CN107486380A - Radiation curing system and curing process for polymer coating on surface of wooden plane plate - Google Patents
Radiation curing system and curing process for polymer coating on surface of wooden plane plate Download PDFInfo
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- CN107486380A CN107486380A CN201710733820.5A CN201710733820A CN107486380A CN 107486380 A CN107486380 A CN 107486380A CN 201710733820 A CN201710733820 A CN 201710733820A CN 107486380 A CN107486380 A CN 107486380A
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- 238000000576 coating method Methods 0.000 title claims abstract description 110
- 239000011248 coating agent Substances 0.000 title claims abstract description 107
- 238000001723 curing Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 40
- 229920000642 polymer Polymers 0.000 title claims abstract description 20
- 238000003847 radiation curing Methods 0.000 title claims abstract description 9
- 239000003973 paint Substances 0.000 claims abstract description 197
- 238000011049 filling Methods 0.000 claims abstract description 75
- 238000001227 electron beam curing Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000004381 surface treatment Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 11
- 230000037452 priming Effects 0.000 claims description 72
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 45
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 16
- 238000007711 solidification Methods 0.000 claims description 12
- 230000008023 solidification Effects 0.000 claims description 12
- 238000010894 electron beam technology Methods 0.000 claims description 11
- 238000007596 consolidation process Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 238000010422 painting Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000002987 primer (paints) Substances 0.000 abstract 3
- 239000005002 finish coating Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000011133 lead Substances 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 238000007761 roller coating Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000013007 heat curing Methods 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000010407 vacuum cleaning Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000675108 Citrus tangerina Species 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/068—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using ionising radiations (gamma, X, electrons)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a radiation curing system and a curing process for coating a polymer on the surface of a wooden plane board, which sequentially comprise a substrate surface treatment system, a primer coating system, a filling paint coating system, a primer and filling paint pre-curing system, a primer and filling paint layer sanding dust removal system, a finish coating system, a finish leveling system, a gloss control system and an electron beam curing system.
Description
Technical field
The present invention relates to furniture building material industry, wooden flat sheet field of coating, particularly a kind of wooden flat sheet table
Face polymer application electron beam curing systems and its curing process.
Background technology
Wooden boards include natural wood sheet material and substantial amounts of wood-base fibre and particle panel material (glued board, particieboard, fiberboard etc.), it
Be widely used in the fields such as furniture, building materials.In the production link of wooden boards, by without the wooden of last coating process
Sheet material semi-finished product are referred to as plain plate, and plain plate surface is after cover liquid coating and solidification, and formation is colorful, tone is various, decorative pattern
Changeable decorative coating；With high abrasion, high glaze, high hydrophobic, high adhesion force protective coating.
The domestic liquid to plain plate surface is coated with two kinds of curing modes, heat cure and uv radiation curing at present.
However, by the way of heat cure, in liquid coating solidification process, natural gas or electric energy need to be used to heat,
Substantial amounts of heat is consumed in air in the factory, and the energy can not be utilized efficiently；Heat curing process is used containing a large amount of molten simultaneously
The coating of agent, the heated volatilization of solvent, substantial amounts of organic volatile (VOC) are released in air, cause serious atmosphere pollution,
That is, heat cure is a kind of high energy consumption, high pollution, the " three high " technique of maximum discharge.
UV curing process is a kind of alternative techniques of heat cure, and it triggers coating that spoke occurs by ultraviolet light
Chemical reaction, free radical or ion of the generation with reactivity are penetrated, and then triggers chain to increase (polymerized/cross-linked etc.), makes liquid
Body coating fast filming and solidify.Due in uv curing coating seldom or without using solvent, so ultra-violet curing can reduce
Solidify the VOC emission in production process, while reduce energy consumption.
But because the principle of ultra-violet curing limits, solidification it is thick or it is colored or containing metal dust or contain
During the coating of inorganic filler, ultraviolet light is difficult to penetrate whole coating, it is necessary to which multiple tracks ultra-violet curing process, adds answering for production line
Polygamy and production line space, reduce the controllability of product quality；
During ultra-violet curing, the infrared portion in the high temperature and its emission spectrum of ultraviolet lamp tube in itself, thing is illuminated by causing
The heating and deformation of body, particularly when handling large-area thin plate, can there are product deformation problems, quality problems and production peace
Full hidden danger；
The use of a large amount of light triggers, the problem of light trigger easily migrates and threatens end user's health.The same time
Initiator price is generally more expensive, higher using the cost of uv curing coating.
Coating and light trigger and can not decompose or participate in completely in ultra-violet curing solidification, i.e., so-called " solidify afterwards "
The characteristic such as problem, this resistance to ag(e)ing to final finished, odor profiles, xanthochromia is very unfavorable.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of wooden flat sheet surface polymer application electron beam
Cure system and its curing process.
The technical solution adopted for the present invention to solve the technical problems is：
Wooden flat sheet surface polymer application radiation-curable systems, successively including substrate surface treatment system, priming paint
Coating system, filling paint coating system, priming paint and filling paint precuring system, priming paint and filling enamelled coating sanding dust pelletizing system, face
Paint coating system, finish paint levelling system, gloss control system, electron beam curing systems；
Wherein, priming paint and filling enamelled coating can be cured to gel state by the priming paint with filling enamelled coating precuring system,
The gloss control system can solidify finish paint top layer, and the electron beam curing systems include an electronic beam curing device, institute
Finish paint, filling paint, priming paint can be penetrated by stating the electron beam that electronic beam curing device is sent, and cause the radiation chemistry in coating anti-
Should, finish paint, filling paint, priming paint is fully cured.
Also including coating quality detecting system, the coating quality detecting system is arranged at after electron beam curing systems,
The painting effect of wooden flat sheet can be detected.
The coating quality detecting system is optical imagery detecting system, and it includes industrial camera and industrial computer, industry
Computer can be handled and identified to the image of industrial camera.
The priming paint is ultraviolet curing device or electronic beam curing device with filling paint precuring system.
Also including ultrasonic equipment, the ultrasonic equipment is arranged between finish paint coating system and finish paint levelling system,
The ultrasonic equipment can destroy bubble in coating.
Wooden flat sheet surface polymer application electronic beam curing technique, comprises the following steps：
Step 1: substrate surface treatment；
Step 2: priming paint is coated with, priming paint coating is carried out to base material by coating apparatus；
Step 3: filling paint coating, filling paint is coated with by coating apparatus above priming paint；
Step 4: priming paint and filling paint precuring, gel state is cured to by curing apparatus by priming paint and filling paint；
Step 5: priming paint and filling paint surface treatment, are carried out at sanding by sanding apparatus to priming paint and filling paint surface
Reason, meanwhile, priming paint and the dust on filling paint surface are removed by cleaner；
Step 6: finish paint is coated with, finish paint is coated with priming paint and filling paint surface by coating apparatus；
Step 7: finish paint levelling, levelling processing is carried out by levelling equipment to finish paint；
Step 8: finish paint gloss controls, finish paint top layer is solidified by ultraviolet curing equipment；
Step 9: priming paint, filling paint and topcoating cures, the electron beam sent by electronic beam curing device penetrate finish paint,
Filling paint, priming paint, cause the radiation chemical reaction in coating, and finish paint, filling paint, priming paint is fully cured.
Also include step 10；
Step 10: coating surface detects, the painting effect of wooden flat sheet is detected by detection device.
In the step 4, described curing apparatus is ultraviolet curing device or electronic beam curing device.
Increase by a ultrasonic wave de-bubble step between step 6 and step 7, to destroy in coating bubble to accelerate finish paint stream
It is flat.
Increase nitrogen protecting system in step 9, by nitrogen protecting system electronic beam curing device consolidation zone
Inject nitrogen.
The beneficial effects of the invention are as follows：Wooden flat sheet surface polymer application radiation-curable systems and its technique, according to
It is secondary to paint precuring system, bottom with filling including substrate surface treatment system, priming paint coating system, filling paint coating system, priming paint
Paint and filling enamelled coating sanding dust pelletizing system, finish paint coating system, finish paint levelling system, gloss control system, electronic beam curing system
System, the present invention is by the way that electronic beam curing to be used as to last primary curing process, to improve or avoid above-mentioned traditional coated solidified
During VOC emission problem, penetration problem, temperature problem and the problems such as light trigger remnants, and can be on wooden boards surface
Fine and close incomparable protective layer is formed, it is possessed the characteristics such as excellent wear-resisting resistant, and improves its color inhibition, acidproof alkali ability.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the system structure diagram of first specific embodiment of cure system of the present invention；
Fig. 2 is the system structure diagram of second specific embodiment of cure system of the present invention；
Fig. 3 is the system structure diagram of 3rd specific embodiment of cure system of the present invention；
Fig. 4 is the process flow diagram of first specific embodiment of curing process of the present invention；
Fig. 5 is the process flow diagram of second specific embodiment of curing process of the present invention；
Fig. 6 is the process flow diagram of 3rd specific embodiment of curing process of the present invention.
Embodiment
Cure system embodiment one
Reference picture 1, Fig. 1 are the principle schematic diagrams of first specific embodiment of cure system of the present invention, as illustrated,
Wooden flat sheet surface polymer application radiation-curable systems, successively including substrate surface treatment system, priming paint coating system,
Filling paint coating system, priming paint and filling paint precuring system, priming paint and filling enamelled coating sanding dust pelletizing system, finish paint coating are
System, finish paint levelling system, gloss control system, electron beam curing systems.
Wherein, the substrate surface treatment system includes sander 1 and cleaner, and the sander 1 is by using 80 mesh
The cloth abrasive band of~180 mesh carries out sanding processing to base material, by cleaner such as vacuum cleaning equipment, electrostatic dust collection equipment, blows
Wind cleaner carries out dedusting, in the present embodiment, the preferred constant-seed motor of the motor of sander 1 of substrate surface treatment, ensures sand
The effect of light.
The priming paint coating system, including a roller coating apparatus 2, bottom is coated with to substrate surface by the roller coating apparatus 2
Paint.
The filling paint coating system includes double roller coating apparatus 3, and priming paint is being had been coated with by double roller coating apparatus 3
On plain plate enamelled coating is filled with wet roller coat Self-leveling.
The priming paint is ultraviolet curing device 5 with filling paint precuring system, using ultraviolet curing device 5 to roller coat
Prime coat and filling enamelled coating carry out precuring, be cured to gel state, or surface drying, can polish sanding, without complete
Solidification.
The priming paint includes sander 1 and cleaner 7 with filling enamelled coating sanding dust pelletizing system, and the sander 1 is by adopting
Sanding processing is carried out to base material with the cloth abrasive band of the mesh of 320 mesh~400, removed by cleaner 7 such as vacuum cleaning equipment 7, electrostatic
Dirt equipment 7, dust-removing equipment 7 carry out dedusting, are preferably variable-frequency electric in priming paint and the motor of sander 1 in filling enamelled coating sanding
Machine, ensure the effect of sanding.
The finish paint coating system preferably uses showering coating apparatus 8, showering reality color finish paint, such as：White, orange, orange,
Grass green etc..
The finish paint levelling system preferably uses infrared leveling machine 9, and finish paint is entered by the infrared tube of infrared leveling machine 9
Row heating, automatic levelling and defoaming after certain temperature are heated to, so that finish paint is more smooth.
The gloss control system includes curing apparatus, it is preferred that using ultraviolet curing device 10, finish paint top layer is consolidated
Change, and coat inside and uncured, when being then fully cured using electron beam in nitrogen, cause top layer to be shunk, and formed
Microcosmic fold, to reach the control of the gloss on finish paint surface.
The electron beam curing systems include an electronic beam curing device, the electron beam that the electronic beam curing device is sent
Finish paint, filling paint, priming paint can be penetrated, causes the radiation chemical reaction in coating, finish paint, filling paint, priming paint is fully cured,
The electronic beam curing device is electron accelerator 11, and is configured with nitrogen protecting system, is filled by some valves to consolidation zone
Nitrogen, to maintain the oxygen content of consolidation zone to be less than 20~500ppm, source nitrogen is made by commercialized nitrogen cylinder or industry
Nitrogen machine provides.
In general, overlay film packaging facilities is also configured with after electron beam curing systems, is applied and installed with overlay film packaging protecting
Into wooden flat board.
Cure system embodiment two
Reference picture 2, Fig. 2 are the principle schematic diagrams of second specific embodiment of cure system of the present invention, as illustrated,
In the present embodiment, the priming paint and filling paint precuring system are an electronic beam curing device 4, use electronic beam curing device
The prime coat and filling enamelled coating of 4 pairs of roller coat carry out precuring, are cured to gel state, or surface drying, can polish sanding, nothing
It need to be fully cured.
Cure system embodiment three
Reference picture 3, Fig. 3 are the principle schematic diagrams of 4th specific embodiment of cure system of the present invention, as illustrated,
In the present embodiment, ultrasonic equipment 14, the ultrasonic equipment 14 are configured between finish paint coating system and finish paint levelling system
Bubble in coating can be destroyed, can speed up finish paint levelling.
Cure system example IV
In the present embodiment, relative to cure system embodiment one, electron beam curing systems and overlay film packaging facilities it
Between set coating quality detecting system, the painting effect of wooden flat sheet can be detected, to distinguish different application matter
The wooden flat board of amount, and overlay film packaging is carried out by baling equipment.
Preferably, the coating quality detecting system is optical imagery detecting system, and it includes industrial camera and industrial electro
Brain forms, and is taken pictures by industrial camera, after do video procession in industrial computer, carry out painting defect detection, as flake,
Orange peel etc..After finished product overlay film after testing, packed according to application attribute classification.
The present invention is realized using above-mentioned multiple system architecture embodiments can realize a variety of wooden flat sheet tables
Face polymer application radiation curing technique.
Curing process embodiment one
As shown in figure 4, in the present embodiment, mainly realize that it includes following step using above-mentioned cure system embodiment one
Suddenly：
Step 1: substrate surface treatment, determines thick 3mm~60mm, wooden flat sheet refers to natural wood herein by substrate
Sheet material and substantial amounts of wood-base fibre and particle panel material (glued board, particieboard, fiberboard etc.), carried out using the cloth abrasive band of the mesh of 80 mesh~180
Dedusting after sanding.Sander preferred oil frosted ray machine 1, the preferred constant-seed motor of the motor of sander 1, and meanwhile it is for example true by cleaner
Empty cleaner, electrostatic dust collection equipment, dust-removing equipment carry out dedusting；
Step 2: priming paint is coated with, priming paint coating is carried out to base material by coating apparatus, the preferable coating apparatus is single roller
Coating apparatus, the coating weight of priming paint is 10gm-2~100gm-2, the coating at priming paint preferred molecular weight slightly bottom, make priming coat a small amount of
Penetrating substrate surface, the adhesive force after being solidified with increase, electronic beam curing process in waiting step nine are completed fully to solidify,
Pigment half can be added to cover；
Step 3: filling paint coating, filling paint, the preferred double roller of the coating apparatus are coated with by coating apparatus above priming paint
Coating apparatus, enamelled coating, filling paint are filled with wet roller coat Self-leveling on the plain plate for have been coated with priming paint by double roller coating apparatus
Coating weight be 10gm-2~100gm-2.This coating can add a small amount of pigment, tentatively to be covered to plain plate surface；Step 3
It can generally also be constructed simultaneously with step 2.
Step 4: priming paint and filling paint precuring, using ultraviolet curing device to the prime coat of roller coat and filling enamelled coating
Precuring is carried out, is cured to gel state, or surface drying, can polish sanding, without being fully cured, in the present embodiment,
The ultraviolet curing device is double lamp ultraviolet curing equipments, or three lamp ultraviolet curing equipments.
Step 5: priming paint and filling paint surface treatment, by sanding apparatus, prime coat to semi-solid preparation to surface drying and
Fill enamelled coating and carry out sanding, sander preferably uses the mesh paper abrasive band of 320 mesh+400 herein, and sander motor is preferably variable-frequency electric
Machine, while dedusting is carried out by cleaner such as vacuum cleaning equipment, electrostatic dust collection equipment, dust-removing equipment；
Step 6: finish paint is coated with, finish paint is coated with priming paint and filling paint surface by coating apparatus, coating apparatus can be roller
Painting, showering, spraying equipment, it is preferred that the coating apparatus is showering coating apparatus, showering reality color finish paint, such as：White, orange, tangerine
Color, grass green etc., the coating weight of real color finish paint is 80gm-2~150gm-2；Preferably before showering reality color finish paint, roll-type is used
Coating machine elder generation roller coat 10gm-2-50gm-2, finish paint, humidification is mainly played, improves showering effect.
Step 7: finish paint levelling, carries out levelling processing, it is preferred that the leveling machine is infrared by levelling equipment to finish paint
Leveling machine, finish paint is heated by the infrared tube of infrared leveling machine, be heated to after certain temperature levelling automatically and disappear
Bubble, so that finish paint is more smooth, temperature is preferably between 45 DEG C~55 DEG C.Flow time is preferably 30s~60s；
Step 8: finish paint gloss controls, finish paint top layer is solidified by curing apparatus, it is preferred that curing apparatus is adopted
With ultraviolet curing device, finish paint top layer is solidified, and coat inside and uncured, then using electron beam in nitrogen it is complete
During all solidstate, cause top layer to be shunk, and form microcosmic fold, to reach the control of the gloss on finish paint surface；
Step 9: priming paint, filling paint and topcoating cures, the electron beam sent by electronic beam curing device penetrate finish paint,
Filling paint, priming paint, cause the radiation chemical reaction in coating, and finish paint, filling paint, priming paint is fully cured, in the present embodiment, institute
It is an electron accelerator to state electronic beam curing device, and electron beam can completely penetrate through finish paint, filling paint, priming paint, cause in coating
Radiation chemical reaction, all coatings are fully cured.In order to reach above-mentioned target, the high pressure of accelerator is preferably 80~500kV,
It is preferably 50~500mA by force to flow, and in the electronic beam curing device of wooden boards face coat, transfer rate is preferably 15~50m/
Min, beam width are slightly wider 1mm~10mm than strip width.Electronic beam curing device is in addition to the window of input and output material, by radiation shield
Material coats, usually cement, iron or lead, to shield X ray, preferred sheet lead in this embodiment, and sheet lead thickness preferably 1.5
~2.5cm.Preferably, in this step, can also increase nitrogen protecting system, material when by electronic beam curing passage,
There is one or more valve inside electronic beam curing device, the filling with inert gas into consolidation zone, exclude in consolidation zone
Oxygen, it is less than the oxygen content of consolidation zone, 20ppm-1000ppm, prevents oxygen inhibition phenomenon from producing, and causes surface can not
Fully solidification.It is preferably nitrogen in this inert gas, source nitrogen is provided by commercialized nitrogen cylinder or industrial nitrogen making machine.
In the present embodiment, the preferred 80kV~300kV of electronic beam curing device high pressure, the selection of high pressure and face coat
Thickness is related, need to be selected according to concrete application, if choosing is too high, it will improve the cost of electron beam curing apparatus, also have
Base material may be damaged, if choosing is too low, it is likely that can not effectively penetrate coating and make its solidification；In the present embodiment, flow
By force, high pressure and transfer rate are preferred value, certainly, can also be different according to specific curing dose and experimental data selection
Flow strong and transfer rate；Sheet lead thickness is according to above-mentioned high pressure and flows strong parameter, and the setting of national coherent radiation level of protection
's；Nitrogen gas concn is preferred, for experiment gained, if being less than this scope, is difficult to reach in engineering or needs are spent very
It is more into reaching originally, if height goes beyond the scope, subsequent cure quality can be because oxygen inhibition problem, and can not fully consolidate
Change.
It can increase packaging process according to the needs of production packaging, pass through overlay film bag after priming paint, filling paint and topcoating cures
The wooden flat board that the standby overlay film packaging protecting application of installing is completed.
Curing process embodiment two
Shown in Fig. 5, in the present embodiment, mainly realized using above-mentioned cure system embodiment three, it is relative to solidification work
Skill embodiment one, in step 4 priming paint with filling paint precuring process, using electronic beam curing device, using electronic beam curing
Device carries out precuring to the prime coat and filling enamelled coating of roller coat, is cured to gel state, or surface drying, can polish sanding i.e.
Can, without being fully cured.In order to reach above-mentioned target, the electronic beam curing device is an electron accelerator, and electron beam can portion
That divides penetrates filling paint, priming paint, causes radiation chemical reaction in coating.In order to reach above-mentioned target, the high pressure of accelerator is preferred
For 80~125kV, it is preferably 30~100mA by force to flow, and in the electronic beam curing device of wooden boards face coat, transfer rate is excellent
Elect 15~50m/min as, beam width is slightly wider 1mm~10mm than strip width.Electronic beam curing device removes the window of input and output material
Outside, coated by sheet lead, to shield X ray, the preferred 1cm~2cm of sheet lead thickness.Preferably, in this step, nitrogen can also be increased
Protection system, material have one or more valve when by electronic beam curing passage inside electronic beam curing device, to
Filling with inert gas in consolidation zone, the oxygen in consolidation zone is excluded, is less than the oxygen content of consolidation zone, 20ppm-
1000ppm, prevent oxygen inhibition phenomenon from producing, and cause surface fully to solidify.It is preferably nitrogen in this inert gas, nitrogen
Source is provided by commercialized nitrogen cylinder or industrial nitrogen making machine.
The reason for parameter selection herein and the step of curing process embodiment one nine basically identical, it is distinguished as, high pressure is not
It need to completely penetrate through, only cured skin, so just the ratio of choosing is relatively low, if selection high pressure is too high, have little significance, and increase
Installation cost；For sheet lead because high pressure is not high, stream is strong little, so also It is not necessary to select blocked up sheet lead to shield X ray.
Curing process embodiment three
Shown in Fig. 5, in the present embodiment, mainly realized using above-mentioned cure system example IV, it is relative to solidification work
Skill embodiment one, increase by a ultrasonic wave de-bubble step between step 6 and step 7, destroyed by ultrasonic equipment in coating
Bubble accelerates finish paint levelling, and the frequency of ultrasonic wave is preferably 30kHz~50kHz.
Certainly, in the present invention, moreover it is possible to there are other combinations, it is such as real in curing process embodiment two, curing process
Step four priming paint applied in example four is painted in precuring process with filling, using electronic beam curing technique, in curing process embodiment
2nd, ultrasonic wave de-bubble step etc. is increased in curing process embodiment three, it is and for example, real in cure system embodiment two, cure system
The priming paint applied in example four uses electronic beam curing device with filling paint precuring system, in cure system embodiment two, solidification system
Increase ultrasonic equipment in embodiment three of uniting carries out de-bubble, is not described in detail one by one herein.
Curing process example IV
In the present embodiment, mainly realize that it is relative to curing process embodiment using above-mentioned cure system embodiment one
One increase step 10；
Step 10: coating surface detects, the painting effect of wooden flat sheet is detected by detection device, detected
Equipment is made up of industrial camera and industrial computer, is taken pictures by industrial camera, after video procession is done in industrial computer, enter
Row painting defect detects, such as flake, orange peel.After finished product overlay film after testing, packed according to application attribute classification.
In addition, in the present invention, the coating system or coating process being related to, it can use spraying equipment or showering
Equipment or roll coating apparatus, the function of coating can be achieved, be not described in detail here.
The present invention is by the way that electronic beam curing to be used as to last primary curing process, to improve or avoid above-mentioned traditional application
The problems such as VOC emission problem, penetration problem, temperature problem and light trigger remnants in solidification process, and can be in wooden boards
Surface forms fine and close incomparable protective layer, it is possessed the characteristics such as excellent wear-resisting resistant, and improves its color inhibition, acid and alkali-resistance energy
Power.
The preferable implementation to the present invention is illustrated above, and certainly, the present invention can also use and above-mentioned implementation
The different form of mode, the equivalent conversion that those skilled in the art are made on the premise of without prejudice to spirit of the invention
Or corresponding change, it should all belong in protection scope of the present invention.
Claims (10)
1. wooden flat sheet surface polymer application radiation-curable systems, it is characterised in that：Include substrate surface treatment successively
System, priming paint coating system, filling paint coating system, priming paint and filling paint precuring system, priming paint and filling enamelled coating sanding remove
Dirt system, finish paint coating system, finish paint levelling system, gloss control system, electron beam curing systems；
Wherein, priming paint and filling enamelled coating can be cured to gel state by the priming paint with filling enamelled coating precuring system, described
Gloss control system can solidify finish paint top layer, and the electron beam curing systems include an electronic beam curing device, the electricity
The electron beam that beamlet solidification equipment is sent can penetrate finish paint, filling paint, priming paint, cause the radiation chemical reaction in coating, make
Finish paint, filling paint, priming paint are fully cured.
2. wooden flat sheet surface polymer application radiation-curable systems according to claim 1, it is characterised in that：Also
Including coating quality detecting system, the coating quality detecting system is arranged at after electron beam curing systems, can be to wooden
The painting effect of flat sheet is detected.
3. wooden flat sheet surface polymer application radiation-curable systems according to claim 2, it is characterised in that：Institute
It is image detecting system to state coating quality detecting system, and it includes industrial camera and industrial computer, and industrial computer can be to industry
The image of camera is handled and identified.
4. wooden flat sheet surface polymer application radiation-curable systems according to claim 1, it is characterised in that：Institute
It is ultraviolet curing device or electronic beam curing device that priming paint, which is stated, with filling paint precuring system.
5. wooden flat sheet surface polymer application radiation-curable systems according to claim 1, it is characterised in that：Also
Including ultrasonic equipment, the ultrasonic equipment is arranged between finish paint coating system and finish paint levelling system, and the ultrasonic wave is set
It is standby to destroy bubble in coating.
6. wooden flat sheet surface polymer application radiation curing technique, it is characterised in that：Comprise the following steps：
Step 1: substrate surface treatment；
Step 2: priming paint is coated with, priming paint coating is carried out to base material by coating apparatus；
Step 3: filling paint coating, filling paint is coated with by coating apparatus above priming paint；
Step 4: priming paint and filling paint precuring, gel state is cured to by curing apparatus by priming paint and filling paint；
Step 5: priming paint and filling paint surface treatment, carry out sanding processing, together by sanding apparatus to priming paint and filling paint surface
When, priming paint and the dust on filling paint surface are removed by cleaner；
Step 6: finish paint is coated with, finish paint is coated with priming paint and filling paint surface by coating apparatus；
Step 7: finish paint levelling, levelling processing is carried out by levelling equipment to finish paint；
Step 8: finish paint gloss controls, finish paint top layer is solidified by curing apparatus；
Step 9: priming paint, filling paint and topcoating cures, the electron beam sent by electronic beam curing device penetrate finish paint, filling
Paint, priming paint, cause the radiation chemical reaction in coating, and finish paint, filling paint, priming paint is fully cured.
7. wooden flat sheet surface polymer application radiation curing technique according to claim 6, it is characterised in that：Also
Including step 10；
Step 10: coating surface detects, the painting effect of wooden flat sheet is detected by detection device.
8. wooden flat sheet surface polymer application radiation curing technique according to claim 6, it is characterised in that：Institute
State in step 4, described curing apparatus is ultraviolet curing device or electronic beam curing device.
9. wooden flat sheet surface polymer application radiation curing technique according to claim 6, it is characterised in that：
Increase by a ultrasonic wave de-bubble step between step 6 and step 7, to destroy in coating bubble to accelerate finish paint levelling.
10. wooden flat sheet surface polymer application radiation curing technique according to claim 6, it is characterised in that：
Increase nitrogen protecting system in step 9, nitrogen is injected by consolidation zone of the nitrogen protecting system in electronic beam curing device
Gas.
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| CN201710733820.5A CN107486380A (en) | 2017-08-24 | 2017-08-24 | Radiation curing system and curing process for polymer coating on surface of wooden plane plate |
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| CN201710733820.5A CN107486380A (en) | 2017-08-24 | 2017-08-24 | Radiation curing system and curing process for polymer coating on surface of wooden plane plate |
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