High-elongation ductile composite material surface film and preparing method thereof

The invention discloses a high-elongation ductile composite material surface film and a preparing method thereof and relates to a composite material surface film and a preparing method thereof to solve the problems that according to a high-flexibility composite material used in aerospace, surface qu...

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Bibliographische Detailangaben
Hauptverfasser:	WANG LEI, ZHANG XUGANG, XUE GANG, SONG CAIYU, MEI GE, ZHANG BIN, ZHAO MING, ZHANG XUE, LIU CAIZHAO, SUN MINGMING, LI JIANHUI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The invention discloses a high-elongation ductile composite material surface film and a preparing method thereof and relates to a composite material surface film and a preparing method thereof to solve the problems that according to a high-flexibility composite material used in aerospace, surface quality is poor, the surface of a base material is not uniform or flat and is porous, and high surface quality can not be maintained under serious deformation. The high-elongation ductile composite material surface film is prepared from, by weight, 140-180 parts of dimer acid acrylic ester segmented copolymer modified epoxy resin, 10-30 parts of epoxy resin, 5-6 parts of dicyandiamide, 3-5 parts of curing agent, 10-20 parts of light calcium carbonate and 5-10 parts of fumed silica A380. The preparing method comprises the steps of weighing, preparing mixed resin, mixing and pressing.