CN114381187A - Container processing method - Google Patents
Container processing method Download PDFInfo
- Publication number
- CN114381187A CN114381187A CN202011109604.1A CN202011109604A CN114381187A CN 114381187 A CN114381187 A CN 114381187A CN 202011109604 A CN202011109604 A CN 202011109604A CN 114381187 A CN114381187 A CN 114381187A
- Authority
- CN
- China
- Prior art keywords
- parts
- powder
- container
- processing method
- polyester resin
- 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.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 238000005422 blasting Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 229920001225 polyester resin Polymers 0.000 claims description 14
- 239000004645 polyester resin Substances 0.000 claims description 14
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- -1 alkyl imidazole Chemical compound 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 244000028419 Styrax benzoin Species 0.000 claims description 6
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 6
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 229960002130 benzoin Drugs 0.000 claims description 6
- 235000019382 gum benzoic Nutrition 0.000 claims description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- 235000010215 titanium dioxide Nutrition 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000002978 peroxides Chemical class 0.000 claims description 3
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 3
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000000576 coating method Methods 0.000 abstract description 14
- 239000011248 coating agent Substances 0.000 abstract description 13
- 239000003973 paint Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 3
- 239000007983 Tris buffer Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000007590 electrostatic spraying Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
A method for processing a container. The invention relates to the field of container processing, in particular to a container processing method. The container processing method has the advantages of convenient operation, low cost, low energy consumption and low environmental pollution. The invention comprises the following steps in operation: preparing a base material, performing primer rust prevention, welding and forming, performing local shot blasting, repairing local shot blasting parts, spraying powder A, spraying powder B, baking and curing, and inspecting a finished product. The three-layer paint containing a large amount of VOC emission is replaced by the A powder and B powder coating without VOC emission, so that the large amount of VOC emission is fundamentally solved, and the national environmental protection requirement is met.
Description
Technical Field
The invention relates to the field of container processing, in particular to a container processing method.
Background
The container is widely used in the field of global transportation, also relates to the industries of equipment, housing and the like, and is of great importance in the important fields of China, such as marine transportation, roads, transportation, equipment storage, office places, industrial construction, field construction and the like, which concern civilian life.
Because the container has high utilization rate, severe environment and large volume, and relates to various fields, and simultaneously, considering the requirements of energy conservation and environmental protection in the future industrial production, the outer layer protection is carried out by using the original zinc-rich epoxy paint, the thickness of the bottom coating is 10-20um, the thickness of the middle coating is 30-40um, the thickness of the top coating is 40-60um and the three-coating three-drying solvent paint, the process has high cost and large energy consumption, and particularly causes serious pollution to the environment.
Disclosure of Invention
Aiming at the problems, the invention provides the container processing method which is convenient to operate, reduces the cost, the energy consumption and the environmental pollution.
The technical scheme of the invention is as follows: the method comprises the following steps: preparing a base material, performing primer rust prevention, welding and forming, performing local shot blasting, repairing local shot blasting parts, spraying powder A, spraying powder B, baking and curing, and inspecting a finished product.
The powder A comprises the following components in parts by weight: 30-40 parts of polyester resin I, 30-40 parts of polyester resin II, 4-6 parts of curing agent, 26-35 parts of rutile titanium white, 1-2 parts of flatting agent, 0.3-0.4 part of benzoin, 4-7 parts of zinc phosphate, 0.05-0.1 part of alkyl imidazole, 8-12 parts of composite filler and 2-4 parts of pigment.
The powder B comprises the following components in parts by weight: 30-40 parts of polyester resin I, 30-40 parts of polyester resin II, 5-7 parts of curing agent, 26-35 parts of rutile titanium white, 1-2 parts of flatting agent, 0.3-0.4 part of benzoin, 6-8 parts of composite filler, 2-4 parts of pigment, 1-2 parts of powdering assistant P950 and 0.3-1 part of antioxidant.
The curing agent is tris epoxy propyl isocyanurate.
The antioxidant comprises hindered phenol amine and peroxide antioxidant.
The composite filler comprises the following components in parts by weight: 5-7 parts of natural barium sulfate, 1-2 parts of kaolin and 1-2 parts of alumina C.
The invention comprises the following steps in operation: preparing a base material, performing primer rust prevention, welding and forming, performing local shot blasting, repairing local shot blasting parts, spraying powder A, spraying powder B, baking and curing, and inspecting a finished product. The three-layer paint containing a large amount of VOC emission is replaced by the A powder and B powder coating without VOC emission, so that the large amount of VOC emission is fundamentally solved, and the national environmental protection requirement is met.
Detailed Description
The invention comprises the following steps: preparing a base material, performing primer rust prevention, welding and forming, performing local shot blasting, repairing local shot blasting parts, spraying A powder (bottom powder), spraying B powder (flour), baking and curing, and inspecting a finished product.
The powder A comprises the following components in parts by weight: 30-40 parts of polyester resin I, 30-40 parts of polyester resin II, 4-6 parts of curing agent, 26-35 parts of rutile titanium white, 1-2 parts of flatting agent, 0.3-0.4 part of benzoin, 4-7 parts of zinc phosphate, 0.05-0.1 part of alkyl imidazole, 8-12 parts of composite filler and 2-4 parts of pigment.
The powder B comprises the following components in parts by weight: 30-40 parts of polyester resin I, 30-40 parts of polyester resin II, 5-7 parts of curing agent, 26-35 parts of rutile titanium white, 1-2 parts of flatting agent, 0.3-0.4 part of benzoin, 6-8 parts of composite filler, 2-4 parts of pigment, 1-2 parts of powdering assistant P950 and 0.3-1 part of antioxidant.
The curing agent is tris epoxy propyl isocyanurate.
The antioxidant comprises hindered phenol amine and peroxide antioxidant.
The composite filler comprises the following components in parts by weight: 5-7 parts of natural barium sulfate, 1-2 parts of kaolin and 1-2 parts of alumina C.
The preparation method of the powder A comprises the following steps: weighing the raw materials according to the formula, placing the raw materials into a metal container, then stirring and mixing the raw materials at a high speed, and taking out the raw materials for later use after 8 minutes; extruding the mixed materials by a double-screw extruder (the extrusion temperature is 110-; grinding the coarsely crushed materials by an ACM grinder, adding a dispersing agent, sieving, and packaging to obtain the finished product, wherein the mesh number of the sieve is 160 meshes, and the particle size D50 is 33-35 um.
The preparation method of the powder B comprises the following steps: weighing the raw materials according to the formula, placing the raw materials into a metal container, then stirring and mixing the raw materials at a high speed, and taking out the raw materials for later use after 8 minutes; extruding the mixed materials by a double-screw extruder (the extrusion temperature is 110-; grinding the coarsely crushed materials by an ACM grinder, adding a dispersing agent, sieving, and packaging to obtain the finished product, wherein the mesh number of the sieve is 140 meshes, and the particle size D50 is 38-42 um.
In practical application, the polyester resin in the used material is a material with enhanced corrosion resistance, and the specific formula comprises the following components:
PTA: 580kg
NPG: 311kg
ADA: 9kg
MPO: 66kg
slicing: 16kg of
F4100: 1.2kg
TPP： 0.8kg
168: 0.9kg
1076: 1.8kg
PIA: 53kg
ADA: 4kg
C1: 0.7kg
Z1: 0.2kg
The polyester resin in the used materials is an aging-resistant material, so that the weather-resistant grade is improved, the container can be used in a severe environment for a long time, and the specific formula is as follows:
refining and para-benzene: 100kg of
Neopentyl glycol: 72kg of
F4100: 0.15kg
Adipic acid: 7.5kg
M-benzene: 9kg of
701: 0.6kg
An ester: 0.23kg
EBS: 0.6kg
AT-215: 0.6kg
The invention is formed by the original three-coating three-baking process route, substrate, primer rust prevention, welding forming, local shot blasting, primer spraying, drying, middle paint spraying, drying, surface painting, drying and finished product inspection. The adjustment is as follows: the method comprises the steps of base material, primer rust prevention, welding forming, local shot blasting part repairing, powder A (base powder) spraying, powder B (flour) spraying, baking and curing and finished product inspection.
The three-layer paint containing a large amount of VOC emission is replaced by the A part and B powder paint without VOC emission, thereby fundamentally solving the problem of large amount of VOC emission and meeting the national environmental protection requirement.
Preparing A, B powder and then entering a coating process; putting the container workpiece with complete pretreatment into a coating workshop; after the workpiece reaches the first coating position, electrostatic spraying of powder A is started, and 50-70un of coating is carried out; after the sprayed powder enters a second position, electrostatic spraying of powder B is started, and 70-100un of coating is formed; and (3) putting the container coated with the A, B powder into a drying room, taking the workpiece off the line after the surface temperature of the workpiece reaches 200 ℃ for 30-40 minutes, and cooling to finish the process.
The three-coating and three-baking process is changed into two-coating and one-baking process, so that the energy consumption cost is reduced; the process route is shortened, and the occupied space is reduced; the working procedures and investment are reduced; not only solves the VOC emission, but also solves the difficult problems of sewage and waste residue; the product performance is excellent, and the corner coverage rate is good; the corrosion resistance and weather resistance of the container and the appearance of the product are greatly improved.
Claims (6)
1. A container processing method is characterized by comprising the following steps: preparing a base material, performing primer rust prevention, welding and forming, performing local shot blasting, repairing local shot blasting parts, spraying powder A, spraying powder B, baking and curing, and inspecting a finished product.
2. The container processing method according to claim 1, wherein the powder A comprises the following components in parts by weight: 30-40 parts of polyester resin I, 30-40 parts of polyester resin II, 4-6 parts of curing agent, 26-35 parts of rutile titanium white, 1-2 parts of flatting agent, 0.3-0.4 part of benzoin, 4-7 parts of zinc phosphate, 0.05-0.1 part of alkyl imidazole, 8-12 parts of composite filler and 2-4 parts of pigment.
3. The container processing method according to claim 1, wherein the powder B comprises the following components in parts by weight: 30-40 parts of polyester resin I, 30-40 parts of polyester resin II, 5-7 parts of curing agent, 26-35 parts of rutile titanium white, 1-2 parts of flatting agent, 0.3-0.4 part of benzoin, 6-8 parts of composite filler, 2-4 parts of pigment, 1-2 parts of powdering assistant P950 and 0.3-1 part of antioxidant.
4. A method of manufacturing a container as claimed in claim 2 or claim 3, wherein said curing agent is tris-epoxypropyl isocyanurate.
5. A method of manufacturing containers as claimed in claim 3, wherein the antioxidants include hindered phenolic amine and peroxide antioxidants.
6. A method as claimed in claim 2 or 3, wherein the composite filler comprises the following components in parts by weight: 5-7 parts of natural barium sulfate, 1-2 parts of kaolin and 1-2 parts of alumina C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109604.1A CN114381187A (en) | 2020-10-16 | 2020-10-16 | Container processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109604.1A CN114381187A (en) | 2020-10-16 | 2020-10-16 | Container processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114381187A true CN114381187A (en) | 2022-04-22 |
Family
ID=81194012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011109604.1A Pending CN114381187A (en) | 2020-10-16 | 2020-10-16 | Container processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114381187A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887854A (en) * | 2022-05-18 | 2022-08-12 | 广东景元设备有限公司 | Powder spraying process for container |
-
2020
- 2020-10-16 CN CN202011109604.1A patent/CN114381187A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887854A (en) * | 2022-05-18 | 2022-08-12 | 广东景元设备有限公司 | Powder spraying process for container |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220422 |