CN105482632A - Powder coating with good heat conduction for pump valve - Google Patents

Powder coating with good heat conduction for pump valve Download PDF

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Publication number
CN105482632A
CN105482632A CN201510977172.9A CN201510977172A CN105482632A CN 105482632 A CN105482632 A CN 105482632A CN 201510977172 A CN201510977172 A CN 201510977172A CN 105482632 A CN105482632 A CN 105482632A
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China
Prior art keywords
parts
powder coating
solution
mixing
pump valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510977172.9A
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Chinese (zh)
Inventor
孔华英
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TONGLING SIDE TECHNOLOGY Co Ltd
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TONGLING SIDE TECHNOLOGY Co Ltd
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Priority to CN201510977172.9A priority Critical patent/CN105482632A/en
Publication of CN105482632A publication Critical patent/CN105482632A/en
Pending legal-status Critical Current

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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
    • 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
    • C09D5/08—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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant 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
    • 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
    • C09D7/63—Additives non-macromolecular organic
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses powder coating with good heat conduction for a pump valve, which is prepared from the following raw materials in parts by weight: 0.5-0.6 part of diphenyl silanediol, 1-2 parts of tributyl phosphate, 6-7 parts of vitrified calcium, 12-15 parts of sericite, 0.2-0.3 part of triethylhexyl phosphoric acid, 5-7 parts of aluminum oxide, 2-3 parts of butyral resin, 10-14 parts of acrylic acid, 4-5 parts of dicyandiamide curing agent, 3-4 parts of magnesium oxide, 90-100 parts of bisphenol F epoxy resin, 6-8 parts of phenolic resin, 0.1-0.2 part of rare earth chloride, 15-18 parts of chitosan and 4-5 parts of polyvinyl alcohol. The powder coating is good in water resistance, heat resistance, weather resistance, and excellent in acid-base corrosion resistance and heat conduction, used for pump valve coating, good in comprehensive performance and long in service life.

Description

The powder coating that a kind of pump valve thermal conductivity is good
Technical field
The present invention relates to powder coating technology field, particularly relate to the powder coating that a kind of pump valve thermal conductivity is good.
Background technology
Powder coating has solvent-free property, non-environmental-pollution, Powder Recovery and utilization ratio high, is utilized widely.Powder coating can be divided into the large class of thermoplasticity, thermoset two.Thermoplastic powder coating is using thermoplastic resin as filmogen, its feature is that synthetic resins raises and deliquescing with temperature, and after cooling, become hard, this process can be carried out repeatedly repeatedly, often changing once will be progressively aging, finally becomes the powder of non-plastic.Thermosetting powder coating(s) is using thermoset synthetic resin as filmogen.Its feature is with some prepolymer resin compared with low polymerization degree, in the presence of a curing agent through the baking-curing of certain temperature, and becomes and can not dissolve or the scleroid final product of melting.When temperature is when raising, product can only decompose and can not soften again, belongs to chemical transformation.Because molecular resin amount is low, so have good levelling property, wettability, firmly can adhere to surface of workpiece, and have ornamental and non-corrosibility preferably after solidification.But be that to be used as decorative coating in the majority all the time at China's powder coating.
The patent No. is point out along with the demand of various countries to the energy is increasing in CN201510396989.7 " a kind of new type low temperature cured epoxy powder coating " patent, reduce energy consumption, protection of the environment becomes the main body of enterprise development, exploitation cold curing paint is that the universal powder coating solidification temperature of solution is higher, narrow application range, the important method that energy consumption is large, it utilizes bisphenol A type epoxy resin and the good compatible feature of modified crosslinking agent, coating is made to have excellent sticking power, shock-resistant, the advantages such as wet-heat resisting, filler adopts process white and active micro silicon powder to make coating have good acid resistance and alkali resistance, but the powder coating inventing preparation thus can not meet corrosion, antibacterial and protection field demand.The present invention has low solidification value by the powder coating that rational formulating of recipe obtains, expand application prospect, and study on the modification is carried out to resin matrix, the corrosion-resistant, weather-proof, antibacterial of powder coating and physical strength etc. are improved, meet the requirement for decoration and protection field each side on market.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides the powder coating that a kind of pump valve thermal conductivity is good.
The present invention is achieved by the following technical solutions:
The powder coating that pump valve thermal conductivity is good, is made up of the raw material of following weight part: Diphenylsilanediol 0.5-0.6, tributyl phosphate 1-2, porcelain calcium 6-7, sericite 12-15, triethyl hexyl phosphoric acid 0.2-0.3, aluminum oxide 5-7, polyvinyl butyral acetal 2-3, vinylformic acid 10-14, dicy-curing agent 4-5, magnesium oxide 3-4, bisphenol f type epoxy resin 90-100, resol 6-8, rare earth chloride 0.1-0.2, chitosan 15-18, polyvinyl alcohol 4-5.
The powder coating that described a kind of pump valve thermal conductivity is good, be made up of following concrete steps:
(1) by aluminum oxide and magnesium oxide mixing and stirring, be then added in vinylformic acid, stir with the rotating speed of 800-1000r/min, its ultrasonic disperse is evenly rear for subsequent use;
(2) porcelain calcium and sericite being added to step (1) prepares in dispersion liquid, adds triethyl hexyl phosphoric acid and continues ultrasonic disperse 20-30min, for subsequent use after then drying;
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6-10% chitosan solution that magnetic agitation evenly makes concentration, polyvinyl alcohol water dissolution being made concentration is 8-10% solution, be heated to 80-85 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, add product ultrasonic disperse prepared by step (2) more even, standing and defoaming obtains spinning solution;
(4) by resol and rare earth chloride mixing, heated and stirred reaction 10-15min, when temperature of reaction is at 80-85 DEG C, constant temperature keeps 10-15min, then boiling is heated to, under boiling state, keep 3-4h, naturally cool to room temperature, then make with the alcohol dilution of 75% novolac solution that concentration is 10-12%, be added to mixing and stirring in product prepared by step (3) again, obtain conjugated fibre through electrostatic spinning process for subsequent use;
(5) product bisphenol f type epoxy resin, dicy-curing agent and step (4) prepared drops in high mixer and stirs, by all the other surplus stock mixing flour to 100 orders, continue to drop in high speed machine and stir, finally by mixing material after 70-80 DEG C of preheating melting mixing 20-30min, be cooled to room temperature, be ground into the powder that particle diameter is 20-35 μm again, finally carry out metering packing, discharging.
Advantage of the present invention is: the present invention utilizes rare earth chloride volatile de-electronation reactive behavior high, generates extremely strong chemical bond, make it heat-resisting with reactive modified phenolic resin, the performances such as wear-resisting and erosion resistance are improved, and utilize chitosan itself nontoxic, the features such as broad-spectrum antimicrobial and modified phenolic resins, filler is blended prepares conjugated fibre, utilizes conjugated fibre and substrate ring epoxy resins generation copolymerzation with cross-linking to react, adds the cross-linking density of system, improve film media-resistant penetrating power, its water-intake rate is reduced, and resistance to cracking is improved, and also improves the corrosion-resistant of powder coating simultaneously, the performances such as antibacterial and toughness, improve the shortcoming that the easy crisp period of storage easy to crack of epoxy resin itself is not grown, the aluminum oxide of interpolation, magnesium oxide, porcelain calcium and sericite etc. significantly improve the heat conduction of coating, fire-resistant, fire-retardant, the performance of the aspect such as wear-resisting and corrosion-resistant, its water tolerance of powder coating prepared by the present invention, good heat resistance, weathering resistance, acid-alkali-corrosive-resisting and excellent thermal conductivity, be used as pump valve application, good combination property, long service life.
Embodiment
The powder coating that pump valve thermal conductivity is good, is made up of the raw material of following weight part (kilogram): Diphenylsilanediol 0.5, tributyl phosphate 1, porcelain calcium 6, sericite 12, triethyl hexyl phosphoric acid 0.2, aluminum oxide 5, polyvinyl butyral acetal 2, vinylformic acid 10, dicy-curing agent 4, magnesium oxide 3, bisphenol f type epoxy resin 90, resol 6, rare earth chloride 0.1, chitosan 15, polyvinyl alcohol 4.
The powder coating that described a kind of pump valve thermal conductivity is good, be made up of following concrete steps:
(1) by aluminum oxide and magnesium oxide mixing and stirring, be then added in vinylformic acid, stir with the rotating speed of 800r/min, its ultrasonic disperse is evenly rear for subsequent use;
(2) porcelain calcium and sericite being added to step (1) prepares in dispersion liquid, adds triethyl hexyl phosphoric acid and continues ultrasonic disperse 20min, for subsequent use after then drying;
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6% chitosan solution that magnetic agitation evenly makes concentration, polyvinyl alcohol water dissolution being made concentration is 8% solution, be heated to 80 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, add product ultrasonic disperse prepared by step (2) more even, standing and defoaming obtains spinning solution;
(4) by resol and rare earth chloride mixing, heated and stirred reaction 10min, when temperature of reaction is at 80 DEG C, constant temperature keeps 10min, then boiling is heated to, under boiling state, keep 3h, naturally cool to room temperature, then make with the alcohol dilution of 75% novolac solution that concentration is 10%, be added to mixing and stirring in product prepared by step (3) again, obtain conjugated fibre through electrostatic spinning process for subsequent use;
(5) product bisphenol f type epoxy resin, dicy-curing agent and step (4) prepared drops in high mixer and stirs, by all the other surplus stock mixing flour to 100 orders, continue to drop in high speed machine and stir, finally by mixing material after 70 DEG C of preheating melting mixing 20min, be cooled to room temperature, be ground into the powder that particle diameter is 20 μm again, finally carry out metering packing, discharging.
After the powder coating solidification using the present invention to prepare, film performance is as follows:
Paint film appearance flat smooth, surface tinted is consistent, without particle, pin hole, bubble, wrinkle; Sticking power reaches 1 grade; Salt-fog resistant test: 2000 hours without exception; Water-intake rate (5 days, 90 DEG C): 4.2%; Shock resistance is greater than 50cm; Flexural strength: 5mm.

Claims (2)

1. the powder coating that a pump valve thermal conductivity is good, it is characterized in that, be made up of the raw material of following weight part: Diphenylsilanediol 0.5-0.6, tributyl phosphate 1-2, porcelain calcium 6-7, sericite 12-15, triethyl hexyl phosphoric acid 0.2-0.3, aluminum oxide 5-7, polyvinyl butyral acetal 2-3, vinylformic acid 10-14, dicy-curing agent 4-5, magnesium oxide 3-4, bisphenol f type epoxy resin 90-100, resol 6-8, rare earth chloride 0.1-0.2, chitosan 15-18, polyvinyl alcohol 4-5.
2. the powder coating that a kind of pump valve thermal conductivity is good according to claim 1, is characterized in that, is made up of following concrete steps:
(1) by aluminum oxide and magnesium oxide mixing and stirring, be then added in vinylformic acid, stir with the rotating speed of 800-1000r/min, its ultrasonic disperse is evenly rear for subsequent use;
(2) porcelain calcium and sericite being added to step (1) prepares in dispersion liquid, adds triethyl hexyl phosphoric acid and continues ultrasonic disperse 20-30min, for subsequent use after then drying;
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6-10% chitosan solution that magnetic agitation evenly makes concentration, polyvinyl alcohol water dissolution being made concentration is 8-10% solution, be heated to 80-85 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, add product ultrasonic disperse prepared by step (2) more even, standing and defoaming obtains spinning solution;
(4) by resol and rare earth chloride mixing, heated and stirred reaction 10-15min, when temperature of reaction is at 80-85 DEG C, constant temperature keeps 10-15min, then boiling is heated to, under boiling state, keep 3-4h, naturally cool to room temperature, then make with the alcohol dilution of 75% novolac solution that concentration is 10-12%, be added to mixing and stirring in product prepared by step (3) again, obtain conjugated fibre through electrostatic spinning process for subsequent use;
(5) product bisphenol f type epoxy resin, dicy-curing agent and step (4) prepared drops in high mixer and stirs, by all the other surplus stock mixing flour to 100 orders, continue to drop in high speed machine and stir, finally by mixing material after 70-80 DEG C of preheating melting mixing 20-30min, be cooled to room temperature, be ground into the powder that particle diameter is 20-35 μm again, finally carry out metering packing, discharging.
CN201510977172.9A 2015-12-23 2015-12-23 Powder coating with good heat conduction for pump valve Pending CN105482632A (en)

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Application Number Priority Date Filing Date Title
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CN105482632A true CN105482632A (en) 2016-04-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678384A (en) * 2016-12-20 2017-05-17 铜陵市经纬流体科技有限公司 Alkali-resistance fast opening and closing gate valve plate
CN106835495A (en) * 2016-12-22 2017-06-13 马鞍山市鑫程纳米新材料科技有限公司 One kind has high performance non-woven fabrics

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104087125A (en) * 2014-07-28 2014-10-08 南京航空航天大学 Ocean epoxy zinc-rich anti-corrosion powder coating and preparation method thereof
CN104530919A (en) * 2014-11-14 2015-04-22 南京航空航天大学 Epoxy powder primer used for anticorrosion paint for outer walls of deep sea oil transportation steel pipes and preparing method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104087125A (en) * 2014-07-28 2014-10-08 南京航空航天大学 Ocean epoxy zinc-rich anti-corrosion powder coating and preparation method thereof
CN104530919A (en) * 2014-11-14 2015-04-22 南京航空航天大学 Epoxy powder primer used for anticorrosion paint for outer walls of deep sea oil transportation steel pipes and preparing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678384A (en) * 2016-12-20 2017-05-17 铜陵市经纬流体科技有限公司 Alkali-resistance fast opening and closing gate valve plate
CN106835495A (en) * 2016-12-22 2017-06-13 马鞍山市鑫程纳米新材料科技有限公司 One kind has high performance non-woven fabrics

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Application publication date: 20160413