CN108044750A - A kind of method for improving wood surface paint film adhesive force - Google Patents

A kind of method for improving wood surface paint film adhesive force Download PDF

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Publication number
CN108044750A
CN108044750A CN201711172148.3A CN201711172148A CN108044750A CN 108044750 A CN108044750 A CN 108044750A CN 201711172148 A CN201711172148 A CN 201711172148A CN 108044750 A CN108044750 A CN 108044750A
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China
Prior art keywords
paint
sanding
wood surface
lacquer
colour wash
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CN201711172148.3A
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Chinese (zh)
Inventor
彭晓瑞
张占宽
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Research Institute of Wood Industry of Chinese Academy of Forestry
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Research Institute of Wood Industry of Chinese Academy of Forestry
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Priority to CN201711172148.3A priority Critical patent/CN108044750A/en
Publication of CN108044750A publication Critical patent/CN108044750A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
    • B27K5/0035—Electron beam-radiation
    • 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
    • B05D3/14—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 electrical means
    • B05D3/141—Plasma treatment
    • B05D3/145—After-treatment
    • 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
    • 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
    • B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Forests & Forestry (AREA)
  • Plasma & Fusion (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

It is specific as follows the invention discloses a kind of method for improving wood surface paint film adhesive force：1) wood surface after first time sanding covers with paint, lacquer, colour wash, etc. seal coat, second of sanding after drying；2) wood surface after second of sanding covers with paint, lacquer, colour wash, etc. ultraviolet cured primer, third time sanding processing after drying；3) in triplicate or after multiple dielectric impedance low temperature plasma equipment is used to carry out plasma modification processing to ultraviolet cured primer under normal pressure the process of step 2)；The power of corona treatment is 500 4000w, and speed is 1 6m/min, and working gas is air；4) aqueous finish paint and drying are covered with paint, lacquer, colour wash, etc. after plasma modification processing.Method using the present invention carries out plasma modification processing to the ultraviolet cured primer after sanding, roughness and wetability that physical etch improves surface are not only generated on its surface, and introduce active function groups, cross-linked structure layer or production surface free radical are formd, so as to improve adhesive force of the aqueous finish paint on its surface.

Description

A kind of method for improving wood surface paint film adhesive force
Technical field
The invention belongs to woodwork manufacturing technology fields.More particularly, to a kind of improvement wood surface paint film adhesive force Method.
Background technology
China is the country of current timber product's output quantity maximum in the world, particularly timber, timber floor, wooden furniture etc. Production capacity and the output value rank first in the world.One of important materials and method that coating is decorated as wood product surface, by consumer Favorable comment.In recent years, with China's rapid development of economy and the raising of environmental consciousness and the promulgation of national government regulation, solvent-borne type Coating is progressively substituted due to containing the harmful substances such as a large amount of VOC in paint film by ultraviolet-curing paint and water paint.Mesh Before, water-based bottom, the rate of drying of finishing coat process matched therewith are relatively slow, and the activity duration is long, and rise muscle burr, envelope easily occurs in paint film Closing property difference and richness, the problem of clear property and glossiness are relatively poor, therefore in order to improve production efficiency, ensure outside paint film Appearance quality, the technique that more use ultraviolet light (UV) cures priming paint+aqueous one-component or two-component finishing coat in the market.UV light It is to promote decomposition of initiator under the irradiation of ultraviolet light, generate free radicals, trigger resin reaction to change paint, and instantaneous solidification forms a film, Nontoxic, unharmful substance volatilization, painting cost is low, efficient, and yellowing resistance is excellent (not fugitive color), and pot-life is long and paint film is hard It spends, transparency height, is covered with paint, lacquer, colour wash, etc. in this, as multiple tracks priming paint, the glossiness and plumpness of wood product surface covering with paint, paint film can be improved Good hand touch, while meet functional requirement and appearance requirement of the consumer for paint film.
But the hardness of ultraviolet-curing paint is relatively high, and the hardness of water paint is then relatively poor, the two is mating When priming paint, finishing coat, it is susceptible to and causes that ply adhesion is poor, lifting occur in local surfaces, split since hardness of paint film difference is big Phenomena such as line, directly affects the appearance characteristics of woodwork and function improvement.Therefore, a kind of new processing method need to be proposed to ultraviolet Photocureable priming coat carries out twice-modified processing to improve adhesive force of the aqueous finish paint to its UV priming paint.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of sides for improving wood surface paint film adhesive force Method, this method are modified place using dielectric impedance Low Temperature Plasma Treating equipment to wood surface ultraviolet cured primer Reason introduces specific functional group on ultraviolet cured primer surface, generates surface physics etching, forms cross-linked structure layer or generation Surface free radical increases substantially its surface wettability and hydrophily, improves its bond properties to aqueous finish paint, so as to effectively The adhesive force that wood surface covers with paint, lacquer, colour wash, etc. ultraviolet cured primer and aqueous finish paint interlayer is improved, ensures wood product surface coating quality.
A kind of method for improving wood surface paint film adhesive force, includes the following steps：
1) seal coat is covered with paint, lacquer, colour wash, etc. in first time sanding treated wood surface, the seal coat of wood surface is cured dry Second of sanding processing is carried out after dry；
2) ultraviolet cured primer is covered with paint, lacquer, colour wash, etc. in second of sanding treated wood surface, by the UV light of wood surface Third time sanding processing is carried out after changing priming paint drying；
3) process of the step 2) is used into dielectric impedance low temperature plasma equipment in normal in triplicate or after multiple It depresses and plasma modification processing is carried out to the wood surface for covering with paint, lacquer, colour wash, etc. ultraviolet cured primer；The power of the corona treatment For 500-4000w, speed 1-6m/min, working gas is air；
4) plasma modification treated wood surface is covered with paint, lacquer, colour wash, etc. into aqueous finish paint and drying.
Wherein, the power of the corona treatment is the discharge power of dielectric impedance low temperature plasma equipment；Institute The power of corona treatment is stated as 500-4000w, such as：500W, 1kW, 2Kw, 3Kw, 4kW etc.；The corona treatment Speed for 1-6m/min, such as 1m/min, 2m/min, 3m/min, 4m/min, 5m/min, 6m/min etc..
Timber selected by the present invention is porous anisotropic material；Preferably, the timber is natural timber, again Group timber or artificial wooden plate；It is highly preferred that the timber is teak, oak, cherry, beech, husky Billy, birch, eucalyptus Wood, medium-density plate or particieboard etc., the timber make its moisture control in 8%-12% by drying..This is because timber With hygroscopicity can in ambient enviroment dehydration or water suction caused by；Fibre wall is received when Water In Wood excludes Contracting, just expands, the variation of this size of timber can cause paint film cracking, come off, and it is attached to seriously affect paint film when fibre wall absorbs water Put forth effort.For example, if moisture content is excessively high, the infiltration and diffusion of coating on the one hand can be influenced, reduces the viscosity of coating, while not The moisture in coating can be made quickly to volatilize, paint film is made to be difficult to cure, the bond strength of paint film reduces, and is on the other hand applied in wooden furniture It can be generated during decorations due to moisture loss and shrink and internal stress is formed on coating interface, weaken the adhesive force of paint film；It is if wooden Material moisture content is too low, easily timber is caused to deform, and is unfavorable for product surface quality.
Timber is a kind of porous anisotropic material,
Preferably, the ultraviolet cured primer is ultraviolet cured colored paint or ultraviolet light cured varnish.
Preferably, the aqueous finish paint is aqueous one-component varnish or aqueous double-component varnish, and main component is acrylic acid One or both of with polyurethane.
Preferably, the seal coat is aqueous double-component seal coat, aqueous one-component seal coat, UV seal coats Or PU seal coats.
Preferably, the step 4) is specifically realized as follows：
First of aqueous finish paint is covered with paint, lacquer, colour wash, etc. in plasma modification treated wood surface, by the aqueous finish paint of wood surface The 4th sanding processing is carried out after drying；Second aqueous finish paint is covered with paint, lacquer, colour wash, etc. in the 4th sanding treated wood surface and is done It is dry.
In order to improve the richness of paint film and glossiness；Preferably, the sand paper mesh number of the first time sanding processing is 150-180 mesh；The sand paper mesh number of second of sanding processing is 200-320 mesh；The sand paper mesh of the third time sanding processing Number is 320-400 mesh；The sand paper mesh number of the 4th sanding processing is 500-800 mesh.
Preferably, the dielectric impedance low temperature plasma equipment includes one group or two arrays of electrodes；Every group of electrode is included just Extra-high voltage electrode, cathode ground wire electrode and the generation electron ion being arranged between the high-field electrode and cathode ground wire electrode High pressure resistant insulation layer.
Preferably, the gap of the anode high-field electrode and cathode ground wire electrode must not exceed 9mm, such as gap 3mm, 4mm, 5mm or 9mm etc.；This is because interelectrode gap is excessive, then Uniform Discharge cannot be generated between positive and negative electrode cannot even produce Raw discharge ion.
Preferably, the timber and interelectrode distance are 0.5-2mm, such as distance is 0.5mm, 1mm, 1.5mm or 2mm Deng.This is because timber is too small with interelectrode distance, when discharge power is larger or charging rate is slower, timber table is easy to cause Face is locally breakdown or carbonizes, and influences product surface quality；Timber is excessive with interelectrode distance, and is easy to cause ionic activity not Enough make the physical etch of wood surface or chemical change relatively weak, so as to influence the raising of paint film adhesion.
Preferably, described cover with paint, lacquer, colour wash, etc. is to be covered with paint, lacquer, colour wash, etc. by the way of spraying, brushing, roller coat or showering.
For the present invention to reduce production cost, realization industrialization continuous production uses air as plasma working gas, Air dielectric stops that the electric discharge of low temperature plasma is uniform, and production efficiency is high, without vacuumizing, is very suitable for large-scale industry Metaplasia is produced.
Since ultraviolet cured primer and aqueous finish paint belong to high molecular material, resin as its main constituents, The usually high-molecular compound of polymerisation generation, and the active group of high molecular material is more, material is in itself to liquid Wetability it is better, degree of functionality is bigger, and curing rate is faster, and crosslinking degree is higher；Therefore the present invention uses dielectric impedance low temperature Plasma apparatus carries out plasma modification processing to the ultraviolet cured primer after sanding so that ultraviolet cured primer table Face not only creates physical etch and generates a large amount of oxygen-containing functional groups and peroxide, forms cross-linked structure layer or generation Surface free radical increases substantially its surface wettability and hydrophily, so as to be conducive to aqueous finish paint in the good attached of its surface It, improves wood product surface and cover with paint, lacquer, colour wash, etc. production efficiency and presentation quality, shorten the activity duration, while ensure what wood product surface was covered with paint, lacquer, colour wash, etc. Paint film adhesion and surface quality.
The timber that the speed of corona treatment of the present invention refers both to cover with paint, lacquer, colour wash, etc. ultraviolet cured primer passes through dielectric impedance The speed of low temperature plasma equipment.
Beneficial effects of the present invention are as follows：
1st, method using the present invention carries out plasma modification processing to the ultraviolet cured primer after sanding, not only exists Ultraviolet cured primer surface generates the roughness and wetability that physical etch improves its surface, but also cures in ultraviolet light Primed surface introduces specific polar molecule and active function groups, forms cross-linked structure layer or production surface free radical, so as to Substantially improve ply adhesion of the aqueous finish paint on its surface.
2nd, method of the invention carries out corona treatment using dielectric impedance low temperature plasma equipment, true without taking out Sky can be modified the ultraviolet cured primer after sanding processing under normal pressure air, and processing time is short is at low cost, be suitble to Industrialized production.
3rd, the present invention is cured using ultraviolet light, and hardening time is only 5-10s, substantially increases production efficiency.
4th, compared with using traditional aqueous priming paint, ultraviolet cured primer paint film richness of the invention is high, glossiness Good, color inhibition is transparent good.
Specific embodiment
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this The protection domain of invention.
Embodiment 1
A kind of method for improving wood surface paint film adhesive force, includes the following steps：
Step 1:Red oak material is processed into the red oak veneer planed lumber of 300mm × 200mm × 10mm, then by perseverance Constant temperature and humidity processing makes its moisture content be 11%；The red oak veneer that moisture content is 11% carries out first time sand using the sand paper of 180 mesh Light processing；By the red oak veneer surface after sanding using UV roll coating apparatus roller coat UV seal coats, viscosity 80s (applies 4 glasss), coating It measures as 30g/m2, 5s is then dried to UV seal coats using double lamp ultraviolet light curing apparatus, 240 purposes are used after dry Sand paper carries out second of sanding processing, and 45 ° of directions of grinding homogeneity rear-inclined are without sand leakage；
Step 2：By second of sanding treated red oak veneer surface using first of the double roller roller coat of UV roll coating apparatus Ultraviolet light cured varnish, viscosity 60s (apply 4 glasss), coating weight 20g/m2, then using double lamp ultraviolet light curing apparatus to ultraviolet 5s is dried in photocuring varnish, and the sand paper of 320 mesh is used to carry out third time sanding processing, grinding homogeneity rear-inclined after dry 45 ° of directions are without sand leakage；It is operated twice more than repeating；
Step 3：Ultraviolet light cured varnish surface after step 2 sanding is used into dielectric impedance low temperature plasma equipment Plasma modification processing is carried out under normal pressure；The speed of plasma modification processing is 2m/min, power 2kW, work gas Body is air；Red oak veneer is 4mm with plasma discharge gap；
Step 4：First of double-component waterborne polyurethane varnish of spraying, viscosity are in 1h after plasma modification processing 15s (applies 4 glasss), coating weight 18g/m2；Then using cold infra-red drying method to first of double-component waterborne polyurethane varnish into The dry 1h of row；The 4th sanding processing is carried out using the sand paper of 600 mesh after drying, 45 ° of directions of grinding homogeneity rear-inclined are without sand leakage Phenomenon；In the 4th sanding treated red oak veneer surface spraying second double-component waterborne polyurethane varnish, viscosity 15s (applying 4 glasss), coating weight 18g/m2, then second double-component waterborne polyurethane varnish is done using cold infra-red drying method Dry 6h.
Embodiment 2
A kind of method for improving wood surface paint film adhesive force, includes the following steps：
Step 1:Beech timber is processed into the beech veneer planed lumber of 2100mm × 800mm × 10mm, then by perseverance Constant temperature and humidity processing makes its moisture content be 12%；The beech veneer that moisture content is 12% carries out first time sand using the sand paper of 180 mesh Light processing；By the beech veneer surface after sanding using UV roll coating apparatus roller coat UV seal coats, viscosity 90s (applies 4 glasss), coating It measures as 40g/m2, 3s is then dried to UV seal coats using double lamp ultraviolet light curing apparatus, 240 purposes are used after dry Sand paper carries out second of sanding processing, and 45 ° of directions of grinding homogeneity rear-inclined are without sand leakage；
Step 2：By second of sanding treated beech veneer surface using first of the double roller roller coat of UV roll coating apparatus Ultraviolet light cured varnish, viscosity 50s (apply 4 glasss), coating weight 15g/m2, then using double lamp ultraviolet light curing apparatus to ultraviolet 5s is dried in photocuring varnish, and the sand paper of 320 mesh is used to carry out third time sanding processing, grinding homogeneity rear-inclined after dry 45 ° of directions are without sand leakage；It is operated twice more than repeating；
Step 3：Ultraviolet light cured varnish surface after step 2 sanding is used into dielectric impedance low temperature plasma equipment Plasma modification processing is carried out under normal pressure；The speed of plasma modification processing is 3m/min, power 3kW, work gas Body is air；Beech veneer is 3mm with plasma discharge gap；
Step 4：First of water-based mono-component acrylate varnish of spraying in 30min, glues after plasma modification processing It spends for 11s (applying 4 glasss), coating weight 15g/m2；Then using cold infra-red drying method to first of water-based mono-component acrylate 1h is dried in varnish；The 4th sanding processing, 45 ° of directions of grinding homogeneity rear-inclined are carried out using the sand paper of 600 mesh after drying Without sand leakage phenomenon；In the 4th sanding treated beech surface spraying second water-based mono-component acrylate varnish, viscosity For 11s (applying 4 glasss), coating weight 185g/m2, it is then clear to second water-based mono-component acrylate using cold infra-red drying method 6h is dried in paint.
Embodiment 3
A kind of method for improving wood surface paint film adhesive force, includes the following steps：
Step 1:Medium-density plate is processed into the Midst density veneer of 500mm × 300mm × 15mm, it is then permanent by constant temperature Wet process makes its moisture content be 12%；The red oak veneer that moisture content is 11% is carried out using the sand paper of 240 mesh at first time sanding Reason；By the Midst density veneer surface after sanding using UV roll coating apparatus roller coat UV seal coats, viscosity 80s (applies 4 glasss), coating weight For 180g/m2, UV seal coats then are dried in 3s using single lamp ultraviolet light curing apparatus, 240 purposes are used after dry Sand paper carries out second of sanding processing, and 45 ° of directions of grinding homogeneity rear-inclined are without sand leakage；
Step 2：Second of sanding treated Midst density veneer surface is used to the double roller roller coat first of UV roll coating apparatus Road ultraviolet cured colored paint, viscosity 50s (apply 4 glasss), coating weight 120g/m2, then using double lamp ultraviolet light curing apparatus pair 6s is dried in ultraviolet cured colored paint, and the sand paper of 320 mesh is used to carry out third time sanding processing, grinding homogeneity hypsokinesis after dry Oblique 45 ° of directions are without sand leakage；It is operated twice more than repeating；
Step 3：Ultraviolet cured colored paint surface after step 2 sanding is used into dielectric impedance low temperature plasma equipment Plasma modification processing is carried out under normal pressure；The speed of plasma modification processing is 1m/min, power 4kW, work gas Body is air；Midst density veneer is 2mm with plasma discharge gap；
Step 4：After plasma modification processing first of double-component waterborne polyurethane varnish, viscosity are sprayed in 30min For 14s (applying 4 glasss), coating weight 18g/m2；Then using cold infra-red drying method to first of double-component waterborne polyurethane varnish 1h is dried；The 4th sanding processing is carried out using the sand paper of 600 mesh after drying, 45 ° of directions of grinding homogeneity rear-inclined are without leakage Sand phenomenon；The Midst density veneer surface spraying second double-component waterborne polyurethane varnish after the 4th sanding processing, viscosity are 15s (applies 4 glasss), coating weight 18g/m2, then using cold infra-red drying method to second double-component waterborne polyurethane varnish into The dry 6h of row.
Embodiment 4
Through lot of experiment validation, the speed and power of method plasma modification of the invention are that influence paint film is attached The key factor puted forth effort；Therefore it is reference with embodiment 1, changes the speed and power of 1 plasma modification of embodiment, Investigate influence of the plasma modification treatment process to ultraviolet cured primer and aqueous finish paint paint film adhesion.Paint film adhesion Test method refers to《The paint film lattice drawing experiment of GB/T 9286-1998 paint and varnish》Standard；Test result see the table below 1.
Influence of the speed and power of 1 plasma modification of table processing to paint film adhesion
Note：Plasma modification processing speed is 0, and power represents the veneer during covering with paint, lacquer, colour wash, etc. without plasma for 0 Modification, this model sample as a comparison.
As seen from Table 1, the interlayer between ultraviolet cured primer and aqueous finish paint without plasma modification processing is attached Put forth effort relatively poor, be only 3-4 grade, relevant criterion requirement can not be met, product quality is difficult to ensure that, and use dielectric impedance etc. During gas ions modification equipment modification, surface modification effect has very big with plasma modification processing speed and power Relation mainly has with the veneer surface physics etching degree caused by plasma discharge energy size and chemical functional group's growing amount It closes.
When the speed of plasma modification processing is 1m/min, with the increase of plasma modification processing power, layer Between paint film adhesion gradually increase；When the power of plasma modification processing is 3m/min, as plasma modification handles speed The reduction of degree, interlayer paint film adhesion gradually increase；It follows that with plasma modification processing power increase and wait Gas ions modification speed slows down, then plasma discharge energy value increases, the hydrophilic active base of ultraviolet light solidified surface Group increases, and surface roughness increase, wetability improves, and is conducive to attachment of the aqueous finish paint on its surface so that ply adhesion It significantly improves.But surface discolouration, nigrescence etc. caused by the over etching meeting of ultraviolet cured primer are asked in view of plasma Topic is generally still needed to corona treatment power and processing speed control in certain zone of reasonableness.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention for those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair The obvious changes or variations that bright technical solution is extended out is still in the row of protection scope of the present invention.

Claims (10)

  1. A kind of 1. method for improving wood surface paint film adhesive force, which is characterized in that include the following steps：
    1) cover with paint, lacquer, colour wash, etc. seal coat in first time sanding treated wood surface, by the seal coat of wood surface cure it is dry after Carry out second of sanding processing；
    2) ultraviolet cured primer is covered with paint, lacquer, colour wash, etc. in second of sanding treated wood surface, by the ultraviolet light cured base of wood surface Third time sanding processing is carried out after paint is dry；
    3) process of the step 2) is used into dielectric impedance low temperature plasma equipment under normal pressure in triplicate or after multiple Plasma modification processing is carried out to the wood surface for covering with paint, lacquer, colour wash, etc. ultraviolet cured primer；The power of the corona treatment is 500-4000w, speed 1-6m/min, working gas are air；
    4) plasma modification treated wood surface is covered with paint, lacquer, colour wash, etc. into aqueous finish paint and drying.
  2. 2. according to the method described in claim 1, it is characterized in that, the timber is teak, oak, cherry, beech, husky ratio Profit, birch, Eucalyptus, medium-density plate or particieboard, the timber make its moisture control in 8%-12% by drying.
  3. 3. according to the method described in claim 1, it is characterized in that, the ultraviolet cured primer for ultraviolet cured colored paint or Ultraviolet light cured varnish.
  4. 4. according to the method described in claim 1, it is characterized in that, the aqueous finish paint is aqueous one-component varnish or aqueous double Component varnish, main component are one or both of acrylic acid and polyurethane.
  5. 5. according to the method described in claim 1, it is characterized in that, the seal coat is aqueous double-component seal coat, water Property one-component seal coat, UV seal coats or PU seal coats.
  6. 6. according to the method described in claim 1, it is characterized in that, the step 4) is specifically realized as follows：
    First of aqueous finish paint is covered with paint, lacquer, colour wash, etc. in plasma modification treated wood surface, the aqueous finish paint of wood surface is dried The 4th sanding processing is carried out afterwards；Second aqueous finish paint and drying are covered with paint, lacquer, colour wash, etc. in the 4th sanding treated wood surface.
  7. 7. according to the method described in claim 1, it is characterized in that, the dielectric impedance low temperature plasma equipment includes one group Or two arrays of electrodes；Every group of electrode includes high-field electrode, cathode ground wire electrode and is arranged on the high-field electrode and cathode ground wire The high pressure resistant insulation layer of generation electron ion between electrode.
  8. 8. the method according to the description of claim 7 is characterized in that the gap of the high-field electrode and cathode ground wire electrode must not More than 9mm；The timber is 0.5-2mm with interelectrode distance.
  9. 9. according to the method described in claim 6, it is characterized in that, the sand paper mesh number of first time sanding processing is 150- 180 mesh；The sand paper mesh number of second of sanding processing is 200-320 mesh；The sand paper mesh number of third time sanding processing is 320-400 mesh；The sand paper mesh number of the 4th sanding processing is 500-800 mesh.
  10. 10. according to the method described in claim 1, it is characterized in that, described cover with paint, lacquer, colour wash, etc. is using spraying, brushing, roller coat or showering Mode cover with paint, lacquer, colour wash, etc..
CN201711172148.3A 2017-11-22 2017-11-22 A kind of method for improving wood surface paint film adhesive force Pending CN108044750A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109016034A (en) * 2018-08-07 2018-12-18 安徽昌发实业有限公司 A kind of processing method improving woodwork integrated quality
CN109808397A (en) * 2019-01-25 2019-05-28 中国林业科学研究院木材工业研究所 A kind of method of PP decorating film facing
CN109988334A (en) * 2019-04-08 2019-07-09 中国林业科学研究院林业新技术研究所 A kind of method of using plasma MODIFIED PP decorating film facing
CN111570232A (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 water-based finish paint
CN115318604A (en) * 2022-08-22 2022-11-11 浙江省林业科学研究院 Continuous quick drying method for water-based paint film of bamboo product

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106272802A (en) * 2016-08-03 2017-01-04 东北林业大学 A kind of water coating transfer wood plastic product and preparation method thereof
CN106670076A (en) * 2015-11-11 2017-05-17 徐州冠宁木业有限公司 Spraying method for water-based two-component wood paint for teenage furniture
CN107030802A (en) * 2016-12-26 2017-08-11 中国林业科学研究院木材工业研究所 The method that plasma modification improves composite and flexible decorative veneer and surface finish interface glue performance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106670076A (en) * 2015-11-11 2017-05-17 徐州冠宁木业有限公司 Spraying method for water-based two-component wood paint for teenage furniture
CN106272802A (en) * 2016-08-03 2017-01-04 东北林业大学 A kind of water coating transfer wood plastic product and preparation method thereof
CN107030802A (en) * 2016-12-26 2017-08-11 中国林业科学研究院木材工业研究所 The method that plasma modification improves composite and flexible decorative veneer and surface finish interface glue performance

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109016034A (en) * 2018-08-07 2018-12-18 安徽昌发实业有限公司 A kind of processing method improving woodwork integrated quality
CN109016034B (en) * 2018-08-07 2020-12-01 安徽昌发实业有限公司 Treatment method for improving comprehensive quality of wood products
CN109808397A (en) * 2019-01-25 2019-05-28 中国林业科学研究院木材工业研究所 A kind of method of PP decorating film facing
CN109988334A (en) * 2019-04-08 2019-07-09 中国林业科学研究院林业新技术研究所 A kind of method of using plasma MODIFIED PP decorating film facing
CN109988334B (en) * 2019-04-08 2021-04-20 中国林业科学研究院林业新技术研究所 Method for modifying PP decorative film veneer by adopting plasma
CN111570232A (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 water-based finish paint
CN115318604A (en) * 2022-08-22 2022-11-11 浙江省林业科学研究院 Continuous quick drying method for water-based paint film of bamboo product

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