Toughened Cyanoacrylate compositions

A thermoplastic polyurethane toughened cyanoacrylate composition comprises [i] a cyanoacrylate, such as ethyl 2-cyanoacrylate or beta-methoxycyanoacrylate and [ii] 1-40 wt% thermoplastic polyurethane (TPU). Also disclosed is a method of preparing the thermoplastic polyurethane toughened cyanoacrylat...

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Bibliographische Detailangaben
Hauptverfasser:	Rory Barnes, Raymond P Tully, Barry N Burns
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON 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
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Beschreibung
Zusammenfassung:	A thermoplastic polyurethane toughened cyanoacrylate composition comprises [i] a cyanoacrylate, such as ethyl 2-cyanoacrylate or beta-methoxycyanoacrylate and [ii] 1-40 wt% thermoplastic polyurethane (TPU). Also disclosed is a method of preparing the thermoplastic polyurethane toughened cyanoacrylate. The thermoplastic polyurethane toughened cyanoacrylate composition exhibit long term viscosity stability when stored for prolonged periods at room temperature (25oC).