发明名称 |
Procédé de réalisation d'un produit à film protecteur transférable et produit obtenu pour la protection de documents ou autres éléments. |
摘要 |
1. Process for bringing about a protective product with a protective film capable of being transferred in the cold state by simple pressure, which can be used for covering end protecting on the surface a document or other object, characterised in that it consists in producing on a non-adhesive support foil (1) an imprint (2) by means of a liquid polymerisable two-component mixture containing a hydroxylated polyol and an isocyanate or polhisocyanate so as to cause polymerisation of the mixture in situ, leading to a thin transparent polyurethane film, and in covering said film with a transparent adhesive layer (3). |
申请公布号 |
OA8780(A) |
申请公布日期 |
1989.03.31 |
申请号 |
OA19870059231 |
申请日期 |
1987.11.27 |
申请人 |
VERNHET LOUIS;TRANTOUL FRANCOIS |
发明人 |
VERNHET LOUIS;TRANTOUL FRANCOIS |
分类号 |
B41M3/12;B41M7/00;B44C1/16;(IPC1-7):B29C63/02;B41M1/10;B29C65/48;B32B29/06;B32B27/40;B41M3/00;B32B27/30;B41M1/12;B65C5/02 |
主分类号 |
B41M3/12 |
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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