发明名称 |
BITUMEN COMPOSITIONS AND A PROCESS FOR THEIR PREPARATION |
摘要 |
Bitumen composition comprises bitumen component, less than 8 wt.% thermoplastic rubber and less than 5 wt.% of ethylene-vinyl acetate copolymer. The copolymer has vinyl acetate content of 20-35 wt.%. The preparation of the bitumen composition involves mixing the bitumen with a thermoplastic rubber and ethylene-vinyl acetate copolymer. The use of the bitumen composition in an asphalt mixture for road applications is also claimed. |
申请公布号 |
HRP970259(A2) |
申请公布日期 |
1998.06.30 |
申请号 |
HR1997P000259 |
申请日期 |
1997.05.15 |
申请人 |
SHELL INTERNATIONAL RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
WILLEM CORNELIUS VONK |
分类号 |
C08L31/04;C08L53/02;C08L95/00;(IPC1-7):C08L95/00 |
主分类号 |
C08L31/04 |
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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