Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ゴム組成物およびそれを用いた自動車用燃料タンクパッキン
Document Type and Number:
Japanese Patent JP5520748
Kind Code:
B2
Abstract:
Provided is a rubber composition, which is excellent in fuel permeation resistance, and is capable of achieving improvements in low-temperature embrittlement property and solvent crack property. The rubber composition includes: a fluororubber having a fluorine concentration content of 70 to 71 wt % as a main component; a crosslink-type agent; and the following components (A) and (B), in which: the total content [(A)+(B)] of the above-mentioned components (A) and (B) falls within the range of 17 to 25 parts by weight with respect to 100 parts by weight of the above-mentioned fluororubber; and a weight ratio (A)/(B) of the content of the above-mentioned component (A) to the content of the above-mentioned component (B) falls within the range of 2.0/1 to 3.0/1: (A) barium sulfate; and (B) a neutral silica.

Inventors:
野田 将司
松永 英治
Application Number:
JP2010189479A
Publication Date:
June 11, 2014
Filing Date:
August 26, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
東海ゴム工業株式会社
International Classes:
C08L27/12; C08K3/30; C08K3/36; C08K5/14; C08K5/3492; F16J15/10
Domestic Patent References:
JP2009013203A
JP2007271077A
JP2006299218A
Foreign References:
WO2007148759A1
Attorney, Agent or Firm:
西藤 征彦



 
Previous Patent: JPS5520747

Next Patent: METHOD OF SEPARATING GLYCOLS