| 发明名称 |
Rigid vinyl polymer articles resistant to discoloration from gamma radiation. |
| 摘要 |
<p>The present invention resides in a clear, rigid, vinyl polymer part sterilized by exposure to about 2 to about 5 Mrad of gamma radiation characterized as having an increase in yellowness index from radiation, as determined by ASTM D1925-70, of less than about 10, and a rigidity as determined by ASTM Tensile Test D638 of more than about 250,000 psi.</p> |
| 申请公布号 |
EP0345662(A1) |
申请公布日期 |
1989.12.13 |
| 申请号 |
EP19890110021 |
申请日期 |
1989.06.02 |
| 申请人 |
THE B.F. GOODRICH COMPANY |
发明人 |
FORSYTH, THOMAS HENRY;SUMMERS, JAMES WILLIAM;TOYODA, PAUL SCOTT;KLINE, SALLY ANN;RABINOVITCH, ELVIRA BORISOVNA |
| 分类号 |
C08K5/00;A61L29/14;A61L31/14;C08K5/11;C08K5/13;C08K5/57;C08L27/04;C08L27/06 |
主分类号 |
C08K5/00 |
| 代理机构 |
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代理人 |
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