CN112090567A - Thermoplastic polyester powder coating and manufacturing equipment thereof - Google Patents
Thermoplastic polyester powder coating and manufacturing equipment thereof Download PDFInfo
- Publication number
- CN112090567A CN112090567A CN202011023999.3A CN202011023999A CN112090567A CN 112090567 A CN112090567 A CN 112090567A CN 202011023999 A CN202011023999 A CN 202011023999A CN 112090567 A CN112090567 A CN 112090567A
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- China
- Prior art keywords
- thermoplastic polyester
- powder coating
- resin
- cellulose acetate
- extruder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000843 powder Substances 0.000 title claims abstract description 61
- 229920000728 polyester Polymers 0.000 title claims abstract description 50
- 238000000576 coating method Methods 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 43
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims abstract description 19
- 229920008347 Cellulose acetate propionate Polymers 0.000 claims abstract description 18
- 238000002844 melting Methods 0.000 claims abstract description 18
- 230000008018 melting Effects 0.000 claims abstract description 18
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 238000007873 sieving Methods 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 229920001225 polyester resin Polymers 0.000 claims abstract description 7
- 239000004645 polyester resin Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000007909 melt granulation Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims abstract 5
- 230000001939 inductive effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 235000004237 Crocus Nutrition 0.000 claims description 4
- 241000596148 Crocus Species 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 6
- HKQOBOMRSSHSTC-UHFFFAOYSA-N cellulose acetate Chemical compound OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(O)C(O)C1O.CC(=O)OCC1OC(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(COC(C)=O)O1.CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 HKQOBOMRSSHSTC-UHFFFAOYSA-N 0.000 claims 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005469 granulation Methods 0.000 abstract description 4
- 230000003179 granulation Effects 0.000 abstract description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002250 absorbent Substances 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract description 2
- AVMNFQHJOOYCAP-UHFFFAOYSA-N acetic acid;propanoic acid Chemical compound CC(O)=O.CCC(O)=O AVMNFQHJOOYCAP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- -1 polyethylene Polymers 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000012461 cellulose resin Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920006230 thermoplastic polyester resin Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a thermoplastic polyester powder coating and its preparation equipment, through PETG raw materials and benzene dicarboxylic acid IPA, acetic acid propionic acid fibre CAP, cellulose acetate butyrate CAB material realize the blending in the mixer, after extruding the granulation, pack and make into thermoplastic polyester powder coating after grinding, sieving; the polyester resin PET is denatured at the high temperature of 250 ℃ to reach the melting point, and the modified thermoplastic polyester absorbent resin PETG is added with the phthalic acid IPA to reduce the melting point of the resin by about 40%; then mixing with cellulose acetate propionate CAP and cellulose acetate butyrate CAB, carrying out melt granulation by a plastic extruder, grinding into 60-mesh powder coating by a plastic grinding mill, sieving and packaging to finish the preparation. The invention has high ageing resistance and strong adhesive capacity.
Description
Technical Field
The invention belongs to the technical field of powder coating. In particular to a thermoplastic polyester powder coating and a manufacturing device thereof.
Background
At present, the thermoplastic powder coating made of polyethylene and polyoxyethylene nylon is only available in the domestic market, cannot meet the requirements of appearance coating of various parts which are increasing day by day, is easy to age and pollute the environment, and the manufacturing cost of nylon is quite high, so that demanders cannot accurately obtain more materials to realize manufacturing, thereby causing the defects in the technical field of coatings.
Polyethylene (PE) powder coating is widely applied to thermoplastic powder coating, polyoxyethylene powder coating is greatly eliminated, but after antioxidant, ultraviolet absorbent and the like are added to the PE powder coating, the heat resistance of the PE powder coating is greatly improved, but the PE powder coating is easy to crack and pulverize after long time, and the coating has poor surface hardness and is easy to damage in transportation and use; the price of the thermoplastic nylon powder is too high, so that the market share is very limited, the prior thermoplastic polyester powder coating is not well known, the thermoplastic polyester resin (PET) powder material needs to be prepared into a polymer by the polycondensation of dibasic acid and dihydric alcohol and then is synthesized with simple phthalic acid, the process is complicated, the investment is large, and the application of the thermoplastic polyester powder coating in China and even in China is almost zero.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a thermoplastic polyester powder coating and a manufacturing device thereof. The invention reduces the raw material investment, prepares the thermoplastic powder coating by carrying out synthetic reaction on the Polyester (PET), has excellent adhesive force with the metal backing material, and has the characteristics of no addition of oxidant, ultraviolet-resistant auxiliary agent and excellent ageing resistance.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a thermoplastic polyester powder coating manufacturing device is manufactured by a mixer, an extruder, a pulverizer, an induced air system and a powder sieving system; premixing the powdery materials by adopting a slow stirrer in the mixer; the extruder adopts a single-screw plastic extruder; carrying out powder grinding in a powder grinding machine after the mixed melting granulation, wherein a feed opening is arranged below the powder grinding machine and is fed in a stepless speed regulation manner; the inside of the pulverizer is a cutter disc type pulverizing mechanism, and the rotating speed reaches 8000 revolutions per minute for high-speed cutting; the pulverizer is connected with an air inducing system, and the outer end of the air inducing system is connected with a powder sieving system; the powder conveying after the induced air system will crocus is to sieve the powder system, sieves, send unqualified granule to the crocus system again and reprocess, realizes repeatedly sieving.
Further, the length-diameter ratio of the extruder is 1: 20-25, the screw rod of extruder is equipped with the venthole, makes the better realization processing of the raw materials that have little moisture.
In the manufacturing process of the thermoplastic polyester powder coating prepared by the manufacturing equipment, the PETG raw material and the materials of IPA, CAP and CAB are mixed in a mixer, and then the mixture is extruded and granulated, ground and screened, and then packaged to prepare the thermoplastic polyester powder coating;
the original polyester resin PET is modified at the high temperature of 250 ℃ to reach the melting point thereof, and is modified to prepare thermoplastic polyester modified resin PETG,
the polyester resin PET is crystalline, the thermoplastic polyester modified resin is amorphous, and the melting point temperature of the thermoplastic polyester modified resin is about 210 ℃;
the thermoplastic polyester modified resin PETG is modified and then is added with the IPA to reduce the melting point of the resin by about 40 percent;
and after the melting point of the resin is reduced, mixing the resin with cellulose acetate propionate CAP and cellulose acetate butyrate CAB, performing melt granulation by a plastic extruder, grinding the mixture into 60-mesh powder coating by a plastic grinding mill, sieving and packaging to finish the preparation.
Further, the addition amount of the IPA is 20%, the addition amount of the CAP is 1.5%, the addition amount of the CAB is 1.5%, and the output amount of the powder coating is about 60 meshes.
Has the advantages that: the invention provides a thermoplastic polyester powder coating and a manufacturing device thereof, wherein the thermoplastic polyester powder coating is prepared by synthesizing modified Polyester (PETG) by utilizing the existing thermoplastic resin (PET) on the market, matching with simple phthalic acid (IPA) for reducing the melting point of the resin, brightening the gloss by using cellulose resin, and then extruding, granulating and grinding.
Drawings
FIG. 1 is a schematic view of the whole apparatus for producing a thermoplastic polyester powder coating according to the present invention;
FIG. 2 is a schematic view of a pulverizer of the manufacturing apparatus of the present invention;
FIG. 3 is a schematic view of the process for preparing the thermoplastic polyester powder coating of the present invention.
In the figure, 1-mixer, 2-extruder, 3-pulverizer, 4-induced air system, 5-powder sieving system, 6-pulverizing mechanism, 7-feed opening, 8-air outlet, PETG raw material is modified polyester, CAP is cellulose acetate propionate, IPA is simple dicarboxylic acid, CAB is cellulose acetate butyrate.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
A thermoplastic polyester powder coating and a manufacturing device thereof, as shown in figures 1 to 3;
the thermoplastic polyester powder coating is prepared by a mixer 1, an extruder 2, a pulverizer 3, an induced air system 4 and a powder sieving system 5 as shown in figures 1 and 2; premixing the powdery materials by adopting a slow stirrer in the mixer 1; the extruder 2 adopts a single-screw plastic extruder; after the mixed melting granulation, the powder is ground in a flour mill 3, a feed opening 7 is arranged below the flour mill 3, and the feed opening 7 is fed in a stepless speed regulation manner; the inside of the pulverizer 3 is a cutter disc type pulverizing mechanism 6, and the rotating speed reaches 8000 revolutions per minute for high-speed cutting; the flour mill 3 is connected with an air inducing system 4, and the outer end of the air inducing system 4 is connected with a powder sieving system 5; powder conveying after induced air system 4 will crocus to sieve powder system 5, sieves, send unqualified granule to milling system 5 again and reprocess, realize repeated sieving.
Further, the length-diameter ratio of the extruder 2 is 1: 20-25, the screw rod of the extruder 2 is provided with an air outlet 8, so that the raw material with micro-moisture can be processed better.
As shown in fig. 3, in the manufacturing process of the thermoplastic polyester powder coating manufactured by the manufacturing equipment, the PETG raw material is blended with the materials IPA, CAP, CAB, etc. in a mixer, and then the mixture is extruded and granulated, ground and sieved, and then packaged to manufacture the thermoplastic polyester powder coating;
the original polyester resin PET is modified at the high temperature of 250 ℃ to reach the melting point thereof, and is modified to prepare thermoplastic polyester modified resin PETG,
the polyester resin PET is crystalline, the thermoplastic polyester modified resin is amorphous, and the melting point temperature of the thermoplastic polyester modified resin is about 210 ℃;
the thermoplastic polyester modified resin PETG is modified and then is added with the terephthalic acid IPA to reduce the melting point of the resin by about 40 percent;
and after the melting point of the resin is reduced, mixing the resin with cellulose acetate propionate CAP and cellulose acetate butyrate CAB, performing melt granulation by a plastic extruder, grinding the mixture into 60-mesh powder coating by a plastic grinding mill, sieving and packaging to finish the preparation.
Further, the amount of IPA added was 20%, the amount of CAP added was 1.5%, the amount of CAB added was 1.5%, and the powder coating output was about 60 mesh.
The specific manufacturing principle of the invention is as follows:
the invention utilizes polyester PETG modified by existing thermoplastic resin on the market and simple phthalic acid IPA to reduce the melting point of the resin, uses cellulose resin to improve the luster, and then prepares the thermoplastic polyester powder coating by extrusion granulation and grinding.
Claims (4)
1. A preparation equipment of thermoplastic polyester powder coating, which is characterized in that: the manufacturing is finished through a mixer, an extruder, a pulverizer, an induced air system and a powder sieving system; premixing the powdery materials by adopting a slow stirrer in the mixer; the extruder adopts a single-screw plastic extruder; a feed opening is arranged below the flour mill and is fed in a stepless speed regulation manner; the inside of the pulverizer is a cutter disc type pulverizing mechanism, and the rotating speed reaches 8000 revolutions per minute for high-speed cutting; the pulverizer is connected with an air inducing system, and the outer end of the air inducing system is connected with a powder sieving system; the powder conveying after the induced air system will crocus is to sieve the powder system, sieves.
2. The apparatus for making a thermoplastic polyester powder coating of claim 1, wherein said extruder has an aspect ratio of 1: 20-25, and air outlet holes are formed in a screw rod of the extruder.
3. The thermoplastic polyester powder coating prepared by the manufacturing equipment as claimed in claim 1, wherein in the manufacturing process of the thermoplastic polyester powder coating, the PETG raw material is blended with IPA (isopropyl alcohol terephthalate), CAP (cellulose acetate propionate) and CAB (cellulose acetate butyrate) materials in a mixer, and then the mixture is extruded and granulated, ground and sieved to be packaged to prepare the thermoplastic polyester powder coating;
the original polyester resin PET is modified at the high temperature of 250 ℃ to reach the melting point thereof, and is modified to prepare thermoplastic polyester modified resin PETG,
the polyester resin PET is crystalline, the thermoplastic polyester modified resin is amorphous, and the melting point temperature of the thermoplastic polyester modified resin is about 210 ℃;
the thermoplastic polyester modified resin PETG is modified and then is added with the IPA to reduce the melting point of the resin by about 40 percent;
and after the melting point of the resin is reduced, mixing the resin with cellulose acetate propionate CAP and cellulose acetate butyrate CAB, performing melt granulation by a plastic extruder, grinding the mixture into 60-mesh powder coating by a plastic grinding mill, sieving and packaging to finish the preparation.
4. The thermoplastic polyester powder coating of claim 3, wherein the amount of IPA is 20%, the amount of CAP is 1.5%, the amount of CAB is 1.5%, and the powder coating output is about 60 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011023999.3A CN112090567A (en) | 2020-09-25 | 2020-09-25 | Thermoplastic polyester powder coating and manufacturing equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011023999.3A CN112090567A (en) | 2020-09-25 | 2020-09-25 | Thermoplastic polyester powder coating and manufacturing equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112090567A true CN112090567A (en) | 2020-12-18 |
Family
ID=73755456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011023999.3A Pending CN112090567A (en) | 2020-09-25 | 2020-09-25 | Thermoplastic polyester powder coating and manufacturing equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112090567A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941904A (en) * | 1970-12-21 | 1976-03-02 | E. I. Du Pont De Nemours & Company | Method of applying adhesive coatings using segmented copolyester compositions |
| CN101570946A (en) * | 2009-05-11 | 2009-11-04 | 浙江亚欣纸业有限公司 | Paint for packing anti-counterfeit paper and preparation method thereof |
| CN105398155A (en) * | 2014-09-05 | 2016-03-16 | 芬欧汇川集团 | Composite material |
| CN106978057A (en) * | 2017-04-26 | 2017-07-25 | 安徽联硕实业有限公司 | A kind of polyurethane powder coating and preparation method thereof |
| US20170283647A1 (en) * | 2013-09-04 | 2017-10-05 | Roderick Hughes | Stress-resistant extrudates |
| KR101831879B1 (en) * | 2016-08-31 | 2018-02-26 | 주식회사 휴비스 | Polyester fiber using binder Having Advanced Adhesive Strength |
| CN214288683U (en) * | 2020-09-25 | 2021-09-28 | 黄讦 | Equipment for preparing thermoplastic polyester powder coating |
-
2020
- 2020-09-25 CN CN202011023999.3A patent/CN112090567A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941904A (en) * | 1970-12-21 | 1976-03-02 | E. I. Du Pont De Nemours & Company | Method of applying adhesive coatings using segmented copolyester compositions |
| CN101570946A (en) * | 2009-05-11 | 2009-11-04 | 浙江亚欣纸业有限公司 | Paint for packing anti-counterfeit paper and preparation method thereof |
| US20170283647A1 (en) * | 2013-09-04 | 2017-10-05 | Roderick Hughes | Stress-resistant extrudates |
| CN105398155A (en) * | 2014-09-05 | 2016-03-16 | 芬欧汇川集团 | Composite material |
| KR101831879B1 (en) * | 2016-08-31 | 2018-02-26 | 주식회사 휴비스 | Polyester fiber using binder Having Advanced Adhesive Strength |
| CN106978057A (en) * | 2017-04-26 | 2017-07-25 | 安徽联硕实业有限公司 | A kind of polyurethane powder coating and preparation method thereof |
| CN214288683U (en) * | 2020-09-25 | 2021-09-28 | 黄讦 | Equipment for preparing thermoplastic polyester powder coating |
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