CN106147521A - A kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring and preparation method thereof - Google Patents

A kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring and preparation method thereof Download PDF

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Publication number
CN106147521A
CN106147521A CN201610529758.3A CN201610529758A CN106147521A CN 106147521 A CN106147521 A CN 106147521A CN 201610529758 A CN201610529758 A CN 201610529758A CN 106147521 A CN106147521 A CN 106147521A
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proof
cnt
epoxy resin
heat
moisture
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CN201610529758.3A
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陈俊
刘学涛
赵遵刚
霍柏林
李正
孙红兴
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Yan Mei Powdery Paints Co Ltd Of Hefei City
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Yan Mei Powdery Paints Co Ltd Of Hefei City
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Priority to CN201610529758.3A priority Critical patent/CN106147521A/en
Publication of CN106147521A publication Critical patent/CN106147521A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/02—Polycondensates containing more than one epoxy group per molecule
    • C08G59/04—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof
    • C08G59/06—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols
    • C08G59/063—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols with epihalohydrins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/038—Anticorrosion agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring, with bisphenol-A and epoxychloropropane as raw material, CNT is heat filling, modified epoxy is obtained by situ aggregation method, CNT is made to form the active force much larger than Van der Waals force with epoxide group, be conducive to Stress Transfer between the two, improve interface binding power between the two and the compatibility, improve coating storage stability；Add chitosan, modification helps material etc. for reinforcer simultaneously, the stretching vibration strength reduction of carbon chlorine key in composite, C, Cl atom strengthens with the adhesion of neighboring atom, improve each component dispersibility in coating, CNT and coating is promoted to be fully contacted and play the effect of extra physical crosslinking point, form heat dissipation channel, be conducive to distributing of heat, can at 150 200 DEG C life-time service, calcium silicate powder increases the antiseptic property of product, and polytetrafluorethylepowder powder increases the hydrophobicity of product.

Description

A kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring and preparation method thereof
Technical field
The present invention relates to powder coating technology field, particularly relate to a kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring And preparation method thereof.
Background technology
Along with the fast development of modern science and technology, the intensive and miniaturization of the high frequency of electronic device, high speed and integrated circuit, The overall power density and the caloric value that make unit volume electronic device increase by a wide margin, so that the cooling problem of electronic device Become increasingly to highlight.And the cooling capacity that the cooling system of routine can reach is by great challenge, especially at the energy, vapour The fields such as car, air-conditioning, agricultural, chemical industry, heating, Aero-Space, microelectronics, information, to augmentation of heat transfer, improve the skills such as radiating efficiency Art is had higher requirement.And heat radiation coating is a kind of body surface radiating efficiency that improves, reduce the extraordinary painting of system temperature Material.Powdery paints is a kind of novel without solvent 100% solid powdery coating, have high usage, easy application, corrosion-resistant, The advantages such as environmental protection, are widely applied in modern times spraying and anticorrosion field of radiating, heat-dissipation powder paint are coated in electronics device The radiating efficiency of electronic device can be significantly improved on part.
Epoxy resin is one of very important thermoset macromolecule material, has adhesion strength high, and electrical insulation capability is good, The advantages such as shrinkage factor is low, good processability, are widely used in each fields such as electronics, machinery, building.CNT has higher Thermal conductivity, therefore CNT is filled in epoxy resin as packing material and has well as a kind of heat sink material Application prospect, but due to the nano effect of CNT, the most difficult dispersion of CNT.In order to improve nanometer Carbon pipe dispersibility in the epoxy, is mostly by CNT graft modification, destroys the structure of CNT so that it is produce Raw defect, these defects are conducive to the scattering of phonon, reduce the heat conductivility of CNT.So that improve existing method Improve CNT dispersibility in the epoxy.Situ aggregation method is due to the molecular weight of monomer, and viscosity is low, is conducive to Nanoparticle in monomer polymerization process in substrate dispersion, and the knot of situ aggregation method not destroying carbon nanometer tube Structure.
" preparation of carbon nano tube/epoxy resin composite powder coatings and performance study thereof " literary grace bisphenol-A and epoxy Chloropropane is raw material, and CNT, as strengthening and heat filling, is prepared for carbon nano tube/epoxy resin by situ aggregation method Composite.Result shows: along with increasing of content of carbon nanotubes, the properties of powdery paints gradually improves.Yet with CNT bad dispersibility in composite powder coatings is easily reunited, when content of carbon nanotubes continues to increase, composite Properties is deteriorated again, and utilizes the function of composite powder coatings that the production technology in literary composition and formula prepare the most single, Product structure is single without characteristic, it is impossible to meet requirement in special environment, needs to be improved.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of moisture-proof corrosion-proof ring epoxy resin-based heat radiation powder End coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring, is prepared by the raw materials in: bisphenol-A 35-38, epoxy Chloropropane 20-22, CNT 3.2-4.1, chitosan 2.3-3.5, polytetrafluorethylepowder powder 8-10, ten trifluoro octyl group three ethoxies Base silane 2.8-3.4, tetramethylethylenediamine 4-6, Graphene 5-7, sericite in powder 9-10, Folium Artemisiae Argyi extractive liquid 6-8, Lignum Santali Albi 14-16, Rosin glyceride emulsion 9-11,325-400 mesh microporous calcium silicate 3-5, pigment 8-9.
The manufacture method of described a kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring, comprises the following steps:
(1) dried by Lignum Santali Albi, attrition grinding crosses 200 mesh sieves, adds rosin glyceride emulsion stirring and evenly mixing and stands 12-14 hour, Pelletize, obtains premix material in 20-30 minute in 800-1000 DEG C of sintering under nitrogen protection；
(2) being calcined 2-3 hour at 710-800 DEG C by sericite in powder, discharging is cooled to 60 DEG C-80 DEG C, sprays vaporific Folium Artemisiae Argyi and carries Taking liquid keeps temperature to stir 3-5 hour, dries, and addition tridecafluoro-n-octyltriethoxysilane, 325-400 mesh microporous calcium silicate surpass Sound disperses 20-30 minute, adds step (1) premix material, the abundant ball milling of Graphene, pelletize, and particle diameter is 2-4 μm, obtains and modified helps material；
(3) bisphenol-A is put in the sodium hydroxide solution of 10% and be heated to 60 DEG C of stirring and evenly mixings, be cooled to 55 DEG C and add carbon nanometer Pipe ultrasonic disperse 30 minutes, is warming up to 80 DEG C and adds epoxychloropropane holding temperature ultrasonic disperse 4 hours, by cold water and 80 DEG C of heat Water is alternately and repeatedly washed till neutrality, and 50 DEG C of oven drying at low temperatures obtain modified epoxy；
(4) modified epoxy, chitosan and other residual componentss that step (3) prepares are put into stirring in high-speed mixer mixed Even, melt extrude through double screw extruder, cool down pulverizing, cross 250-300 mesh sieve, discharging.
The invention have the advantage that the present invention with bisphenol-A and epoxychloropropane as raw material, CNT is heat filling, logical Cross situ aggregation method and obtain modified epoxy, make CNT form the active force much larger than Van der Waals force with epoxide group, Be conducive to Stress Transfer between the two, improve interface binding power between the two and the compatibility, improve coating storage steady Qualitative；Add chitosan simultaneously, modification help material etc. for reinforcer, the stretching vibration strength reduction of carbon chlorine key in composite, C, Cl atom strengthens with the adhesion of neighboring atom, improves each component dispersibility in coating, promotes CNT and painting Material is fully contacted and plays the effect of extra physical crosslinking point, forms distributing of heat dissipation channel, beneficially heat, Ke Yi Life-time service at 150-200 DEG C, calcium silicate powder increases the antiseptic property of product, and polytetrafluorethylepowder powder increases the hydrophobic of product Property, prepared coating has moisture-proof anti-corrosive properties, can be applicable in wet environment.
Detailed description of the invention
A kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring, is prepared by the raw materials in: bisphenol-A 35, ring Oxygen chloropropane 20, CNT 3.2, chitosan 2.3, polytetrafluorethylepowder powder 8, tridecafluoro-n-octyltriethoxysilane 2.8, four Methyl ethylenediamine 4, Graphene 5, sericite in powder 9, Folium Artemisiae Argyi extractive liquid 6, Lignum Santali Albi 14, rosin glyceride emulsion 9,325-400 mesh are micro- Hole calcium silicates 3, pigment 8.
The manufacture method of described a kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring, comprises the following steps:
(1) dried by Lignum Santali Albi, attrition grinding crosses 200 mesh sieves, adds rosin glyceride emulsion stirring and evenly mixing and stands 12-14 hour, Pelletize, obtains premix material in 20-30 minute in 800-1000 DEG C of sintering under nitrogen protection；
(2) being calcined 2-3 hour at 710-800 DEG C by sericite in powder, discharging is cooled to 60 DEG C-80 DEG C, sprays vaporific Folium Artemisiae Argyi and carries Taking liquid keeps temperature to stir 3-5 hour, dries, and addition tridecafluoro-n-octyltriethoxysilane, 325-400 mesh microporous calcium silicate surpass Sound disperses 20-30 minute, adds step (1) premix material, the abundant ball milling of Graphene, pelletize, and particle diameter is 2-4 μm, obtains and modified helps material；
(3) bisphenol-A is put in the sodium hydroxide solution of 10% and be heated to 60 DEG C of stirring and evenly mixings, be cooled to 55 DEG C and add carbon nanometer Pipe ultrasonic disperse 30 minutes, is warming up to 80 DEG C and adds epoxychloropropane holding temperature ultrasonic disperse 4 hours, by cold water and 80 DEG C of heat Water is alternately and repeatedly washed till neutrality, and 50 DEG C of oven drying at low temperatures obtain modified epoxy；
(4) modified epoxy, chitosan and other residual componentss that step (3) prepares are put into stirring in high-speed mixer mixed Even, melt extrude through double screw extruder, cool down pulverizing, cross 250-300 mesh sieve, discharging.
The storage stability utilizing the heat-dissipation powder paint that the present invention prepares improves 1 times than pure epoxy resin；Anti-impact The ability of hitting is 36.5kg cm；Adhesive force and resistance to Neutral Salt Spray Corrosion grade are 2 grades；Thermal conductivity is 0.661W/mK.

Claims (2)

1. the epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring, it is characterised in that be prepared by the raw materials in: double Phenol A35-38, epoxychloropropane 20-22, CNT 3.2-4.1, chitosan 2.3-3.5, polytetrafluorethylepowder powder 8-10, ten Trifluoro octyltri-ethoxysilane 2.8-3.4, tetramethylethylenediamine 4-6, Graphene 5-7, sericite in powder 9-10, Folium Artemisiae Argyi extractive liquid 6-8, Lignum Santali Albi 14-16, rosin glyceride emulsion 9-11,325-400 mesh microporous calcium silicate 3-5, pigment 8-9.
The manufacture method of a kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring the most according to claim 1, its feature It is to comprise the following steps:
(1) dried by Lignum Santali Albi, attrition grinding crosses 200 mesh sieves, adds rosin glyceride emulsion stirring and evenly mixing and stands 12-14 hour, Pelletize, obtains premix material in 20-30 minute in 800-1000 DEG C of sintering under nitrogen protection；
(2) being calcined 2-3 hour at 710-800 DEG C by sericite in powder, discharging is cooled to 60 DEG C-80 DEG C, sprays vaporific Folium Artemisiae Argyi and carries Taking liquid keeps temperature to stir 3-5 hour, dries, and addition tridecafluoro-n-octyltriethoxysilane, 325-400 mesh microporous calcium silicate surpass Sound disperses 20-30 minute, adds step (1) premix material, the abundant ball milling of Graphene, pelletize, and particle diameter is 2-4 μm, obtains and modified helps material；
(3) bisphenol-A is put in the sodium hydroxide solution of 10% and be heated to 60 DEG C of stirring and evenly mixings, be cooled to 55 DEG C and add carbon nanometer Pipe ultrasonic disperse 30 minutes, is warming up to 80 DEG C and adds epoxychloropropane holding temperature ultrasonic disperse 4 hours, by cold water and 80 DEG C of heat Water is alternately and repeatedly washed till neutrality, and 50 DEG C of oven drying at low temperatures obtain modified epoxy；
(4) modified epoxy, chitosan and other residual componentss that step (3) prepares are put into stirring in high-speed mixer mixed Even, melt extrude through double screw extruder, cool down pulverizing, cross 250-300 mesh sieve, discharging.
CN201610529758.3A 2016-07-07 2016-07-07 A kind of epoxy resin-based heat-dissipation powder paint of moisture-proof corrosion-proof ring and preparation method thereof Withdrawn CN106147521A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107474698A (en) * 2017-09-19 2017-12-15 江南载福粉末涂料（张家港）有限公司 Anticorrosion heat-dissipation powder paint and preparation method thereof
CN108929624A (en) * 2018-06-28 2018-12-04 江苏华光新材料科技有限公司 Heat conduction and heat radiation powdery paints and preparation method thereof
EP3492533A1 (en) * 2017-12-04 2019-06-05 Hamilton Sundstrand Corporation Increasing anti-corrosion through nanocomposite materials
CN116410626A (en) * 2021-12-29 2023-07-11 山东东岳未来氢能材料股份有限公司 Antistatic agent for ETFE powder coating and antistatic ETFE powder coating

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105585934A (en) * 2014-10-29 2016-05-18 西安优信机电工程有限公司 Preparation method of carbon-nano-tube-filled epoxy resin composite powdery coating

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN105585934A (en) * 2014-10-29 2016-05-18 西安优信机电工程有限公司 Preparation method of carbon-nano-tube-filled epoxy resin composite powdery coating

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袭肖光等: "碳纳米管/环氧树脂复合粉末涂料的制备及其性能研究", 《浙江理工大学学报》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107474698A (en) * 2017-09-19 2017-12-15 江南载福粉末涂料（张家港）有限公司 Anticorrosion heat-dissipation powder paint and preparation method thereof
EP3492533A1 (en) * 2017-12-04 2019-06-05 Hamilton Sundstrand Corporation Increasing anti-corrosion through nanocomposite materials
US11214692B2 (en) 2017-12-04 2022-01-04 Hamilton Sundstrand Corporation Increasing anti-corrosion through nanocomposite materials
CN108929624A (en) * 2018-06-28 2018-12-04 江苏华光新材料科技有限公司 Heat conduction and heat radiation powdery paints and preparation method thereof
CN116410626A (en) * 2021-12-29 2023-07-11 山东东岳未来氢能材料股份有限公司 Antistatic agent for ETFE powder coating and antistatic ETFE powder coating
CN116410626B (en) * 2021-12-29 2024-06-11 山东东岳未来氢能材料股份有限公司 Antistatic agent for ETFE powder coating and antistatic ETFE powder coating

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Application publication date: 20161123