CN109266198A - A kind of manufacturing method of automatically cleaning decorative veneer - Google Patents

A kind of manufacturing method of automatically cleaning decorative veneer Download PDF

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Publication number
CN109266198A
CN109266198A CN201811101014.7A CN201811101014A CN109266198A CN 109266198 A CN109266198 A CN 109266198A CN 201811101014 A CN201811101014 A CN 201811101014A CN 109266198 A CN109266198 A CN 109266198A
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China
Prior art keywords
veneer
automatically cleaning
decorative veneer
parts
nano
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CN201811101014.7A
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Chinese (zh)
Inventor
闫文雯
杨勇
沈金祥
丁虎
陆鸣亮
赵建锋
雷梅
鲁守余
沈惠文
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Dehua TB New Decoration MaterialsCo Ltd
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Dehua TB New Decoration MaterialsCo Ltd
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Priority to CN201811101014.7A priority Critical patent/CN109266198A/en
Publication of CN109266198A publication Critical patent/CN109266198A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/0207—Pretreatment of wood before impregnation
    • 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
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • 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
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/36—Aliphatic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C09D133/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662—Synthetic film-forming substance
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662—Synthetic film-forming substance
    • C09D5/1668—Vinyl-type polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1687—Use of special additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The present invention provides a kind of manufacturing method of automatically cleaning decorative veneer, it is characterized in that, this method comprises the following steps: S1, surface preparation: veneer sanding to 300 mesh being immersed in 3% preprocessing solution, soaking time is 10-15min, and treatment temperature is 20-25 DEG C；S2, dipping, drying: by pretreated veneer impregnating resin, spread is controlled in 120%-160%, 90-120 DEG C of drying temperature, time 60-120s；S3, surface coating: by the decorative veneer coated with nano TiO after drying2Research of silicone modified coating, is coated uniformly on veneer after step S2 processing with 50mm/min speed, is then placed on that room epidemic disaster is dried for a week under conditions of 60%-80%, obtains final automatically cleaning decorative veneer.

Description

A kind of manufacturing method of automatically cleaning decorative veneer
Technical field
The invention belongs to wood processing fields, and in particular to a kind of manufacturing method of automatically cleaning decorative veneer.
Background technique
With the continuous development of China's ornament materials industry, decorative veneer not only alleviates China treasure by big well known The imbalance between supply and demand of your timber, decorative effect are also far superior to common impregnated paper veneer, PVC veneer.But decorative veneer itself Just have the attribute of timber, is a kind of porous material and there is anisotropy, the booty itself being easy in absorption air utilizes Wood product surface made from decorative veneer needs constantly cleaning, influences its service life and increases the cost of final-period management.Cause This assigns its automatically cleaning, anti-corrosion and waterproof and other performances by being chemically or physically modified to artificial decoration veneer surface It is of great significance.
Currently, imitating some natural phenomenas to solve the problems, such as the technology of mankind's real life increasingly by the wide of people General concern, self-cleaning surface technology are exactly one of them.There are many examples with excellent self-cleaning surface in nature, Such as " wing of butterfly ", " leaf of cabbage " and " lotus leaf effect " etc..In recent years, with the extensive use of new material, It carries out self-cleaning surface coating processing technology to these materials to be also increasingly taken seriously, automatic cleaning coating, which refers to, is attached to painting Pollutant, dust of layer surface etc. can voluntarily fall off or through coating under the external forces such as gravity, wind-force, rain drop erosion A kind of surface of surface particular matter degradation of contaminant, be generally divided into 1), super-hydrophilic coating: water droplet will be spread out on the surface Water membrane, contaminant particle can be attached on moisture film, prevent it from directly contacting with surface, with the flowing of moisture film, pollutant It will be washed, and reach self-cleaning effect；2) super-hydrophobic coat: it cleans the process that mechanism is similar to lotus leaf surface decontamination, water When drop is slided or rolled on the surface of the material, the dirt of material surface is adsorbed on water drops surface, and taken away material surface, Reach self-cleaning effect.And for both self-cleaning modes, it is main related with wettability of the surface.Drop on the surface of solids Equilibrium configuration determines i.e. (solid gas, solid-liquid, liquid gas interface), when meeting Young's equation, the drop on surface by three phase boundary tension Shape reaches stable.
That is: γsg-γsl=γlgcosθ
In equation, only when drop is very small (millimeter to micron level), gravity is ignored, at this moment, liquid Approximate spherical hat shape, liquid gas interface and the surface of solids intersect drop on the surface, and the angle angle θ, θ is the practical leaching of drop Moisten angle.
Young's equation is the basis of all wetting phenomenas, and in most cases, drop and surface are in partially wetted phenomenon；When The sum of solid-liquid interfacial tension and liquid gas tension are intended to 0 degree in the practical angle that infiltrates when being equal to solid gas interface tension, at this time on surface Drop will spread into thin film out, i.e., full wetting.On the contrary, if drop will use up on surface when practical infiltration angle is 180 degree Possible to gather, surface is nonwetting.
Commonly prepare automatic cleaning coating method have Sol-gel (sol-gel method), plasma method, electrodeposition method, Polymer, nanoparticle method, magnetron sputtering method etc..But above-mentioned preparation method long preparation period, equipment cost is high, energy consumption height, ring Border pollution is big, and obtained coating self-cleaning effect is unobvious.The present invention provides a kind of certainly clear based on photocatalysis super-hydrophobic coat Clean decorative veneer and preparation method thereof, utilizes nano-TiO2It is blended with hydrophobic nano particle, it is thin to be coated uniformly on decoration The surface of wood, is formed on its surface the coating of super-hydrophobicity, so that woodwork has long-term self-cleaning function, after reducing The management cost of phase, improves value-added content of product.
Summary of the invention
To solve the pollutant that existing decorative veneer surface is easy in absorption air, wood product surface obtained needs not Disconnected cleaning influences its service life and increases the cost of final-period management, and existing automatically cleaning technology long preparation period, equipment At high cost, energy consumption is high, environmental pollution is big, and self-cleaning effect is not significant, is not suitable for the defects of large area uses.The present invention provides A kind of manufacturing method method of automatically cleaning decorative veneer, utilizes nano-TiO2It is blended with hydrophobic nano particle, uniformly by it Surface coated in decorative veneer is formed on its surface the coating of super-hydrophobicity, so that woodwork has long-term automatically cleaning function Can, reduce the management cost in later period, improves value-added content of product.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of manufacturing method of automatically cleaning decorative veneer, this method comprises the following steps:
S1, surface preparation: veneer sanding to 300 mesh is immersed in 3% preprocessing solution, soaking time 10- 15min, treatment temperature are 20-25 DEG C；
S2, dipping, drying: by pretreated veneer impregnating resin, spread control is in 120%-160%, dry temperature Spend 90-120 DEG C, time 60-120s；
S3, surface coating: by the decorative veneer coated with nano TiO after drying2Research of silicone modified coating, with 50mm/min Speed is coated uniformly on veneer after step S2 processing, is then placed on room epidemic disaster and is done under conditions of 60%-80% Dry one week, obtain final automatically cleaning decorative veneer；
The wherein nano-TiO in the S32Research of silicone modified coating is prepared by following methods:
S1, in parts by weight, by 10-40 parts of organic silicon nano particles and 5-20 parts of nano-TiOs2Particle is added to In the styrene-acrylic emulsion of 250ml, ultrasonic wave stirs 10-20min, frequency 10-30HZ, forms solution A；
S2, solution A is slowly added into the beaker for filling 90-110 parts of thermoplastic film-forming resins, proper proportion is separately added 4-6 part coalescing agent, 2-8 parts of dispersing agents, 2-8 parts of coupling agents, 6-10 parts of fillers, 1-2 parts of defoaming agents, 0.25-0.75 water not Soluble glucans, ultra micro stir 20-40min, and frequency 10-30HZ is uniformly mixing to obtain nano-TiO2Organosilicon changes coating.
Preferably, the veneer is poplar, the thickness 0.1- that toothed oak is wooden, pinus sylvestris var. mongolica uses slicing, sawing or rotary-cut generation The wood skin of 2mm, moisture content 5-15wt%.
Preferably, NaOH solution, deionized water, concentration that the preprocessing solution is concentration 3% be 15% it is anhydrous Ethyl alcohol.
Preferably, the impregnating resin is light color or colourless transparent or semitransparent resin, preferably melamino-formaldehyde Resin.
Preferably, the organic silicon nano particle is the not octyl front three of nano silica, ten dimethylsilanes, 13 In oxysilane, methyltrimethoxysilane (MTMS), propyl trimethoxy silicane (PTMS) and diphenyl dimethoxy silane One or more mixing.
Preferably, the thermoplastic film-forming resin is polyurethane, the third ethylene of polyphenyl, polymethyl methacrylate.
Preferably, the dispersing agent is six phosphorus meta-acid sodium, acrylate, polyurethane, the coupling agent is KH580, institute Stating coalescing agent is alcohol ester-12, and the filler is talcum powder, and the defoaming agent is butanol.
Nano-TiO2Particle be catalytic self-cleaning material, can under the action of light catalytic degradation organic pollutant, water it is insoluble Property glucan plays the role of stabilizer, water paint quality is steady as big biomolecule in alkaline aqueous coating system Fixed, being applied directly to resin dipping thin wood surface will not chemically react with amino resins, and the degree of adhesion of the two is very high, film forming Fastly, the super-hydrophobic film with self-repair type can be formed on its surface.
The beneficial effects of the present invention are:
The present invention passes through nano-TiO2Be blended with organosilicon, coating obtained can be coated with large area, can be used roller coating, The coating means such as brushing, spraying, are applied directly to decorative veneer surface, do not need any post-processing technology.
Decorative veneer produced by the present invention, surface durability is higher, while it is more to have waterproof, corrosion resistant, uvioresistant etc. Weight effect, and either the hydrophobic of superelevation is all shown under acid-base status or high temperature, low-temperature condition or the irradiation of UV light Property.
Decorative veneer produced by the present invention has good resistance to organic pollutant ability, even if its surface is polluted by oiliness Object is stained, and under the irradiation of UV light, super-hydrophobicity can quickly be restored, and has very excellent long-term self-cleaning function.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be further explained in detail.
Embodiment 1
S1, surface preparation: being the wood skin of 0.1mm thickness by poplar rotary-cut, and sanding to 300 mesh is immersed in concentration 3% In NaOH solution, soaking time 10min, temperature is 20 DEG C,
S2, dipping, drying: impregnating amino resins for pretreated veneer, and through drying, cooling, spread control exists 120%, 90 DEG C of drying temperature, time 60s；
S3, surface coating: by the decorative veneer coated with nano TiO after drying2Research of silicone modified coating, with 50mm/min The uniform coated with nano TiO of speed2Organosilicon changes coating, is then placed on room epidemic disaster dry one under conditions of 60%-80% Obtain final automatically cleaning decorative veneer in week.
The nano-TiO2The pH that organosilicon changes coating is 7.8, and parts by weight composition is as follows:
A kind of nano-TiO2Organosilicon changes the preparation method of coating, includes the following steps:
S1, by nano silica and nano-TiO2Particle is added in the styrene-acrylic emulsion of 250ml with 2:1, and ultrasonic wave stirs 10min, frequency 10HZ are mixed, solution A is formed；
S2, solution A is slowly added into the beaker for filling thermoplastic film-forming resin, the another alcohol ester-that proper proportion is added 12, six phosphorus meta-acid sodium, KH580, talcum powder, butanol, water-insoluble glucan, ultra micro stir 20min, frequency 10HZ, stirring After uniformly, it is coated in veneer surface, obtains super-hydrophobic coat after dry.
Embodiment 2
S1, surface preparation: by the wood skin of toothed oak wood rotary-cut to 1mm, sanding to 300 mesh is immersed in a certain amount of deionization In water, soaking time 12min, treatment temperature is 22 DEG C；
S2, dipping, drying: pretreated veneer is impregnated into amino resins, spread control is dry, cold 140% But, 120 DEG C of drying temperature, time 120s；
S3, surface coating: with the uniform coated with nano TiO of 50mm/min speed2Organosilicon changes coating, be then placed on room temperature, Humidity is dried for a week under conditions of 60%-80%, obtains final automatically cleaning decorative veneer.
The pH that the nano TiO 2-organosilicon changes coating is 8.0, and parts by weight composition is as follows:
A kind of nano-TiO2Organosilicon changes the preparation method of coating, which comprises the steps of:
S1, by 13 not octyl trimethoxy silane nanoparticle and nano-TiOs2Particle is added to the benzene of 250ml with 2:1 In acrylic emulsion, ultrasonic wave stirs 15min, frequency 20HZ, forms solution A；
S2, solution A is slowly added into the beaker for filling thermoplastic film-forming resin, the another alcohol ester-that proper proportion is added 12, acrylate, acrylate, talcum powder, butanol, water-insoluble glucan, ultra micro stir 30min, frequency 20HZ, stirring After uniformly, it is coated in veneer surface, obtains super-hydrophobic coat after dry.
Embodiment 3
S1, surface preparation: pinus sylvestris var. mongolica sanding to 300 mesh is immersed in the ethanol solution that concentration is 15%, leaching The bubble time is 15s, and treatment temperature is 25 DEG C；
S2, dipping, drying: impregnating amino resins for pretreated veneer, and spread control is 160%, through drying, cold But；
S3, surface coating: with the uniform coated with nano TiO of 50mm/min speed2Organosilicon changes coating, be then placed on room temperature, Humidity is dried for a week under conditions of 80%, obtains final automatically cleaning decorative veneer.
The pH that the nano TiO 2-organosilicon changes coating is 8.2, and parts by weight composition is as follows:
A kind of nano-TiO2Organosilicon changes the preparation method of coating, includes the following steps:
S1, by diphenyl dimethoxy silane nanoparticle and nano-TiO2Particle is added to the styrene-acrylic emulsion of 250ml with 2:1 In, ultrasonic wave stirs 20min, frequency 30HZ, forms solution A；
S2, solution A is slowly added into the beaker for filling thermoplastic film-forming resin, the another alcohol ester-that proper proportion is added 12, polyurethane, KH580, talcum powder, butanol, water-insoluble glucan, ultra micro stir 40min, and frequency 30HZ is stirred evenly Afterwards, it is coated in veneer surface, obtains super-hydrophobic coat after dry.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.

Claims (7)

1. a kind of manufacturing method of automatically cleaning decorative veneer, which is characterized in that this method comprises the following steps:
S1, surface preparation: veneer sanding to 300 mesh is immersed in 3% preprocessing solution, soaking time 10- 15min, treatment temperature are 20-25 DEG C；
S2, dipping, drying: by pretreated veneer impregnating resin, spread is controlled in 120%-160%, drying temperature 90- 120 DEG C, time 60-120s；
S3, surface coating: by the decorative veneer coated with nano TiO after drying2Research of silicone modified coating, it is equal with 50mm/min speed It is even dried for a week under conditions of 60%-80% coated in room epidemic disaster on veneer after step S2 processing, is then placed on, Obtain final automatically cleaning decorative veneer；
Wherein, the nano-TiO in the S32Research of silicone modified coating is prepared by following methods:
S1, in parts by weight, by 10-40 parts of organic silicon nano particles and 5-20 parts of nano-TiOs2Particle is added to 250ml's In styrene-acrylic emulsion, ultrasonic wave stirs 10-20min, frequency 10-30HZ, forms solution A；
S2, solution A is slowly added into the beaker for filling 90-110 parts of thermoplastic film-forming resins, the another 4- that proper proportion is added 6 parts of coalescing agents, 2-8 parts of dispersing agents, 2-8 parts of coupling agents, 6-10 parts of fillers, 1-2 parts of defoaming agents, 0.25-0.75 water-insoluble Glucan, ultra micro stir 20-40min, and frequency 10-30HZ is uniformly mixing to obtain nano-TiO2Organosilicon changes coating.
2. the manufacturing method of automatically cleaning decorative veneer according to claim 1, which is characterized in that the veneer be poplar, The wood skin for the thickness 0.1-2mm that toothed oak wood, pinus sylvestris var. mongolica are generated using slicing, sawing or rotary-cut, moisture content 5-15wt%.
3. the manufacturing method of automatically cleaning decorative veneer according to claim 1, which is characterized in that the preprocessing solution is The NaOH solution of concentration 3%, deionized water, the dehydrated alcohol that concentration is 15%.
4. the manufacturing method of automatically cleaning decorative veneer according to claim 1, which is characterized in that the impregnating resin is shallow Color or colourless transparent or semitransparent resin, preferably melamine resin.
5. the manufacturing method of automatically cleaning decorative veneer according to claim 1, which is characterized in that the organic silicon nano grain Son be nano silica, ten dimethylsilanes, 13 not octyl trimethoxy silane, methyltrimethoxysilane (MTMS), The mixing of one or more of propyl trimethoxy silicane (PTMS) and diphenyl dimethoxy silane.
6. the manufacturing method of automatically cleaning decorative veneer according to claim 1, which is characterized in that the thermoplasticity film forming tree Rouge is polyurethane, the third ethylene of polyphenyl, polymethyl methacrylate.
7. the manufacturing method of automatically cleaning decorative veneer according to claim 1, which is characterized in that the dispersing agent is six phosphorus Meta-acid sodium, acrylate, polyurethane, the coupling agent are KH580, and the coalescing agent is alcohol ester-12, and the filler is talcum Powder, the defoaming agent are butanol.
CN201811101014.7A 2018-09-20 2018-09-20 A kind of manufacturing method of automatically cleaning decorative veneer Pending CN109266198A (en)

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CN112025890A (en) * 2020-09-02 2020-12-04 安徽嘉美工艺品有限公司 Processing method for improving surface hydrophobicity of masson pine wood

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CN103409028A (en) * 2013-07-29 2013-11-27 复旦大学 Photocatalytic type self-repairing super-hydrophobic coating and preparation method thereof
CN106433364A (en) * 2016-09-22 2017-02-22 南开大学 Superhydrophobicity coating based on waterborne emulsion and preparing method and application thereof

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CN102501547A (en) * 2011-11-10 2012-06-20 北华大学 Melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process
CN103409028A (en) * 2013-07-29 2013-11-27 复旦大学 Photocatalytic type self-repairing super-hydrophobic coating and preparation method thereof
CN106433364A (en) * 2016-09-22 2017-02-22 南开大学 Superhydrophobicity coating based on waterborne emulsion and preparing method and application thereof

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* Cited by examiner, † Cited by third party
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CN112025890A (en) * 2020-09-02 2020-12-04 安徽嘉美工艺品有限公司 Processing method for improving surface hydrophobicity of masson pine wood

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Application publication date: 20190125