发明公开
- 专利标题: MULTI-LAYERED COEXTRUDED TUBE
- 专利标题(中): 多层管共挤
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申请号: EP10724960.9申请日: 2010-06-08
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公开(公告)号: EP2440825A1公开(公告)日: 2012-04-18
- 发明人: MARTENS, Marvin, Michael , MATHEW, Annakutty , TOPOULOS, Georgios
- 申请人: E. I. du Pont de Nemours and Company
- 申请人地址: 1007 Market Street Wilmington, DE 19898 US
- 专利权人: E. I. du Pont de Nemours and Company
- 当前专利权人: E. I. du Pont de Nemours and Company
- 当前专利权人地址: 1007 Market Street Wilmington, DE 19898 US
- 代理机构: Dannenberger, Oliver Andre
- 优先权: US184883P 20090608
- 国际公布: WO2010144383 20101216
- 主分类号: F16L9/133
- IPC分类号: F16L9/133 ; B32B1/08 ; B32B7/02 ; B32B27/08 ; B32B27/34 ; B32B27/18 ; C08K3/16 ; C08G69/36
摘要:
Multi-layered co-extruded tubes are provided that include an outer layer including a first semiaromatic semicrystalline polyamide having a melt temperature of about 240° C. to 280° C., and a thermal stabilizer; and an inner layer including a second semiaromatic semicrystalline polyamide having a glass transition equal to or greater than 100° C.
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