| 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 |
US8211517(B2) |
申请公布日期 |
2012.07.03 |
| 申请号 |
US20100793157 |
申请日期 |
2010.06.03 |
| 申请人 |
MARTENS MARVIN M.;MATHEW ANNAKUTTY;TOPOULOS GEORGIOS;EI DU PONT DE NEMOURS AND COMPANY |
发明人 |
MARTENS MARVIN M.;MATHEW ANNAKUTTY;TOPOULOS GEORGIOS |
| 分类号 |
B29D22/00 |
主分类号 |
B29D22/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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