WINDMILL PROPELLER BLADE AND METHOD OF MAKING SAME

A windmill blade which comprises reinforcing fibers in a toughened resin matrix. The resin matrix is made from a composition which comprises (a) one or more epoxy resins and/or one or more epoxy vinyl ester resins, (b) one or more reactive diluents, and (c) at least one amphiphilic block copolymer....

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Bibliographische Detailangaben
Hauptverfasser:	TURAKHIA, RAJESH, DETTLOFF, MARVIN L, HUNTER, GARY A, PHAM, HA Q, JACOB, GEORGE C
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING METALLURGY OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ORGANIC MACROMOLECULAR COMPOUNDS PRODUCING MECHANICAL POWER THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS WORKING-UP
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Beschreibung
Zusammenfassung:	A windmill blade which comprises reinforcing fibers in a toughened resin matrix. The resin matrix is made from a composition which comprises (a) one or more epoxy resins and/or one or more epoxy vinyl ester resins, (b) one or more reactive diluents, and (c) at least one amphiphilic block copolymer. The amphiphilic block copolymer comprises at least two different polyether blocks and is present in the composition in an amount of from about 0.5 % to about 10 % by volume, based on the total volume of the matrix composition.