POLYURETHANE BELT WITH IMPROVED HYDROLYSIS RESISTANCE

A belt for power transmission or transport comprising a polyurethane belt body, wherein the polyurethane of the belt body is the reaction product of a urethane prepolymer and a diamine chain extender, and the urethane prepolymer is based on a polyether and a linear aliphatic diisocyanate. The belt h...

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Bibliographische Detailangaben
Hauptverfasser:	BUTORIN, Gregory, DUKE, JR, WU, William W.L
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVINGPURPOSES BLASTING CHAINS ENGINEERING ELEMENTS AND UNITS FITTINGS PREDOMINANTLY USED THEREFOR GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A belt for power transmission or transport comprising a polyurethane belt body, wherein the polyurethane of the belt body is the reaction product of a urethane prepolymer and a diamine chain extender, and the urethane prepolymer is based on a polyether and a linear aliphatic diisocyanate. The belt has excellent hydrolysis resistance. L'invention concerne une courroie pour la transmission d'énergie ou le transport comprenant un corps de courroie en polyuréthane, le polyuréthane du corps de courroie étant le produit de réaction d'un prépolymère d'uréthane et d'un allongeur de chaîne de diamine, et le prépolymère d'uréthane étant à base d'un polyéther et d'un diisocyanate aliphatique linéaire. La courroie présente une excellente résistance à l'hydrolyse.