PROSES PENINGKATAN TAHANAN HIDROLISIS DARI PEREKAT DISPERSI POLIURETANA DAN RAKITAN-RAKITAN TERIKAT YANG DIHASILKAN DARI PROSES TERSEBUT

A method of bonding two substrates at least one of which is a rubbery polymeric material having carbon-carbon double bonds on the polymer backbone, the method comprising:a) applying an aqueous polyurethane dispersion adhesive composition to at least one of the substrates, the adhesive compostion fur...

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Bibliographische Detailangaben
Hauptverfasser:	ROBERT J. DUFF, YUDUO ZHU, BRIAN L. MARTY, PETER GOTTSCHALK
Format:	Patent
Sprache:	ind
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHARACTERISTIC FEATURES OF FOOTWEAR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES FOOTWEAR HUMAN NECESSITIES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PARTS OF FOOTWEAR POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A method of bonding two substrates at least one of which is a rubbery polymeric material having carbon-carbon double bonds on the polymer backbone, the method comprising:a) applying an aqueous polyurethane dispersion adhesive composition to at least one of the substrates, the adhesive compostion further comprising an epoxy resin;b) allowing the composition to dry; and thenc) joining the substrates with heating to activate the adhesive. The substrates are suitably footwear materials such as a molded rubber outer sole which has been first primed with a chlorinating primer, and a foam midsole of a material such as a lightly crosslinked ethylene vinyl acetate. The process results in bonded assemblies having improved humidity resistance.