PROCEDE DE PROTECTION D'UN DOCUMENT, DISPOSITIF DE PROTECTION COMPRENANT UNE COUCHE ADHESIVE ET DOCUMENT

The invention relates to a process for protecting variable inscriptions of a document in which: a transparent film is bonded to a face of said document with a view to protecting variable inscriptions of said document, by at least one adhesive layer comprising at least one thermoplastic polymer havin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PHILIPPE ERIC, BES LAURENCE
Format:	Patent
Sprache:	fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BOOK COVERS BOOKBINDING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DYES FILES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS LOOSE LEAVES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MOVABLE-STRIP WRITING OR READING APPARATUS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a process for protecting variable inscriptions of a document in which: a transparent film is bonded to a face of said document with a view to protecting variable inscriptions of said document, by at least one adhesive layer comprising at least one thermoplastic polymer having a glass transition temperature between 40° C. and 110° C. and having a hydroxyl value between 3 mg of KOH/g and 60 mg of KOH/g and/or an acid value between 2 mg of KOH/g and 150 mg of KOH/g, said adhesive layer comprises a crosslinking agent having at least 2.8 functions selected from the group formed of isocyanates, carbodiimides, aziridines and alkoxysilanes, during the bonding, a crosslinking of said adhesive layer is carried out. The invention also relates to a protective device and to a document.