发明名称 |
Polyurethane composite material and application |
摘要 |
The present invention discloses a Polyurethane (PU) composite material comprising a thermoplastic polyurethane and a filler. The thermoplastic polyurethane comprises a linear polyurethane main-chain, and the polyurethane main-chain comprises a soft segment and a hard segment. The hard segment of the polyurethane main-chain is formed by a diisocyanate and a chain extender, and the soft segment of the polyurethane main-chain is formed by a polyol. The present invention also teaches the application of the disclosed thermoplastic polyurethane composite material in dental root canal material.
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申请公布号 |
US2008319103(A1) |
申请公布日期 |
2008.12.25 |
申请号 |
US20070765575 |
申请日期 |
2007.06.20 |
申请人 |
NATIONAL TAIWAN UNIVERSITY |
发明人 |
HSIEH KUO-HUANG;LIN CHUN-PIN;LIAO KEN-HSUAN;LEE CHUNG-YI |
分类号 |
A61K6/09 |
主分类号 |
A61K6/09 |
代理机构 |
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