CN107880448A - A kind of antistatic wood plastic composite and preparation method thereof - Google Patents
A kind of antistatic wood plastic composite and preparation method thereof Download PDFInfo
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- CN107880448A CN107880448A CN201711315715.6A CN201711315715A CN107880448A CN 107880448 A CN107880448 A CN 107880448A CN 201711315715 A CN201711315715 A CN 201711315715A CN 107880448 A CN107880448 A CN 107880448A
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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
- C08L27/00—Compositions of 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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- 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
Abstract
The invention discloses a kind of antistatic wood plastic composite and preparation method thereof, is made up of according to parts by weight the following raw material：30 60 parts of PVC resin powder, 10 30 parts of calcareous filler, 15 25 parts of plant fiber powder, 15 parts of conditioning agent of plasticising, 13 parts of processing aid, 26 parts of stabilizer, 13 parts of lubricant, 15 parts of toughener, 10 20 parts of antistatic additive, high temperature drying is carried out first, makes its water content<1%, mixed afterwards in 110 130 DEG C of high-speed stirreds, the mixed powder after above-mentioned processing is added into extruder extrusion, after above-mentioned steps high temperature extrusion, again pass by calendering formation, traction and excision forming；The Graphene powder of layer structure can be uniformly distributed in PVC, and form network structure with PVC, so that wood plastic composite items mechanical performance prepared by the present invention is excellent, and there is good antistatic property, antistatic property (resistivity) can reach 106Ω/sq the order of magnitude, and whole simple production process is stable, is adapted to industrialized production.
Description
Technical field
The present invention relates to wood plastics composite technical field, specially a kind of antistatic wood plastic composite and preparation method thereof.
Background technology
It by plant fiber powder (wood powder, stalk, forestry three remain thing etc.) and thermoplastic is main that wood plastic composite, which is,
Raw material, a kind of novel environment-friendly composite material manufactured by physics, chemistry and biotechnology grade high technical matters.Its zero first
Aldehyde, it is resistance to damage by worms, be corrosion-resistant, chemically-resistant reaction, water imbibition are small etc. at the same cause the advantages of having timber and plastics concurrently its transport service,
The fields such as interior decoration, construction industry, article of furniture industry, garden landscape are widely used.
The high-insulativity of most of plastics and high polymer material is that plastic tape carrys out electrostatic hazard problem.Wood plastic composite
There is same characteristic, thus the antistatic behaviour of wood plastic composite is of interest for us.When wood plastic composite is used for military project, height
When level apartment, the construction material of villa, ornament materials, furniture, the dust suction on surface is a big disadvantage, and it is attractive in appearance to largely effect on its；
Applied to army's man-hour, there is also hidden danger.Most widely used antistatic additive is conductive black, CNT etc..It is being used
The change in resistance very little of wood plastic composite, the increase of conductive black cause resistivity to decline when measuring relatively low.Conductive black energy
Enough continuous conductive paths or network formed in the base, so as to improve the electric conductivity of material.
CN201610533566.X discloses a kind of antistatic straw wood plastic composite and preparation method thereof, what it was used
Antistatic additive is silane-modified conductive black, by weight by 80 parts of conductive blacks, 3 parts of silane couplers and the anhydrous second of 200mL
Alcohol is put into there-necked flask, and 1.5h is stirred at 60 DEG C, is then filtered, then filter cake is placed in baking oven, is dried under the conditions of 105 DEG C
It is dry, silane-modified conductive black is made after attrition grinding, the preparation technology of its antistatic additive is more complicated, is unfavorable for industrial metaplasia
Production.
CN201410723764.3 discloses a kind of conductive/antistatic wood plastic composite and preparation method thereof, and it is used
Antistatic additive be CNT, a diameter of 20~100nm, length is 10~50 μm, and its antistatic additive used is not easy point
Dissipate thus cause antistatic property bad.
The content of the invention
To achieve the above object, the present invention provides following technical scheme：A kind of antistatic wood plastic composite, according to weight
Number is made up of the following raw material：
PVC resin powder 30-60 parts, calcareous filler 10-30 parts, plant fiber powder 15-25 parts, plasticising conditioning agent 1-5 parts,
Processing aid 1-3 parts, stabilizer 2-6 parts, lubricant 1-3 parts, toughener 1-5 parts, antistatic additive 10-20 parts.
As a preferred technical solution of the present invention, it is made up of according to parts by weight the following raw material：
45 parts of PVC resin powder, 20 parts of calcareous filler, 20 parts of plant fiber powder, 3 parts of conditioning agent of plasticising, processing aid 2
Part, 4 parts of stabilizer, 2 parts of lubricant, 3 parts of toughener, 15 parts of antistatic additive.
As a preferred technical solution of the present invention, described calcareous filler is the lightweight carbonic acid of 800-1000 mesh
Calcium.
As a preferred technical solution of the present invention, the plasticising conditioning agent is at least one in double methyl esters and styrene
Kind, described processing aid is at least one of dibutyl ester and adipic acid.
As a preferred technical solution of the present invention, the stabilizer is calcium zinc stabilizer, and the lubricant is
Tissuemat E, the toughener are acrylate.
As a preferred technical solution of the present invention, the antistatic additive is graphene, and graphene bulk density is
0.1-0.4g/ml, granularity 30-200um, thickness 5-50nm, carbon content are more than or equal to 95%.
In addition, present invention also offers a kind of preparation method of antistatic wood plastic composite, comprise the following steps：
S100, pretreatment of raw material, plant fiber powder is dried at a temperature of 110 DEG C -130 DEG C according to above-mentioned parts by weight,
Make its water content<1%；
S200, mixed at high speed, by the string after processing and PVC resin powder, calcareous filler, plasticising conditioning agent plus
Work auxiliary agent, stabilizer, lubricant, toughener and antistatic additive after 110-130 DEG C of high-speed stirred mixes 15-30min, then
It is cooled to 40-60 DEG C and is put into barrel and cools down to obtain mixed powder；
S300, temperature control extrusion, the mixed powder after above-mentioned processing is added into extruder, and continuous heating is to 120-
180 DEG C, in extrusion, the barrel zone temperature of adjustment is 130-180 DEG C, and mold temperature is 130-200 DEG C, and adjustment engine speed is
10-30 turns/min, and feeding rotating speed is that 10-25 turns/min；
S400, excision forming, after above-mentioned steps high temperature extrusion, calendering formation is again passed by, draws and cuts into
Type.
As a preferred technical solution of the present invention, in the step s 100, the specific drying behaviour of the plant fiber powder
As：
S101, according to parts by weight appropriate plant fiber powder is chosen in drying unit；
S102, drying unit is carried out to be heated to 110 DEG C -130 DEG C, and it is 2-4 DEG C/min to control average heating rate；
S103, when temperature reaches drying temperature, maintain heating-up temperature constant in the range of said temperature, and persistently stir
Plant fiber powder is mixed, during drying, 8-10mL pure water is added into drying unit per 30-40min, until plant
Fiber powder is dried to water content less than 10%, afterwards with regard to continuous high temperature drying until water content is less than 1%.
As a preferred technical solution of the present invention, in step s 200, the cooling after high-temperature stirring 15-30min
During, average rate of temperature fall is not less than 10-15 DEG C/min.
As a preferred technical solution of the present invention, in step S300, it is necessary to remain initial before formal extrusion
Heating-up temperature it is constant until all material could apply pressure when reaching the temperature is extruded.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention uses bulk density position 0.1-0.4g/ml stone
Black alkene powder so that it can be sufficiently mixed with PVC, and the Graphene powder of layer structure can be uniformly distributed in PVC, and with PVC shapes
Reticulate structure so that wood plastic composite items mechanical performance prepared by the present invention is excellent, and has good antistatic behaviour
Can, antistatic property (resistivity) can reach 106Ω/sq the order of magnitude, and whole simple production process is stable, is adapted to work
Industry metaplasia is produced.
Brief description of the drawings
Fig. 1 is preparation method schematic flow sheet of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
A kind of antistatic wood plastic composite, it is made up of according to parts by weight the following raw material：
35 parts of PVC resin powder, 22.5 parts of calcareous filler, 20 parts of plant fiber powder, 2 parts of conditioning agent of plasticising, processing aid
1.5 parts, 4 parts of stabilizer, 2 parts of lubricant, 2 parts of toughener, 11 parts of antistatic additive.
Embodiment 2
A kind of antistatic wood plastic composite, it is made up of according to parts by weight the following raw material：
50 parts of PVC resin powder, 10 parts of calcareous filler, 20 parts of plant fiber powder, 1 part of conditioning agent of plasticising, processing aid 1
Part, 2 parts of stabilizer, 1 part of lubricant, 2 parts of toughener, 12 parts of antistatic additive.
Embodiment 3
A kind of antistatic wood plastic composite, it is made up of according to parts by weight the following raw material：
45 parts of PVC resin powder, 13 parts of calcareous filler, 15 parts of plant fiber powder, 2 parts of conditioning agent of plasticising, processing aid 1
Part, 3 parts of stabilizer, 1 part of lubricant, 3 parts of toughener, 17 parts of antistatic additive.
Embodiment 4
A kind of antistatic wood plastic composite, it is made up of according to parts by weight the following raw material：
40 parts of PVC resin powder, 10 parts of calcareous filler, 23 parts of plant fiber powder, 2 parts of conditioning agent of plasticising, processing aid 1
Part, 2 parts of stabilizer, 1 part of lubricant, 1 part of toughener, 20 parts of antistatic additive.
Above-described embodiment 1 is into embodiment 4：
Described calcareous filler is the precipitated calcium carbonate of 800-1000 mesh；The plasticising conditioning agent is double methyl esters and benzene second
At least one of alkene, described processing aid are at least one of dibutyl ester and adipic acid；The stabilizer is calcium
Zinc stabilizer, the lubricant are Tissuemat E, and the toughener is acrylate；The antistatic additive is graphene, graphite
Alkene bulk density is 0.1-0.4g/ml, granularity 30-200um, thickness 5-50nm, and carbon content is more than or equal to 95%.
As shown in figure 1, the present invention have also been devised the preparation method of the antistatic wood plastic composite, comprise the following steps：
Step S100, pretreatment of raw material, plant fiber powder is dried at a temperature of 110 DEG C -130 DEG C according to above-mentioned parts by weight
It is dry, make its water content<1%.
Wherein, in the step s 100, the specific drying operation of the plant fiber powder is：
S101, according to parts by weight appropriate plant fiber powder is chosen in drying unit；
S102, drying unit is carried out to be heated to 110 DEG C -130 DEG C, and it is 2-4 DEG C/min to control average heating rate；
S103, when temperature reaches drying temperature, maintain heating-up temperature constant in the range of said temperature, and persistently stir
Plant fiber powder is mixed, during drying, 8-10mL pure water is added into drying unit per 30-40min, until plant
Fiber powder is dried to water content less than 10%, afterwards with regard to continuous high temperature drying until water content is less than 1%.
Toward renaturation plus water, drying are carried out during drying, the purpose so handled is：It can reach first and set
The drying effect of meter demand, further, additionally it is possible to ensure will not to occur during drying by the humidification of circulation crisp
Change, the toughness of plant fiber powder can be kept.
Step S200, mixed at high speed, the string after processing and PVC resin powder, calcareous filler, plasticising are adjusted
Agent, processing aid, stabilizer, lubricant, toughener and antistatic additive mix 15-30min in 110-130 DEG C of high-speed stirred
Afterwards, it is cooled to 40-60 DEG C and is put into barrel and cools down to obtain mixed powder, in the temperature-fall period after high-temperature stirring 15-30min,
Average rate of temperature fall is not less than 10-15 DEG C/min；
Step S300, temperature control is extruded, and the mixed powder after above-mentioned processing is added into extruder, and continuous heating is extremely
120-180 DEG C,, it is necessary to maintain initial heating-up temperature constant until all material reaches the temperature before formal extrusion
Shi Caineng applies pressure and extruded, and in extrusion, the barrel zone temperature of adjustment is 130-180 DEG C, mold temperature 130-200
DEG C, adjustment engine speed is that 10-30 turns/min, and feeding rotating speed is that 10-25 turns/min；
Step S400, excision forming, after above-mentioned steps high temperature extrusion, calendering formation is again passed by, draws and cuts
It is cut into type.
The present invention is tested for the performance of obtained antistatic wood plastic composite using following method：
Method of testing：Choose above-mentioned according to preparation method obtained three samples in different embodiments, record respectively
For embodiment 1, embodiment 2, embodiment 3, embodiment 4, then the antistatic wood plastic composite for taking the common method of use to prepare
It is as a comparison sample, its properties is tested, including moisture content (%), bending strength (MPa), the modulus of elasticity in static bending
(MPa), thickness swelling rate (%), dimensional stability (%), burst size of methanal (mg/L) and resistivity (Ω/sq), test
As a result it is as follows：
Test result：Antistatic wood plastic composite disclosed by the invention is can be seen that from the test of upper several samples
Moisture content, bending strength, the modulus of elasticity in static bending, thickness swelling rate, dimensional stability, burst size of methanal and resistivity have
Very big improvement, this is parameter testing result important selected in the embodiment of the present invention, is not restricted to correlation of the invention
Other performance parameters improvement.
The advantage of the invention is that：The present invention uses bulk density position 0.1-0.4g/ml graphene powder so that its energy
It is sufficiently mixed with PVC, the Graphene powder of layer structure can be uniformly distributed in PVC, and form network structure with PVC so that this
It is excellent to invent the wood plastic composite items mechanical performance prepared, and there is good antistatic property, antistatic property (resistance
Rate) 10 can be reached6Ω/sq the order of magnitude, and whole simple production process is stable, is adapted to industrialized production.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (10)
1. a kind of antistatic wood plastic composite, it is characterised in that be made up of according to parts by weight the following raw material：
PVC resin powder 30-60 parts, calcareous filler 10-30 parts, plant fiber powder 15-25 parts, plasticising conditioning agent 1-5 parts, processing
Auxiliary agent 1-3 parts, stabilizer 2-6 parts, lubricant 1-3 parts, toughener 1-5 parts, antistatic additive 10-20 parts.
2. a kind of antistatic wood plastic composite according to claim 1, it is characterised in that according to parts by weight by as follows
Raw material forms：
45 parts of PVC resin powder, 20 parts of calcareous filler, 20 parts of plant fiber powder, 3 parts of conditioning agent of plasticising, 2 parts of processing aid, ring
Protect 4 parts of stabilizer, 2 parts of lubricant, 3 parts of toughener, 15 parts of antistatic additive.
3. a kind of antistatic wood plastic composite according to claim 1, it is characterised in that described calcareous filler is
The precipitated calcium carbonate of 800-1000 mesh.
4. a kind of antistatic wood plastic composite according to claim 1, it is characterised in that the plasticising conditioning agent is double
At least one of methyl esters and styrene, described processing aid are at least one of dibutyl ester and adipic acid.
5. a kind of antistatic wood plastic composite according to claim 1, it is characterised in that the stabilizer is calcium
Zinc stabilizer, the lubricant are Tissuemat E, and the toughener is acrylate.
6. a kind of antistatic wood plastic composite according to claim 1, it is characterised in that the antistatic additive is graphite
Alkene, graphene bulk density are 0.1-0.4g/ml, granularity 30-200um, thickness 5-50nm, and carbon content is more than or equal to
95%.
7. a kind of preparation method of antistatic wood plastic composite, it is characterised in that comprise the following steps：
S100, pretreatment of raw material, plant fiber powder is dried at a temperature of 110 DEG C -130 DEG C according to above-mentioned parts by weight, makes it
Water content<1%；
S200, mixed at high speed, the string after processing and PVC resin powder, calcareous filler, plasticising conditioning agent, processing are helped
Agent, stabilizer, lubricant, toughener and antistatic additive are after 110-130 DEG C of high-speed stirred mixes 15-30min, then cool down
Barrel is put into 40-60 DEG C to cool down to obtain mixed powder；
S300, temperature control extrusion, extruder is added by the mixed powder after above-mentioned processing, and continuous heating is to 120-180 DEG C,
In extrusion, the barrel zone temperature of adjustment is 130-180 DEG C, and mold temperature is 130-200 DEG C, adjustment engine speed be 10-30 turn/
Min, feeding rotating speed are that 10-25 turns/min；
S400, excision forming, after above-mentioned steps high temperature extrusion, again pass by calendering formation, traction and excision forming.
8. the preparation method of a kind of antistatic wood plastic composite according to claim 7, it is characterised in that in step
In S100, the specific drying operation of the plant fiber powder is：
S101, according to parts by weight appropriate plant fiber powder is chosen in drying unit；
S102, drying unit is carried out to be heated to 110 DEG C -130 DEG C, and it is 2-4 DEG C/min to control average heating rate；
S103, when temperature reaches drying temperature, maintain heating-up temperature it is constant in the range of said temperature, and continue stirring plant
Fibres powder, during drying, 8-10mL pure water is added into drying unit per 30-40min, until string
Powder is dried to water content less than 10%, afterwards with regard to continuous high temperature drying until water content is less than 1%.
9. the preparation method of a kind of antistatic wood plastic composite according to claim 7, it is characterised in that in step
In S200, in the temperature-fall period after high-temperature stirring 15-30min, average rate of temperature fall is not less than 10-15 DEG C/min.
10. the preparation method of a kind of antistatic wood plastic composite according to claim 7, it is characterised in that in step
In S300, it is necessary to maintain initial constant ability when all material reaches the temperature of heating-up temperature before formally extrusion
Pressure can be applied to be extruded.
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| CN201711315715.6A CN107880448A (en) | 2017-12-12 | 2017-12-12 | A kind of antistatic wood plastic composite and preparation method thereof |
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| CN201711315715.6A CN107880448A (en) | 2017-12-12 | 2017-12-12 | A kind of antistatic wood plastic composite and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320871A (en) * | 2018-09-04 | 2019-02-12 | 山东霞光集团有限公司 | A kind of electro-magnetic shielding wood plastic composite material and preparation method |
| CN109401119A (en) * | 2018-09-19 | 2019-03-01 | 山东霞光集团有限公司 | Graphene Modified wood plastic anti-static function material and preparation method thereof |
| CN110499037A (en) * | 2019-09-09 | 2019-11-26 | 宜兴市华龙塑木新材料有限公司 | Antistatic plastic-wood section and its preparation process |
| CN111234551A (en) * | 2020-03-04 | 2020-06-05 | 江苏福瑞森塑木科技股份有限公司 | On-line embossing high-strength anti-slip plastic-wood composite material plate and preparation method thereof |
| CN114752161A (en) * | 2022-05-26 | 2022-07-15 | 黄山美森新材料科技股份有限公司 | Antistatic plastic-wood composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105218970A (en) * | 2015-09-30 | 2016-01-06 | 东莞市华立实业股份有限公司 | A kind of antistatic PVC base wood-plastic composite material and preparation method thereof |
| CN107141657A (en) * | 2017-06-29 | 2017-09-08 | 安徽国风木塑科技有限公司 | A kind of antistatic co-extrusion wood plastic composite |
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2017
- 2017-12-12 CN CN201711315715.6A patent/CN107880448A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105218970A (en) * | 2015-09-30 | 2016-01-06 | 东莞市华立实业股份有限公司 | A kind of antistatic PVC base wood-plastic composite material and preparation method thereof |
| CN107141657A (en) * | 2017-06-29 | 2017-09-08 | 安徽国风木塑科技有限公司 | A kind of antistatic co-extrusion wood plastic composite |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320871A (en) * | 2018-09-04 | 2019-02-12 | 山东霞光集团有限公司 | A kind of electro-magnetic shielding wood plastic composite material and preparation method |
| CN109401119A (en) * | 2018-09-19 | 2019-03-01 | 山东霞光集团有限公司 | Graphene Modified wood plastic anti-static function material and preparation method thereof |
| CN110499037A (en) * | 2019-09-09 | 2019-11-26 | 宜兴市华龙塑木新材料有限公司 | Antistatic plastic-wood section and its preparation process |
| CN111234551A (en) * | 2020-03-04 | 2020-06-05 | 江苏福瑞森塑木科技股份有限公司 | On-line embossing high-strength anti-slip plastic-wood composite material plate and preparation method thereof |
| CN114752161A (en) * | 2022-05-26 | 2022-07-15 | 黄山美森新材料科技股份有限公司 | Antistatic plastic-wood composite material and preparation method thereof |
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