发明名称 |
MULTI-LAYER IRIDESCENT FILMS |
摘要 |
<p>A transparent iridescent thermoplastic resinous laminate film having at least 10 very thin layers of substantially uniform thickness, said layers being generally parallel, the contiguous adjacent layers being of different transparent thermoplastic resinous materials of which one is a naphthalate-based polyester or copolyester resin, the contiguous adjacent layers differing in refractive index by at least about 0.03.</p> |
申请公布号 |
EP1133394(A1) |
申请公布日期 |
2001.09.19 |
申请号 |
EP19990972154 |
申请日期 |
1999.11.03 |
申请人 |
ENGELHARD CORPORATION |
发明人 |
ALLEN, SCOTT, I.;SHETTY, RAMAKRISHNA |
分类号 |
B32B27/36;B32B33/00;G02B5/26;G02B5/28;(IPC1-7):B32B27/36 |
主分类号 |
B32B27/36 |
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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