CN110511587A - A kind of moisture proof Wood-plastic floor and processing method - Google Patents
A kind of moisture proof Wood-plastic floor and processing method Download PDFInfo
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- CN110511587A CN110511587A CN201910672914.5A CN201910672914A CN110511587A CN 110511587 A CN110511587 A CN 110511587A CN 201910672914 A CN201910672914 A CN 201910672914A CN 110511587 A CN110511587 A CN 110511587A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Floor Finish (AREA)
Abstract
A kind of moisture proof Wood-plastic floor of the present invention, including the following raw material as mass fraction: 20 ~ 35 parts of HDPE resin, 0.3 ~ 1.2 part of 0.3 ~ 1 part of 1 ~ 3 part of 736 0.1 ~ 0.5 part of 0.1 ~ 1 part of 744 0.1 ~ 0.3 part of 5 ~ 18 parts of 30 ~ 40 parts of wood powder, filler, light stabilizer, ultraviolet absorbent UV-531, antioxidant, additive flame retardant, silane coupling agent, the compatilizer that partial size is 80 ~ 120 mesh；Wood-plastic floor of the present invention has excellent waterproof and dampproof wet performance, anti-aging and weather resistance, flame retardant property, processing performance and mechanical property, and long service life, the scope of application is big, at low cost, high financial profit.
Description
Technical field
The present invention relates to a kind of moisture proof Wood-plastic floor and processing methods.
Background technique
Wood-plastic composite panel is a kind of mainly high for basic material and thermoplasticity by timber (lignose, plant cellulose)
Molecular material (plastics) and processing aid etc., heat extrusion molding through die apparatus again after mixing and manufactured high-tech is green
Color environment-friendly materials have the performance and feature of timber and plastics concurrently, can substitute the novel environment friendly hitech materials of timber and plastics.Wood
Modeling floor be with floor made of wood plastic composite, have intensity is good, hardness is high, anti-skidding, wear-resisting, insulation, it is heat-insulated, environmentally friendly,
The advantages that renewable, without noxious material, natural look, texture with timber are better than wood dimensional stability, possess and wooden
The same processing characteristics of material, using common tool can sawing, drilling, upper nail, construction and installation are efficient and convenient, can be as common
Timber equally uses.But existing some Wood-plastic floors there is easy mouldy dampness/moisture-proof wet performances it is poor, easy to crack be broken/
The problems such as weather resistance and loss of properties on aging, the Wood-plastic floors being particularly in moist and more water environments be easy water suction by
Tide, so rot, dilatancy, cause the service life of Wood-plastic floor shorter, meanwhile, cause the application range of Wood-plastic floor by
To limitation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of moisture proof Wood-plastic floors.
The present invention is realized by following technological means solves above-mentioned technical problem:
A kind of moisture proof Wood-plastic floor, including the following raw material as mass fraction: 20~35 parts of HDPE resin, partial size are
7440.1~0.3 parts of 5~18 parts of 30~40 parts of wood powder, filler, light stabilizer, the ultraviolet absorbing agent UV- of 80~120 mesh
5310.1~1 parts, 7360.1~0.5 parts of antioxidant, 1~3 part of additive flame retardant, 0.3~1 part of silane coupling agent, compatilizer
0.3~1.2 part.
Further, the Wood-plastic floor further includes the following raw material as mass fraction: 3~6 parts of colorant.
Further, the filler is at least one of clay, calcium carbonate, talcum powder and glass.
Further, the additive flame retardant is aluminium hydroxide or magnesium hydroxide.
Further, the silane coupling agent is at least one of KH550, KH560 and DL171.
Further, the compatilizer is maleic anhydride graft compatilizer.
A kind of processing method of moisture proof Wood-plastic floor, comprising the following steps:
Step1. mixed at high speed
By HDPE resin, partial size be the wood powders of 80~120 mesh, filler, light stabilizer 744, ultraviolet absorbent UV-531,
The raw materials such as antioxidant 736, additive flame retardant, silane coupling agent, compatilizer are put according to the mass fraction described in claim 1
Enter and is sufficiently mixed in high-speed mixer uniformly；
Step2. it is granulated
Melt pelletization is carried out to uniformly mixed raw material by pelletizer, obtains granular mixing；
Step3. extrusion molding
Granular mixing is extruded into profile by extrusion shaping machine, obtains Wood-plastic floor.
The invention has the benefit that the present invention is using HDPE resin, wood powder as base-material, addition filler, additive flame retardant,
Silane coupling agent, compatilizer and light stabilizer 744, ultraviolet absorbent UV-531 and antioxidant 736 with synergistic effect,
Make Wood-plastic floor obtained that there is excellent waterproof and dampproof wet performance, anti-aging property and weather resistance, flame retardant property, processability
Can and mechanical property to prolong its service life increase its scope of application；In addition, the Wood-plastic floor is with lower
Cost, high financial profit.The processing method of wet Wood-plastic floor of the present invention, easy to operate using extrusion molding, production efficiency
The mixing of height, raw material is thorough, improves the dispersibility and compatibility of wood powder, filler in HDPE resin, with making wood moulding obtained
Plate is high-quality, Density Distribution is uniform.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of moisture proof Wood-plastic floor, including the following raw material as mass fraction: 20~35 parts of HDPE resin, partial size are
7440.1~0.3 parts of 5~18 parts of 30~40 parts of wood powder, filler, light stabilizer, the ultraviolet absorbing agent UV- of 80~120 mesh
5310.1~1 parts, 7360.1~0.5 parts of antioxidant, 1~3 part of additive flame retardant, 0.3~1 part of silane coupling agent, compatilizer
0.3~1.2 part.
HDPE resin has high temperature resistant, oil resistivity, cold resistance, resistance to vapour permeability, water resistance and shock resistance good
The advantages that, water absorption rate is low, less than 0.01%, to improve the waterproof performance of Wood-plastic floor, and then its moisture-proof wet performance is improved,
It prolongs its service life, increases its application range.
The content and partial size of wood powder are to mechanics such as the tensile strength of Wood-plastic floor, bending strength, impact strength, creep properties
The influence of performance is fairly obvious.With the increase of wood powder content: (1) density of Wood-plastic floor becomes larger, and water absorption rate increases, moisture proof
Degradation；(2) rigidity reinforced of Wood-plastic floor, toughness reduce；(3) the extrusion processing difficulties of Wood-plastic floor.Wood-plastic floor
Processing fluidity and density change with the variation of wood powder partial size, and the draw ratio of wood powder generally increases with the increase of wood powder partial size
Greatly, big wood powder draw ratio is conducive to the increase of mechanical property, but the density of Wood-plastic floor subtracts with the increase of wood powder partial size
Wood-plastic floor rough surface that is small, and squeezing out, forms " reunion " phenomenon of wood powder, meanwhile, wood powder partial size is big, the high wood of roughness
Powder is easy to form cavity blemish at interface, and this phenomenon hardly occurs for the small wood powder of partial size.Wood powder partial size is 80~120
Purpose Wood-plastic floor surface is the finest and the smoothest smooth, and wood powder is good with HDPE resin interface compatibility.
Filler of the present invention selects at least one of clay, calcium carbonate, talcum powder and glass, to improve the wood
Processing performance, mechanical property and the moisture-proof wet performance for moulding floor, reduce its shrinking percentage, reduce its water imbibition, increase its hardness
And intensity, improve its ageing-resistant performance etc., and then extend the service life of the Wood-plastic floor, expands application field；Meanwhile adding
Add cheap filler to reduce the cost of the Wood-plastic floor, and then improves its economic benefit.
Light stabilizer can shield or absorb the energy of ultraviolet light, make high molecular polymer under the radiation of light, can exclude or
Slow down photochemical reaction, the process of light aging is prevented or postpone, to extend the service life of polymer.Light stabilizer 744
Ingredient be 4- benzoyloxy -2,2,6,6- tetramethyl piperidines, and be white crystalline powder, 95~98 DEG C of fusing point, decompose temperature
280 DEG C of degree or more, is dissolved in acetone, ethyl alcohol, ethyl acetate, toluene, not soluble in water.Light stabilizer 744 be by resistance type light stabilizer,
Itself but can effectively capture the work that high molecular material generates under action of ultraviolet radiation almost without the ability for absorbing ultraviolet light
Free love base is suitable for polypropylene, polyethylene, polystyrene, polyurethane, polyamide and polyester so that playing light stablizes effectiveness
Etc. a variety of plastics, effect is especially prominent in polyolefin.Its light resistance is the several times of general ultraviolet absorbing agent, not colored, no
Pollution, resistance to hot-workability is good, is used in combination with antioxidant and ultraviolet absorbing agent, has excellent synergistic effect.
The ingredient of ultraviolet absorbent UV-531 is 2-hydroxy-4-n-octoxybenzophenone, and is light yellow or white
Crystalline powder, is dissolved in acetone, benzene by 48~49 DEG C of fusing point, and ethyl alcohol, isopropanol are slightly soluble in dichloroethanes, not soluble in water.It can
Consumingly absorbing wavelength is the ultraviolet light of 240~340nm, can be used for various plastics, especially polyethylene, polypropylene, polyphenyl second
Alkene, ABS resin, good with the compatibility of resin, volatility is small, and with a small amount of 4,4- thiobis (6- butyl o-cresol), i.e., it is anti-
Oxygen agent 736 and with there is good synergistic effect.Addition ultraviolet absorbent UV-531 can delay Wood-plastic floor in natural climate item
The catagen speed of anti-bending strength under part effectively enhances the surface color fastness of Wood-plastic floor, and to Wood-plastic floor water resistance, moisture-proof
The raising of wet performance has certain booster action.
Light stabilizer 744, ultraviolet absorbent UV-531 and antioxidant 736 are used in combination, and have excellent synergistic effect, show
The anti-aging property and weather resistance for improving Wood-plastic floor are write, the raising of water-fast to Wood-plastic floor and moisture-proof wet performance has certain auxiliary
Effect is helped, to extend the service life of Wood-plastic floor.
Fire retardant is to confer to the functional aid of combustible polymers flame retardancy, and additive flame retardant is by mechanical mixture side
Method is added in polymer, and polymer is made to have anti-flammability.Additive flame retardant of the present invention selects aluminium hydroxide or hydrogen
Magnesia, it is good with the compatibility of plastics and synthetic fibers to have the advantage that；The intrinsic Optimality of original substance is not changed
Energy；Dosage is small, effect is big；It is not decomposed under processing temperature；It is low in cost.Al(OH)3The fire retardant mechanism of fire retardant is exactly to pass through to mention
The thermal capacitance of high polymer makes it absorb more heats before reaching thermal decomposition temperature, to improve the anti-flammability of Wood-plastic floor
Energy.
Coupling agent is to improve the one of the interface performance of synthetic resin and inorganic filler or reinforcing material in plastics compounding
Kind plastic additive, also known as surface modifier.It can reduce the viscosity of molten synthetic resin in plastic processes, and improvement is filled out
The dispersion degree of agent is filled to improve processing performance, and then product is made to obtain good surface quality and machinery, heat and electrical property.Coupling
Agent generally consists of two parts: a part is close inorganic group, can be acted on inorganic filler or reinforcing material；Another part is
Organic-philic group can be acted on synthetic resin, and then improve the interface interaction between inorganic matter and organic matter, to greatly improve
The performance of composite material.The present invention selects at least one of silane coupling agent, such as KH550, KH560 and DL171, to mention
The performances such as the processing performance and moisture proof of high Wood-plastic floor, ageing-resistant, proof stress.
Compatilizer is also known as expanding material, for improving the compatibility between HDPE resin and wood powder, filler, improves the use of filler
Amount, reduces cost, in addition, the addition of compatilizer greatly improves the mechanical strength, moisture-proof wet performance and processability of Wood-plastic floor
Can, it prolongs its service life.The maleic anhydride graft compatilizer that compatilizer of the present invention selects com-patibilising effect good, maleic anhydride
Compatilizer is grafted by introducing strongly polar reactive group, makes material that there is high polarity and reactivity, is a kind of macromolecule circle
Face coupling agent, compatilizer, dispersion enhancing agents, it is compatible etc. to be mainly used for halogen-free flameproof, filling, fiberglass reinforced, toughening, alloy, energy
The compatibility of composite material and the dispersibility of filler are greatly improved, to improve composite mechanical strength, can be improved inorganic
Filler and organic resin compatibility improve stretching, the impact strength of product, realize high filling, reduce amount of resin, improve processing
Rheological characteristic improves surface smoothness.
The Wood-plastic floor further includes the following raw material as mass fraction: 3~6 parts of colorant, in order to according to client
Needs customize color, Wood-plastic floor is made required color, surface without mopping also can long Jupocin it is colour-fast, nothing
Periodic maintenance is needed, and then reduces the maintenance cost of Wood-plastic floor.
The present invention using HDPE resin, wood powder as base-material, addition filler, additive flame retardant, silane coupling agent, compatilizer with
And light stabilizer 744, ultraviolet absorbent UV-531 and antioxidant 736 with synergistic effect, make Wood-plastic floor tool obtained
There are excellent waterproof and dampproof wet performance, anti-aging property and weather resistance, flame retardant property, processing performance and mechanical property, from
And prolong its service life, increase its scope of application；In addition, the Wood-plastic floor has lower cost, high financial profit.
Embodiment 1
A kind of moisture proof Wood-plastic floor, including the following raw material as mass fraction: 20 parts of HDPE resin, partial size be 80~
0.1 part of 7440.1 parts of 5 parts of 40 parts of wood powder, filler, light stabilizer, ultraviolet absorbent UV-531, the antioxidant 7360.5 of 120 mesh
Part, 3 parts of additive flame retardant, 0.3 part of silane coupling agent, 0.3 part of compatilizer.
Embodiment 2
A kind of moisture proof Wood-plastic floor, including the following raw material as mass fraction: 35 parts of HDPE resin, partial size be 80~
1 part of 7440.3 parts of 18 parts of 30 parts of wood powder, filler, light stabilizer, ultraviolet absorbent UV-531, the antioxidant 7360.1 of 120 mesh
Part, 1 part of additive flame retardant, 1 part of silane coupling agent, 1.2 parts of compatilizer.
Embodiment 3
A kind of moisture proof Wood-plastic floor, including the following raw material as mass fraction: 30 parts of HDPE resin, partial size be 80~
0.6 part of 7440.2 parts of 12 parts of 35 parts of wood powder, filler, light stabilizer, ultraviolet absorbent UV-531, the antioxidant of 120 mesh
7360.3 parts, 2 parts of additive flame retardant, 0.6 part of silane coupling agent, 0.8 part of compatilizer.
In above-described embodiment 1~3, a kind of processing method of moisture proof Wood-plastic floor, comprising the following steps:
Step1. mixed at high speed
By HDPE resin, partial size be the wood powders of 80~120 mesh, filler, light stabilizer 744, ultraviolet absorbent UV-531,
The raw materials such as antioxidant 736, additive flame retardant, silane coupling agent, compatilizer are put according to the mass fraction described in claim 1
Enter and is sufficiently mixed in high-speed mixer uniformly；
Step2. it is granulated
Melt pelletization is carried out to uniformly mixed raw material by pelletizer, obtains granular mixing；
Step3. extrusion molding
Granular mixing is extruded into profile by extrusion shaping machine, obtains Wood-plastic floor.
The present invention uses double screw extruder, to improve the quality of Wood-plastic floor.The conveying principle of double screw extruder is
Positive displacement forced conveyance flows back without pressure, and charging is easy；Good exhaust effect can fully be discharged volatilizable in wood powder
Ingredient；Screw rod spiral shell rib intermeshes, and strong shear action keeps the mixing of material, plasticizing effect more preferable；Residence time of material is short,
It is not easy wood powder occur to burn phenomenon.
A kind of processing method of moisture proof Wood-plastic floor disclosed by the invention, easy to operate using extrusion molding, production effect
Rate is high, and the mixing of raw material is thorough, improves the dispersibility and compatibility of wood powder, filler in HDPE resin, makes wood moulding obtained
Floor quality is good, Density Distribution is uniform.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of moisture proof Wood-plastic floor, which is characterized in that including the following raw material as mass fraction: HDPE resin 20~35
Part, partial size are 7440.1~0.3 parts of 5~18 parts of 30~40 parts of wood powder, filler, the light stabilizer of 80~120 mesh, ultraviolet radiation absorption
Agent UV-5310.1~1 part, 7360.1~0.5 parts of antioxidant, 1~3 part of additive flame retardant, 0.3~1 part of silane coupling agent, phase
Hold 0.3~1.2 part of agent.
2. a kind of moisture proof Wood-plastic floor according to claim 1, it is characterised in that: the Wood-plastic floor further includes by matter
The following raw material of amount score meter: 3~6 parts of colorant.
3. a kind of moisture proof Wood-plastic floor according to claim 1 or 2, it is characterised in that: the filler is clay, carbonic acid
At least one of calcium, talcum powder and glass.
4. a kind of moisture proof Wood-plastic floor according to claim 3, it is characterised in that: the additive flame retardant is hydrogen-oxygen
Change aluminium or magnesium hydroxide.
5. a kind of moisture proof Wood-plastic floor according to claim 4, it is characterised in that: the silane coupling agent be KH550,
At least one of KH560 and DL171.
6. a kind of moisture proof Wood-plastic floor according to claim 5, it is characterised in that: the compatilizer connects for maleic anhydride
Branch compatilizer.
7. including a kind of processing method of moisture proof Wood-plastic floor described in claim 1, which is characterized in that including following step
It is rapid:
Step1. mixed at high speed
By HDPE resin, wood powder, filler, light stabilizer 744, the ultraviolet absorbent UV-531, antioxygen that partial size is 80~120 mesh
The raw materials such as agent 736, additive flame retardant, silane coupling agent, compatilizer are put into height according to the mass fraction described in claim 1
It is sufficiently mixed in fast mixing machine uniformly；
Step2. it is granulated
Melt pelletization is carried out to uniformly mixed raw material by pelletizer, obtains granular mixing；
Step3. extrusion molding
Granular mixing is extruded into profile by extrusion shaping machine, obtains Wood-plastic floor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910672914.5A CN110511587A (en) | 2019-07-24 | 2019-07-24 | A kind of moisture proof Wood-plastic floor and processing method |
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| CN201910672914.5A CN110511587A (en) | 2019-07-24 | 2019-07-24 | A kind of moisture proof Wood-plastic floor and processing method |
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Application publication date: 20191129 |