CN104493940A - Veneer UV-painting (ultraviolet painting) method - Google Patents

Veneer UV-painting (ultraviolet painting) method Download PDF

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Publication number
CN104493940A
CN104493940A CN201410667126.4A CN201410667126A CN104493940A CN 104493940 A CN104493940 A CN 104493940A CN 201410667126 A CN201410667126 A CN 201410667126A CN 104493940 A CN104493940 A CN 104493940A
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China
Prior art keywords
wooden skin
veneer
paint
square meter
skin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410667126.4A
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Chinese (zh)
Inventor
陆琪丰
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DEQING DEWO DECORATIVE MATERIAL Co Ltd
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DEQING DEWO DECORATIVE MATERIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by DEQING DEWO DECORATIVE MATERIAL Co Ltd filed Critical DEQING DEWO DECORATIVE MATERIAL Co Ltd
Priority to CN201410667126.4A priority Critical patent/CN104493940A/en
Publication of CN104493940A publication Critical patent/CN104493940A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment 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
    • B05D3/06Pretreatment 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
    • B05D3/061Pretreatment 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.
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00Other substrates
    • B05D2203/20Wood or similar material

Abstract

The invention discloses a veneer UV-painting (ultraviolet painting) method. The method includes the steps of 1, performing softening, to be specific, cutting a veneer to the thickness of 0.15 to 0.5mm, performing direct splicing, and performing conventional softening after a nonwoven layer is bonded to the veneer; 2, applying adhesive UV paint, to be specific, applying 10 to 15g of adhesive UV paint per square meter under the controlled workpiece humidity of 10 to 12% so as to enhance adhesion with primer; 3, applying elastic putty, to be specific, directly applying 50 to 80g of the elastic putty per square meter after the adhesive UV paint is applied, and filling pits and the like in the surface of the veneer; 4, performing UV curing, to be specific, performing curing with a curing machine with the power of 600 to 1000W, under the conveying speed of the veneer being 25 to 28m/min; 5, repeating the steps 2 and 4 twice to ensure that the thickness of a surface coating is 5 to 10 decimillimeters; 6, applying 15 to 20g of elastic UV sanding primer per square meter, performing UV curing, performing polishing with a sander, performing surface dedusting, and performing winding.

Description

A kind of method of UV paint on wooden skin
Technical field
The present invention relates to a kind of preparation method decorating wooden skin, particularly the high imitative solid wood method of UV paint on wooden skin, belongs to wood processing field.
Background technology
In wood furniture makes, in order to beautify products appearance, improve serviceability, protection surface, improves intensity, and medium-to-high grade furniture or woodwork all will carry out surperficial facing or veneer (pasting wooden skin) process.Pasting wooden skin is the surface wooden hide glue with rare tree characteristic being attached to base material or plate type part, and component surface can be made to retain the good characteristic of timber and have the sense of reality of natural wood grain and tone, is a kind of high-grade decorative faced technique.When Furniture Factory carries out pasting wooden skin operation, uniform temperature need be applied to wooden skin, impel PUR to melt and make it produce cementation to wooden skin and density board etc., and in the process, due to the drastic deformation of high temperature and wooden skin, part wood skin can be caused to produce ftracture, the adverse consequences such as to peel off and cause product to be done over again or scrap, improve production cost.Use UV paint in veneer surface roller coat protection aesthetic layer, then greatly can avoid the adverse consequences produced when pasting wooden skin operation.UV paint is the english abbreviation of Ultraviolet Curing Paint, i.e. ultraviolet light cured paint, also claims light-initiated coating, photocureable coating.It is by the automatic roller coat of machinery equipment, showering on furniture plate surface, and at ultraviolet light, (wavelength impels decomposition of initiator under being the irradiation of 32 (T390nm), produces free radical, causes resin reaction, instantaneous solidification film forming.Nineteen sixty-eight, the UV that namely develops for furniture application of BAYER company of Germany painted.
Current veneer wood skin thickness is generally 0.30 ~ 0.45mm, because veneer wood leatherware has beautiful wood grain, can be consistent, thus guaranteeing, under the prerequisite that door and window is attractive in appearance, to play the effect of cost declining, environmental protection with other exposed face of door-plate or window frame.But because wooden skin thickness is very thin, therefore traditional be all carry out japanning again wrap wooden skin on furniture after, waste time and energy, prior art has first carries out the technique of finish paint on lagging again to UV paint on wooden skin, paste veneer surface UV paint processing technology as CN 103507134 A discloses one: be 20 DEG C ~ 25 DEG C in room temperature, ambient humidity is in the processing environment of 40% ~ 60%, with the wooden skin unwinding volume of coil opening machine by rolling, become the wooden belt of plane, then floating dust is removed in turn, painted, homochromatic, heating, drying, flatiron leveling, heat is coated with hot melt enamelled coating, roller coat UV prime coat, solidification, rolling, leave standstill 48 ~ 72 hours, loose winding, sanding, pasted steel, on the exposed face of wooden door and window, and cut unnecessary part, finally to steel, wooden door and window integral spray pu top coat layer.
But its suppleness of wooden skin that prior art is produced or not high enough, be easy to occur after lagging crackle or out-of-flatness docile; In addition, surface is smooth not, and mirror effect is not too obvious, seems that class is not high enough.
The present inventor, in long-term production practices, finds when Optimizing Process Parameters, and under specific parameter, it is very simple to produce operation, and very thin, suppleness does not well ftracture, the wooden skin of mirror effect remarkable outward appearance top grade, and steady quality is lasting.
Summary of the invention
Based on the technical problem that background technology exists, the invention provides the technique of the paint of UV on a kind of wooden skin newly, by the condition of Optimization Technology, obtain very thin, suppleness does not well ftracture, the wooden skin of mirror effect remarkable outward appearance top grade.
Technical scheme of the present invention is as follows:
A method for UV paint on wooden skin, is characterized in that its step is as follows:
(1) softening: it is 0.15-0.5mm that wooden skin is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: workpiece moisture control in 10-12% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 10-15 gram of every square meter, for strengthening the adhesive force with spirit;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 50-80 gram of every square meter;
(4) UV solidification: be that 600-1000WUV curing is cured with power, ensure during solidification that wooden skin transfer rate is per minute at 25-28m;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 5-10 silk;
(6) upper UV sanding priming paint: consumption is 15-20 gram of every square meter, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
Usefulness of the present invention is:
1, repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 5-10 silk, because if the too thick meeting of disposable painting is easily split, and planarization is bad, if be only coated with once, coating is too thin, and polishing can damage wooden skin;
2, the consumption of upper UV paint is 10-15 gram of every square meter, and this consumption can not be too much, and the wooden skin produced is very soft, if UV paint can make wooden skin really up to the mark too much;
3, the present invention is simple to operation, is applicable to large-scale production, and low production cost;
4, the invention provides the technique of the paint of UV on a kind of wooden skin newly, by the condition of Optimization Technology, under the synergy of each technological parameter, obtain very thin, suppleness does not well ftracture, the wooden skin of mirror effect remarkable outward appearance top grade.
Detailed description of the invention
Embodiment 1:
A method for UV paint on wooden skin, is characterized in that its step is as follows:
(1) softening: it is 0.15mm that the wooden skin of red oak is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: workpiece moisture control in 10% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 10 grams of every square meters, for strengthening the adhesive force of wooden skin and putty lacquer;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 50-60 gram of every square meter;
(4) UV solidification: be cured by UV curing, ensure during solidification that wooden skin transfer rate is per minute at 28m;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 5-8 silk;
(6) upper UV sanding priming paint: consumption is 15-20 gram of every square meter, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
Embodiment 2:
A method for UV paint on wooden skin, is characterized in that its step is as follows:
(1) softening: it is 0.25mm that the wooden skin of Thailand's teak is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: workpiece moisture control in 12% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 10 grams of every square meters, for strengthening the adhesive force with priming paint;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 60-80 gram of every square meter;
(4) UV solidification: be cured by UV curing, ensure during solidification that wooden skin transfer rate is per minute at 25m;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 6;
(6) upper UV elasticity sanding priming paint: consumption is 18 grams of every square meters, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
Embodiment 3:
A method for UV paint on wooden skin, is characterized in that its step is as follows:
(1) softening: it is 0.2mm that the wooden skin of red oak is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: in 11% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 13 grams of every square meters, for strengthening the adhesive force of wooden skin and putty lacquer;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 50-60 gram of every square meter;
(4) UV solidification: be cured by UV curing, ensure during solidification that wooden skin transfer rate is per minute at 25m;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 5-8 silk;
(6) upper UV elasticity sanding priming paint: consumption is 20 grams of every square meters, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
Embodiment 4:
A method for UV paint on wooden skin, is characterized in that its step is as follows:
(1) softening: it is 0.3mm that the wooden skin of Thailand's teak is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: workpiece moisture control in 10% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 10-15 gram of every square meter, for strengthening the adhesive force with spirit;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 50-60 gram of every square meter;
(4) UV solidification: be cured by UV curing, ensure during solidification that wooden skin transfer rate is per minute at 27m;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 5-8 silk;
(6) upper UV paint: consumption is 20 grams of every square meters, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
Embodiment 5:
A method for UV paint on wooden skin, is characterized in that its step is as follows:
(1) softening: it is 0.5mm that the wooden skin of red oak is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: workpiece moisture control in 12% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 10 grams of every square meters, for strengthening the adhesive force with spirit;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 70-80 gram of every square meter;
(4) UV solidification: be cured by UV curing, ensure during solidification that wooden skin transfer rate is per minute at 28m;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 10;
(6) upper UV elasticity sanding priming paint: consumption is 15-20 gram of every square meter, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
Embodiment 6: index is tested and assessed
The wooden skin obtained by embodiment 1-5 is very thin, suppleness, mirror effect remarkable, and outward appearance is high-grade.
The cross cut test of paint and varnish paint film: test by standard GB/T9286-1998, result of the test is divided into 0 grade to 5 grades, and wherein 0 grade illustrates that adhesive force is best, and 5 grades is the poorest.The UV paint of the above embodiment of the present invention 1-5 all reaches 0 grade, illustrates that the method for UV paint in the present invention has splendid adhesive force.
Select the wooden skin of art methods different cultivars respectively as contrast test 1 and contrast test 2.
By conventional method, lagging is carried out to common door and window, can see that the wooden skin suppleness that the present invention obtains significantly improves, the phenomenon do not ftractureed completely, and contrast test 1-2 there is the irregular phenomenon of cracking often.In addition, the wooden micromicro that the present invention obtains is for the lagging of Special-shaped object, and as spherical, and contrast test 1-2 cannot be used for the lagging (cracking out-of-flatness phenomenon is serious) of Special-shaped object.
In addition, relative to contrast experiment 1-2, the wooden skin mirror effect that the present invention obtains is significantly many, and outward appearance top grade is generous.
Also what deserves to be explained is, if by similar method, but time technic index does not fall into the scope of the invention, also be can not prepare out pliable and tough, quality lasting stability, the wooden skin that mirror effect is splendid, as can be seen here, technological parameter of the present invention serves certain synergy.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (3)

1. the method that on wooden skin, UV paints, is characterized in that its step is as follows:
(1) softening: it is 0.15-0.5mm that wooden skin is cut into thickness, at finger joint splicing, carry out routine after pasting nonwoven layer and soften;
(2) upper UV adhesion primer: workpiece moisture control in 10-12% humidity, under the working environment of room temperature, upper UV adhesion primer, use amount is 10-15 gram of every square meter, for strengthening the adhesive force with spirit;
(3) upper bouncing putty: directly apply bouncing putty after being painted with UV adhesion primer, fill the shrinkage pool etc. of veneer surface, consumption is at 50-80 gram of every square meter;
(4) UV solidification: be that 600-1000W UV curing is cured with power, ensure during solidification that wooden skin transfer rate is per minute at 25-28;
(5) repeat step (2) to (4) twice, ensure that the thickness of surface coating layer is at 5-10 silk;
(6) upper UV sanding priming paint: consumption is 15-20 gram of every square meter, then enters the solidification of UV line, then goes up sander polishing, surface dust, rolling.
2. the method that on wooden skin according to claim 1, UV paints, wherein wooden skin is red oak wood skin or Thailand's teak wood skin.
3. the wooden skin that the method described in claim 1-2 prepares.
CN201410667126.4A 2014-11-20 2014-11-20 Veneer UV-painting (ultraviolet painting) method Pending CN104493940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105128112A (en) * 2015-08-11 2015-12-09 阜阳祥云木业有限公司 Production process of wooden doors
CN105150335A (en) * 2015-08-11 2015-12-16 阜阳祥云木业有限公司 Production process for wood floor
CN106671214A (en) * 2017-03-06 2017-05-17 东莞市众金家具有限公司 Novel environment-friendly attaching skin machining technology
CN108908544A (en) * 2018-07-03 2018-11-30 广东尚联新材料科技有限公司 A kind of ultra-wide high abrasion can plastic uptake, coat environmentally friendly wood skin preparation method
CN109278147A (en) * 2018-11-28 2019-01-29 福建农林大学 A kind of processing method of imitative solid wood annual ring charcoal

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169005A (en) * 1977-09-01 1979-09-25 Champion International Corporation Method for surfacing a wood panel with a plastic film
JP3077340B2 (en) * 1991-12-13 2000-08-14 凸版印刷株式会社 Manufacturing method of decorative veneer sheet
CN102061125A (en) * 2010-12-17 2011-05-18 江苏海田技术有限公司 UV (Ultra-Violet)-high elastic putty
CN201900760U (en) * 2010-12-17 2011-07-20 上海荷雨木业有限公司 Plate coated with environment-friendly UV layer
CN202439304U (en) * 2012-03-02 2012-09-19 浙江临亚股份有限公司 Weather-proof flexible veneer
CN103341896A (en) * 2013-06-28 2013-10-09 江苏海田技术有限公司 Wood veneer pre-coating process
CN203611633U (en) * 2013-06-21 2014-05-28 金华市海日家居用品有限公司 Ultraviolet photocuring coating decorative board
CN104004395A (en) * 2014-06-17 2014-08-27 广东美涂士建材股份有限公司 UV roller coat elastic under-coating paint used for wood veneer and preparing method and construction process of UV roller coat elastic under-coating paint

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169005A (en) * 1977-09-01 1979-09-25 Champion International Corporation Method for surfacing a wood panel with a plastic film
JP3077340B2 (en) * 1991-12-13 2000-08-14 凸版印刷株式会社 Manufacturing method of decorative veneer sheet
CN102061125A (en) * 2010-12-17 2011-05-18 江苏海田技术有限公司 UV (Ultra-Violet)-high elastic putty
CN201900760U (en) * 2010-12-17 2011-07-20 上海荷雨木业有限公司 Plate coated with environment-friendly UV layer
CN202439304U (en) * 2012-03-02 2012-09-19 浙江临亚股份有限公司 Weather-proof flexible veneer
CN203611633U (en) * 2013-06-21 2014-05-28 金华市海日家居用品有限公司 Ultraviolet photocuring coating decorative board
CN103341896A (en) * 2013-06-28 2013-10-09 江苏海田技术有限公司 Wood veneer pre-coating process
CN104004395A (en) * 2014-06-17 2014-08-27 广东美涂士建材股份有限公司 UV roller coat elastic under-coating paint used for wood veneer and preparing method and construction process of UV roller coat elastic under-coating paint

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105128112A (en) * 2015-08-11 2015-12-09 阜阳祥云木业有限公司 Production process of wooden doors
CN105150335A (en) * 2015-08-11 2015-12-16 阜阳祥云木业有限公司 Production process for wood floor
CN106671214A (en) * 2017-03-06 2017-05-17 东莞市众金家具有限公司 Novel environment-friendly attaching skin machining technology
CN108908544A (en) * 2018-07-03 2018-11-30 广东尚联新材料科技有限公司 A kind of ultra-wide high abrasion can plastic uptake, coat environmentally friendly wood skin preparation method
CN109278147A (en) * 2018-11-28 2019-01-29 福建农林大学 A kind of processing method of imitative solid wood annual ring charcoal
CN109278147B (en) * 2018-11-28 2020-12-29 福建农林大学 Processing method of imitated solid wood growth ring charcoal

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Application publication date: 20150408