CN108264821A - Strong epoxy powder coating of a kind of weatherability and preparation method thereof - Google Patents
Strong epoxy powder coating of a kind of weatherability and preparation method thereof Download PDFInfo
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- CN108264821A CN108264821A CN201810107386.4A CN201810107386A CN108264821A CN 108264821 A CN108264821 A CN 108264821A CN 201810107386 A CN201810107386 A CN 201810107386A CN 108264821 A CN108264821 A CN 108264821A
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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
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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- 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
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- 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
Abstract
The present invention relates to epoxy powder coating technical fields, more particularly to strong epoxy powder coating of a kind of weatherability and preparation method thereof, it is made of epoxy resin, curing agent, hydroxy silicon oil, silane coupling agent, salicylic acid, aqueous acetone solution, Kynoar, polyvinyl fluoride or polytetrafluoroethylene (PTFE), ABS resin monomer composition, initiator, water, inorganic mineral filler, levelling agent and ultraviolet absorber.Epoxy resin and hydroxy silicon oil, silane coupling agent are mixed to form modifying epoxy resin by organosilicon, the mixture with Kynoar, polyvinyl fluoride or polytetrafluoroethylene (PTFE), ABS resin monomer composition mixes afterwards, and extrusion molding obtains epoxy powder coating.Epoxy resin is participated in silicone resin system, and passes through the high molecular polymerization structure that Kynoar etc. is formed with ABS resin composition and is further modified, it is wet-heat resisting, corrosion-resistant, weatherability is strong, satisfactory mechanical property, and easily manufactured, it is concise in technology, safe and non-toxic.
Description
Technical field
The present invention relates to epoxy powder coating technical fields, and in particular to a kind of strong epoxy powder of weatherability
Coating and preparation method thereof.
Background technology
Powdery paints refers to not solvent-laden 100% solid powdery coating, exists with the state of attritive powder, mainly by
Film-forming resin, auxiliary agent, pigment, filler etc. mix, crush, are sieved, powder coating and their application apply man-hour requirement electrostatic spraying and
Baking film forming, have it is solvent-free, pollution-free, recyclable, environmentally friendly, save the energy and resource, reduce labor intensity and coating machinery
The features such as intensity is high.Powdery paints includes two major class：Thermoplastic powder coating and thermosetting powder coating, wherein thermoplastic powder
Coating includes polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide-based and cellulose-based etc., powder thermosetting
Coating includes oxygen resin system, Polyester, acrylic resin.Thermosetting powder coating compared with thermoplastic powder coating have compared with
Good mechanical performance and antiseptic property, therefore developed in recent years more rapid.
Epoxy powder coating is made of epoxy resin, curing agent, pigment, filler and other auxiliary agents.These types
Component conditions each other and influences on the contribution of powder coating performance formed, and a suitable formula is actually various
The result that component is coordinated.Due to epoxy powder coating have it is excellent with metal bonding force, it is anticorrosive property, hardness, flexible
Property and impact strength, so being the kind applied first in thermosetting powder coating.But the epoxy group quantity in epoxy resin
Few, curing crosslink density is low, and contains fragrant ehter bond, solidfied material easy chain-scission degradation after solar UV irradiates, so as to hold
It easily tarnishes, dusting disengaging, heat resistance is poor, weatherability is bad.
Chinese patent CN200810038795, patent name ultra-low temperature epoxy resin and polyester mixed powder paint, it is open
Epoxy resin with polyester mixed, and assists addition talcum powder, levelling agent, antifoaming agent, antistatic agent, styrax, pigment, increasing
The epoxy powder coating of photo etching and filler, so as to improve the utilization rate of epoxy powder coating, reduce cost, but should
The weatherability of epoxy powder coating is general.
Invention content
For epoxy powder coating weatherability it is poor the problem of, it is strong the purpose of the present invention is to provide a kind of weatherability
Epoxy powder coating has stronger wet-heat resisting, corrosion-resistant and weatherability, satisfactory mechanical property, and easily manufactured, nothing
Poison.
Another object of the present invention is to provide the preparation method of the strong epoxy powder coating of above-mentioned weatherability.
The present invention provides following technical solution：
A kind of strong epoxy powder coating of weatherability, is mainly made of the components of following parts：Epoxy resin 50~70
Part, 3~8 parts of curing agent, 5~9 parts of hydroxy silicon oil, 10~13 parts of silane coupling agent, 1~4 part of salicylic acid, aqueous acetone solution 200
0.8~1.6 part of~300 parts, 6~10 parts of inorganic mineral filler, 1~2 part of levelling agent and ultraviolet absorber.
The major ingredient of the epoxy powder coating of the present invention for epoxy resin, and add in hydroxy silicon oil, silane coupling agent and
Inorganic mineral filler, ultra-violet absorber, silane coupling agent in aqueous acetone solution through bigcatkin willow acid-catalyzed hydrolysis, and with hydroxyl silicon
Oil condensation forms crosslinked organic siliconresin, and organic siliconresin can improve the heat resistance of epoxy resin, reinforced epoxy
Toughness and glass transition temperature.It is silane coupled and with directly adding organic siliconresin under catalyst compared with modified epoxy
It is condensed between agent, hydroxy silicon oil, block polymerization is formed between silane coupling agent and epoxy resin, and hydroxy silicon oil is in itself
To contain the chain or network polymers of abundant hydroxyl, make in this way hydroxy silicon oil pass through silane coupling agent formed with epoxy resin it is more
The cross-linked network structure of dimension, epoxy resin include the performances such as heat resistance, mechanical strength and are largely increased, and weatherability is changed
It is kind.Simultaneously addition ultra-violet absorber, inorganic mineral filler further improve epoxy powder coating it is fast light, heat-resisting,
Temperature resistance and mechanical performance, the effect for the organic siliconresin that cooperative reinforcing is formed make the epoxy powder coating of the present invention have
Stronger wet-heat resisting, corrosion-resistant and weatherability, satisfactory mechanical property.Powdery paints of the invention in this way formed using epoxy resin as
Major ingredient, organic siliconresin are main reinforcing agent, and antioxidant, photomask agent, toughener and the reasonable of the further cooperative reinforcing of filler are matched
Conjunction relationship.
As a modification of the present invention, further include 24~30 parts of Kynoar, polyvinyl fluoride or polytetrafluoroethylene (PTFE),
100~200 parts of 15~22 parts of ABS resin monomer composition, 1~2 part of initiator and water.
As a modification of the present invention, in the ABS resin monomer composition in terms of mass fraction 100wt%, acrylonitrile
It is 15wt%~35wt% for 20wt%~30wt%, butadiene, remainder is styrene.
As a modification of the present invention, the epoxy powder coating is made of the components of following parts：Epoxy
It is 58 parts of resin, 4 parts of curing agent, 7 parts of hydroxy silicon oil, 12 parts of silane coupling agent, 3 parts of salicylic acid, 140 parts of aqueous acetone solution, inorganic
8 parts of mineral filler, 1.6 parts of levelling agent, 1.2 parts of ultra-violet absorber, 27 parts of Kynoar, ABS resin monomer composition 20
Part, 150 parts of 1.5 parts of initiator and water, wherein in ABS resin monomer composition in terms of mass fraction 100wt%, acrylonitrile is
25wt%, butadiene 20wt%, remainder are styrene.
As a modification of the present invention, silane coupling agent is vinyltriethoxysilane, vinyl trimethoxy silicon
Alkane or vinyl three (methoxy ethoxy) silane.
As a modification of the present invention, curing agent is diaminodiphenyl-methane, diamino diphenyl sulfone or dibenamine
Base ether.
As a modification of the present invention, the inorganic mineral filler is the combination of andalusite powder, Fluorspar Powder and talcum powder
Object, the mass ratio of three are followed successively by 1:0.6~0.8:0.2~0.3.
As a modification of the present invention, the mass concentration of acetone is 60wt%~70wt% in aqueous acetone solution.
In the epoxy powder coating of the present invention also added with Kynoar, polyvinyl fluoride or polytetrafluoroethylene (PTFE) and
ABS resin monomer composition, Kynoar, polyvinyl fluoride and polytetrafluoroethylene (PTFE) have stronger caking property, can enhance
The film forming caking property of epoxy powder coating promotes antistripping ability, and oxidative resistance is strong, and reinforced epoxy powder applies
The oxidative resistance of material.And contained fluorine and O-H, C-H and N-H key in epoxy resin powder powdery paints etc. form hydrogen bond, limit
The main chain warm-up movement of epoxy resin processed promotes heat resistance.ABS resin monomer composition includes styrene, butadiene and acrylonitrile,
With unsaturated unit structure, can be absorbed into its cross-linked structure by Kynoar, polyvinyl fluoride and polytetrafluoroethylene (PTFE), and
The cross-linked structure of ABS resin is cross-linked to form under the action of initiator, makes ABS resin and Kynoar, polyvinyl fluoride and poly- four
Vinyl fluoride is associated by intermolecular force and the mutual winding interpenetrating of cross-linked structure forms high molecular polymerization network, enhances ring
The compactness of oxygen resin promotes heat-resisting and weatherability.The ABS resin of generation has good dimensional stability, impact resistance, resistance to simultaneously
Hot, wearability can promote the integrated quality of epoxy coating.In the inorganic filler that the present invention selects simultaneously, andalusite
Powder has heat resistance, a heated swollen small, high temperature resistant of volume boron, and the fluorine in Fluorspar Powder is also when with stronger electronegativity and asphalt mixtures modified by epoxy resin
Hydrogen atom or hydroxyl in grease coating material form hydrogen bond, while have stronger heat-resisting and mechanical performance, and talcum powder has higher
Refractive index can reflect away the light of epoxy resin surface, especially ultraviolet light, and the ability for reducing ultraviolet light absorbs, and
Heat-resist, mechanical stability is strong.
The preparation method of above-mentioned epoxy powder coating, includes the following steps：
(1) sequentially added into aqueous acetone solution epoxy powder, inorganic mineral filler and 200~300r/min stirring 90~
120min, then adding in hydroxy silicon oil, salicylic acid and silane coupling agent must continue to be stirred to component A；
(2) Kynoar, ABS resin monomer composition are sequentially added into water, 500~600r/min is lasting at 30~50 DEG C
180~300min is stirred, temperature is then increased to 90~100 DEG C and adds in initiator and persistently stir 120~240min and obtain group
Part B；
(3) component B is stirred and added in component A, added ultra-violet absorber, levelling agent and curing agent and be mixed to get C components；
(4) by 90~110 DEG C of extrusions of the extruded machine of C components, epoxy powder painting is obtained through cooling down, crushing, drying and grinding
Material.
The present invention is prepared in the method for above-mentioned epoxy powder coating, first that epoxy resin and hydroxy silicon oil, silane is even
Connection agent is mixed to form organic-silicon-modified epoxy resin, is then mixed with the B component with high molecular polymerization network, and progress is a pair of
Epoxy resin is modified, and then adds ultra-violet absorber, levelling agent, curing agent processing, and salicylic acid serves not only as silane idol
Join agent and hydroxy silicon oil hydrolysis, the catalyst of condensation and the curing accelerator of curing agent, be then molded obtained C components,
Drying and grinding obtains epoxy powder coating, and entire technological process is succinct, safety.
Beneficial effects of the present invention are as follows：
The epoxy powder coating of the present invention is participated in epoxy resin by forming organic siliconresin in epoxy-resin systems
Into silicone resin system, and pass through what Kynoar, polytetrafluoroethylene (PTFE) or polyvinyl fluoride were formed with ABS resin composition
High molecular polymerization structure is further modified, and has stronger wet-heat resisting, corrosion-resistant, and weatherability is strong, satisfactory mechanical property, and is made
It makes conveniently, it is concise in technology, safe and non-toxic.
Specific embodiment
Just the specific embodiment of the present invention is described further below.
Unless otherwise instructed, the raw material employed in the present invention is commercially available or commonly used in the art, such as
Without special instruction, the method in following embodiments is the conventional method of this field.
Embodiment 1
A kind of strong epoxy powder coating of weatherability, is made of following component：Epoxy resin 58g, curing agent 4g, hydroxyl silicon
Oily 7g, silane coupling agent 12g, salicylic acid 3g, aqueous acetone solution 140g, inorganic mineral filler 8g, levelling agent 1.6g, ultraviolet light are inhaled
Agent 1.2g, Kynoar 27g, ABS resin monomer composition 20g, 1.5 parts of initiator and water 150g are received, wherein, with quality point
In the ABS resin monomer composition of number 100wt% meters, acrylonitrile 25wt%, butadiene 20wt%, remainder are styrene；
Silane coupling agent is vinyltriethoxysilane；Curing agent is diaminodiphenyl-methane；Inorganic mineral filler is andalusite
The composition of powder, Fluorspar Powder and talcum powder, the mass ratio of three are followed successively by 1:0.7:0.25, the quality of acetone in aqueous acetone solution
A concentration of 65wt%.
The preparation method of above-mentioned epoxy powder coating, includes the following steps：
(1) epoxy powder, inorganic mineral filler and 250r/min stirring 100min are sequentially added into aqueous acetone solution, so
Adding in hydroxy silicon oil, salicylic acid and silane coupling agent afterwards must continue to be stirred to component A；
(2) Kynoar, ABS resin monomer composition are sequentially added into water, 550r/min is persistently stirred at 40 DEG C
240min, then increases temperature to 95 DEG C and adds in initiator and persistently stir 180min and obtain component B；
(3) component B is stirred and added in component A, added ultra-violet absorber, levelling agent and curing agent and be mixed to get C components；
(4) by 100 DEG C of extrusions of the extruded machine of C components, epoxy powder coating is obtained through cooling down, crushing, drying and grinding.
Embodiment 2
A kind of strong epoxy powder coating of weatherability, is made of following component：Epoxy resin 50g, curing agent 3g, hydroxyl silicon
Oily 5g, silane coupling agent 10g, salicylic acid 1g, aqueous acetone solution 200g, inorganic mineral filler 6g, levelling agent 1g, ultraviolet absorber
0.8g, polyvinyl fluoride 24g, ABS resin monomer composition 15g, initiator 1g and water 100g, wherein, with mass fraction 100wt%
In the ABS resin monomer composition of meter, acrylonitrile 20wt%, butadiene 15wt%, remainder are styrene；Silane coupling agent
For vinyltrimethoxysilane；Curing agent is diamino diphenyl sulfone；Inorganic mineral filler is andalusite powder, Fluorspar Powder and cunning
The composition of mountain flour, the mass ratio of three are followed successively by 1:0.6:0.2；The mass concentration of acetone is 60wt% in aqueous acetone solution.
The preparation method of above-mentioned epoxy powder coating, includes the following steps：
(1) epoxy powder, inorganic mineral filler and 200r/min stirring 90min are sequentially added into acetone, is then added in
Hydroxy silicon oil, salicylic acid and silane coupling agent must continue to be stirred to component A；
(2) Kynoar, ABS resin monomer composition are sequentially added into water, 500r/min is persistently stirred at 30 DEG C
180min, then increases temperature to 90 DEG C and adds in initiator and persistently stir 120min and obtain component B；
(3) component B is stirred and added in component A, added ultra-violet absorber, levelling agent and curing agent and be mixed to get C components；
(4) by 90 DEG C of extrusions of the extruded machine of C components, epoxy powder coating is obtained through cooling down, crushing, drying and grinding.
Embodiment 3
A kind of strong epoxy powder coating of weatherability, is made of following component：Epoxy resin 70g, curing agent 8g, hydroxyl silicon
Oily 9g, silane coupling agent 13g, salicylic acid 4g, aqueous acetone solution 300g, inorganic mineral filler 10g, levelling agent 2g, UV absorption
Agent 1.6g, polyvinyl fluoride or polytetrafluoroethylene (PTFE) 30g, ABS resin monomer composition 22g, initiator 2g and water 200g, wherein, with
In the ABS resin monomer composition of mass fraction 100wt% meters, acrylonitrile 30wt%, butadiene 35wt%, remainder are benzene
Ethylene；Silane coupling agent is vinyl three (methoxy ethoxy) silane；Curing agent is dibenamine base ether, and inorganic mineral filler is
The composition of andalusite powder, Fluorspar Powder and talcum powder, the mass ratio of three are followed successively by 1:0.8:0.3, acetone in aqueous acetone solution
Mass concentration be 70wt%.
The preparation method of above-mentioned epoxy powder coating, includes the following steps：
(1) epoxy powder, inorganic mineral filler and 300r/min stirring 120min are sequentially added into acetone, is then added in
Hydroxy silicon oil, salicylic acid and silane coupling agent must continue to be stirred to component A；
(2) Kynoar, ABS resin monomer composition are sequentially added into water, 600r/min is persistently stirred at 50 DEG C
300min, then increases temperature to 100 DEG C and adds in initiator and persistently stir 240min and obtain component B；
(3) component B is stirred and added in component A, added ultra-violet absorber, levelling agent and curing agent and be mixed to get C components；
(4) by 110 DEG C of extrusions of the extruded machine of C components, epoxy powder coating is obtained through cooling down, crushing, drying and grinding.
Performance indicator
The performance parameter of present invention gained epoxy powder coating including above-described embodiment 1~3 is as follows：
Wherein by the corrosion resisting property of the epoxy powder coating of 1 gained of embodiment compared with result in above-mentioned table, indices
It is higher by 10%~20%.
The proportion of the epoxy powder coating of the present invention is 1.1~1.5g/cm3, below 30 DEG C in dry, draft chamber
Storage, avoids direct sunlight, can stablize storage six months or more.
Claims (9)
1. the strong epoxy powder coating of a kind of weatherability, which is characterized in that be mainly made of the components of following parts：Ring
50~70 parts of oxygen resin, 3~8 parts of curing agent, 5~9 parts of hydroxy silicon oil, 10~13 parts of silane coupling agent, 1~4 part of salicylic acid, third
0.8~1.6 part of 200~300 parts of ketone aqueous solution, 6~10 parts of inorganic mineral filler, 1~2 part of levelling agent and ultraviolet absorber.
2. epoxy powder coating according to claim 1, which is characterized in that further include Kynoar, poly- fluorine second
Alkene or 100~200 parts of 24~30 parts of polytetrafluoroethylene (PTFE), 15~22 parts of ABS resin monomer composition, 1~2 part of initiator and water.
3. epoxy powder coating according to claim 2, which is characterized in that the ABS in terms of mass fraction 100wt%
In resin monomer composition, acrylonitrile is 20wt%~30wt%, butadiene is 15wt%~35wt%, and remainder is styrene.
4. epoxy powder coating according to claim 1 or 2, which is characterized in that the epoxy powder coating
It is made of the components of following parts：58 parts of epoxy resin, 4 parts of curing agent, 7 parts of hydroxy silicon oil, 12 parts of silane coupling agent, bigcatkin willow
3 parts of acid, 140 parts of aqueous acetone solution, 8 parts of inorganic mineral filler, 1.6 parts of levelling agent, 1.2 parts of ultra-violet absorber, polyvinylidene fluoride
150 parts of 27 parts of alkene, 20 parts of ABS resin monomer composition, 1.5 parts of initiator and water, wherein the ABS in terms of mass fraction 100wt%
In resin monomer composition, acrylonitrile 25wt%, butadiene 20wt%, remainder are styrene.
5. epoxy powder coating according to claim 1 or 2, which is characterized in that silane coupling agent is vinyl three
Ethoxysilane, vinyltrimethoxysilane or vinyl three（Methoxy ethoxy）Silane.
6. epoxy powder coating according to claim 1 or 2, which is characterized in that the curing agent is diamino two
Phenylmethane, diamino diphenyl sulfone or dibenamine base ether.
7. epoxy powder coating according to claim 1 or 2, which is characterized in that the inorganic mineral filler is red
The composition of pillar powder, Fluorspar Powder and talcum powder, the mass ratio of three are followed successively by 1:0.6~0.8:0.2~0.3.
8. epoxy powder coating according to claim 1 or 2, which is characterized in that the matter of acetone in aqueous acetone solution
Measure a concentration of 60wt%~70wt%.
9. the preparation method of the epoxy powder coating as described in claim 1 to 7 is any, includes the following steps：
（1）Sequentially added into aqueous acetone solution epoxy powder, inorganic mineral filler and 200~300r/min stirring 90~
120min, then adding in hydroxy silicon oil, salicylic acid and silane coupling agent must continue to be stirred to component A；
（2）Xiang Shuizhong sequentially adds Kynoar, ABS resin monomer composition, and 500~600r/min is lasting at 30~50 DEG C
180~300min is stirred, temperature is then increased to 90~100 DEG C and adds in initiator and persistently stir 120~240min and obtain group
Part B；
（3）Component B is stirred and is added in component A, ultra-violet absorber, levelling agent and curing agent is added and is mixed to get C components；
（4）By 90~110 DEG C of extrusions of the extruded machine of C components, epoxy powder painting is obtained through cooling down, crushing, drying and grinding
Material.
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| CN201810107386.4A CN108264821A (en) | 2018-02-02 | 2018-02-02 | Strong epoxy powder coating of a kind of weatherability and preparation method thereof |
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| CN109467802A (en) * | 2018-09-25 | 2019-03-15 | 东华理工大学 | A kind of nano ferriferrous oxide filling high thermal conductivity PPR pipe and its manufacturing method |
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| CN112430410A (en) * | 2020-10-22 | 2021-03-02 | 宁波爱甬新材料科技有限公司 | Weather-resistant anticorrosive powder coating and preparation method thereof |
| CN112662205A (en) * | 2020-11-12 | 2021-04-16 | 广东至道先进土木工程材料技术研究有限公司 | Anti-aging luminous inorganic coating for building exterior wall and preparation method thereof |
| CN116694193A (en) * | 2023-06-05 | 2023-09-05 | 浙江捷宇新材料科技股份有限公司 | High weather-resistant and high chemical corrosion-resistant epoxy powder coating and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467802A (en) * | 2018-09-25 | 2019-03-15 | 东华理工大学 | A kind of nano ferriferrous oxide filling high thermal conductivity PPR pipe and its manufacturing method |
| CN109898765A (en) * | 2019-03-18 | 2019-06-18 | 广州市第四装修有限公司 | Environmentally protective indoor wall decoration method |
| CN112430410A (en) * | 2020-10-22 | 2021-03-02 | 宁波爱甬新材料科技有限公司 | Weather-resistant anticorrosive powder coating and preparation method thereof |
| CN112662205A (en) * | 2020-11-12 | 2021-04-16 | 广东至道先进土木工程材料技术研究有限公司 | Anti-aging luminous inorganic coating for building exterior wall and preparation method thereof |
| CN112662205B (en) * | 2020-11-12 | 2022-06-28 | 广东至道先进土木工程材料技术研究有限公司 | Anti-aging luminous inorganic coating for building exterior wall and preparation method thereof |
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| CN116694193B (en) * | 2023-06-05 | 2024-01-23 | 浙江捷宇新材料科技股份有限公司 | High weather-resistant and high chemical corrosion-resistant epoxy powder coating and preparation method thereof |
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Application publication date: 20180710 |