发明名称 |
Laser Markable Security Film |
摘要 |
A security film including a support (1) and a laser markable layer (3), wherein the laser markable layer includes i) a laser additive; ii) a polymer selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile; iii) an initiator; and iv) at least 15 wt % of radiation curable compound based on the total dry weight of the laser markable layer, wherein the radiation curable compound has a viscosity of less than 100 mPa·s at 25° C. and at a shear rate of 100 s−1. A security document and a method for preparing the security film are also disclosed. |
申请公布号 |
US2012231240(A1) |
申请公布日期 |
2012.09.13 |
申请号 |
US201013509462 |
申请日期 |
2010.12.17 |
申请人 |
UYTTENDAELE CARLO;AERTS BART;WAUMANS BART;GEUENS INGRID;AGFA-GEVAERT N.V. |
发明人 |
UYTTENDAELE CARLO;AERTS BART;WAUMANS BART;GEUENS INGRID |
分类号 |
B32B27/36;B32B3/00;B32B27/08;B32B27/32 |
主分类号 |
B32B27/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|