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JPS6474242A - Rubber composition - Google Patents

Rubber composition

Info

Publication number
JPS6474242A
JPS6474242A JP22948787A JP22948787A JPS6474242A JP S6474242 A JPS6474242 A JP S6474242A JP 22948787 A JP22948787 A JP 22948787A JP 22948787 A JP22948787 A JP 22948787A JP S6474242 A JPS6474242 A JP S6474242A
Authority
JP
Japan
Prior art keywords
rubber
100pts
carbon black
aggregate distribution
compsn
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.)
Pending
Application number
JP22948787A
Other languages
Japanese (ja)
Inventor
Takao Muraki
Yasushi Kikuchi
Ichiro Suzuki
Tadashige Enomoto
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.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber Co 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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP22948787A priority Critical patent/JPS6474242A/en
Publication of JPS6474242A publication Critical patent/JPS6474242A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To obtain a rubber compsn. having wear resistance and low heat build-up, by adding a carbon black having a nitrogen adsorption specific surface area and DBP absorption in a specified characteristic region and a specified aggregate distribution to a rubber. CONSTITUTION:A rubber compsn. wherein 20-100pts.wt. carbon black whose nitrogen adsorption specific surface area and DBP absorption are in the characteristic regions of 130-160m<2>/g and 100ml/100g or more, respectively, and whose aggregate distribution measured by means of a centrifugal method has a bimodal distribution satisfying the following items is added to 100pts.wt. rubber: (1) the modal diameter of a lower aggregate distribution (the first peak) is <=70mum, and (2) the modal diameter of a higher aggregate distribution (the second peak) is <=110mum. When the compounding ratio of the carbon black is less than 20pts.wt. based on 100pts.wt. rubber, it is impossible to obtain the aimed highly reinforced rubber compsn. On the other hand, when it is higher than 100pts.wt., it is impossible to obtain the aimed low heat build-up rubber compsn. Therefore, the compounding ratio should be within the range of 20-100 pts.wt.
JP22948787A 1987-09-16 1987-09-16 Rubber composition Pending JPS6474242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22948787A JPS6474242A (en) 1987-09-16 1987-09-16 Rubber composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22948787A JPS6474242A (en) 1987-09-16 1987-09-16 Rubber composition

Publications (1)

Publication Number Publication Date
JPS6474242A true JPS6474242A (en) 1989-03-20

Family

ID=16892934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22948787A Pending JPS6474242A (en) 1987-09-16 1987-09-16 Rubber composition

Country Status (1)

Country Link
JP (1) JPS6474242A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0350249A (en) * 1989-07-18 1991-03-04 Tokai Carbon Co Ltd rubber composition
WO2014098191A1 (en) * 2012-12-20 2014-06-26 株式会社ブリヂストン Carbon black and rubber composition produced using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0350249A (en) * 1989-07-18 1991-03-04 Tokai Carbon Co Ltd rubber composition
WO2014098191A1 (en) * 2012-12-20 2014-06-26 株式会社ブリヂストン Carbon black and rubber composition produced using same

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