发明申请
US20090192246A1 POLYMERS AND THEIR USE IN ASPHALT COMPOSITIONS AND ASPHALT CONCRETES
审中-公开
聚合物及其在沥青组合物和沥青混凝土中的应用
- 专利标题: POLYMERS AND THEIR USE IN ASPHALT COMPOSITIONS AND ASPHALT CONCRETES
- 专利标题(中): 聚合物及其在沥青组合物和沥青混凝土中的应用
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申请号: US12418860申请日: 2009-04-06
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公开(公告)号: US20090192246A1公开(公告)日: 2009-07-30
- 发明人: Daniel F. Graves , Peter W. Boerner
- 申请人: Daniel F. Graves , Peter W. Boerner
- 主分类号: C08L95/00
- IPC分类号: C08L95/00 ; C08L9/00
摘要:
A modified asphalt composition comprising a naphthenic asphalt; and a block copolymer including a block comprising diene units characterized by having a vinyl content of at least 15% by weight.
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