Invention Grant
US09012535B2 Method for producing natural rubber masterbatch, natural rubber masterbatch, rubber composition, and tire
有权
天然橡胶母粒，天然橡胶母料，橡胶组合物和轮胎的生产方法
- Patent Title: Method for producing natural rubber masterbatch, natural rubber masterbatch, rubber composition, and tire
- Patent Title (中): 天然橡胶母粒，天然橡胶母料，橡胶组合物和轮胎的生产方法
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Application No.: US12745403Application Date: 2008-11-25
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Publication No.: US09012535B2Publication Date: 2015-04-21
- Inventor: Hiroshi Yamada , Atsushi Nakayama , Tomohiro Urata
- Applicant: Hiroshi Yamada , Atsushi Nakayama , Tomohiro Urata
- Applicant Address: JP Tokyo
- Assignee: Bridgestone Corporation
- Current Assignee: Bridgestone Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2007-312686 20071203; JP2008-030347 20080212
- International Application: PCT/JP2008/071315 WO 20081125
- International Announcement: WO2009/072413 WO 20090611
- Main IPC: C08J3/20
- IPC: C08J3/20 ; C08K3/04 ; C08J3/22 ; B60C1/00 ; C08J3/205 ; C08K5/00
Abstract:
The present invention is to provide a production method of a natural rubber master batch including a step of mixing a natural rubber latex and an aqueous slurry having carbon black dispersed in water, wherein a mixing amount of the carbon black is from 10 to 100 parts by mass based on 100 parts by mass of a natural rubber component; and the carbon black is satisfied with the relationships expressed by (1) 120
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