摘要 |
<p>A security film including, in order, a transparent biaxially oriented polyethylene terephthalate support (1), a subbing layer (2, 2') and a laser markable layer (3, 3') comprising a laser additive and one or more polymers selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile.</p> |
申请人 |
AGFA-GEVAERT;UYTTENDAELE, CARLO;WAUMANS, BART;AERTS, BART;GEUENS, INGRID |
发明人 |
UYTTENDAELE, CARLO;WAUMANS, BART;AERTS, BART;GEUENS, INGRID |