CN108239447A - A kind of production method and equipment of PVDF fluorocarbon powder paints - Google Patents
A kind of production method and equipment of PVDF fluorocarbon powder paints Download PDFInfo
- Publication number
- CN108239447A CN108239447A CN201611222861.XA CN201611222861A CN108239447A CN 108239447 A CN108239447 A CN 108239447A CN 201611222861 A CN201611222861 A CN 201611222861A CN 108239447 A CN108239447 A CN 108239447A
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- CN
- China
- Prior art keywords
- pvdf
- fluorocarbon powder
- powder paints
- pressure roller
- crushing
- Prior art date
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Classifications
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; 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
- C09D5/03—Powdery paints
- C09D5/031—Powdery paints characterised by particle size or shape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
- C09D5/035—Coloring agents, e.g. pigments
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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)
- Paints Or Removers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to a kind of production methods and equipment of PVDF fluorocarbon powder paints, and this method is mainly for the method and apparatus of PVDF fluorocarbon powder paint crushing process.This method include by the heating melting extrusion of the raw materials such as PVDF resins, acrylic resin and color stuffing and pressure roller it is in blocks after crush, crushing while, is cooled down and then is dried, and is packed.Production method of the present invention effectively shortens the time for crushing pressure roller piece, effectively by size controlling between 20 30 microns；In addition, the airflow drying after crushing, the PVDF fluorocarbon powder paints particle after crushing, which is effectively ensured, to lump because of condensed water, it is ensured that the high-performance of fluorocarbon coating paint film.The production equipment of the present invention by the way that the equipment for being crushed to drying is connected, realizes the uninterrupted production of automation, production efficiency is high.
Description
Technical field
The present invention relates to the production method and special equipment of a kind of fluorocarbon coating, more particularly to a kind of PVDF fluorocarbon coatings life
Produce method and apparatus.
Background technology
Powdery paints is the form entirely different with general coating, it is with existing for the state of attritive powder.Due to not
Using solvent, so referred to as powdery paints.The main feature of powdery paints has：With harmless, high efficiency, save resource and environmental protection
Feature.
Powdery paints has the advantages that energy conservation and environmental protection, three-waste free pollution, and wherein fluorocarbon powder paint is excellent resistance to old with its
The property changed especially weatherability and the surface that construction material, household electrical appliance and electronic device are widely used as the features such as chemical-resistant
Coating, market potential are very big.
Existing powdery paints belongs to heat curable powder coating mostly, and resin and color stuffing is can be mixed by production process
Melt extruded is crushed into powder again in flakes afterwards.But the materials such as PVDF resins, acrylic resin and color stuffing in PVDF fluorocarbon coatings
Melt extruded such as reapplies the existing equipment once crushed later in flakes, since PVDF resins are that thermoplastics type holds in crushing process
Be also easy to produce high temperature, leading to be prone at high temperature plasticizing causes molecular weight to become larger, and be easy to be ground into after its plasticizing grain size compared with
Big particle influences the performance that coating uses rear paint film.In addition, using the method that liquid nitrogen cooling is used in crushing process, meeting
PVDF powder fluorocarbon powder paints after crushing is caused to contain a large amount of condensed water and make its caking, are unfavorable for later stage PVDF fluorine carbon dust
Coating application and seriously affect its paint film property.
Invention content
The purpose of the present invention is：Above-mentioned deficiency in the prior art is solved, a kind of production of PVDF fluorocarbon powder paints is provided
Method and apparatus, this method is mainly for the method and apparatus of PVDF fluorocarbon powder paint crushing process.This method includes will
The heating melting extrusion such as PVDF resins, acrylic resin and color stuffing and pressure roller it is in blocks after crush, crushing while, carries out
The heating melting extrusion of the raw materials such as PVDF resins, acrylic resin and color stuffing and pressure roller are carried out powder by cooling, drying afterwards in flakes
It is broken, it is carried out at the same time cooling；It crushes cooling and carries out airflow drying later, packaging obtains PVDF fluorocarbon powder paints.By PVDF trees
The heating melting extrusion of the raw materials such as fat, acrylic resin and color stuffing and pressure roller it is in blocks after successively crush and be carried out at the same time cooling,
Effectively shorten the time for crushing pressure roller piece, effectively by size controlling between 20-30 microns；In addition, gas is used after crushing
Stream drying, the PVDF fluorocarbon powder paints particle after crushing, which is effectively ensured, to lump because of condensed water, it is ensured that fluorine carbon applies
Expect the high-performance of paint film.The production equipment of the present invention by the way that the equipment for being crushed to drying is connected, is realized between automating not
Medium well is produced, and production efficiency is high.
The production method of above-mentioned PVDF fluorocarbon powder paints, cooling medium is liquid in the pressure roller crushing process in blocks
Nitrogen.
The production method of above-mentioned PVDF fluorocarbon powder paints, the cooling medium consumption are 1000-10000mL/min,
More preferable 5000-8000mL/min.
The production method of above-mentioned PVDF fluorocarbon powder paints, the temperature of the air-flow after the crushing is 85-150 DEG C,
More preferable 100~125 DEG C.
Realize that the production equipment of production method that the pressure roller of PVDF fluorocarbon powder paints of the present invention crushes in flakes has
Three independent production equipments, the i.e. production of pressure roller reducing mechanism in blocks, liquid nitrogen cooling device and Pneumatic drying device are set
It is standby.Wherein the discharge port of pressure roller reducing mechanism in blocks and Pneumatic drying device is passed through certainly by the discharge port of roller reducing mechanism in blocks
Body weight enters in air current drying device.Three sets of independent equipment realize the uninterrupted production of automation, and production efficiency is high.
The production equipment of the production method of PVDF fluorocarbon powder paints of the present invention specifically includes pressure roller powder in blocks
Crushing device, liquid nitrogen cooling device and Pneumatic drying device；The pressure roller reducing mechanism in blocks include reducing mechanism discharge port,
Material-receiving device；The Pneumatic drying device includes dry gas flow control and temperature controller, discharge port.Pressure roller reducing mechanism in blocks
Lower end, liquid nitrogen cooling device, reducing mechanism discharge port connection material-receiving device, splicing dress are connected with before reducing mechanism discharge port
The discharging bottom plate put is connect with Pneumatic drying device；The Pneumatic drying device be equipped with dry gas flow and temperature controller and
Discharge port.
The production equipment of above-mentioned PVDF fluorocarbon powder paints, the preferably material-receiving device discharging bottom plate and horizontal plane are into 45
Spend angle, the fluid bed splicing isolation board of Pneumatic drying device and horizontal plane are into 30 degree of angles.
The present invention has positive effect：The production method of PVDF fluorocarbon powder paints of the present invention, by PVDF resins, propylene
The raw materials such as acid resin and color stuffing heating melting extrusion crushes after simultaneously pressure roller is in blocks, is carried out at the same time cooling, effectively shortening will
The time that pressure roller piece crushes, effectively by size controlling between 20-30 microns；Airflow drying after crushing, is effectively ensured powder
PVDF fluorocarbon powder paints particle after broken will not lump because of condensed water, it is ensured that the high-performance of fluorocarbon coating paint film.This
The production equipment of invention by the way that the equipment for being crushed to drying is connected, realizes the uninterrupted production of automation, production efficiency
It is high.
Description of the drawings
In order that the present invention can be more clearly and readily understood, it is right below according to specific embodiment and with reference to attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural diagram of the present invention.
Wherein, 1 pressure roller reducing mechanism in blocks, 2 liquid nitrogen cooling devices, 3 reducing mechanism discharge ports, 4 material-receiving devices, 5 dry gas
Flow and temperature controller, 6 Pneumatic drying devices, 7 discharge ports, 8 discharging bottom plates, 9 fluid bed splicing isolation boards.
Specific embodiment
(embodiment 1) is shown in Fig. 1
The present embodiment PVDF fluorocarbon powder paint production equipments, including feeding device, resin melting device, extrusion device,
Press pressure roller reducing mechanism 1 in blocks, liquid nitrogen cooling device 2 and Pneumatic drying device 6.Wherein pressure roller reducing mechanism 1 in blocks has
Reducing mechanism discharge port 3, material-receiving device 4；Pneumatic drying device 6 has dry gas flow control and temperature controller 5, discharge port 7.
Installation position of each device of the production line of aforementioned crushing and drying in workshop, is the common arrangement side of art of powder coatings
Formula.Pressure roller reducing mechanism 1 in blocks includes liquid nitrogen cooling device 2 and Pneumatic drying device 6；Reducing mechanism discharge port 3, splicing
Device 4；Pneumatic drying device 6 includes dry gas flow control and temperature controller 5, discharge port 7.Pressure roller reducing mechanism 1 in blocks
Liquid nitrogen cooling device 2 is connected with before lower end, reducing mechanism discharge port 3, reducing mechanism discharge port 3 connects material-receiving device 4, splicing
The discharging bottom plate 8 of device 4 connect the discharging bottom plate 8 of material-receiving device 4 and horizontal plane with Pneumatic drying device 6 into 45 degree of angles, air-flow
6 fluid bed splicing isolation board 9 of drying device and horizontal plane are into 30 degree of angles.In this way, the powder own wt of PVDF powdery paints into
Enter in air current drying device.
PVDF fluorocarbon powder paints are produced using above equipment, 100kg companies are produced rolling piece PVDF powder first applies
Expect predecessor, launch into pressure roller reducing mechanism 1 in blocks and while start liquid nitrogen cooling device 2, flow control 1000-
10000mL/min, it is 100-120 DEG C to open pneumatic conveying dryer 6 and set each area's temperature, then can prepare of the present invention
PVDF fluorocarbon powder paints.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
1. a kind of production method of PVDF fluorocarbon powder paints, this method is included PVDF resins, acrylic resin and color stuffing
It waits raw materials heating melting, extrusion and pressure roller in flakes and then crushes, cooling, pack, it is characterised in that：By PVDF resins, acrylic acid
The raw materials such as resin and color stuffing heating melting, squeeze out and pressure roller it is in blocks after crush, crushing while, is cooled down；It crushes cold
But airflow drying is carried out after, then packaging obtains PVDF fluorocarbon powder paints.
2. the production method of PVDF fluorocarbon powder paints according to claim 1, it is characterised in that：The pressure roller powder in blocks
Cooling medium is liquid nitrogen during broken.
3. the production method of PVDF fluorocarbon powder paints according to claim 1, it is characterised in that：The cooling medium stream
It measures as 1000-10000mL/min.
4. the production method of PVDF fluorocarbon powder paints according to claim 1, it is characterised in that：After the crushing
Airflow drying mode is fluidized-bed structure.
5. the production method of PVDF fluorocarbon powder paints according to claim 1, it is characterised in that：After the crushing
The temperature for drying air-flow is 85-150 DEG C.
6. a kind of production equipment for the production method for realizing the PVDF fluorocarbon powder paints as described in Claims 1 to 5 is any, packet
Include feeding device, resin melting device, extrusion device, pressure roller reducing mechanism in blocks, it is characterised in that：Pressure roller reducing mechanism in blocks
(1) lower end, reducing mechanism discharge port (3) are connected with liquid nitrogen cooling device (2) before, and reducing mechanism discharge port (3) connection connects
Expect device (4), the discharging bottom plate (8) of material-receiving device (4) is connect with Pneumatic drying device (6)；Pneumatic drying device (6) peace
Equipped with dry gas flow and temperature controller (5) and discharge port (7).
7. the production equipment of PVDF fluorocarbon powder paints according to claim 6, it is characterised in that：The material-receiving device
(4) discharging bottom plate (8) and horizontal plane are into 45 degree of angles；The fluid bed splicing isolation board (9) and horizontal plane of Pneumatic drying device (6)
Into 30 degree of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222861.XA CN108239447A (en) | 2016-12-27 | 2016-12-27 | A kind of production method and equipment of PVDF fluorocarbon powder paints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222861.XA CN108239447A (en) | 2016-12-27 | 2016-12-27 | A kind of production method and equipment of PVDF fluorocarbon powder paints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108239447A true CN108239447A (en) | 2018-07-03 |
Family
ID=62702489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611222861.XA Pending CN108239447A (en) | 2016-12-27 | 2016-12-27 | A kind of production method and equipment of PVDF fluorocarbon powder paints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108239447A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085574A (en) * | 2021-11-22 | 2022-02-25 | 擎天材料科技有限公司 | Powder coating and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140283A (en) * | 2011-04-14 | 2011-08-03 | 常州市双辉化工有限公司 | Preparation method for super-weatherability powder coating |
| CN204434533U (en) * | 2014-12-31 | 2015-07-01 | 江苏考普乐新材料有限公司 | The production unit of PVDF fluorocarbon coating |
| WO2016002724A1 (en) * | 2014-07-01 | 2016-01-07 | 旭硝子株式会社 | Composition for powder paint, powder paint, and painted article |
| CN205112310U (en) * | 2015-10-30 | 2016-03-30 | 科威嘉粉末涂料（天津）股份有限公司 | Powder coating serialization production system |
| CN105802365A (en) * | 2014-12-31 | 2016-07-27 | 江苏考普乐新材料有限公司 | Production method and equipment for PVDF fluorocarbon coating |
| CN205528564U (en) * | 2016-01-21 | 2016-08-31 | 江苏考普乐新材料有限公司 | PVDF fluorine carbon powder coating's production facility |
| CN206494886U (en) * | 2016-12-27 | 2017-09-15 | 江苏考普乐新材料有限公司 | A kind of production equipment of PVDF fluorocarbon powder paints |
-
2016
- 2016-12-27 CN CN201611222861.XA patent/CN108239447A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140283A (en) * | 2011-04-14 | 2011-08-03 | 常州市双辉化工有限公司 | Preparation method for super-weatherability powder coating |
| WO2016002724A1 (en) * | 2014-07-01 | 2016-01-07 | 旭硝子株式会社 | Composition for powder paint, powder paint, and painted article |
| CN204434533U (en) * | 2014-12-31 | 2015-07-01 | 江苏考普乐新材料有限公司 | The production unit of PVDF fluorocarbon coating |
| CN105802365A (en) * | 2014-12-31 | 2016-07-27 | 江苏考普乐新材料有限公司 | Production method and equipment for PVDF fluorocarbon coating |
| CN205112310U (en) * | 2015-10-30 | 2016-03-30 | 科威嘉粉末涂料（天津）股份有限公司 | Powder coating serialization production system |
| CN205528564U (en) * | 2016-01-21 | 2016-08-31 | 江苏考普乐新材料有限公司 | PVDF fluorine carbon powder coating's production facility |
| CN206494886U (en) * | 2016-12-27 | 2017-09-15 | 江苏考普乐新材料有限公司 | A kind of production equipment of PVDF fluorocarbon powder paints |
Non-Patent Citations (1)
| Title |
|---|
| 黄之祥等: "氟碳粉末涂料的发展趋势", 《中国涂料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085574A (en) * | 2021-11-22 | 2022-02-25 | 擎天材料科技有限公司 | Powder coating and preparation method and application thereof |
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Application publication date: 20180703 |