CN110028881A - A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof - Google Patents
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof Download PDFInfo
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- CN110028881A CN110028881A CN201910313427.XA CN201910313427A CN110028881A CN 110028881 A CN110028881 A CN 110028881A CN 201910313427 A CN201910313427 A CN 201910313427A CN 110028881 A CN110028881 A CN 110028881A
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- Prior art keywords
- powder
- weather
- high chroma
- disguise
- paint
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/004—Reflecting paints; Signal 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- 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
- C08K2003/0812—Aluminium
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of double coating paints to disguise high chroma weather-resistant powder paint, bottom powder and transparent flour including the modified pigment containing fluorescence, for fluorescence modified pigment in the coating of bottom powder precuring, reheating still has upper floating capacity, is transferred to the paint effect film that transparent side bisque forms high chroma.It is safe and environment-friendly that paint provided by the invention disguises double painting dedicated weather-proof powder coating technologies, it is at low cost, it can get the film with high chroma paint effect after solidification, can be widely applied to the paints such as hardware household electrical appliances, automobile, container, farm machinery, building, highway, port and pier, bridge and disguise field.
Description
Technical field
The invention belongs to technical field of coatings, it is related to a kind of double coating paints and disguises high chroma weather-resistant powder paint and its preparation
Method.
Background technique
Paint VOCs discharge will cause harm to environment and human health, under the extruding of environmental protection policy and taxation at leisure
Exit Coating Market.
Powdery paints has four E, and (Economy is economical, and Ecology environmental protection, Efficiency is efficient, Excellency performance
It is brilliant) advantage is the choice direction of existing market instead of paint.
But in general, paint is that liquid fluidity is good, and chroma and richness are higher；Powdery paints is solid, flowing
Property cannot with paint ratio, chroma and richness are difficult to improve.Therefore, the chroma of existing powdery paints coating does not have painting layer
Height is one of the significant obstacle of " paint is disguised ".
Summary of the invention
To solve the above problems, the present invention provides a kind of double coating paints to disguise high chroma weather-resistant powder paint and its preparation
Method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, the bottom powder containing fluorescent pigment include with
Lower components by weight percent raw material:
Polyester resin 50-70%
TGIC 3.5-5.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Growth agent 0.5-2%
Fluorescence modified pigment 2-8%
Filler 10-35%
Floating type aluminium powder 1%
After above-mentioned formula rate ingredient, put into high-speed mixer mixing, then through screw extruder 100 DEG C-
Melting extrusion at 125 DEG C, tabletting.Sheet stock is ground up, sieved in ACM flour mill, the powder the being sieved floating type aluminium with 1% again
Silver powder dry-mixing, then re-sieving obtain the bottom powder containing fluorescent pigment of certain particle size range.
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, and transparent flour includes following weight group
Divide raw material:
Polyester resin 80-95%
TGIC 6-7.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
After above-mentioned formula rate ingredient, put into high-speed mixer mixing, then through screw extruder 115 DEG C-
Melting extrusion at 125 DEG C, tabletting.Sheet stock is ground up, sieved to obtain transparent flour in ACM flour mill.
Preferably, precuring melts 1-3min at 200 DEG C after the spraying of bottom powder, after the completion of precuring, transparent side is sprayed
Powder is fully cured in 200 DEG C of baking 10-15min.
Preferably, the fluorescence modified pigment partial size is 10-20 μm, oil absorption 20-30ml/100g.
Beneficial effects of the present invention:
After bottom powder electrostatic spraying of the invention, first precuring melting sizing, since the upper floating capacity of silver powder compares modified effect
Pigment is strong, and silver powder floats to the top layer of precuring coating, forms mirror surface electroplating effect, then sprays layer of transparent powder face again
Powder solidifies in curing oven, and in solidification process, the silver powder of precuring cannot continue to float, but fluorescence modified pigment still has floating
Ability, floats at leisure on silver powder layer, that is, is dispersed among transparent side bisque, and after being fully cured, light impinges upon coating
On, for coating using mirror surface electroplating effect silver powder as reflecting surface, the fluorescence modified pigment being dispersed in hyaline layer is coloring pigment,
It is acted on by the mirror-reflection of enhancing, the coating of high chroma is presented, it is very plentiful bright-coloured beautiful, meet or exceed painted surface effect
Fruit.
Specific embodiment
Embodiment 1
(1) prepared by bottom powder:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, the bottom powder containing fluorescent pigment include with
Lower components by weight percent raw material:
Polyester resin 50-70%
TGIC3.5-5.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Growth agent 0.5-2%
Fluorescence modified pigment 2-8%
Filler 10-35%
Floating type aluminium powder 1%
Polyester resin: Anhui Shenjian New Material Co.Ltd SJ4ET；
TGIC: Huangshan Huahui Technology Co., Ltd.'s product；
Levelling agent: the PV88 of German moral letter benefit chemistry；
Optical brightener: Ningbo South-sea Chemical Co., Ltd. 701B；
Growth agent: the prompt sensible new material Co., Ltd SA2485 of six peaces；
Fluorescence modified pigment: Japanese the old and new sea FA fluorescent powder series；
Filler: the blanc fixe of Shaanxi enrichment chemical industry Co., Ltd.
Floating type aluminium powder: Austrian 2091 floating type aluminium powder of Ban Delu.
After the above-mentioned formula in addition to floating type silver powder proportionally ingredient, high-speed mixer mixing 3min is put into, so
By melting extrusion tabletting at screw extruder engine speed 45HZ, feeding revolving speed 22HZ, 115 DEG C -125 DEG C of temperature.Sheet stock exists
It is ground in ACM flour mill, main mill revolving speed 48HZ, secondary mill revolving speed 29HZ, feeding revolving speed 24HZ, sieve cross the powder obtained after 180 mesh
The last floating type aluminium powder dry-mixing with 1% again, obtains the bottom powder containing fluorescent pigment.
(2) transparent flour preparation:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, and transparent flour includes following weight group
Divide raw material:
Polyester resin 80-95%
TGIC6-7.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Polyester resin: Anhui Shenjian New Material Co., Ltd. SJ4ET；
TGIC: Huangshan Huahui Technology Co., Ltd.'s product；
Levelling agent: the PV88 of German moral letter benefit chemistry；
Optical brightener: Ningbo South-sea Chemical Co., Ltd. 701B；
After above-mentioned formula rate ingredient, high-speed mixer mixing 3min is put into, then through Screw Extrusion machine host
Revolving speed 45HZ, feeding revolving speed 22HZ, melting extrusion tabletting at 115 DEG C -125 DEG C of temperature.Sheet stock is ground in ACM flour mill, main
Revolving speed 40HZ, secondary mill revolving speed 25HZ, feeding revolving speed 20HZ are ground, sieve crosses 120 mesh and obtains transparent flour.
Embodiment 2
(1) prepared by bottom powder:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, the bottom powder containing fluorescent pigment include with
Lower components by weight percent raw material:
Polyester resin 50-70%
TGIC3.5-5.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Growth agent 0.5-2%
Fluorescence modified pigment 2-8%
Filler 10-35%
Floating type aluminium powder 1%
Polyester resin: Anhui Shenjian New Material Co.Ltd SJ4ET；
TGIC: Huangshan Huahui Technology Co., Ltd.'s product；
Levelling agent: the PV88 of German moral letter benefit chemistry；
Optical brightener: Ningbo South-sea Chemical Co., Ltd. 701B；
Growth agent: the prompt sensible new material Co., Ltd SA2485 of six peaces；
Fluorescence modified pigment: Japanese the old and new sea FA fluorescent powder series；
Filler: the blanc fixe of Shaanxi enrichment chemical industry Co., Ltd.
Floating type aluminium powder: Austrian 2091 floating type aluminium powder of Ban Delu.
After the above-mentioned formula in addition to floating type aluminium powder proportionally ingredient, high-speed mixer mixing 3min is put into,
Then through melting extrusion tabletting at screw extruder engine speed 45HZ, feeding revolving speed 22HZ, 115 DEG C -125 DEG C of temperature.Sheet stock
It is ground in ACM flour mill, main mill revolving speed 48HZ, secondary mill revolving speed 29HZ, feeding revolving speed 24HZ, sieve, which is crossed after 180 mesh, to be obtained
The powder floating type aluminium powder dry-mixing with 1% again, obtains the bottom powder containing fluorescent pigment.
(2) transparent flour preparation:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, and transparent flour includes following weight group
Divide raw material:
Polyester resin 80-95%
TGIC6-7.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Polyester resin: Anhui Shenjian New Material Co., Ltd. SJ4ET；
TGIC: Huangshan Huahui Technology Co., Ltd.'s product；
Levelling agent: the PV88 of German moral letter benefit chemistry；
Optical brightener: Ningbo South-sea Chemical Co., Ltd. 701B；
After above-mentioned formula rate ingredient, high-speed mixer mixing 3min is put into, then through Screw Extrusion machine host
Revolving speed 45HZ, feeding revolving speed 22HZ, melting extrusion tabletting at 115 DEG C -125 DEG C of temperature.Sheet stock is ground in ACM flour mill, main
Revolving speed 40HZ, secondary mill revolving speed 25HZ, feeding revolving speed 20HZ are ground, sieve crosses 120 mesh and obtains transparent flour.
Embodiment 3
(1) prepared by bottom powder:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, the bottom powder containing fluorescent pigment include with
Lower components by weight percent raw material:
Polyester resin 50-70%
TGIC3.5-5.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Growth agent 0.5-2%
Fluorescence modified pigment 2-8%
Filler 10-35%
Floating type aluminium powder 1%
Polyester resin: Anhui Shenjian New Material Co.Ltd SJ4ET；
TGIC: Huangshan Huahui Technology Co., Ltd.'s product；
Levelling agent: the PV88 of German moral letter benefit chemistry；
Optical brightener: Ningbo South-sea Chemical Co., Ltd. 701B；
Growth agent: the prompt sensible new material Co., Ltd SA2485 of six peaces；
Fluorescence modified pigment: Japanese the old and new sea FA fluorescent powder series；
Filler: the blanc fixe of Shaanxi enrichment chemical industry Co., Ltd.
Floating type aluminium powder: Austrian 2091 floating type aluminium powder of Ban Delu.
After the above-mentioned formula in addition to floating type aluminium powder proportionally ingredient, high-speed mixer mixing 3min is put into,
Then through melting extrusion tabletting at screw extruder engine speed 45HZ, feeding revolving speed 22HZ, 115 DEG C -125 DEG C of temperature.Sheet stock
It is ground in ACM flour mill, main mill revolving speed 48HZ, secondary mill revolving speed 29HZ, feeding revolving speed 24HZ, sieve, which is crossed after 180 mesh, to be obtained
The powder floating type aluminium powder dry-mixing with 1% again, obtains the bottom powder containing fluorescent pigment.
(2) transparent flour preparation:
A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof, and transparent flour includes following weight group
Divide raw material:
Polyester resin 80-95%
TGIC6-7.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Polyester resin: Anhui Shenjian New Material Co., Ltd. SJ4ET；
TGIC: Huangshan Huahui Technology Co., Ltd.'s product；
Levelling agent: the PV88 of German moral letter benefit chemistry；
Optical brightener: Ningbo South-sea Chemical Co., Ltd. 701B；
After above-mentioned formula rate ingredient, high-speed mixer mixing 3min is put into, then through Screw Extrusion machine host
Revolving speed 45HZ, feeding revolving speed 22HZ, melting extrusion tabletting at 115 DEG C -125 DEG C of temperature.Sheet stock is ground in ACM flour mill, main
Revolving speed 40HZ, secondary mill revolving speed 25HZ, feeding revolving speed 20HZ are ground, sieve crosses 120 mesh and obtains transparent flour.
The method that the powdery paints bottom powder of embodiment 1-3 is electrostatically sprayed is sprayed on stainless steel respectively, at 200 DEG C
Lower precuring melts 2min, after the completion of precuring, sprays transparent flour, is fully cured, finally obtains in 200 DEG C of baking 15min
Dried film thickness is 90um, carries out the performance test of film to each formula respectively, is specifically shown in Table 1；
The performance test methods and evaluation criterion of film are as follows:
The levelability evaluation criterion of film carries out levelling grading according to the levelling effect rating scale plate of U.S. PCI, and 1 is
Difference, 10 be excellent；
The adhesive force intensity of film is referring to standard GB/T/T 9286；
The impact resistant strength of film is referring to standard GB/T/T 1732；
The pencil hardness of film is referring to standard GB/T/T 6739；
The chroma of film is measured using the X-RITE love beautiful SP62 instrument of color；
Table 1: the various performance indicators of film obtained by embodiment 1-3
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Appearance of film (range estimation) | It is flat and smooth, it is pin-free | It is flat and smooth, it is pin-free | It is flat and smooth, it is pin-free |
| Film levelling | 8 | 8 | 8 |
| Adhesive force intensity | ≤1 | ≤1 | ≤1 |
| Impact resistant strength (positive/negative) | 50/50 | 50/50 | 50/50 |
| Pencil hardness | H is without scuffing | H is without scuffing | H is without scuffing |
| Chroma | 83.8 | 82.7 | 81.9 |
Artificially roughening is carried out to above-mentioned film, test item is QUB-V test, and test condition is 50 DEG C of UV light
According to 4 hours, 40 DEG C of Water, steam circulations were tested 4 hours, and test result is shown in Table 2:
Table 2: the relationship of embodiment 1-3 ginkgo seeds time and light-protection rate
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (4)
1. a kind of double coating paints disguise high chroma weather-resistant powder paint, which is characterized in that including bottom powder and transparent flour, indsole
Powder includes following components by weight percent raw material:
Polyester resin 50-70%
TGIC 3.5-5.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
Growth agent 0.5-2%
Fluorescence modified pigment 2-8%
Filler 10-35%
Floating type aluminium powder 1%
After above-mentioned formula rate ingredient, high-speed mixer mixing is put into, then through screw extruder at 100 DEG C -125 DEG C
Lower melting extrusion, tabletting.Sheet stock is ground up, sieved in ACM flour mill, the powder the being sieved floating type aluminium powder with 1% again
Dry-mixing, then re-sieving obtain the bottom powder containing fluorescent pigment of certain particle size range.
2. a kind of double coating paints according to claim 1 disguise high chroma weather-resistant powder paint, which is characterized in that transparent side
Powder includes following components by weight percent raw material:
Polyester resin 80-95%
TGIC 6-7.5%
Levelling agent 0.8-1.5%
Optical brightener 0.5-1%
Styrax 0.2-0.8%
After above-mentioned formula rate ingredient, high-speed mixer mixing is put into, then through screw extruder at 115 DEG C -125 DEG C
Lower melting extrusion, tabletting, sheet stock are ground up, sieved to obtain transparent flour in ACM flour mill.
3. a kind of coating paints double according to claim 1 disguise the preparation method of high chroma weather-resistant powder paint, feature exists
In specific coating process is as follows；
After the spraying of bottom powder, precuring melts 1-3min at 200 DEG C, after the completion of precuring, sprays transparent flour, dries at 200 DEG C
Roasting 10-15min is fully cured.
4. a kind of double coating paints according to claim 1 disguise high chroma weather-resistant powder paint, which is characterized in that described glimmering
Light modified pigment is commercially available technical grade, and partial size is 10-20 μm, oil absorption 20-30ml/100g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313427.XA CN110028881A (en) | 2019-04-18 | 2019-04-18 | A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313427.XA CN110028881A (en) | 2019-04-18 | 2019-04-18 | A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110028881A true CN110028881A (en) | 2019-07-19 |
Family
ID=67239057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910313427.XA Pending CN110028881A (en) | 2019-04-18 | 2019-04-18 | A kind of double coating paints disguise high chroma weather-resistant powder paint and preparation method thereof |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115595042A (en) * | 2022-10-26 | 2023-01-13 | 金华信拓材料科技有限公司（Cn） | Thermosetting molding powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5749957A (en) * | 1994-12-05 | 1998-05-12 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Effect powder coatings |
| CN101311234A (en) * | 2007-05-22 | 2008-11-26 | 马晓兵 | Metal flashing powder coatings and preparation method thereof |
| CN102250532A (en) * | 2011-07-08 | 2011-11-23 | 天津翔盛粉末涂料有限公司 | High-decoration color alloy powder coating |
| CN104403517A (en) * | 2014-11-12 | 2015-03-11 | 广州擎天材料科技有限公司 | High imitation electroplating silver powder paint and preparation method thereof |
-
2019
- 2019-04-18 CN CN201910313427.XA patent/CN110028881A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5749957A (en) * | 1994-12-05 | 1998-05-12 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Effect powder coatings |
| CN101311234A (en) * | 2007-05-22 | 2008-11-26 | 马晓兵 | Metal flashing powder coatings and preparation method thereof |
| CN102250532A (en) * | 2011-07-08 | 2011-11-23 | 天津翔盛粉末涂料有限公司 | High-decoration color alloy powder coating |
| CN104403517A (en) * | 2014-11-12 | 2015-03-11 | 广州擎天材料科技有限公司 | High imitation electroplating silver powder paint and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115595042A (en) * | 2022-10-26 | 2023-01-13 | 金华信拓材料科技有限公司（Cn） | Thermosetting molding powder |
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Application publication date: 20190719 |