发明名称 |
Tire curing bladder containing lecithin and use thereof |
摘要 |
<p>The invention relates to expandable butyl rubber bladders for use in curing presses for hydrocarbon rubbers such as pneumatic tires. The bladders are a crosslinked elastomer comprising isobutylene repeat units and the bladder composition contains lecithin, particularly a modified lecithin, preferably in liquid form, dispersed within the bladder composition. The bladder composition may also contain castor oil, corn oil and/or soya-bean oil. The bladder composition may also contain at least one of graphite and polytetrafluoroethylene powder. The invention also relates to a method of curing tires by utilizing such butyl rubber bladder.</p> |
申请公布号 |
EP1078955(A1) |
申请公布日期 |
2001.02.28 |
申请号 |
EP20000117516 |
申请日期 |
2000.08.14 |
申请人 |
THE GOODYEAR TIRE & RUBBER COMPANY |
发明人 |
PATITSAS, GEORGE PHILEMON;WHITE, JOHN RICHARD;SANDSTROM, PAUL HARRY;KANSUPADA, BHARAT KANCHANLAL |
分类号 |
B29C35/02;B29C33/02;B29C33/40;B29C33/50;C08K3/04;C08K5/103;C08K5/521;C08L11/00;C08L23/22;C08L61/10;C08L91/00;(IPC1-7):C08L23/22;B29C35/00;C08F210/12 |
主分类号 |
B29C35/02 |
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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