (b-1) et de noir de carbone (b-2) est de 25 à 55 parties en poids pour 100 parties en poids de polymère diénique (A), la quantité contenue d'accélérateur de vulcanisation (D) est de 1,5 à 2,5 parties en poids pour 100 parties en poids de polymère diénique (A), et le rapport en poids (soufre/accélérateur de vulcanisation) de la quantité contenue de soufre (C) à l'accélérateur de vulcanisation (D) est de 0,4 à 0,8.
(JA) 耐久性と、省エネルギー性と、圧延の寸法安定性の全てに優れたゴム組成物を提供すること。 ((A)ジエン系重合体、(B)窒素吸着比表面積が100m2/gを超え、かつジブチルフタレート吸油量が100~140ml/100gであるカーボンブラック(b-1)と、窒素吸着比表面積が60m2/g未満であり、かつジブチルフタレート吸油量が110ml/100g以上であるカーボンブラック(b-2)と、を含有するカーボンブラック、(C)硫黄、及び、(D)加硫促進剤を含有し、(A)ジエン系重合体100質量部に対する、前記カーボンブラック(b-1)及び前記カーボンブラック(b-2)の合計含有量が、25~55質量部であり、(A)ジエン系重合体100質量部に対する(D)加硫促進剤の含有量が、1.5~2.5質量部であり、(D)加硫促進剤に対する(C)硫黄の含有量が、質量比(硫黄/加硫促進剤)で0.4~0.8である、ゴム組成物。
Latest bibliographic data on file with the International Bureau