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
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