发明名称 |
MATERIAL ESTRATIFICADO COLESTERICO COM UMA IMPRESSAO DE COR MELHORADA E PROCESSOS PARA O SEU FABRICO |
摘要 |
Cholesteric laminate material has at least one 3-dimensionally crosslinked, oriented cholesteric layer (I) showing a homogeneous interference line pattern over the entire thickness. Independent claims are also included for the following: (a) cholesteric pigment comprising layer(s) (I) with an average particle size of 5-50 mu m and thickness of 0.2-5 mu m; (b) compositions containing the pigment(s); (c) polarizers, comprising the laminate and optionally a substrate foil; (d) broad band polarizers comprising laminates with a total thickness of about 2-50 mu m (without substrate film) and 3-20 cholesteric layers with attuned reflection maxima; and (e) the production of the laminate with layer(s) (I). |
申请公布号 |
PT1078975(E) |
申请公布日期 |
2004.03.31 |
申请号 |
PT20000118522T |
申请日期 |
2000.08.25 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
NORBERT SCHNEIDER;PETER SCHUHMACHER;FRANK PRECHTL DR.;FRANK MEYER, DR.;ROBERT PARKER;VOLKER RICHTER;PETER HEILMANN, DR.;VOLKER KOCH, DR. |
分类号 |
G02B5/30;C08F2/46;C08F20/26;C09B67/00;C09B67/02;C09B67/08;C09B67/20;C09D5/29;C09D5/36;C09D201/00;C09K19/00;G02F1/1335;(IPC1-7):C09K19/00 |
主分类号 |
G02B5/30 |
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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