STRIPPABLE TREATING AGENT

PURPOSE:To provide the titled treating agent having excellent adhesion to hydrophilic substrates and well-balanced properties between stripping and bonding, by reacting a saponified polyvinyl acetate with a long-chain alkyl glycidyl ether. CONSTITUTION:A long-chain 16-20C alkyl glycidyl ether (e.g....

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Bibliographische Detailangaben
Hauptverfasser:	TOMOMOTO TAKANOBU, YAMAMOTO HIROSHI, SUZUKI KIHACHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the titled treating agent having excellent adhesion to hydrophilic substrates and well-balanced properties between stripping and bonding, by reacting a saponified polyvinyl acetate with a long-chain alkyl glycidyl ether. CONSTITUTION:A long-chain 16-20C alkyl glycidyl ether (e.g. octadecyl glycidyl ether) is grafted onto a saponified polyvinyl acetate having a degree of saponification of 30-90% and an average degree of polymn. of 100-3,000 by heating in an org. solvent (e.g. xylene) in the presence of an alkali (e.g. KOH) to obtain a strippable treating agent. The agent is dissolved in an org. solvent and applied to a substrate.