发明名称 |
PIPE COATINGS |
摘要 |
A pipe coating comprising a bitumen composition obtainable by mixing bitumen and a premixed additive comprising i) from 20 to 90 % by weight of one or more block copolymers of a vinyl aromatic hydrocarbon and a conjugated diene based on total additive, ii) from 1 to 20 % by weight of carbon black, based on total additive, and iii) from 10 to 70 % by weight of a mixing aid, based on total additive, wherein the bitumen composition may optionally contain a filler; coated pipes and a process for preparing coated pipes. |
申请公布号 |
EP1169400(B1) |
申请公布日期 |
2003.08.13 |
申请号 |
EP20000912606 |
申请日期 |
2000.03.14 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
HEIMERIKX, GERARDUS, WILHELMUS, JOZEF;DE KONING, THOMAS, CORNELIS |
分类号 |
C08L95/00;C09D195/00;F16L58/10;(IPC1-7):C09D195/00 |
主分类号 |
C08L95/00 |
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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