AQUEOUS ADHESIVE FOR POLYOLEFIN RESIN MATERIAL

PURPOSE:To provide the title adhesive which can satisfy the following various requirements for adopting a dry lamination process: (1) the dried adhesive on the surface of an adherend has wetting properties and constant initial adhesion to the adherend, (2) the initial adhesion and the wetting proper...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIKAWA SHINJI, HITOMI RYOHEI, UMIBE NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the title adhesive which can satisfy the following various requirements for adopting a dry lamination process: (1) the dried adhesive on the surface of an adherend has wetting properties and constant initial adhesion to the adherend, (2) the initial adhesion and the wetting properties can last for a given time at a specific temperature after drying, and (3) the initial tack can change into adhesiveness of excellent heat resistance within 48 hours. CONSTITUTION:To an aqueous adhesive mainly consisting of an anionic aqueous polyurethane emulsion containing a polyolefin polyol as the principal skeleton are added 0.1-5.0wt.%, based on the weight of the adhesive, at least one member selected from among prim. and sec. polyamines and their salts and 1-50wt.%, based on the weight of the adhesive, at least one member selected from among water-soluble high-boiling organic solvents which can dissolve or swell the aqueous polyurethane.