发明名称 |
Multilayered articles having biocompatibility and biostability characteristics |
摘要 |
Multilayer articles, such as tubing and films, are disclosed which have a soft layer of aliphatic polyurethane and at least one layer of hard aliphatic polyurethane. The articles formed avoid the problem of tackiness when using only a soft aliphatic polyurethane, while maintaining flexibility. The articles are also biocompatible and biostable and are suitable for use in medical applications.
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申请公布号 |
US7588707(B2) |
申请公布日期 |
2009.09.15 |
申请号 |
US20070846678 |
申请日期 |
2007.08.29 |
申请人 |
LUBRIZOL ADVANCED MATERIALS, INC. |
发明人 |
BELLIVEAU BRIAN P.;DOWNIE ROBERT B. |
分类号 |
B29C47/06;A61L29/08;B29C47/00;B32B1/08;B32B27/40;C08G18/44;C08G18/48;C08G18/75;F16L11/12;F16L11/22 |
主分类号 |
B29C47/06 |
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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