CN109266214A - Heat Resistant Powder Coatings of high adhesion force and preparation method thereof - Google Patents
Heat Resistant Powder Coatings of high adhesion force and preparation method thereof Download PDFInfo
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- CN109266214A CN109266214A CN201811092169.9A CN201811092169A CN109266214A CN 109266214 A CN109266214 A CN 109266214A CN 201811092169 A CN201811092169 A CN 201811092169A CN 109266214 A CN109266214 A CN 109266214A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
-
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- 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
- 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
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses Heat Resistant Powder Coatings of a kind of high adhesion force and preparation method thereof, it is made by solid silicone resin, solid epoxy, fire resistant black iron oxide, mica powder, trbasic zinc phosphate, zinc powder, glass powder, dispersing agent, levelling agent and curing agent.The present invention is shared using solid silicone resin and polymeric solid epoxy resin, the optimal functional raw material of compatibility, can have both simultaneously excellent adhesive force guaranteeing temperature tolerance.And the present invention improves premixing effect using high-speed mixer, and the fineness of final products can be improved using high speed disperser.And solidification effect can be improved using extraordinary curing agent, stable protective layer can be formed in film coated surface and with excellent glossiness, achieve extraordinary technical effect.
Description
Technical field
The present invention relates to a kind of powdery paints, and in particular to and it is a kind of that not only there is high adhesion force, and there is heat-resisting quantity
The powdery paints and preparation method of energy, belong to technical field of polymer materials.
Background technique
Existing solid silicone resin high temperature resistant grade is inadequate, and premixing is not uniform enough, and dispersion machine smashing fineness
Not enough, sieve fineness is inadequate, causes the smooth glossiness of final high-temperaure coating inadequate, coating high temperature resistant grade cannot reach most
It is high-grade.And the prior art it is independent use solid silicone resin, intermolecular force is less than normal, adhesive force be not it is very good,
Price is also higher.
Summary of the invention
Goal of the invention: the purpose of the present invention is in view of the deficiencies of the prior art, screen component by many experiments, provide one
Kind has high adhesion force, and has high temperature resistance, the excellent powdery paints of the smooth glossiness of high temperature coating.The present invention another
Purpose is to provide the preparation method of the powdery paints.
Technical solution, in order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of Heat Resistant Powder Coatings of high adhesion force, it is made of the raw material of following parts by weight:
Solid silicone resin, solid epoxy, fire resistant black iron oxide, mica powder, trbasic zinc phosphate, zinc powder, glass powder,
Dispersing agent, levelling agent and curing agent.
Preferably, the Heat Resistant Powder Coatings of above-described a kind of high adhesion force, it is by following parts by weight
Raw material be made:
40~80 parts of solid silicone resin, 15~30 parts of solid epoxy, 20~40 parts of fire resistant black iron oxide, cloud
5~10 parts of female powder, 10~20 parts of trbasic zinc phosphate, 3~6 parts of zinc powder, 5~10 parts of glass powder, 1~2 part of dispersing agent, levelling agent 0.4~1
Part and 3~6 parts of curing agent.
Preferably, the Heat Resistant Powder Coatings of above-described a kind of high adhesion force, the dispersing agent are peace
Breath is fragrant；Levelling agent is nano aluminium oxide.
Preferably, a kind of Heat Resistant Powder Coatings of above-described high adhesion force, the curing agent are double
Cyanamide.
The preparation method of the Heat Resistant Powder Coatings of high adhesion force of the present invention, comprising the following steps:
(1) first by solid silicone resin, solid epoxy, fire resistant black iron oxide, mica powder, trbasic zinc phosphate, zinc powder,
Glass powder, dispersing agent, levelling agent are added in high-speed mixer and are pre-mixed；
(2) mixed material is sent to melt extruder, squeezes out material melts, and be pressed by cooling tablet press machine thin
Piece, air blast is cooling, then is ground into strip by roller mill, then is transported in air classification high speed powder mill and carries out superfine powder
It is broken, after the sieve of 100 mesh, obtain the Heat Resistant Powder Coatings of high adhesion force.
The condition of cure of the Heat Resistant Powder Coatings of high adhesion force of the present invention is that 230 degree of heat preservations 20 are raised to from room temperature
~30 minutes.
The present invention screens to obtain optimal raw material composition by many experiments, and wherein solid silicone resin can provide well
Ground protection, the film forming matter as high temperature resistant, fixed pigments and fillers.Wherein solid epoxy can provide good ground attachment
With excellent anti-corrosive properties；Fire resistant black iron oxide can provide the stability of color under good covering power and high temperature；Mica powder exists
Coating corrosion resistance and impact resistance can be provided in the coating；Trbasic zinc phosphate can improve coating corrosion resistance in the coating；Zinc powder
It can guarantee the corrosion resistance of coating at low ambient temperatures in the coating；Glass powder is used as functional filler in the coating, is
It substitutes organic siliconresin and carries out secondary film-forming；Dispersing agent can guarantee that pigments and fillers are evenly distributed in coating；Levelling agent, which can guarantee, to be applied
Laminar flow drops down smooth, raising coating scratch resistance.In addition the present invention screens curing agent by many experiments: preferably obtaining optimal solid
Agent is dicyandiamide.
The present invention screens matrix resin by many experiments, including solid silicon resin, acrylic resin, fluorocarbon resin, solid
Body epoxy resin, polyester resin, phenolic resin etc., experiment discovery solid silicon resin and solid epoxy combine, under high temperature not
It can crack, and it is good to retain excellent adhesive force, anti-corrosive properties, melting and heat-resisting quantity, it is therefore preferable that solid silicon resin and solid
Body epoxy resin is combined；
Present invention screening high temperature black, including chromium-copper are black, and manganese is iron black, ceramic black, iron oxide black, Comprehensive Correlation discovery oxidation
Iron black heat-resisting quantity, blackness, tinting strength, tinting power is all more outstanding, moderate, therefore preferred iron oxide black；
The present invention screens pigment, including talcum powder, mica powder, silicon powder, silica flour and barium sulfate etc., Comprehensive Correlation discovery
Mica powder heat-resisting quantity is prominent, and oil absorption is general, and is easy grinding, and cost performance is high, therefore preferred mica powder.
The present invention by many experiments screen curing agent, including dicyandiamide, ethylenediamine, diethylenetriamine, triethylene tetramine,
Tetraethylenepentamine, isophorone diamine, diamino-dicyclohexyl methane, methyl ring pentanediamine, 651 Versamids, T31 are solid
Agent, 593 curing agent etc., Comprehensive Correlation find that dicyandiamide cure is high-efficient, film good moldability.
The utility model has the advantages that compared to the prior art, the present invention has the following advantages:
The present invention screens to obtain optimal raw material by many experiments and forms and proportion, solid silicone resin of the present invention with
Silicon oxygen bond is main chain, imparts the higher oxidation stability of solid silicon resin because of its higher bond energy, and the present invention uses
Novel solid silicone resin and polymeric solid epoxy resin share, and are guaranteeing temperature tolerance while having both excellent adhesive force.And
The present invention improves premixing effect using high-speed mixer, and the fineness of final products can be improved using high speed disperser.
In addition the present invention is screened by many experiments, and solidification effect can be improved using extraordinary curing agent, can be in film table
Face forms stable protective layer and with excellent glossiness, achieves extraordinary technical effect, can overcome the prior art
It is insufficient.
Specific embodiment
Embodiment 1
1, a kind of Heat Resistant Powder Coatings of high adhesion force, it is made of the raw material of following parts by weight:
Solid silicone resin: 40 parts；
Solid epoxy: 15 parts；
High temperature resistant black pigment: 20 parts；
Mica powder: 5 parts；
Trbasic zinc phosphate: 10；
Glass powder: 5 parts；
Styrax: 1 part；
Zinc powder: 3 parts；
Nano aluminium oxide: 0.4 part.
Curing agent dicyandiamide: 3 parts.
2, the preparation method of the Heat Resistant Powder Coatings of high adhesion force of the present invention, comprising the following steps:
(1) first by 40 parts of solid silicone resin, 15 parts of solid epoxy, 20 parts of fire resistant black iron oxide, mica powder 5
Part, 10 parts of trbasic zinc phosphate, 3 parts of zinc powder, 5 parts of glass powder, styrax: 1 part, in 0.4 part of addition high-speed mixer of nano aluminium oxide into
Row premixing；
(2) mixed material is sent to melt extruder, squeezes out material melts, and be pressed by cooling tablet press machine thin
Piece, air blast is cooling, then is ground into strip by roller mill, then is transported in air classification high speed powder mill and carries out superfine powder
It is broken, after the sieve of 100 mesh, obtain the Heat Resistant Powder Coatings of high adhesion force.
3, the Heat Resistant Powder Coatings of above-mentioned high adhesion force are taken to be added 3 parts of curing agent dicyandiamide, heating is raised to 230 from room temperature
Degree heat preservation 20~30 minutes, coating form fine and close smooth coating on iron plate after cooling.
Coating performance testing result is as follows:
Comparative example 1
1, a kind of Heat Resistant Powder Coatings of high adhesion force, it is made of the raw material of following parts by weight:
Solid silicone resin: 55 parts；
High temperature resistant black pigment: 20 parts；
Mica powder: 5 parts；
Trbasic zinc phosphate: 10；
Glass powder: 5 parts；
Styrax: 1 part；
Zinc powder: 3 parts；
Nano aluminium oxide: 0.4 part；
Dicyandiamide: 3 parts.
2, the preparation method of the Heat Resistant Powder Coatings of high adhesion force of the present invention, comprising the following steps:
(1) first by 40 parts of solid silicone resin, 20 parts of fire resistant black iron oxide, 5 parts of mica powder, 10 parts of trbasic zinc phosphate, zinc
3 parts of powder, 5 parts of glass powder, styrax: 1 part, be pre-mixed in 0.4 part of addition high-speed mixer of nano aluminium oxide；
(2) mixed material is sent to melt extruder, squeezes out material melts, and be pressed by cooling tablet press machine thin
Piece, air blast is cooling, then is ground into strip by roller mill, then is transported in air classification high speed powder mill and carries out superfine powder
It is broken, after the sieve of 100 mesh, obtain the Heat Resistant Powder Coatings of high adhesion force.
3, the Heat Resistant Powder Coatings of above-mentioned high adhesion force are taken to be added 3 parts of curing agent dicyandiamide, heating is raised to 230 from room temperature
Degree heat preservation 20~30 minutes, coating form fine and close smooth coating on iron plate after cooling.
Coating performance testing result is as follows:
Comparative example 2
1, a kind of Heat Resistant Powder Coatings of high adhesion force, it is made of the raw material of following parts by weight:
Solid epoxy: 55 parts；
High temperature resistant black pigment: 20 parts；
Mica powder: 5 parts；
Trbasic zinc phosphate: 10；
Glass powder: 5 parts；
Styrax: 1 part；
Zinc powder: 3 parts；
Nano aluminium oxide: 0.4 part.
Curing agent dicyandiamide: 3 parts.
2, the preparation method of the Heat Resistant Powder Coatings of high adhesion force of the present invention, comprising the following steps:
(1) first by 55 parts of solid epoxy, 20 parts of fire resistant black iron oxide, 5 parts of mica powder, 10 parts of trbasic zinc phosphate, zinc powder 3
Part, 5 parts of glass powder, styrax: 1 part, be pre-mixed in 0.4 part of addition high-speed mixer of nano aluminium oxide；
(2) mixed material is sent to melt extruder, squeezes out material melts, and be pressed by cooling tablet press machine thin
Piece, air blast is cooling, then is ground into strip by roller mill, then is transported in air classification high speed powder mill and carries out superfine powder
It is broken, after the sieve of 100 mesh, obtain the Heat Resistant Powder Coatings of high adhesion force.
3, the Heat Resistant Powder Coatings of above-mentioned high adhesion force are taken to be added 3 parts of curing agent dicyandiamide, heating is raised to 230 from room temperature
Degree heat preservation 20~30 minutes, coating form fine and close smooth coating on iron plate after cooling.
Coating performance testing result is as follows:
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of Heat Resistant Powder Coatings of high adhesion force, which is characterized in that it is made of the raw material of following parts by weight:
Solid silicone resin, solid epoxy, fire resistant black iron oxide, mica powder, trbasic zinc phosphate, zinc powder, glass powder, dispersion
Agent, levelling agent and curing agent.
2. a kind of Heat Resistant Powder Coatings of high adhesion force according to claim 1, which is characterized in that it is by following weight
The raw material of number is made:
40~80 parts of solid silicone resin, 15~30 parts of solid epoxy, 20~40 parts of fire resistant black iron oxide, mica powder
5~10 parts, 10~20 parts of trbasic zinc phosphate, 3~6 parts of zinc powder, 5~10 parts of glass powder, 1~2 part of dispersing agent, 0.4~1 part of levelling agent and
3~6 parts of curing agent.
3. a kind of Heat Resistant Powder Coatings of high adhesion force according to claim 1 or 2, which is characterized in that point
Powder is styrax；Levelling agent is nano aluminium oxide.
4. a kind of Heat Resistant Powder Coatings of high adhesion force according to claim 1 or 2, which is characterized in that described consolidates
Agent is dicyandiamide.
5. the preparation method of the Heat Resistant Powder Coatings of high adhesion force of any of claims 1 or 2, which is characterized in that including with
Lower step:
(1) first by solid silicone resin, solid epoxy, fire resistant black iron oxide, mica powder, trbasic zinc phosphate, zinc powder, glass
Powder, dispersing agent, levelling agent are added in high-speed mixer and are pre-mixed；
(2) mixed material is sent to melt extruder, squeezes out material melts, and thin slice is pressed by cooling tablet press machine,
Air blast is cooling, then is ground into strip by roller mill, then is transported in air classification high speed powder mill and carries out ultra-fine grinding, then
The sieve for crossing 100 mesh obtains the Heat Resistant Powder Coatings of high adhesion force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092169.9A CN109266214A (en) | 2018-09-19 | 2018-09-19 | Heat Resistant Powder Coatings of high adhesion force and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811092169.9A CN109266214A (en) | 2018-09-19 | 2018-09-19 | Heat Resistant Powder Coatings of high adhesion force and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111073462A (en) * | 2020-01-19 | 2020-04-28 | 成都新柯力化工科技有限公司 | Pavement transparent coating for purifying automobile exhaust and preparation method thereof |
| CN112048242A (en) * | 2020-08-13 | 2020-12-08 | 廊坊艾格玛新立材料科技有限公司 | Environment-friendly high-temperature-resistant powder coating and preparation method thereof |
| CN112745734A (en) * | 2020-12-15 | 2021-05-04 | 宁波格林斯粉末涂装有限公司 | Open fire resistant barbecue powder coating |
| CN113249015A (en) * | 2021-05-08 | 2021-08-13 | 江门市皇宙实业有限公司 | High-temperature-resistant powder coating and preparation method thereof |
| CN114437607A (en) * | 2021-12-27 | 2022-05-06 | 张家港市华辰塑粉有限公司 | High-temperature-resistant organic silicon powder coating and preparation method thereof |
| CN115260901A (en) * | 2022-08-29 | 2022-11-01 | 德汇新材料科技南通有限公司 | Special high-temperature-resistant powder coating for automobile exhaust pipe and preparation process thereof |
| CN115466572A (en) * | 2022-09-26 | 2022-12-13 | 厦门鑫腾兴化工有限公司 | High-wear-resistance powder coating for automobile hub and preparation method thereof |
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| CN103509432A (en) * | 2013-09-03 | 2014-01-15 | 蚌埠市鸿安精密机械有限公司 | Metallic flicker powder paint |
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| CN107267029A (en) * | 2017-07-13 | 2017-10-20 | 金晨粉末涂料（江苏）有限公司 | A kind of high temperature resistant thermal boundary powdery paints, preparation method and its spraying method |
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| CN103319975A (en) * | 2013-06-19 | 2013-09-25 | 上海海隆石油化工研究所 | Epoxy powder coating composition with high pulverization resistance |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111073462A (en) * | 2020-01-19 | 2020-04-28 | 成都新柯力化工科技有限公司 | Pavement transparent coating for purifying automobile exhaust and preparation method thereof |
| CN112048242A (en) * | 2020-08-13 | 2020-12-08 | 廊坊艾格玛新立材料科技有限公司 | Environment-friendly high-temperature-resistant powder coating and preparation method thereof |
| CN112745734A (en) * | 2020-12-15 | 2021-05-04 | 宁波格林斯粉末涂装有限公司 | Open fire resistant barbecue powder coating |
| CN113249015A (en) * | 2021-05-08 | 2021-08-13 | 江门市皇宙实业有限公司 | High-temperature-resistant powder coating and preparation method thereof |
| CN114437607A (en) * | 2021-12-27 | 2022-05-06 | 张家港市华辰塑粉有限公司 | High-temperature-resistant organic silicon powder coating and preparation method thereof |
| CN115260901A (en) * | 2022-08-29 | 2022-11-01 | 德汇新材料科技南通有限公司 | Special high-temperature-resistant powder coating for automobile exhaust pipe and preparation process thereof |
| CN115466572A (en) * | 2022-09-26 | 2022-12-13 | 厦门鑫腾兴化工有限公司 | High-wear-resistance powder coating for automobile hub and preparation method thereof |
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Application publication date: 20190125 |