Title:
PROCESSES FOR PRODUCING WET RUBBER MASTERBATCH AND RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2017/085972
Kind Code:
A1
Abstract:
A process for producing a wet rubber masterbatch from at least a filler, a dispersion medium, and a rubber latex solution as raw materials, the process comprising a step (i) in which the filler, the dispersion medium, and the rubber latex solution are mixed to produce a filled rubber latex solution, a step (ii) in which the filled rubber latex solution is coagulated to produce a filled coagulated rubber, and a step (iii) in which the filled coagulated rubber is dehydrated to produce the wet rubber masterbatch, wherein in the step (iii), the temperature [T1 (ºC)] of the filled coagulated rubber which has not been dehydrated and the temperature [T2 (ºC)] of the filled coagulated rubber which has been dehydrated satisfy the following relationships (1) and (2).
T1≤100 (1)
80≤(T2-T1)≤160 (2)
Inventors:
TANAKA MAKOTO (JP)
Application Number:
PCT/JP2016/073622
Publication Date:
May 26, 2017
Filing Date:
August 10, 2016
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
International Classes:
C08J3/22; B29B7/42; B29B7/48; B29B7/84; C08K3/00; C08L21/02; B29C48/40
Foreign References:
| JP2014091810A | 2014-05-19 | |||
| JP2012131943A | 2012-07-12 | |||
| JP2010248327A | 2010-11-04 | |||
| JP2013147574A | 2013-08-01 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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