| 发明名称 |
MULTI-LAYERED COEXTRUDED TUBE |
| 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. |
| 申请公布号 |
EP2440825(A1) |
申请公布日期 |
2012.04.18 |
| 申请号 |
EP20100724960 |
申请日期 |
2010.06.08 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MARTENS, MARVIN, MICHAEL;MATHEW, ANNAKUTTY;TOPOULOS, GEORGIOS |
| 分类号 |
F16L9/133;B32B1/08;B32B7/02;B32B27/08;B32B27/18;B32B27/34;C08G69/36;C08K3/16 |
主分类号 |
F16L9/133 |
| 代理机构 |
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