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.
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申请公布号 |
US2010307625(A1) |
申请公布日期 |
2010.12.09 |
申请号 |
US20100793157 |
申请日期 |
2010.06.03 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MARTENS MARVIN M.;MATHEW ANNAKUTTY;TOPOULOS GEORGIOS |
分类号 |
F16L9/14 |
主分类号 |
F16L9/14 |
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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