发明名称 |
BITUMENZUSAMMENSETZUNGEN UND VERFAHREN ZU IHRER HERSTELLUNG |
摘要 |
The invention provides a process for preparing a bitumen composition comprising blowing a mixture with an oxygen-containing gas which mixture comprises a bitumen having a penetration of at least 300 dmm (as measured by ASTM D 5 at 25 DEG C) and a thermoplastic rubber which is present in an amount of less than 1 wt.%, based on total mixture; bitumen compositions obtainable by such process; and the use of such bitumen compositions in industrial applications. |
申请公布号 |
AT183221(T) |
申请公布日期 |
1999.08.15 |
申请号 |
AT19960942310T |
申请日期 |
1996.11.27 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
CHION, JACQUES;MORIZUR, MARIE-FRANCOISE;DE CAEN |
分类号 |
E04D5/10;C08J9/30;C08L21/00;C08L95/00 |
主分类号 |
E04D5/10 |
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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