发明名称 |
A SUBSTRATE FOR SECURITY DOCUMENTS |
摘要 |
<p>The present invention provides a durable substrate for security documents such as banknotes , cheques ,identification documents etc. and a method of manufacturing such a substrate. A soil resistant paper substrate is made from a stock comprising a suspension of paper fibres , said paper substrate being treated with microfibrillated cellulose. The microfibrillated cellulose bridges pore spaces formed by and in between the paper fibres at at least a surface of the substrate to provide soil resistance. The microfibrillated cellulose may be added to the stock , and/or applied prior to printing and/or after printing.</p> |
申请公布号 |
IN9839DEN2014(A) |
申请公布日期 |
2015.08.07 |
申请号 |
IN2014DE09839 |
申请日期 |
2014.11.20 |
申请人 |
DE LA RUE INTERNATIONAL LIMITED |
发明人 |
RATNAKUMAR, ROHAN;HOWLAND ,PAUL |
分类号 |
D21H27/00;D21H17/25;D21H19/34 |
主分类号 |
D21H27/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|