Title:
VIBRATION-PROOF RUBBER COMPOSITION AND VIBRATION-PROOF RUBBER
Document Type and Number:
Japanese Patent JP2013018803
Kind Code:
A
Abstract:
To provide a vibration-proof rubber excellent in a dynamic-to-static modulus ratio and compression set properties, and in particular, suitably usable in a high temperature environment such as an engine room of an automobile.
The vibration-proof rubber composition includes, as a rubber component: a natural rubber (NR); an ethylene-propylene-diene rubber (EPDM); and a terminal-modified butadiene rubber (terminal-modified BR) at a mass ratio (NR)/(EPDM)/(terminal-modified BR) of 45-65/30-45/5-20, and contains a peroxide as a vulcanizing agent and a zinc acrylate and/or a zinc methacrylate as a co-crosslinking agent.
Inventors:
YAMAMOTO MASAAKI
Application Number:
JP2011150692A
Publication Date:
January 31, 2013
Filing Date:
July 07, 2011
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
C08L7/00; C08K5/098; C08L15/00; C08L23/16; F16F1/36; F16F15/08
Domestic Patent References:
| JPH04246448A | 1992-09-02 | |||
| JPH0873658A | 1996-03-19 | |||
| JPH08269237A | 1996-10-15 | |||
| JPH11255963A | 1999-09-21 | |||
| JPH10330544A | 1998-12-15 | |||
| JP2009298949A | 2009-12-24 | |||
| JP2011046795A | 2011-03-10 | |||
| JP2004285211A | 2004-10-14 | |||
| JP2006104372A | 2006-04-20 | |||
| JP2009298949A | 2009-12-24 | |||
| JP2011046795A | 2011-03-10 | |||
| JP2004285211A | 2004-10-14 | |||
| JPH04246448A | 1992-09-02 | |||
| JPH0873658A | 1996-03-19 | |||
| JPH08269237A | 1996-10-15 | |||
| JPH11255963A | 1999-09-21 | |||
| JPH10330544A | 1998-12-15 | |||
| JP2006104372A | 2006-04-20 |
Attorney, Agent or Firm:
Takashi Kojima
Saori Shigematsu
Katsunari Kobayashi
Takeshi Ishikawa
Saori Shigematsu
Katsunari Kobayashi
Takeshi Ishikawa