CN104492670A - Medium density fiberboard powder spraying process - Google Patents
Medium density fiberboard powder spraying process Download PDFInfo
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- CN104492670A CN104492670A CN201410851007.4A CN201410851007A CN104492670A CN 104492670 A CN104492670 A CN 104492670A CN 201410851007 A CN201410851007 A CN 201410851007A CN 104492670 A CN104492670 A CN 104492670A
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- base resin
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- 239000000843 powder Substances 0.000 title claims abstract description 82
- 238000005507 spraying Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011094 fiberboard Substances 0.000 title abstract 5
- 238000000576 coating method Methods 0.000 claims abstract description 80
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 229920005989 resin Polymers 0.000 claims abstract description 47
- 239000011347 resin Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000004576 sand Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 claims description 24
- 230000008023 solidification Effects 0.000 claims description 24
- 238000005498 polishing Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000006258 conductive agent Substances 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229920002799 BoPET Polymers 0.000 claims description 2
- 239000005041 Mylar™ Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000004945 emulsification Methods 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 238000000227 grinding Methods 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract 3
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- 244000137852 Petrea volubilis Species 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 238000004381 surface treatment Methods 0.000 description 5
- 238000009472 formulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229940098458 powder spray Drugs 0.000 description 2
- KHOZTDBYGYDCHT-UHFFFAOYSA-N 1,5-dihydroxy-1,2,4,5-tetraphenylpentan-3-one Chemical group OC(C(C1=CC=CC=C1)C(=O)C(C(O)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 KHOZTDBYGYDCHT-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000015511 Liquidambar orientalis Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004870 Styrax Substances 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 231100001244 hazardous air pollutant Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a spraying process, in particular to a medium density fiberboard powder spraying process which includes the steps of surface pretreatment, water-base resin bottom sealing, static powder spraying and heating solidifying on a medium density fiberboard. The process is characterized in that the static powder spraying is performed after conductive liquid coats the surface of the medium density fiberboard subjected to water-base resin bottom sealing. Surface pretreatment of cutting, coarse grinding, fine grinding and the like is conducted on a medium density fiberboard body, the moisture is controlled to 6-8%, then procedures of water-base resin bottom sealing, sand grinding, conductive liquid coating and the like are adopted to ensure good powder utilization rate, a static spraying gun is adopted to conduct low temperature solidifying and powder coating, the powder coating has high adhesion to a bottom material, and the solidified coating film has excellent corrosion resistance and chemical resistance, and is small in contraction, high in hardness, good in abrasion resistance and corrosion resistance and excellent in electric insulating performance.
Description
Technical field
The present invention relates to coating process, be specifically related to a kind of MDF powder coating process.
Background technology
Along with the enhancing of environmental consciousness and the sound of environmental regulation, traditional solvent-borne coating is more and more restricted because of the use containing VOC VOC and hazardous air pollutants, and powder paint can be given by the painting good resistance to marring of ground and pollution resistance, provide the incrustation outward appearance of shades of colour and effect.The powder coating and their application of MDF due to its comprehensive painting cost to spray paint than traditional coating process and press mold low, but also there is the advantages such as non-volatility organic emission, efficiency are high, film good mechanical property, will the main flow of MDF application from now on be become.
Powder coating and their application MDF compares with film with other decorating films, and powder coat is not easily destroyed, and the workpiece after application does not generally need coating, and workpiece rework rate is low, saves cost; Powdery paints has excellent adhesive force, hardness, resistance to impact, wearability and chemical-resistant; Powdery paints is that the design of MDF shape provides greater flexibility, and be suitable for the erose coatings such as curved surface, it is seamless that application product can realize edge; Powdery paints all solvent-free generation when spraying and toast, reduces environmental pollution; Cross the powder recoverable of spray, technological operation is simple, and utilization rate is high; The decorative effect of different colours, gloss, lines can be obtained; Spray efficiency is high, economize energy.
In the face of above-mentioned advantage and the huge market demand, why current China does not form the large-scale commercial operations of MDF powder spray, and main cause is that MDF powder spray has very high technology content, needs the up-front investment of certain scale.Reach high quality, particularly ensure that sheet edge does not ftracture for a long time, need to be grasped the quality control of MDF sheet material, spraying coating line design and control, performance powder coating design and the quality testing of final products and the technology guarantee of these four aspects.
Summary of the invention
The object of this invention is to provide a kind of easy to operate, MDF powder coating process that exploitativeness is strong, MDF side is effectively avoided to crack, film corrosion resistance after solidification and chemical resistance excellence, film contraction is little, hardness is high, wearability good, and corrosion resistance, electrical insulation properties are excellent.
MDF powder coating process of the present invention, comprise successively surface pretreatment, water-base resin back cover, electrostatic powder coating are carried out to MDF, be heating and curing each step, after being characterized in the surface of the MDF after water-base resin back cover coated with conductive liquid, then carry out electrostatic powder coating.
Described conduction liquid is plastic surface conductive agent, the plastic surface conductive agent FD1020 that conduction liquid preferred Dongguan City Sheng Nuo plastic material Co., Ltd provides, and conduction liquid coated weight is every cubic metre of sheet material 5-8g.The present invention carries out electrostatic powder coating again at MDF surface coated with conductive liquid, enhance the adhesive force between powder and MDF, make film corrosion resistance, chemical proofing and electric insulating quality after solidifying excellent, film contraction is little, hardness is high, wearability good.
Described surface pretreatment process be MDF cut, roughly grind, sand milling, and control moisture at 6-8%.
Described water-base resin back cover is that then polish, the number of times of spraying water-base resin and polishing is 2-3 time to surface treated MDF spraying water-base resin;
Water-base resin is made up of the raw material of following mass percent:
Described unsaturated-resin is low viscosity unsaturated polyester resin, preferred unsaturated polyester resin M-162#, and oasis, Jinan composite Co., Ltd provides.
Described curing agent is the solvent-free PIC of water emulsification type, preferred Shandong China really high-tech adhesive Co., Ltd curing agent CN-7.
Described nano-TiO
2particle is a kind of super hydrophilic rutile nano-TiO
2particle, preferred VK-T25H, Xuancheng Jingrui New Material Co., Ltd. provides.
The described preferred 368A of water-soluble transparent glue, Dongguan City trimerization adhesive Science and Technology Ltd. provides.
Described electrostatic powder coating hangs on carrier chain by the above-mentioned MDF through water-base resin sealing, adopts electrostatic gun to carry out the spraying of low temperature cured powder coating to MDF surface.
The carrier chain that described electrostatic powder coating uses adopts linear uniform motion, and speed is 1-2m/min, and the dry bleed pressure that electrostatic powder coating uses is 0.6-0.8MPa; The distance on electrostatic gun rifle head distance MDF surface is 250-300mm.Dry source of the gas dusts for spray gun, for powder center fluidisation, spray room cleaning, Powder Recovery, cleaning workpiece etc.Described electrostatic gun is single track or two pass.
Described low-temperature setting powder is the product of Lang Fabo powder coating Science and Technology Ltd., can spray different colours, meets various incrustation requirement, and condition of cure is 130-150 DEG C/5-8min.
Described low temperature cured powder coating is made up of the raw material of following mass percent:
The 903H that the preferred Guangzhou Yuan Chuan Chemical Co., Ltd. of described epoxy resin provides.
The SJ4700 that described mylar preferred Anhui Shen Jian green wood limited company provides.
Described curing accelerator is the composition of polyester low-temperature promoter and epoxy resin curing accelerator arbitrary proportion.The TE-230 that the polyester low-temperature promoter preferred Qingdao auspicious Trade Co., Ltd. in Jiade provides.The 301Q that epoxy resin curing accelerator preferred Guangzhou Tian Long macromolecular material Science and Technology Ltd. provides.
Described function additive comprises levelling agent, defoamer and degasser.Wherein:
The PV88 of described levelling agent preferred Guangzhou Tian Long macromolecular material Science and Technology Ltd..
The styrax of the preferred Ningbo South-sea Chemical Co., Ltd. of described defoamer, chemical name is 1,2-diphenyl-2-hydroxyl-1-ethyl ketone.
The CERAFLOUR 961 of the preferred German Byk Chemie GmbH of described degasser, composition is modified polyethylene wax.
The barium sulfate that described filler preferred Zibo Hong Fang brake material factory provides.
The kind of described pigment carries out adding according to the product of actual production.
Described being heating and curing is MDF heating through flat section of superfusing, solidification section in medium-wave infrared heating furnace, completes solidification; Molten flat section and solidification section both sides all arrange medium-wave infrared irradiation devices.Wherein, molten flat segment length is 300cm, and temperature is set to 180-190 DEG C, and solidification segment length is 760cm, and temperature is set to 160-170 DEG C, and molten flat section and solidification spacer segment 20cm, medium-wave infrared irradiation devices height is 50cm.
Described MDF refers to wood fibre or other plant fiber for raw material, applies density that Lauxite or other adhesives be suitable for make at 0.65-0.88g/cm
3sheet material.
MDF powder coating process of the present invention, specifically comprises the following steps:
(1) surface treatment is carried out to MDF: sheet material, through the conventional wooden boards treatment process such as cutting, corase grind, sand milling, ensures that smooth surface is smooth, without sharp corners, control moisture at 6-8%;
(2) water-base resin back cover: back cover is carried out to surface treated MDF spraying water-base resin, and carries out the polishing of conventional surface and sharp corners according to sand paper specification from coarse to fine;
(3) coated with conductive liquid: to the plate surface coated with conductive liquid through water-base resin back cover, smears evenly;
(4) electrostatic powder coating: the spraying of electrostatic gun low temperature cured powder coating is carried out to the plate surface after coated with conductive liquid.
(5) be heating and curing: adopt medium-wave infrared pulsed irradiation to be heating and curing the sheet material after electrostatic powder coating;
(6) check and repair.
The present invention has following beneficial effect:
The present invention by cutting MDF plate body, roughly grinding, the surface pretreatment such as fine grinding, control moisture to 6-8%, again through the operation such as coating of water-base resin back cover and sand milling, conduction liquid, ensure good powder utilization; Electrostatic gun is adopted to carry out the spraying of low temperature cured powder coating, itself and ground have high adhesive force, film corrosion resistance after solidification and chemical resistance excellence, film contraction is little, hardness is high, wearability good, and corrosion resistance, electrical insulation properties are excellent.Powder coating process is simple and convenient, be applicable to the spraying of various shape substrate workpiece, also specifically can select the thickness of spraying according to actual machine strength demand simultaneously, meet the requirement of mechanical strength of different MDF to coating further, kind and content simultaneously by adjusting pigment and auxiliary agent in formula can provide the incrustation outward appearance of shades of colour and effect.
Detailed description of the invention
Below in conjunction with embodiment, invention is described further.
Embodiment 1
Described MDF powder coating process, comprises the steps:
(1) be 0.65g/cm to density
3mDF carry out surface treatment: sheet material through the conventional wooden boards treatment process such as cutting, corase grind, sand milling, ensure smooth surface smooth, without sharp corners, control moisture 6.5%;
(2) water-base resin back cover: back cover is carried out to surface treated MDF spraying water-base resin, and the polishing of conventional surface and sharp corners is carried out according to sand paper specification from coarse to fine, again spray water-base resin and polishing, the number of times of spraying water-base resin and polishing 3 times;
Described water-base resin is made up of the raw material of following mass percent:
(3) coated with conductive liquid: to the plate surface coated with conductive liquid FD1020 through water-base resin back cover, smears evenly; Conduction liquid coated weight is 5g/m
3;
(4) electrostatic powder coating: the spraying of electrostatic gun low temperature cured powder coating is carried out to the plate surface after coated with conductive liquid;
The speed of the carrier chain linear uniform motion that electrostatic powder coating uses is 2m/min, and the dry bleed pressure that electrostatic powder coating uses is 0.7MPa; The distance on single track electrostatic gun rifle head distance MDF surface is 250mm.
Described low temperature cured powder coating condition of cure 130 DEG C/8min, its Design of Coatings Formulation is as follows:
Curing accelerator adopts the combination of TE-230 and 301Q, and both mass ratioes are 1:2.
(5) be heating and curing: adopt medium-wave infrared pulsed irradiation to be heating and curing the sheet material after electrostatic powder coating;
Adopt hook to be placed in suspended chain the workpiece after electrostatic powder spraying and deliver to curing apparatus, in solidification equipment, molten flat segment length is 300cm, and temperature is set to 185 DEG C, and solidification segment length is 760cm, and temperature is set to 165 DEG C.Molten flat section and solidification spacer segment 20cm, medium-wave infrared irradiation devices height is 50cm.
(6) check and repair.
Embodiment 2
Described MDF powder coating process, comprises the steps:
(1) be 0.75g/cm to density
3mDF carry out surface treatment: sheet material through the conventional wooden boards treatment process such as cutting, corase grind, sand milling, ensure smooth surface smooth, without sharp corners, control moisture 7.5%;
(2) water-base resin back cover: back cover is carried out to surface treated MDF spraying water-base resin, and the polishing of conventional surface and sharp corners is carried out according to sand paper specification from coarse to fine, again spray water-base resin and polishing, the number of times of spraying water-base resin and polishing 3 times;
Described water-base resin is made up of the raw material of following mass percent:
(3) coated with conductive liquid: to the plate surface coated with conductive liquid FD1020 through water-base resin back cover, smears evenly; Conduction liquid coated weight is 8g/m
3;
(4) electrostatic powder coating: the spraying of electrostatic gun low temperature cured powder coating is carried out to the plate surface after coated with conductive liquid;
The speed of the carrier chain linear uniform motion that electrostatic powder coating uses is 1.5m/min, and the dry bleed pressure that electrostatic powder coating uses is 0.65MPa; The distance on single track electrostatic gun rifle head distance MDF surface is 270mm.
Described low temperature cured powder coating condition of cure 140 DEG C/7min, its Design of Coatings Formulation is as follows:
Curing accelerator adopts the combination of TE-230 and 301Q, and both mass ratioes are 1:2.
(5) be heating and curing: adopt medium-wave infrared pulsed irradiation to be heating and curing the sheet material after electrostatic powder coating;
Adopt hook to be placed in suspended chain the workpiece after electrostatic powder spraying and deliver to curing apparatus, in solidification equipment, molten flat segment length is 300cm, and temperature is set to 183 DEG C.Solidification segment length is 760cm, and temperature is set to 167 DEG C.Molten flat section and solidification spacer segment 20cm, medium-wave infrared irradiation devices height is 50cm.
(6) check and repair.
Embodiment 3
Described MDF powder coating process, comprises the steps:
(1) be 0.88g/cm to density
3mDF carry out surface treatment: sheet material through the conventional wooden boards treatment process such as cutting, corase grind, sand milling, ensure smooth surface smooth, without sharp corners, control moisture 7.8%;
(2) water-base resin back cover: back cover is carried out to surface treated MDF spraying water-base resin, and the polishing of conventional surface and sharp corners is carried out according to sand paper specification from coarse to fine, again spray water-base resin and polishing, the number of times of spraying water-base resin and polishing 2 times;
Described water-base resin is made up of the raw material of following mass percent:
(3) coated with conductive liquid: to the plate surface coated with conductive liquid FD1020 through water-base resin back cover, smears evenly; Conduction liquid coated weight is 7g/m
3;
(4) electrostatic powder coating: the spraying of electrostatic gun low temperature cured powder coating is carried out to the plate surface after coated with conductive liquid;
The speed of the carrier chain linear uniform motion that electrostatic powder coating uses is 1.5m/min, and the dry bleed pressure that electrostatic powder coating uses is 0.65MPa, and the distance on two pass electrostatic gun rifle head distance MDF surface is 260mm.
Described low temperature cured powder coating condition of cure 150 DEG C/5min, its Design of Coatings Formulation is as follows:
Curing accelerator adopts the combination of TE-230 and 301Q, and both mass ratioes are 2:1.
(5) be heating and curing: adopt medium-wave infrared pulsed irradiation to be heating and curing the sheet material after electrostatic powder coating;
Adopt hook to be placed in suspended chain the workpiece after electrostatic powder spraying and deliver to curing apparatus, in solidification equipment, molten flat segment length is 300cm, and temperature is set to 186 DEG C.Solidification segment length is 760cm, and temperature is set to 168 DEG C.Molten flat section and solidification spacer segment 20cm, medium-wave infrared irradiation devices height is 50cm.
(6) check and repair.
Embodiment 4
Described MDF powder coating process, comprises the steps:
(1) be 0.88g/cm to density
3mDF carry out surface treatment: sheet material through the conventional wooden boards treatment process such as cutting, corase grind, sand milling, ensure smooth surface smooth, without sharp corners, control moisture 7.8%;
(2) water-base resin back cover: back cover is carried out to surface treated MDF spraying water-base resin, and the polishing of conventional surface and sharp corners is carried out according to sand paper specification from coarse to fine, again spray water-base resin and polishing, the number of times of spraying water-base resin and polishing 2 times;
Described water-base resin is made up of the raw material of following mass percent:
(3) coated with conductive liquid: to the plate surface coated with conductive liquid FD1020 through water-base resin back cover, smears evenly; Conduction liquid coated weight is 6g/m
3;
(4) electrostatic powder coating: the spraying of electrostatic gun low temperature cured powder coating is carried out to the plate surface after coated with conductive liquid;
The speed of the carrier chain linear uniform motion that electrostatic powder coating uses is 1.5m/min, and the dry bleed pressure that electrostatic powder coating uses is 0.80MPa, and the distance on two pass electrostatic gun rifle head distance MDF surface is 300mm.
Described low temperature cured powder coating condition of cure 130 DEG C/8min, its Design of Coatings Formulation is as follows:
Curing accelerator adopts the combination of TE-230 and 301Q, and both mass ratioes are 1:1.
(5) be heating and curing: adopt medium-wave infrared pulsed irradiation to be heating and curing the sheet material after electrostatic powder coating;
Adopt hook to be placed in suspended chain the workpiece after electrostatic powder spraying and deliver to curing apparatus, in solidification equipment, molten flat segment length is 300cm, and temperature is set to 181 DEG C.Solidification segment length is 760cm, and temperature is set to 163 DEG C.Molten flat section and solidification spacer segment 20cm, medium-wave infrared irradiation devices height is 50cm.
(6) check and repair.
Claims (10)
1. a MDF powder coating process, comprise successively surface pretreatment, water-base resin back cover, electrostatic powder coating are carried out to MDF, be heating and curing each step, it is characterized in that: after the MDF surface coated with conductive liquid after water-base resin back cover, then carry out electrostatic powder coating.
2. MDF powder coating process according to claim 1, is characterized in that: conduction liquid is plastic surface conductive agent, and conduction liquid coated weight is every cubic metre of sheet material 5-8g.
3. MDF powder coating process according to claim 1, is characterized in that: surface pretreatment process be MDF cut, roughly grind, sand milling, and control moisture at 6-8%.
4. MDF powder coating process according to claim 1, is characterized in that: water-base resin back cover is that then polish, the number of times of spraying water-base resin and polishing is 2-3 time to surface treated MDF spraying water-base resin;
Water-base resin is made up of the raw material of following mass percent:
5. the MDF of high osmosis nanometer water resin edge sealing according to claim 4, is characterized in that: unsaturated-resin is low viscosity unsaturated polyester resin; Curing agent is the solvent-free PIC of water emulsification type; Nano-TiO
2particle is rutile type nano TiO
2particle.
6. MDF powder coating process according to claim 1, is characterized in that: electrostatic powder coating hangs on carrier chain by MDF, adopts electrostatic gun to carry out the spraying of low temperature cured powder coating to MDF surface; Carrier chain adopts linear uniform motion, and speed is 1-2m/min, and the dry bleed pressure that electrostatic powder coating uses is 0.6-0.8MPa; The distance on electrostatic gun rifle head distance MDF surface is 250-300mm.
7. MDF powder coating process according to claim 6, is characterized in that: low temperature cured powder coating is made up of the raw material of following mass percent:
8. sheet material according to claim 7, is characterized in that: epoxy resin is 903H; Mylar is SJ4700; Curing accelerator is the composition of polyester low-temperature promoter and epoxy resin curing accelerator arbitrary proportion, and function additive comprises levelling agent, defoamer and degasser.
9. MDF powder coating process according to claim 1, is characterized in that: being heating and curing is MDF heating through flat section of superfusing, solidification section in medium-wave infrared heating furnace, completes solidification; Molten flat section and solidification section both sides all arrange medium-wave infrared irradiation devices.
10. want the MDF powder coating process described in 9 according to right, it is characterized in that: molten flat segment length is 300cm, and temperature is set to 180-190 DEG C, solidification segment length is 760cm, temperature is set to 160-170 DEG C, and molten flat section and solidification spacer segment 20cm, medium-wave infrared irradiation devices height is 50cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851007.4A CN104492670A (en) | 2014-12-31 | 2014-12-31 | Medium density fiberboard powder spraying process |
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|---|---|---|---|
| CN201410851007.4A CN104492670A (en) | 2014-12-31 | 2014-12-31 | Medium density fiberboard powder spraying process |
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ID=52934171
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670927A (en) * | 2016-08-01 | 2018-02-09 | 苏州考斯丹五金制品有限公司 | MDF plate surface electrostatic powder spraying curing process |
| CN107670860A (en) * | 2016-08-01 | 2018-02-09 | 苏州考斯丹五金制品有限公司 | MDF plate surface electrostatic powder spraying automatic production lines |
| CN107972155A (en) * | 2017-12-04 | 2018-05-01 | 武汉科技大学 | A kind of medium density fibre board (MDF) powdery paints electrostatic painting method |
| CN108296138A (en) * | 2018-04-13 | 2018-07-20 | 广东葫芦堡文化科技股份有限公司 | A kind of electrostatic dusting technique on furniture board surface |
| CN108686910A (en) * | 2017-04-07 | 2018-10-23 | 深圳市太阳鸟珠宝工艺有限公司 | A kind of method that nano-paint is sprayed on display board |
| CN108787388A (en) * | 2017-05-12 | 2018-11-13 | 佛山宜可居新材料有限公司 | It is a kind of to form the production technology and production equipment of DE Specular Lighting decorative effect on artificial board surface using powdery paints |
| CN110997164A (en) * | 2017-07-07 | 2020-04-10 | 斯塔尔国际有限公司 | Powder coating method and coated article |
| CN111701826A (en) * | 2020-06-11 | 2020-09-25 | 北京傲威环亚家具有限公司 | Low-temperature electrostatic powder spraying method |
| CN115318597A (en) * | 2022-08-15 | 2022-11-11 | 索菲亚家居股份有限公司 | Surface coating method for wood base material |
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- 2014-12-31 CN CN201410851007.4A patent/CN104492670A/en active Pending
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| JPS54114545A (en) * | 1978-02-27 | 1979-09-06 | Eidai Co Ltd | Manufacture of coating material having protruded pattern |
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