CN110170438A - LED UV coating timber roller coating application method - Google Patents
LED UV coating timber roller coating application method Download PDFInfo
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- CN110170438A CN110170438A CN201910103289.2A CN201910103289A CN110170438A CN 110170438 A CN110170438 A CN 110170438A CN 201910103289 A CN201910103289 A CN 201910103289A CN 110170438 A CN110170438 A CN 110170438A
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- led
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- priming paint
- application method
- roller coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- 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
- B05D3/061—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 U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
- B05D7/08—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood using synthetic lacquers or varnishes
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/576—Three layers or more the last layer being a clear coat each layer being cured, at least partially, separately
-
- 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
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/31—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as mixtures of monomers and polymers
-
- 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
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
-
- 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
- B05D2502/00—Acrylic polymers
- B05D2502/005—Acrylic polymers modified
-
- 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
- B05D2504/00—Epoxy polymers
-
- 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
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
- B05D2601/28—Metals
Abstract
LED UV coating timber roller coating application method, (1) sanding；(2) LED UV compound type transparent putty；(3) LED light source solidifies, half-dried；(4) LED UV priming paint；(5) LED light source solidifies, absolutely dry；(6) sanding；(7) LED UV priming paint；(8) LED light source solidifies, half-dried；(9) radium-shine LED UV priming paint；(10) LED light source solidifies, absolutely dry；(11) sanding；Coating weight in step (2) is 25~40g/m2；Putty is LUV-013LED-UV low viscosity compound type transparent putty in step (2)；120~180mj/cm of radiation energy in step (3)2, drying time is 2~5s；25~40g/m of coating weight in step (4)2；Priming paint is LUV-112LED-UV roller coating transparent priming in step (4)；35~50g/m of coating weight in step (7)2；Radiation energy in step (8) is 120~180mj/cm2, 2~5s of drying time；250~350mj/cm of radiation energy in step (10)2, 2~5s of drying time, step (5), (8), LED light source solidification uses novel roller coating production system in (10).It is low that the present invention is shone product surface temperature rise, and irradiation even results are good, energy-saving and environmental protection.
Description
Technical field
The present invention relates to LED UV coating application methods, in particular to LED UV coating timber roller coating application method.
Background technique
Traditional timber UV application techniques is set using mercury lamp as solidification although being able to achieve the cured effect of high efficiency
It is standby, it has the following deficiencies:
1, traditional mercury lamp service life is short, and general only 600-800 hours；4-5 fluorescent tube is replaced every year；
2, the calorific value of traditional mercury lamp is big, and for instantaneous temperature up to 80~90 DEG C, general glue, which supports, can't stand such height
Temperature；
3, traditional mercury lamp needs 5 minutes or so preheating time, and needs persistently to light after opening, and cannot be used in interval
Formula production；
4, mercury itself belongs to the heavy metal for generating pollution, and society, which advocates, to be forbidden producing and importing and exporting mercurous class product；
5, the energy consumption of traditional mercury lamp is high, and every group of lamp power is 12 kilowatt hours, and a coating line is four groups of lamps, then one
The lamp source power of coating line is 48 kilowatt hours；
6, traditional mercury lamp curing mode can generate ozone, and ozone pollution more than VOC, becomes primary atmosphere pollution.
Occur a kind of method for making ultraviolet-curing paint in the prior art, belongs to environmental-friendly photocuring macromolecule
Material Field, especially with the method for polyester chloride acrylic ester production ultraviolet-curing paint.Mixing plant is being housed
Container in, be added 10%~30% reactive diluent of weight percent, 10%~30% polyester chloride acrylic ester, 1%~
5% auxiliary agent, 5%~10% free radical and cation light initiator after stirring and dissolving, add 30%~60% light reaction
Property resin, at a temperature of 20~50 DEG C, stirring be allowed to be uniformly mixed obtains ultraviolet-curing paint.Using the UV of this method
It, can be using light sources such as mercury-arc lamp, light sources of electrodeless lamps, xenon lamp, metal halide lamp, LED light when coating is polymerize.Contain
The UV coating of polyester chloride acrylic ester can carry out quick light photocuring as polyvinyl chloride, the photocuring of the plastics such as polyester
Coating material.
A kind of LED-UV photocuring anticorrosive paint is disclosed in the prior art, by the raw material group including following weight ratio
Point；20~30 parts of novolak epoxyacrylate, 10~20 parts of Epocryl, ethyleneglycol dimethacrylate
5~10 parts of ester, 5~10 parts of hydroxypropyl acrylate, photoinitiator A5~10 part, 3~5 parts of photoinitiator b, Graphene powder 5~10
Part, 10~15 parts of silver powder, 5~10 parts of 2- hydroxyethyl methacrylate phosphate, 1~5 part of wetting dispersing agent, defoaming
1~5 part of agent, 1~5 part of waterproofing agent；The Graphene powder is multi-layer graphene, and purity is greater than 99%, and partial size is 5~10um, thickness
Spend 1~3nm, 2~10 layers of the number of plies.The LED-UV photocuring anticorrosive paint of coating roller coating on mechanical roller coating calcium silicate board with microporous passes through
Film-forming coating in ultraviolet moment 1min improves coating efficiency and assigns product excellent painting effect, no
Containing organic volatile, high solids content, non-environmental-pollution, energy conservation and environmental protection.
In the prior art, LED UV coating is applied to timber method of roll coating process flow tradition, is unable to reach energy-saving ring
The requirement of guarantor.
Summary of the invention
It is an object of the invention to overcome prior art defect, provide a kind of process flow science, rationally, energy conservation and environmental protection
LED UV coating timber roller coating application method.
The purpose of the present invention is what is be achieved through the following technical solutions:
LED UV coating timber roller coating application method, the method includes the following steps:
(1) sanding；
(2) LED UV compound type transparent putty, the mass ratio of raw material components are as follows:
(3) LED light source solidifies；
(4) LED UV priming paint, the mass ratio of raw material components are as follows:
(5) LED light source solidifies；
(6) sanding；
(7) LED UV priming paint, the mass ratio of raw material components are as follows:
(8) LED light source solidifies；
(9) radium-shine LED UV priming paint, the mass ratio of raw material components are as follows:
(10) LED light source solidifies；
(11) sanding；
(12) step (3), (5), (8), LED light source solidification uses novel roller coating production system in (10).
Putty in the step (2) is low viscosity compound type transparent putty.
Coating weight in the step (2) is 25~40g/m2。
Radiation energy in the step (3) is 120~180mj/cm2, drying time is 2~5s.
Priming paint in the step (4) is roller coating transparent priming.
Coating weight is 35~50g/m in the step (4)2。
Coating weight is 35~50g/m in the step (7)2。
Radiation energy in the step (8) is 120~180mj/cm2, drying time is 2~5s.
Coating weight is 35~55g/m in the step (9)2。
Radiation energy in the step (10) is 250~350mj/cm2, drying time is 2~5s.
The step (2), (4), (7), the mass ratio of modified polyester acrylate ester resin solid content is 100% in (9).
The step (2), (4), (7), the mass ratio of dispersing agent solid content is 30% in (9).
The step (2), (4), (7), (9) defoaming agent solid content mass ratio be 20%.
The step (2), (4), (7), (9) levelling agent solid content mass ratio be 50%.
The step (2), (4), (7), monomer is acrylic ester monomer, molecular weight 212 in (9).
The step (2), (4), (7), the granularity of talcum powder is 800 mesh in (9).
The step (4), (7), transparent priming is radium-shine roller coating transparent priming in (9).
The step (2), (4), (7), 1918 (the 1- hydroxy-cyclohexyl benzene that photoinitiator is mass ratio 1-2 parts in (9)
Ketone, λmaxIn 395nm), 0.5-1 parts of TPO (2,4,6- trimethylbenzoyl madder ethoxyl phenenyl phosphine oxide), 3-5 parts
1173 (2- hydroxy-2-methyl -1- phenylacetone, λmaxIn 245nm, 280nm, 331nm).
Novel roller coating production system includes the contact calibrating machine and and putty by conveying band connection in the step (12)
The putty LEDUV curing of machine transmission connection and first of priming paint process LEDUV curing being sequentially connected with the first priming paint roller
And primer sander and with the second priming paint roller transmission connection second bottom road lacquerer's sequence LEDUV curing and with radium-shine priming paint roller
The radium-shine priming paint process LEDUV curing and radium-shine primer sander of transmission connection, first of the priming paint process LEDUV are solid
Change machine and second priming paint process LEDUV curing and radium-shine priming paint process LED UV curing end set LED light in being equipped with
The LED lamp cover of pipe sets sensing scanning device in the LED lamp cover.
The sensing scanning device is set to LED lamp cover inner wall.
The sensing scanning device is electrically connected with LED lamp tube.
The sensing scanning device is in parallel with LED lamp tube.
The present invention after adopting the above technical scheme, can achieve it is following the utility model has the advantages that
1, the LED light pipe set in the LED set in the LED UV curing in the present invention in novel roller coating production system, makes
With 10 times or more that the service life is traditional mercury lamp formula curing, about 25000~30000 hours.
2, novel roller coating production system uses cold light source, non-thermal radiation in the present invention, by, solution low according to product surface temperature rise
Long-term existing heat injury problem, is particularly suitable for liquid crystal edge sealing, film printing etc. and requires temperature rise small in optical communication, Liquid crystal production
Occasion be applicable in.
3, the LED light pipe set in the LED UV curing in the present invention in novel roller coating production system, calorific value is small, can
Solve the problems, such as that mercury lamp spray drawing apparatus calorific value is big, staff is insufferable.
4, the LED light pipe instant igniting set in the LED UV curing in the present invention in novel roller coating production system, is not required to
It preheats and reaches the output of 100% power UV at once.
5, the LED light pipe service life set in the LED UV curing in the present invention in novel roller coating production system not by
It is opened and closed times influence.
6, the LED light pipe set in the LED UV curing in the present invention in novel roller coating production system, energy is high, and light is defeated
Stablize out, irradiation even results are good, improve production efficiency.
7, the LED light pipe set in the LED UV curing in the present invention in novel roller coating production system, may customize and effectively shine
Region is penetrated, length is from 20mm to 1000mm.
8, the LED light pipe set in the LED UV curing in the present invention in novel roller coating production system is not mercurous, will not
Ozone is generated, is a kind of safer, the more environmentally friendly selection for substituting conventional light source technology.
9, low energy consumption by the present invention, and power consumption is only the 10% of traditional mercury lamp formula curing, can save 90% electricity.
10, maintenance cost of the present invention is almost nil, at least saves 10000 yuan/platform every year using UVLED curing apparatus
Consumptive material takes.
11, film grinability of the present invention is good, reduces the consume of sanding belt, reduces cost；Film levelling is good, and plate face is smooth
It spends, reduces the rework rate of paint.
12, present invention process power consumption is only original 30%, is over a year enterprise's save the cost 60% or so；LED
UV solidification does not generate ozone, and ozone becomes primary atmosphere pollution more than VOC, therefore ozone improvement will necessarily become
New improvement direction, energy-saving and environmental protection.
Detailed description of the invention
Fig. 1 is the top view of novel roller coating production system in the present invention；
Fig. 2 is the perspective view of LED lamp cover in Fig. 1；
Fig. 3 is the perspective view of LED lamp tube in Fig. 1；
Fig. 4 is the side view of LED light electric cabinet in the prior art；
Fig. 5 is the main view of LED light electric cabinet in the prior art；
Fig. 6 is the side view of LED light water cooling box in the prior art；
Fig. 7 is the main view of LED light water cooling box in the prior art.
Description of symbols
1, conveyer belt 2, contact calibrating machine 3, luting machine 4, putty LED UV curing 5, the first priming paint roller 6,
One of priming paint process LED UV curing 7, primer sander 8, the second priming paint roller 9, second priming paint process LED UV are solid
Change machine 10, radium-shine priming paint roller 11, radium-shine priming paint process LED UV curing 12, primer sander 13, LED lamp cover 131,
Sensing scanning device 14, LED lamp tube.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Referring to Fig. 1
Fig. 1 is the top view of novel roller coating production system in the present invention.In Fig. 1, LED UV coating timber roller coating application
Method, the method includes the following steps:
(1) sanding；
(2) LED UV compound type transparent putty, the LED UV compound type transparent putty are preferably kaffir lily coating Co., Ltd, Heshan City
Photocureable coating LUV013, the mass ratio of raw material components are as follows:
(3) LED light source solidifies；
(4) LED UV priming paint, the LED UV priming paint are preferably that the photocuring of kaffir lily coating Co., Ltd, Heshan City applies
Expect LUV112, the mass ratio of raw material components are as follows:
(5) LED light source solidifies；
(6) sanding；
(7) LED UV priming paint, the LED UV priming paint are preferably that the photocuring of kaffir lily coating Co., Ltd, Heshan City applies
Expect LUV112, the mass ratio of raw material components are as follows:
(8) LED light source solidifies；
(9) radium-shine LED UV priming paint, the radium-shine LED UV priming paint are preferably kaffir lily coating Co., Ltd, Heshan City
Photocureable coating LUV122, the mass ratio of raw material components are as follows:
(10) LED light source solidifies；
(11) sanding；
(12) step (3), (5), (8), LED light source solidification uses novel roller coating production system in (10).
Putty in the step (2) is low viscosity compound type transparent putty.
Coating weight in the step (2) is 25~40g/m2。
Radiation energy in the step (3) is 120~180mj/cm2, drying time is 2~5s.
Priming paint in the step (4) is roller coating transparent priming.
Coating weight is 35~50g/m in the step (4)2。
Coating weight is 35~50g/m in the step (7)2。
Radiation energy in the step (8) is 120~180mj/cm2, drying time is 2~5s.
Coating weight is 35~55g/m in the step (9)2。
Radiation energy in the step (10) is 250~350mj/cm2, drying time is 2~5s.
The step (2), (4), (7), the epoxy resin in (9) are preferably Changxing epoxy 621A-80.
The step (2), (4), (7), the modified polyester acrylate ester resin in (9) are preferably the 2316 of double bond chemistry
Model resin, the mass ratio of solid content are 100%.
The step (2), (4), (7), the dispersing agent in (9) are preferably Bi Ke chemistry BYK103 dispersing agent solid content
Mass ratio is 30%.
The step (2), (4), (7), the defoaming agent in (9) are preferably the quality of Ai Fukena EFKA2072 solid content
Than being 20%.
The levelling agent is preferably that the mass ratio of Bi Ke chemistry BYK300 solid content is 50%.
The step (2), (4), (7), the monomer in (9) are NPGDA, which is preferably third that three wooden chemistries provide
Olefin(e) acid esters monomer, molecular weight 212.
The step (2), (4), (7), the talcum powder in (9) are preferably the 800 mesh talcum powder of Guangxi indigo plant butterfly, and zinc powder is excellent
It is selected as the PLB of the Huaming Zhong Shan Thailand.
The step (4), (7), the transparent priming in (9) are preferably the radium-shine roller coating transparent priming of LUV-122LED-UV.
The step (2), (4), (7), the photoinitiator preferred mass in (9) are than 1918 for 1-2 parts of BASF chemistry
(1- hydroxycyclohexyl phenylketone, λmaxIn 395nm), (2,4,6- trimethylbenzoyl is alizarin by the TPO of 0.5-1 parts of BASF chemistry
Ethoxyl phenenyl phosphine oxide), 1173 (2- hydroxy-2-methyl -1- phenylacetone, λ of 3-5 parts of double bond chemistrymax245nm,
280nm, 331nm).
Photoinitiator in the present invention can absorb the light of the 395nm of LED light source sending, and it is anti-to cause active group
It answers.
In the step (12) novel roller coating production system include the contact calibrating machine 2 connected by conveyer belt 1 and with it is greasy
The putty LEDUV curing 4 that handset 3 is sequentially connected and first of priming paint process LEDUV with the transmission connection of the first priming paint roller 5
Curing 6 and primer sander 7 and with the second priming paint roller 8 transmission connection the second bottom road lacquerer sequence LEDUV curing 9 and with
The radium-shine priming paint process LEDUV curing 11 and radium-shine primer sander 12 that radium-shine priming paint roller 10 is sequentially connected, described first
Priming paint process LEDUV curing 6 and second priming paint process LEDUV curing 9 and radium-shine priming paint process LED UV curing 11
End is equipped with the interior LED lamp cover 13 for setting LED lamp tube 14, sets sensing scanning device 131 in the LED lamp cover 13.
The sensing scanning device 131 is set to 13 inner wall of LED lamp cover.
The sensing scanning device 131 is electrically connected with LED lamp tube 14.
The sensing scanning device 131 is in parallel with LED lamp tube 14.
Timber applies material process flow:
Timber is put to sending on conveyer belt 1 to contact calibrating machine 2 and carries out sanding processing, is then applied via luting machine 3 greasy
Son, then solidified via putty LED UV curing 4, the first priming paint roller 5 applies transparent priming, then via first of primer
Sequence LED UV curing 6 carries out curing process, and primer sander 7 carries out sanding processing, is delivered to using the second priming paint roller 8
Second priming paint process LEDUV curing 9 carry out solidification and radium-shine priming paint roller 10 carries out radium-shine prime treatment, then with it is radium-shine
Priming paint roller 10 carries out curing process via the radium-shine priming paint process LEDUV curing 11 of transmission connection again, then via priming paint sanding
Machine 12 carries out sanding processing.
First of priming paint process LEDUV curing 6 and second priming paint process LEDUV curing 9 and radium-shine priming paint process
11 end of LED UV curing is equipped with the interior LED lamp cover 13 for setting LED lamp tube 14, and LED lamp tube 14 is responsible for irradiation solidification by according to product
Coating, set in LED lamp cover 13 sensing scanning device 131 be responsible for induction by according to product by situation.
When being passed through the sensing scanning device 131 of entrance according to product, LED lamp tube 14 is lighted immediately, until by according to product it is whole from
Entire light-source system is opened, LED lamp tube 14 can be extinguished, as long as that is, being one according to product connects one when continuing through, LED light
Pipe 14 can keep persistently illuminating state, if but passed through according to product are intermittent, LED lamp tube 14 can be realized it is intermittent light,
And light energy is to reach setting energy when lighting.
Paint solidification process flow (the step of through production line, parameter)
Embodiment 1
Embodiment 2
Embodiment 3
Embodiment 4
Embodiment 5
Embodiment 6
Film grinability of the present invention is more preferable, reduces the consume of sanding belt, reduces cost；Film levelling is more preferable, and plate face is smooth
Degree is more preferable, reduces the rework rate of paint.LED UV technique power consumption is only original 30%, is over a year what enterprise saved
Cost 60% or so；LED UV solidification does not generate ozone, and ozone becomes primary atmosphere pollution more than VOC, therefore
Ozone, which is administered, will necessarily become new improvement direction, and the investment of this environment protection treating, energy-saving and environmental protection can be saved using LED UV.
Referring to fig. 2
Fig. 2 is LED lamp cover perspective view in Fig. 1.In Fig. 2, first of 6 He of priming paint process LEDUV curing in the present invention
Second priming paint process LEDUV curing 9 and radium-shine 11 end of priming paint process LED UV curing set LED lamp tube in being equipped with
14 LED lamp cover 13 sets sensing scanning device 131 in the LED lamp cover 13.
The sensing scanning device 131 is set to 13 inner wall of LED lamp cover.
Sensing scanning device 131 is electrically connected with LED lamp tube 14, and sensing scanning device 131 is in parallel with LED lamp tube 14.
When sensing scanning device 131 is sensed by according to product by lampshade 13, LED lamp tube 14 is i.e. bright, is not passed through according to product
When, it is effective energy-saving design that LED lamp tube 14, which can be extinguished,.
The essential distinction of curing process process and the prior art: the prior art is mercury lamp solidification, and mercury lamp calorific value is big,
Solidification temperature reaches 80 degrees Celsius or more, easily bakes the adhesive of bad woodwork, causes phenomena such as blistering, falling off, and mercury lamp
Service life is short, and general irradiation 800 hours or so must be replaced, and replacement necessarily leads to mercury pollution；Also being exactly must before mercury lamp is turned on light
It must preheat, therefore it must keep persistently illuminating, even if when batch production, it is also necessary to keep long bright state, be unfavorable in this way
Energy-saving and emission-reduction are finally exactly that mercury lamp can generate ozone, are abatement equipment to be supplemented always；And the curing process process of new technology,
Maximum difference is reduced to 50 degrees centigrades opening solidification temperature, and the adhesive which not will lead to woodwork is rotten, because
This solves the problems, such as wood skin blistering from the root, falls off, and LED light source service life is up to 20000 hours or more, therefore is not also produced
Raw hazardous waste pollution, and LED has the characteristics of instant igniting, therefore can carry out a continuity and intermittent production, is really green
The color energy, and solidification process does not generate ozone.
The coating material solidified substantive difference with the prior art: the coating material solidified essential distinction with the prior art is
The variation of excitation spectrum, LED light spectral line 395nm are the conditions that the prior art can not generate excitation state, but until photoinitiator
The appearance for 1918 models that BASF provides, this technical problem achieve breakthrough, the 1918 model light provided using BASF
Initiator can allow UV active group to generate excitation state under the spectral line of 395nm, carry out realizing crosslinking curing film forming.
Machinery used in solidification is by transformation, the substantive difference with the prior art: solidification machine equipment passes through transformation, with
The maximum difference of the prior art is that machine is provided with sensing scanning device, while being capable of moment point also with LED light source
Bright feature is cooperated, and when being passed through the sensing scanning device of entrance according to product, LED light source is lighted immediately, until by whole according to product
Body leaves entire light-source system, and LED light source can extinguish, as long as that is, being one according to product meets one when continuing through, LED
Light source can keep persistently illuminating state, if but passed through according to product are intermittent, LED light source can be realized it is intermittent light, and
Light energy is to reach setting energy when lighting, and traditional mercury lamp is then to need to preheat 5 minutes or so, can be only achieved wink
When light, therefore using light source this characteristic, curing apparatus be provided with sensing scanning device, be allow this technique and tradition
The most substantive difference of technology.
Referring to Fig. 3
Fig. 3 is LED lamp tube perspective view in Fig. 1.In Fig. 3, LED UV coating timber roller coating application method in the present invention
In fluorescent tube 14 UV LED is refered in particular to using UV-LED, be one kind of LED, wave-length coverage are as follows: 10-400nm.
Sensing scanning device 131 is electrically connected with LED lamp tube 14, and sensing scanning device 131 is in parallel with LED lamp tube 14.
UV LED luminous efficiency: light source technology: light action some when object can pass through, and a part is reflected, and one
Divide and is absorbed.The light being only subsequently absorbed in the material can cause photochemical reaction, and law of light absorption (Beer- is obeyed in the absorption of light
Lambert law)
I=I0e-kl
Molecule is in ground state under normal circumstances, when the excitation of molecule light on the energy bonding orbital low compared with atomic orbital
An electronics jump on the energy antibonding orbital high compared with atomic orbital, i.e., electron transition and enter excitation state, energy be point
Son absorbs and generates outer-shell electron by the transition of ground state to excitation state, i.e.,
△ E=hv
There are many current applicable radiating light sources: mercury vapour arc lamp, including low pressure mercury lamp, medium pressure mercury lamp, high-pressure mercury
Lamp, ultrahigh pressure mercury lamp；Plasma-arc；Laser beam, electrodeless lamp, electron beam；X-ray；And photocureable coating generally uses purple
Outer light (UV) is used as radiating light source.Ultraviolet light is 40~400nm of wavelength, and it is LED that UV-LED, which refers in particular to UV LED,
One kind, wave-length coverage are as follows: 10-400nm.
UVLED luminescence mechanism: the end voltage of PN junction constitutes certain potential barrier, and when adding forward bias voltage, potential barrier declines, P
The majority carrier in area and the area N is spread to other side, since electron mobility is more much bigger than hole mobility, so will appear big
It measures electronics to spread to the area P, constitutes the injection to the area P minority carrier.Hole-recombination on these electronics and valence band, compound tense
Obtained energy is discharged in the form of luminous energy, and here it is the principles that PN junction shines.
The commonly referred to as external quantum efficiency of component is the internal quantum of component and the extraction efficiency of component
Product.The internal quantum of so-called component is exactly the electro-optical efficiency of component itself in fact, mainly with component itself
Characteristic (energy band of such as assembly material, defect, impurity), the base crystalline substance composition of component and structure correlation.And the extraction efficiency of component
Then refer to the photon that component internal generates, after the absorption of component itself, refraction, reflection, reality is in component external
The photon number that can measure.Factor accordingly, with respect to extraction efficiency include the absorption of assembly material itself, component it is several
What structure, the refringence of component and encapsulating material and scattering properties of modular construction etc..And the internal quantum of component with
The product of the extraction efficiency of component is exactly the illumination effect of entire component, that is, the external quantum efficiency of component.Early stage group
Part development concentrates on improving its internal quantum, and main method is to build brilliant structure by improving to build the quality of crystalline substance and change,
So that electric energy is not easily converted into thermal energy, and then improve the luminous efficiency of UVLED indirectly, thus in available 70% or so theory
Portion's quantum efficiency, but such internal quantum is almost already close to the theoretic limit.In such a case, light
Internal quantum by improving component is the light summation that impossible improve component, therefore improves the extraction efficiency of component just
As important research topic.Present method is mainly: the change of crystal grain external form --- TIP structure, surface texture technology.
UVLED electrical characteristic: current control device, load characteristic similar to PN junction UI curve, forward conduction voltage
Little change can cause the great changes (index rank) of forward current, and reverse leakage current very little has breakdown reverse voltage.?
In actual use, UVLED forward voltage increases with temperature and is become smaller, and has negative temperature coefficient.UV LED consumption power, one
Divide and is converted into luminous energy, it is remaining to translate into thermal energy, increase junction temperature.
Other techniques of the invention can use the prior art.
Highly preferred embodiment of the present invention has illustrated, those skilled in the art for the present invention make into one
Step is expanded and each falls within protection scope of the present invention.
Claims (14)
1.LED UV coating timber roller coating application method, it is characterised in that: the method includes the following steps:
(1) sanding；
(2) LED UV compound type transparent putty, the mass ratio of raw material components are as follows:
(3) LED light source solidifies；
(4) LED UV priming paint, the mass ratio of raw material components are as follows:
(5) LED light source solidifies；
(6) sanding；
(7) LED UV priming paint, the mass ratio of raw material components are as follows:
(8) LED light source solidifies；
(9) radium-shine LED UV priming paint, the mass ratio of raw material components are as follows:
(10) LED light source solidifies；
(11) sanding；
(12) step (3), (5), (8), LED light source solidification uses novel roller coating production system in (10).
2. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (2)
Putty be low viscosity compound type transparent putty, the coating weight in the step (2) is 25~40g/m2。
3. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (3)
Radiation energy be 120~180mj/cm2, drying time is 2~5s.
4. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (4)
Priming paint be roller coating transparent priming, coating weight is 35~50g/m in the step (4)2。
5. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (7)
Coating weight is 35~50g/m2。
6. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (8)
Radiation energy be 120~180mj/cm2, drying time is 2~5s.
7. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (9)
Coating weight is 35~55g/m2。
8. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: in the step (10)
Radiation energy be 250~350mj/cm2, drying time is 2~5s.
9. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: the step (2),
(4), (7), the mass ratio of modified polyester acrylate ester resin solid content is 100% in (9), the step (2), (4), (7),
(9) in the mass ratio of dispersing agent solid content be 30%, the step (2), (4), (7), (9) defoaming agent solid content mass ratio be
20%, the step (2), (4), (7), (9) levelling agent solid content mass ratio be 50%, the step (2), (4), (7),
(9) monomer is acrylic ester monomer in, and molecular weight 212, the step (2), (4), (7), the granularity of talcum powder is in (9)
800 mesh, the step (4), (7), transparent priming is radium-shine roller coating transparent priming in (9).
10. LED UV coating timber roller coating application method according to claim 1, it is characterised in that: the step (2),
(4), (7), 1918 (1- hydroxycyclohexyl phenylketone, the λ that photoinitiator is mass ratio 1-2 parts in (9)maxIn 395nm), 0.5-1
The TPO (2,4,6- trimethylbenzoyl madder ethoxyl phenenyl phosphine oxide), 3-5 parts of 1173 (2- hydroxy-2-methyl -1- benzene of part
Benzylacetone, λmaxIn 245nm, 280nm, 331nm).
11. LED UV coating timber roller coating application method according to claim 1, novel roller coating is raw in the step (12)
Production system includes contact calibrating machine by conveying band connection and with the putty LEDUV curing of luting machine transmission connection and with the
First of the priming paint process LEDUV curing and primer sander and be sequentially connected with the second priming paint roller that one priming paint roller is sequentially connected
Second bottom road lacquerer's sequence LEDUV curing and with radium-shine priming paint roller transmission connection radium-shine priming paint process LEDUV curing and
Radium-shine primer sander, it is characterised in that: first of the priming paint process LEDUV curing and second priming paint process LEDUV
Curing and radium-shine priming paint process LED UV curing end set the LED lamp cover of LED lamp tube in being equipped with, in the LED lamp cover
If sensing scanning device.
12. LED UV coating timber roller coating application method according to claim 11, it is characterised in that: the sensing scanning
Device is set to LED lamp cover inner wall.
13. LED UV coating timber roller coating application method according to claim 11, it is characterised in that: the sensing scanning
Device is electrically connected with LED lamp tube.
14. LED UV coating timber roller coating application method according to claim 13, it is characterised in that: the sensing scanning
Device is in parallel with LED lamp tube.
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| CN201910103289.2A CN110170438A (en) | 2019-02-01 | 2019-02-01 | LED UV coating timber roller coating application method |
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| CN111570230A (en) * | 2020-05-26 | 2020-08-25 | 梦天家居集团股份有限公司 | Roller coating process for UV primer and UV finishing coat |
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Application publication date: 20190827 |