ADHESIVE CONTAINING ANTICORROSIVE PIGMENTS, FOR THE PRODUCTION OF DVDS

The invention relates to a hot-melt adhesive for producing digital versatile disks (DVD), said adhesive containing between 2 and 15 wt. % of base-modified pigments which are specifically selected from the group of titanium dioxide, silicon dioxide, aluminium oxide, barium sulfate, and zinc sulfate....

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Hauptverfasser: RUDIGER BUTTERBACH, DIRK BONKE, SIEGFRIED KOPANNIA
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creator RUDIGER BUTTERBACH
DIRK BONKE
SIEGFRIED KOPANNIA
description The invention relates to a hot-melt adhesive for producing digital versatile disks (DVD), said adhesive containing between 2 and 15 wt. % of base-modified pigments which are specifically selected from the group of titanium dioxide, silicon dioxide, aluminium oxide, barium sulfate, and zinc sulfate. Said pigments are treated on the surface by means of specific metallic salts and have an anti-corrosive effect, in addition to their white colouring. Said hot-melt adhesives are used in the production of DVDs, for the adherence of individual disk blanks in order to form a complete DVD, and provide the reflecting layer with improved protection against corrosion, thus increasing the service life of the DVD.
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subjects ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DYES
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PHYSICS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF MATERIALS AS ADHESIVES
title ADHESIVE CONTAINING ANTICORROSIVE PIGMENTS, FOR THE PRODUCTION OF DVDS
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