发明名称 |
SELF-SEALING TYRE COMPRISING A SEALING MATERIAL |
摘要 |
<p>The present invention relates to a tyre for vehicle wheels (100), comprising: a carcass structure having opposite lateral edges terminating in respective bead structures (103), said carcass structure comprising at least one carcass ply (101); a belt structure (106) applied in a radially external position with respect to said carcass structure; a tread band (109) applied in a radially external position with respect to said belt structure (106); a pair of sidewalls (108) applied laterally on opposite sides with respect to said carcass structure; at least one layer of sealing material (107) applied in a radially inner position with respect to said at least one carcass ply (101); wherein said sealing material comprises: from 20 phr to 99 phr, preferably from 50 phr to 90 phr, of at least one butyl elastomer; from 1 phr to 80 phr, preferably from 10 phr to 50 phr, of at least one block copolymer elastomer; from 10 phr to 70 phr, preferably from 20 phr to 40 phr, of at least one tackifying agent.</p> |
申请公布号 |
WO2009006915(A1) |
申请公布日期 |
2009.01.15 |
申请号 |
WO2007EP06015 |
申请日期 |
2007.07.06 |
申请人 |
PIRELLI TYRE S.P.A.;RESMINI, EMILIANO;NAHMIAS NANNI, MARCO;PUPPI, CRISTIANO;SOLINAS, STEFANO |
发明人 |
RESMINI, EMILIANO;NAHMIAS NANNI, MARCO;PUPPI, CRISTIANO;SOLINAS, STEFANO |
分类号 |
B29C73/22;B29D30/00;C09K3/12 |
主分类号 |
B29C73/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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