发明申请
US20080216935A1 Tire with sidewall comprised of emulsion styrene/butadiene rubber, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber 失效
具有由乳液苯乙烯/丁二烯橡胶,顺式1,4-聚异戊二烯橡胶和顺式1,4-聚丁二烯橡胶组成的侧壁的轮胎

  • 专利标题: Tire with sidewall comprised of emulsion styrene/butadiene rubber, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber
  • 专利标题(中): 具有由乳液苯乙烯/丁二烯橡胶,顺式1,4-聚异戊二烯橡胶和顺式1,4-聚丁二烯橡胶组成的侧壁的轮胎
  • 申请号: US11715694
    申请日: 2007-03-08
  • 公开(公告)号: US20080216935A1
    公开(公告)日: 2008-09-11
  • 发明人: Paul Harry Sandstrom
  • 申请人: Paul Harry Sandstrom
  • 主分类号: B60C1/00
  • IPC分类号: B60C1/00
Tire with sidewall comprised of emulsion styrene/butadiene rubber, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber
摘要:
This invention relates to a tire with a sidewall composition comprised of cis 1,4-polyisoprene rubber, particularly natural cis 1,4-polyisoprene rubber, and high cis 1,4-polybutadiene rubber combined with a partial replacement of the cis 1,4-polyisoprene rubber, particularly natural rubber, with a specialized emulsion polymerization styrene/butadiene rubber (E-SBR) having a glass transition temperature (Tg), similar to the Tg of natural cis 1,4-polyisoprene rubber, from about −70 to about −60° C. and a limited bound styrene content in a range of from about 12 to about 16 percent.
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