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Epoxy resin-based wear-resistant anticorrosive material

An epoxy resin matrix, epoxy resin technology, used in epoxy resin coatings, anti-corrosion coatings, coatings and other directions, can solve the problems of coating peeling, cracks, no mention of friction performance, etc., to improve wear resistance and corrosion resistance. performance, excellent wear-resistant and anti-corrosion properties, the effect of prolonging the service life

Active Publication Date: 2012-06-20
东莞市亮舍建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent 200510019468.6 provides a water-based epoxy resin coating, in which calcium carbonate, kaolin, talcum powder, barium sulfate, etc. are selected as fillers, and the bending performance, impact resistance, water resistance and weather resistance of the coating are investigated. In this patent The friction and wear properties of the coating were not investigated in
Chinese patents 200920281466.8 and 200920029932.3 use epoxy resin and urea-aldehyde resin as the coating respectively without other inorganic fillers. The toughening effect of this coating may not be ideal, and the result will cause the coating to produce Cracks that allow the coating to peel off
Kang Wentao and others prepared attapulgite / epoxy resin composites in the article "Research on Dispersion and Mechanical Properties of Epoxy Resin / Attapulgite Composite Materials, "China Plastics", 2002(16)10: 29-33" , the paper only studied the dispersion and mechanical properties of attapulgite in epoxy resin, and also did not mention any research on friction properties

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0032] Preparation of palygorskite-alumina inorganic composite filler: The purified palygorskite clay and alumina were mixed at a mass ratio of 5:1, added to distilled water, ultrasonically dispersed for 10 min, filtered, and dried. The dried mixture was placed in a tube furnace, calcined at 100°C for 10 h under a nitrogen atmosphere, and ground to obtain the nano-palygorskite-alumina inorganic composite filler.

[0033] Preparation of epoxy resin-based wear-resistant and anti-corrosion coating: Weigh 5.0g of epoxy resin into a three-necked flask, heat up to 70°C, add a mixed diluent (xylene: n-butanol (volume ratio) = 1:2) 0.25 g, toughening agent DBP (dibutyl phthalate) 0.025 g, nano-palygorskite-alumina composite filler 0.05 g, stirred for 20 min, then ultrasonically dispersed for 20 min, then stirred for 40 min ; Then add 0.005 g of defoamer EFKA-2721 (2-ethyl ethyl acrylate), stir for 10 min in the open system, then vacuumize, continue stirring and add 0.80g of curing age...

Embodiment 2

[0036] Preparation of palygorskite-alumina inorganic composite filler: The purified palygorskite clay and alumina were mixed at a mass ratio of 4:1, added to distilled water, ultrasonically dispersed for 30 min, filtered, and dried. The dried mixture was placed in a tube furnace, calcined at 350°C for 5 hours under a nitrogen atmosphere, and ground to obtain the nano-palygorskite-alumina inorganic composite filler.

[0037] Preparation of epoxy resin-based wear-resistant and anti-corrosion coating: Weigh 5.0g of epoxy resin into a three-necked flask, heat up to 50°C, add diluent (chloroform: n-butanol (volume ratio) = 1:2) 0.50 g, toughening agent DOP (dioctyl phthalate) 0.15 g, nano-palygorskite-alumina composite filler 0.3 g, stirred for 20 min, then ultrasonically dispersed for 20 min, then stirred for 40 min ; Add 0.02 g of defoamer (EFKA-2035 (diisobutyl ketone)), stir for 10 minutes in the open system, then vacuumize, continue stirring and add 0.50 g of curing agent (T-3...

Embodiment 3

[0040] Preparation of palygorskite-alumina inorganic composite filler: The purified palygorskite clay and alumina were mixed at a mass ratio of 3:1, added to distilled water, ultrasonically dispersed for 30 min, filtered, and dried. The dried mixture was placed in a tube furnace, calcined at 250°C for 7 hours under a nitrogen atmosphere, and ground to obtain the nano-palygorskite-alumina inorganic composite filler.

[0041] Preparation of epoxy resin-based wear-resistant and anti-corrosion coating: Weigh 5.0g of epoxy resin into a three-necked flask, heat up to 60°C, add diluent (669 (ethylene glycol diglycidyl ether)) 0.4 g, toughening agent DBP (butyl phthalate) 0.04 g, nano palygorskite-alumina composite filler 0.1 g, stirred for 20 min, then ultrasonically dispersed for 20 min, then stirred for 40 min; then added defoamer (EFKA-2035 (diisobutyl ketone)) 0.03 g, stir in the open system for 10 minutes, then vacuumize, continue to stir and add 1.0 g of curing agent (T-31), co...

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Abstract

The invention provides an epoxy resin-based wear-resistant anticorrosive material which is prepared by an ultrasonic dispersion and mechanical blending technology by taking epoxy resin as a matrix and nano palygorskite-alumina as filler, belonging to the technical field of composite materials. The epoxy resin-based wear-resistant anticorrosive material provided by the invention has excellent wear resistance and corrosion resistance and good adhesion, and thus can be used as a composite coating to be applied to the material surface of a mechanical part so as to improve the wear resistance and corrosion resistance of the mechanical part and prolong the service life of the metal part.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and relates to a composite wear-resistant and anti-corrosion material, in particular to an epoxy resin-based wear-resistant and anti-corrosion material. Background technique [0002] At present, wear-resistant coatings undertake the functions of anti-wear and lubrication in many fields, such as the lubrication of high-temperature engines and cylinders in the aerospace field; application on machine tools can improve the accuracy and service life of machine tools; Improve the running speed of the locomotive and prolong the service life; the excellent performance of the coating in terms of fluid erosion and wear can also be applied to the surface of hydraulic machinery components such as mud pumps, mineral processing parts and turbine blades; it can also be used as car glass and architectural glass, etc. Protective coating for transparent decoration; in addition, it can be applied to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/08
Inventor 张哲许剑张惠怡武战翠王忠超马国富雷自强
Owner 东莞市亮舍建材有限公司
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