CN110029795A - A kind of thin skin multi-layer solid wood composite floor - Google Patents

A kind of thin skin multi-layer solid wood composite floor Download PDF

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Publication number
CN110029795A
CN110029795A CN201910383762.7A CN201910383762A CN110029795A CN 110029795 A CN110029795 A CN 110029795A CN 201910383762 A CN201910383762 A CN 201910383762A CN 110029795 A CN110029795 A CN 110029795A
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CN
China
Prior art keywords
layer
coating
composite floor
solid wood
resin
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Pending
Application number
CN201910383762.7A
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Chinese (zh)
Inventor
张峰
钟伟
陶云科
刘家福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
POWER DEKOR GROUP CO Ltd
GUANGZHOU HOMEBON TIMBER CO Ltd
Original Assignee
POWER DEKOR GROUP CO Ltd
GUANGZHOU HOMEBON TIMBER CO Ltd
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Application filed by POWER DEKOR GROUP CO Ltd, GUANGZHOU HOMEBON TIMBER CO Ltd filed Critical POWER DEKOR GROUP CO Ltd
Priority to CN201910383762.7A priority Critical patent/CN110029795A/en
Publication of CN110029795A publication Critical patent/CN110029795A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E04F15/041Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top layer of wood in combination with a lower layer of other material
    • E04F15/043Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top layer of wood in combination with a lower layer of other material the lower layer being of organic plastic with or without reinforcements or filling materials

Abstract

The invention belongs to technical field of construction and decoration materials; it is related to floor; more particularly to a kind of impact resistance is good; the thin skin multi-layer solid wood composite floor of resistance to dent; ontology is the hard base of substrate layer and adherency thereon; it has been sequentially overlapped gluing oxidant layer, decoration wood skin layer in hard substrate surface, has been equipped with transparent protective layer on decoration wood skin layer.The present invention forms hard base by the way that the wood-fibred and inorganic filler of resin and surface preparation are arranged between multi-plywood and decoration wood skin layer so that decoration wood skin has the substrate of one layer of high rigidity;Simultaneously in the transparent protective layer of surface setting high rigidity.Load capacity, the impact resistance on multi-layer solid wood composite floor surface can be improved using such structure, floor surface is not likely to produce dent.Wherein, multi-layer solid wood composite floor surface transparent protective layer hardness >=5H, detection method is according to the 6.3.6 requirement in GB/T 18103-2013;Multi-layer solid wood composite floor impact resistance≤9mm, detection method is according to the 6.3.16 requirement in GBT 18102-2007.

Description

A kind of thin skin multi-layer solid wood composite floor
Technical field
The invention belongs to technical field of construction and decoration materials, it is related to floor more particularly to a kind of impact resistance is good, it is resistance to recessed The thin skin multi-layer solid wood composite floor of trace.
Background technique
Continuous with well-decorated house is popularized, and multi-layer solid wood composite floor is since it is natural, environmental protection has variation nature line Reason becomes the preferred pavement of house fitting-up.However the rare resources the next in short supply, so that multi-layer solid wood composite floor dash board It is more and more thinner, generally in 0.1~1mm.In use, when floor surface is by heavy load (such as dragging heavy, it is high Trampled with heel of a shoe), dent can be left on surface.For example, putting furniture in household room for a long time, long-term load will result in floor Surface generates the phenomenon that dent.
Thin skin multi-layer solid wood composite floor surface generation dent is related with the density of substrate, and thin skin multi-layer solid wood is compound at present The substrate on ground is made of multi-plywood.It is limited due to scarcity of resources, to the harvesting of wood, multi-plywood is mostly that fast growing wood overlays It is made, such as Eucalyptus, poplar.Glued board made of these fast growing woods, material is generally partially soft, and density is in 0.5~0.6g/m3It Between, load-bearing property, impact resistance are poor.Using the glued board of this low-density, when multi-layer solid wood composite floor surface is by heavy duty After lotus, it is uneven that surface is easy recess.
Currently, have in the industry by improving floor surface hardness of paint film, promote floor surface hardness to solve the problems, such as this.Example Such as the production method of patent CN201010143118 10000-revolution level super wear-resisting solid wood floorboard, by increase floor paint application frequency and The wear-resistant primer after matching is coated with to increase the hard bottom of floor surface and wear-resisting revolution.But this scheme is just for independent body solid wood Floor, do not specify floor base plate density, while do not illustrate yet paint film increase firmly can improve floor by heavy load and for a long time Surface does not generate the performance of dent when load.In another example patent CN200910302132, a kind of life of wood floors of blue and white porcelain technology Production method achievees the effect that hardness of paint film is high by forming the clear enamel lacquer painting of one layer of matter heavily fortified point color on floor paint surface.Together Sample, this scheme do not specify the density of floor base plate, and also can not illustrating that paint film increases firmly improve floor by heavy load and for a long time Surface does not generate the performance of dent when load.
If matrix density is too low, material is soft, even if improving the hardness of paint film, floor load can not be avoided to cross repeating transmission Raw depressed phenomenon.And blocked up paint film really up to the mark easily becomes fragile, and is also easy to happen paint film breakage.
Therefore, a kind of thin skin multi-layer solid wood composite floor is developed, even if in use density in 0.60 g/m3Following glued board In the case where substrate, it may have excellent resistance to concavity becomes necessary.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a kind of thin skin multi-layer solid wood is compound Floor, surface have good hardness, dent do not occur surface in the case where heavy load.
Technical solution
A kind of thin skin multi-layer solid wood composite floor, ontology are substrate layer and adherency hard base thereon, hard substrate surface successively It is superimposed with gluing oxidant layer, decoration wood skin layer, is equipped with transparent protective layer on decoration wood skin layer, the transparent protective layer is by multiple Coating composition, with a thickness of 200~400 μm, hardness of paint film >=5H.
In the more excellent disclosed example of the present invention, the substrate layer is multi-plywood, and there is no limit usually 3~10 for the number of plies Layer, preferably 6~9 layers;Also there is no limit with a thickness of 5~18mm, preferably 8~15mm for its thickness.Glued board density≤0.60 g/ m3.The multi-plywood being made of common fast growing wood, such as Eucalyptus, poplar, Liu An etc..
In the more excellent disclosed example of the present invention, the hard base is adhered to substrate layer surface, by the wood of resin and surface preparation Fiber and inorganic filler mixture composition, coating weight are 150~300g/ ㎡, wherein resin, surface preparation wood-fibred and nothing The mass ratio of machine filler is 65~85:10~20:0~5.The wood-fibred of surface preparation and inorganic filler are equably divided It dissipates and is mixed in resin, be coated on multi-plywood, be formed by curing hard base.
Further, the resin is thermosetting resin, including but not limited to: melamine-urea cocondensation resin, silicon tree Rouge, phenolic resin, ethylene acrylic acid co polymer, two acrylate resins of phthalic acid etc..In the resin, crosslinking can be added Agent, curing agent.For example, as curing agent ammonium chloride can be added in melamine-urea cocondensation resin.
Further, the surface preparation wood-fibred refers to using method chemically or physically to wood-fibred carry out table Surface treatment changes the structure and performance of wood-fibred, achievees the purpose that improve surface compatability.Contain a large amount of polarity in wood-fibred surface Hydroxyl and phenolic hydroxyl group etc., show it is extremely strong chemically, therefore wood-fibred mainly by being esterified to polar functional group, The modifications such as etherificate, Graft copolymerisation generate hydrophobic non-polar functional group.Processing method includes being not limited to sour processing (DA), alkali process (DB), hydro-thermal process (HW), organic solvent processing (OR), sodium chlorite solution's bleaching (SCB), continuous Screw Extrusion steam blasting (SESE) etc..It is from a wealth of sources as the wood materials for the wood-fibred for becoming surface preparation, without material The limitation of kind.Such as: it can be to carry out fiber separation into equipment by small dimension wood, wooden unit, wood chip after boiling softens.It is wooden fine The length of dimension is 0.1~1mm, can be selected through being sieved.
Further, it by adding inorganic filler to the wood-fibred mixture of resin and surface preparation, can reduce The coefficient of expansion of hard base, while the hardness of hard base can also be increased.Inorganic filler includes but is not limited to: titanium dioxide, three Titanium oxide calcium powder, glass fiber powder, silica dioxide granule, alumina powder, titanium oxide barium powder.
Further, the wood-fibred and inorganic filler mixture by resin and surface preparation, passes through roller coating cloth, scraper Mixture is coated with by the methods of coating in one face of multi-plywood, and coating weight is 150~300g/ ㎡, and one layer is covered after being painted with Thermal isolation film is allowed to solidify into press hot pressing, after solidification, throws off thermal isolation film.
Further, the thermal isolation film is PET film, high temperature mylar.
In the more excellent disclosed example of the present invention, the gluing oxidant layer is the polymer after thermohardening type resin thermosets, is coated on In hard base, coating weight is 90~150g/ ㎡, the decoration wood skin layer is pasted by product specification after being painted with, into press hot pressing It is allowed to solidify.The thermohardening type resin, including but not limited to: melamine-urea cocondensation resin, silicone resin, phenolic resin, Ethylene acrylic acid co polymer, two acrylate resins of phthalic acid etc..In above-mentioned resin, crosslinking agent, curing agent can be added.Example Such as, as curing agent, ammonium chloride can be added in melamine-urea cocondensation resin.
In the more excellent disclosed example of the present invention, the decoration wood skin layer is the solid wood that thickness has decorative effect in 0.1~1.0mm Veneer, including but not limited to teak, black walnut, Sha Beili, toothed oak wood etc..
In the more excellent disclosed example of the present invention, the transparent protective layer is made of multiple coatings, with a thickness of 200~400 μm, preferably 300~400 μm, hardness of paint film >=5H.
The coating be can ultraviolet light photocuring it is poly- with the crosslinking of acrylate-functional resins' mixture as the main component Close object, the performed polymer containing the free-radical polymerised double bond that can crosslink polymerization by ultraviolet light and/or oligomeric Object and/or monomer make the transparent resins of main component.Performed polymer, oligomer and monomer can individually make with or by a variety of mixing With.Acrylate-functional resins cross-linked polymer as the main component, acrylate-functional resins' content is not low before polymerizeing In 80%.
It is formed by transparent protective layer and gives floor high rigidity, scratch resistance, abrasion performance, water resistance, stain resistance.Institute Stating transparent protective layer can form in the following way: fill in the way of well known to roller coating cloth, scraper plate coating, intaglio plate coating etc. Wood skin layer surface coated UV curable transparency protection layer for paint is adornd, is allowed to solidify by irradiating ultraviolet light later.By more Secondary coating solidification stacking, forms the transparent protective layer.
Transparent protective layer hardness of paint film >=5H, the scheme inspection according to 6.3.6 in GBT 18103-2013 solid wooden compound floor It surveys.
Further, it will be coated on decoration wood skin layer surface with acrylate-functional resins' mixture as the main component, Through uv radiation curing or partially cured it is shaped to first layer coating;Mixture is then coated on the first layer coating On, then through uv radiation curing or partially cured it is shaped to second layer coating;It is repeated several times coating-solidification process, shape At multiple coatings, surface cure forms transparent protective layer, even if any layer of first Front-coating mirror is only partially cured.
Further, it is described it is partially cured refer to decoration wood skin layer is solidified into the coating of on-liquid shape, and connect with the back of the hand Touching has viscous glutinous sense.
Further, the mixture as the main component with acrylate-functional resins for being used as transparent protective layer can add Abrasion resistant particles, colorant etc..
The wear-resisting pellet is including but not limited to aluminium oxide pellet, silicon carbide, diamond, silica etc., mass percent Account for about the 0.5%~10% of transparent protective layer;Abrasion resistant particles are with the average particle size Monodispersed between 5~50 μm in acrylate-functional In resin mixture as the main component, in the average particle size of narrow ditribution, the particle of narrow ditribution be can have less than average particle size 30% standard deviation.
The colorant is well known colorant, assigns the decoration figure layer different decorative effects, including but not limited to Azo dyes, carbon black, titanium white, anthraquinone pigment, phthalocyanine color, isoindoline pigment.Colorant mass percent accounts for about the transparency The 1%~10% of protective layer.
Further, in some embodiments of the transparent protective layer, abrasion resistant particles, colorant can be only present in more In selected layer in layer coating.The selected layer can be one layer or multilayer.Such as contain wear-resisting in second, five layer of coating Expect, contains colorant in first, six layer of coating.
Further, acrylate-functional resins mixture as the main component may include other additives and fill out Material.Including but not limited to surfactant, tackifier, digestive pharmaceutical, flatting silica, lubrication prescription, anti-settling agent, wax powder, zinc stearate, defoaming Agent, toughener, dose, fire retardant, antioxidant and stabilizer.The addition of additive, which need to meet, obtains desired technology effect Fruit, but the script performance of transparent protective layer is not reduced.
Beneficial effect
Thin skin multi-layer solid wood composite floor disclosed in this invention is set by being arranged between multi-plywood and decoration wood skin layer Rouge and the wood-fibred and inorganic filler of surface preparation form hard base so that decoration wood skin has the substrate of one layer of high rigidity; Simultaneously in the transparent protective layer of surface setting high rigidity.Multi-layer solid wood composite floor surface can be improved using such structure Load capacity, impact resistance, floor surface is not likely to produce dent.Wherein multi-layer solid wood composite floor surface transparent protective layer Hardness >=5H, detection method is according to the 6.3.6 requirement in GB/T 18103-2013.Wherein multi-layer solid wood composite floor impact resistance Performance≤9mm, detection method is according to the 6.3.16 requirement in GBT 18102-2007.
Detailed description of the invention
The structure of Fig. 1 thin skin multi-layer solid wood composite floor is anticipated diagram, wherein each component indicates are as follows: 1, substrate layer, 2, hard Base, 3, gluing oxidant layer, 4, decoration wood skin layer, 5, transparent protective layer.
Specific embodiment
The following describes the present invention in detail with reference to examples, so that those skilled in the art more fully understand this hair It is bright, but the invention is not limited to following embodiments.
Embodiment 1
In conjunction with Fig. 1, the present invention is further illustrated.
A kind of thin skin multi-layer solid wood composite floor, ontology is the hard base 2 of substrate layer 1 and adherency thereon, in hard 2 table of base Face has been sequentially overlapped gluing oxidant layer 3, decoration wood skin layer 4, transparent protective layer 5.
Substrate layer 1 is multi-plywood, the multi-plywood being made of Eucalyptus common in the market.Multi-plywood is 9 Layer structure, with a thickness of 14.5mm, glued board density is 0.60 g/m3
Hard base 2 is laminated on substrate layer 1, by the wood-fibred of ethylene acrylic acid co polymer and surface preparation and inorganic Filler mixture composition.The wood-fibred of surface preparation and titanium oxide calcium powder are uniformly dispersed and are mixed in ethylene, propylene Acid copolymer is coated on multi-plywood, is formed by curing hard base 2, wherein ethylene acrylic acid co polymer: surface preparation wood Fiber: the mass ratio of titanium oxide calcium powder is 80:15: 3.
Wood-fibred after boiling softens, is carried out fiber separation into equipment, led to by the wood-fibred of the surface preparation It crosses sodium chlorite solution's bleaching (SCB), the length of wood-fibred is 0.1~1mm.Wood fiber length can be by by wood-fibred Sieving is to select.
By by the wood-fibred of ethylene acrylic acid co polymer and surface preparation and titanium oxide calcium powder mixture, pass through roller Mixture is coated with by coating method in one face of multi-plywood, and coating weight is 200~250g/ ㎡, and one layer of height is covered after being painted with Warm mylar is allowed to solidify into press hot pressing.After solidification, high temperature mylar is thrown off.
Gluing oxidant layer 3 is the polymer after the heat cure of thermohardening type adhesive, is thermally cured type glue by roller coating method Stick is coated in hard base 2.Coating weight is 90~150g/ ㎡, pastes the decoration wood skin layer 4 by product specification after being painted with, It is allowed to solidify into press hot pressing.Thermohardening type resin is phenolic resin.
Decoration wood skin layer 4 is the black walnut plates of solid wood that thickness is 0.5mm.
Roller coating can the ultraviolet light photocuring mixture as the main component with acrylate-functional resins in decoration timber layer 4.Through purple Outer light radiation is partially cured to be shaped to first coating, then applies acrylate-functional resins mixture as the main component Cloth is then shaped to second coating through ultraviolet radiation is partially cured in first coating;Then by the acrylate-functional Resin mixture as the main component is coated in second coating, is then applied through the partially cured third that is shaped to of ultraviolet radiation Layer;Then acrylate-functional resins mixture as the main component is coated on third coating, then through ultraviolet light Radiation curing is shaped to the 4th coating, through sanding apparatus to the 4th coated sand light processing.Then by the acrylate-functional tree Rouge mixture as the main component is coated on the 4th coating, is then shaped to the 5th coating through ultraviolet radiation is partially cured; Then acrylate-functional resins mixture as the main component is coated on the 5th coating, then through ultraviolet radiation Solidified forming is at the 6th coating;Through sanding apparatus to the 6th coated sand light processing;Then it is by the acrylate-functional resins The mixture of main ingredient is coated on the 6th coating, is then shaped to the 7th coating through ultraviolet radiation is partially cured;Then Acrylate-functional resins mixture as the main component is coated on the 7th coating, then through ultraviolet radiation part Solidified forming is at the 8th coating;Acrylate-functional resins mixture as the main component is then coated on the 8th coating On, be then shaped to the 9th coating through ultraviolet radiation is partially cured, finally by the acrylate-functional resins be mainly at The mixture of part is coated on the 9th coating, is then shaped to the tenth coating through uv radiation curing, forms transparency protection Layer 5.
Contain colorant in first coating, the 7th coating.Colorant is azo dyes, is being with acrylate-functional resins Mass percent is 2% in the mixture of main ingredient.Wherein second coating, contain abrasion resistant particles in the 7th coating.Abrasion resistant particles For aluminium oxide, average particle size is 5~50 μm, and the particle of narrow ditribution can have the standard deviation less than average particle size 30%, with Mass percent is 8% in acrylate-functional resins' mixture as the main component.
Defoaming agent, anti-settling agent, tackifier, stain resistant agents, stabilizer are mixed with acrylate-functional resins are as the main component Closing mass percent in object is respectively 0.2%, 0.2%, 0.3%, 0.2%, 0.5%
Transparent protective layer thickness is 300~350 μm, hardness of paint film >=5H, according to GBT 18103-2013 solid wooden compound floor The scheme of middle 6.3.6 detects.
Embodiment 2
In conjunction with Fig. 1, the present invention is further illustrated.
A kind of thin skin multi-layer solid wood composite floor, ontology is the hard base 2 of substrate layer 1 and adherency thereon, in hard 2 table of base Face successively gluing oxidant layer 3, decoration wood skin layer 4, transparent protective layer 5.
Substrate layer 1 is multi-plywood, the multi-plywood being made of poplar common in the market.For 8 layers of structure, thickness For 11.8mm, glued board density is 0.55 g/m3
Hard base 2 is laminated on substrate layer 1, by the wood-fibred and nothing of two acrylate resins of phthalic acid and surface preparation Machine filler mixture composition.The wood-fibred of surface preparation and glass fiber powder are uniformly dispersed and are mixed in phthalic acid two Acrylate resins are coated on multi-plywood, are formed by curing hard base 2.Two acrylate resins of phthalic acid: surface preparation Wood-fibred: glass fiber powder mass ratio is 78:18:4.
The wood-fibred of the surface preparation, by the clout in wooden process, after boiling softens, into equipment into Row fiber separation reaches surface preparation effect by sodium chlorite solution's bleaching (SCB).The length of wood-fibred is 0.1 ~1mm.It can be selected by the way that wood-fibred is sieved.
By by the wood-fibred of two acrylate resins of phthalic acid and surface preparation and glass fiber powder object mixture, pass through Mixture is coated with by roller coating method in one face of multi-plywood, and coating weight is 230~250g/ ㎡, and one layer is covered after being painted with High temperature mylar is allowed to solidify into press hot pressing.After solidification, high temperature mylar is thrown off.
Gluing oxidant layer 3 is the polymer after the heat cure of thermohardening type adhesive.Type glue is thermally cured by roller coating method Stick is coated in hard base 2.Coating weight is 90~150g/ ㎡, pastes the decoration wood skin layer 4 by product specification after being painted with, It is allowed to solidify into press hot pressing.Thermohardening type resin is phenolic resin.
Decoration wood skin layer 4 is the teak plates of solid wood that thickness is 0.2mm.
Roller coating can the ultraviolet light photocuring mixture as the main component with acrylate-functional resins in decoration timber layer 4.Through purple Outer light radiation is partially cured to be shaped to first coating, then applies acrylate-functional resins mixture as the main component Cloth is then shaped to second coating through ultraviolet radiation is partially cured in first coating;Then by the acrylate-functional Resin mixture as the main component is coated in second coating, is then applied through the partially cured third that is shaped to of ultraviolet radiation Layer;Then acrylate-functional resins mixture as the main component is coated on third coating, then through ultraviolet light Radiation curing is shaped to the 4th coating, through sanding apparatus to the 4th coated sand light processing.Then by the acrylate-functional tree Rouge mixture as the main component is coated on the 4th coating, is then shaped to the 5th coating through ultraviolet radiation is partially cured; Then acrylate-functional resins mixture as the main component is coated on the 5th coating, then through ultraviolet radiation Solidified forming is at the 6th coating;Through sanding apparatus to the 6th coated sand light processing;Then it is by the acrylate-functional resins The mixture of main ingredient is coated on the 6th coating, is then shaped to the 7th coating through ultraviolet radiation is partially cured;Then Acrylate-functional resins mixture as the main component is coated on the 7th coating, then through ultraviolet radiation part Solidified forming is at the 8th coating;Acrylate-functional resins mixture as the main component is then coated on the 8th coating On, be then shaped to the 9th coating through ultraviolet radiation is partially cured, finally by the acrylate-functional resins be mainly at The mixture of part is coated on the 9th coating, is then shaped to the tenth coating through uv radiation curing, is ultimately formed the transparency Protective layer 5.
Wherein second coating, contain colorant in the 6th coating.Colorant is azo dyes, with acrylate-functional tree Mass percent is 3% in rouge mixture as the main component.Wherein third coating, contain abrasion resistant particles in the 6th coating.It is wear-resisting Particle is aluminium oxide, and average particle size is 5~50 μm, and the particle of narrow ditribution can have the standard deviation less than average particle size 30%, Mass percent is 8% in the mixture as the main component with acrylate-functional resins.
Defoaming agent, anti-settling agent, zinc stearate, stain resistant agents, stabilizer are as the main component with acrylate-functional resins Mass percent is respectively 0.2%, 0.2%, 0.5%, 1%, 0.5% in mixture.
Transparent protective layer thickness is 300~350 μm, and hardness of paint film >=5H is compound according to GBT 18103-2013 solid wood The scheme detection of 6.3.6 in floor.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification is applied directly or indirectly in other relevant technical fields, Similarly it is included within the scope of the present invention.

Claims (10)

1. a kind of thin skin multi-layer solid wood composite floor, ontology is the hard base (2) of substrate layer (1) and adherency thereon, and feature exists In: it has been sequentially overlapped gluing oxidant layer (3), decoration wood skin layer (4) on hard base (2) surface, has been equipped on decoration wood skin layer (4) Transparent protective layer (5), the transparent protective layer (5) are made of multiple coatings, with a thickness of 200~400 μm, hardness of paint film >=5H.
2. thin skin multi-layer solid wood composite floor according to claim 1, it is characterised in that: the substrate layer (1) is multilayer Glued board, the number of plies are 3~10 layers, preferably 6~9 layers;With a thickness of 5~18mm, preferably 8~15mm;Glued board density≤0.60 g/m3
3. thin skin multi-layer solid wood composite floor according to claim 1, it is characterised in that: the hard base (2) is adhered to Substrate layer (1) surface is made of the wood-fibred and inorganic filler mixture of resin and surface preparation, coating weight be 150~ 300g/ ㎡, wherein the mass ratio of resin, surface preparation wood-fibred and inorganic filler is 65~85:10~20:0~5.
4. thin skin multi-layer solid wood composite floor according to claim 3, it is characterised in that: the resin is heat curing type tree Rouge, including but not limited to melamine-urea cocondensation resin, silicone resin, phenolic resin, ethylene acrylic acid co polymer, adjacent benzene two Sour two acrylate resins;The length of the surface preparation wood-fibred is 0.1~1mm;The inorganic filler includes but unlimited In titanium dioxide, titanium oxide calcium powder, glass fiber powder, silica dioxide granule, alumina powder, titanium oxide barium powder.
5. thin skin multi-layer solid wood composite floor according to claim 1, it is characterised in that: the gluing oxidant layer (3) is heat Polymer after gel-type resin heat cure is coated on hard base (2), and coating weight is 90~150g/ ㎡, by product after being painted with Specification pastes the decoration wood skin layer (4), is allowed to solidify into press hot pressing.
6. thin skin multi-layer solid wood composite floor according to claim 5, it is characterised in that: the thermohardening type resin, packet It includes but is not limited to melamine-urea cocondensation resin, silicone resin, phenolic resin, ethylene acrylic acid co polymer, phthalic acid dipropyl Enester resin.
7. thin skin multi-layer solid wood composite floor according to claim 1, it is characterised in that: the decoration wood skin layer (4) is Thickness has the plates of solid wood of decorative effect, including but not limited to teak, black walnut, Sha Beili, toothed oak wood in 0.1~1.0mm.
8. thin skin multi-layer solid wood composite floor according to claim 1, it is characterised in that: the transparent protective layer (5) by Multiple coating compositions, with a thickness of 300~400 μm.
9. thin skin multi-layer solid wood composite floor according to claim 8, it is characterised in that: will be with acrylate-functional resins Mixture as the main component is coated on decoration wood skin layer surface, through uv radiation curing or partially cured is shaped to first Layer coating;Then mixture is coated on the first layer coating, then through uv radiation curing or it is partially cured at Form second layer coating;It is repeated several times coating-solidification process, forms multiple coatings, surface cure forms transparent protective layer, i.e., Keep any layer of first Front-coating mirror only partially cured.
10. thin skin multi-layer solid wood composite floor according to claim 9, it is characterised in that: described with acrylate-functional Resin mixture as the main component can add abrasion resistant particles, colorant, and the abrasion resistant particles, colorant can be only present in In selected layer in laminated coating.
CN201910383762.7A 2019-05-09 2019-05-09 A kind of thin skin multi-layer solid wood composite floor Pending CN110029795A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115339181A (en) * 2022-08-02 2022-11-15 王友刚 Environment-friendly wear-resistant solid wood veneer and manufacturing method thereof

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CN109555289A (en) * 2019-01-18 2019-04-02 广州厚邦木业制造有限公司 One kind is imitative to inlay flower wood floors and preparation method thereof
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