| 发明名称 |
Preparing laminated thermoplastics stabilized with bisbenzophenones |
| 摘要 |
Thermoplastic articles, preferably of polycarbonate, are advantageously stabilized by selected bisbenzophenone UV absorbers concentrated in the outer surface or coating layers of the article prepared by coextrusion techniques.
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| 申请公布号 |
US5306456(A) |
申请公布日期 |
1994.04.26 |
| 申请号 |
US19930029211 |
申请日期 |
1993.03.10 |
| 申请人 |
CIBA-GEIGY CORPORATION |
发明人 |
SUHADOLNIK, JOSEPH;BOTKIN, JAMES H.;HENDRICKS, CARMEN |
| 分类号 |
B29C47/06;B29K69/00;B29K105/16;B29L9/00;B32B27/18;B32B27/36;C08K5/13;C08K5/132;C09K3/00;(IPC1-7):B29C47/06 |
主分类号 |
B29C47/06 |
| 代理机构 |
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代理人 |
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