CN109320987A - A kind of anticorrosive wood-plastic material and preparation method thereof - Google Patents
A kind of anticorrosive wood-plastic material and preparation method thereof Download PDFInfo
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- 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
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- 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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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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- C08L33/20—Homopolymers or copolymers of acrylonitrile
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- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention provides a kind of anticorrosive wood-plastic material and preparation method thereof.Anticorrosive wood-plastic material, comprising the following steps: be prepared from the following raw materials according to parts by weight: 30~60 parts of wood dust, 20~50 parts of resin, 5~15 parts of treated basalt fiber, 0.1~1 part of heat stabilizer, 0.1~1 part of lubricant, 0.1~1 part of solubilizer, 1~5 part of nano zine oxide, 1~2 part of mould inhibitor；The mould inhibitor is prepared from the following raw materials according to parts by weight: 5~15 parts of nano zine oxide, 5~10 parts of nano silica, 5~10 parts of tannic acid, 1~3 part of triethanolamine, 1~5 part of aluminate coupling agent, 1~5 part of White Mineral Oil, 1~3 part of olive oil, 1~3 part of litsea citrate oil, 0.5~1.5 part of palmitinic acid, 2~5 parts of glycerin monostearate.It is major ingredient using wood dust and resin, addition treated basalt fiber, nanometer calcium carbonate and mould inhibitor improve the anti-corrosion effect of Wood-plastic material.
Description
Technical field
The present invention relates to Wood-plastic material technical fields, and in particular to a kind of anticorrosive wood-plastic material and preparation method thereof.
Background technique
Wood moulding, i.e. wood plastic composite are a kind of advanced composite material (ACM)s being surging forward in recent years both at home and abroad, refer to and utilize poly- second
Alkene, polypropylene and polyvinyl chloride etc., instead of common resin adhesive, with wood powder, rice husk, the stalk more than 35~70% or more
It is mixed into new wood materials etc. useless plant fiber, then through plastic processings such as extruding, molding, injection mouldings, produces
Plate or profile.It has long service life, beauty, renewable, low cost, antiskid, sprayable, than pure plastic product hardness
High, the advantages that being processed, be bonded and being fixed as timber, especially using waste plastic and wood machining residues
Or stalk as primary raw material when, also with the outstanding advantage in terms of the utilization of resources and environmental protection.
Have the advantages that just because of wood plastic composite many, wood plastic composite is suffered from many fields and widely answered
With, such as door and window, floor, the construction material of wall, marine material, fence material, furniture material, automotive material etc..With wood
The application of plastic composite materials is more and more wider, and many fields have higher requirement to wood plastic composite again, such as interior decoration,
There is fire-retardant requirement in the indoor applications such as furniture field to wood plastic composite, to reduce the risk of fire.
Sawdust is sawdust, the wood shavings powder etc. left when timber processing, from a wealth of sources, and wood dust is a kind of important life
Physical resources can be used as the wood powder of wood plastic composite.For the angle of raw materials for production, wood plastic composite slows down and exempts
The public hazards pollution of plastic refuse also eliminates wood dust and piles up and burns and gives the pollution of environment bring.
Wood plastic composite is due to being filled with a large amount of plant fiber, although by plastic overmold, in certain wet condition
Under good living environment can be still provided for fungi, cause wood plastic composite mildew, rot, so as to shorten service life.
In addition, mildew can make surface of wood-plastic composite material generate macroscopic mould spot, its beauty is influenced.
Summary of the invention
Goal of the invention of the invention is, in view of the above-mentioned problems, providing a kind of anticorrosive wood-plastic material, to utilize wood dust and resin
For major ingredient, treated basalt fiber, nanometer calcium carbonate and mould inhibitor are added, the anti-corrosion effect of Wood-plastic material is improved.
In order to achieve the above objectives, the technical scheme adopted by the invention is that:
A kind of anticorrosive wood-plastic material, is prepared from the following raw materials according to parts by weight:
30~60 parts of wood dust, 20~50 parts of resin, 5~15 parts of treated basalt fiber, 1~5 part of nanometer calcium carbonate, heat
0.1~1 part of stabilizer, 0.1~1 part of lubricant, 0.1~1 part of solubilizer, 1~5 part of nano zine oxide, 1~2 part of mould inhibitor；
The mould inhibitor is prepared from the following raw materials according to parts by weight:
5~15 parts of nano zine oxide, 5~10 parts of nano silica, 5~10 parts of tannic acid, 1~3 part of triethanolamine, aluminium
1~5 part of acid esters coupling agent, 1~5 part of White Mineral Oil, 1~3 part of olive oil, 1~3 part of litsea citrate oil, 0.5~1.5 part of palmitinic acid, list
2~5 parts of tristerin.
Preferably, the treated basalt fiber is impregnated by basalt fibre by modifying agent or coating processing forms,
The modifying agent include: 20~40% acrylic resin, 5~15% silane coupling agent, 1~5% carboxylic acid, 5~10%
Nanometer SiO 2 particle, remaining is water.
Preferably, the mould inhibitor the preparation method comprises the following steps: alcohol solvent is added in nano zine oxide and nano silica
In be uniformly dispersed, add palmitinic acid, tannic acid, triethanolamine and aluminate coupling agent and be stirred to react, be filtered, washed, it is dry
Afterwards, White Mineral Oil, olive oil, litsea citrate oil and glycerin monostearate heating reaction is added, is filtered, washed, it is dry, it obtains mould proof
Agent.
Preferably, the resin is polypropylene, polyethylene, polyvinyl chloride, polycarbonate, polyurethane, poly terephthalic acid
One or more of glycol ester, styrene-acrylonitrile-butadiene copolymer, polyacrylonitrile, nylon.
Preferably, the lubricant includes the one or more of stearic acid, calcium stearate, zinc stearate, paraffin.
Preferably, the solubilizer is polypropylene grafted acrylic acid, ethylene-octene copolymer grafted maleic anhydride or poly- third
The one or two of alkene grafted maleic anhydride.
Preferably, the heat stabilizer is one of complex lead salt stabilizer, organic tin stabilizer.
A kind of preparation method of anticorrosive wood-plastic material, comprising the following steps:
S1. each raw material is weighed according to the parts by weight, and wood dust, resin and treated basalt fiber is uniformly mixed,
And dry to obtain mixture.
S2. heat stabilizer, lubricant, solubilizer, preservative, nanometer calcium carbonate and nano oxygen are added into the mixture
Change zinc and continue 20~40min of stirring, is then granulated and obtains particulate material.
S3. thermo-pressing moulder is added in the particulate material, it is hot in the case where temperature is 180~200 DEG C, pressure is 13~15Mpa
Pressure 10~20min of sizing, can be obtained anticorrosive wood-plastic material.
Due to the adoption of the above technical scheme, the invention has the following advantages:
1. anticorrosive wood-plastic material of the invention is major ingredient using wood dust and resin, adds treated basalt fiber, nanometer
Calcium carbonate and mould inhibitor improve the anti-corrosion effect of Wood-plastic material.
Adding treated basalt fiber improves the mechanical property of Wood-plastic material, especially enhances the intensity of Wood-plastic material.In order to
The interface compatibility for improving basalt fibre and resin, improves the mechanical property of Wood-plastic material, modified Nano SiO2Particle is equal
It is even be scattered in size to basalt fibre carry out it is surface coating modified.This method effectively increases basalt fibre table
Surface roughness and lipophilicity, significantly improve basalt fibre with resin boundary surface compatibility.Modified Nano SiO2Particle is in the Black Warrior
Rock fiber and resin play bridging action, to improve the intensity of Wood-plastic material.
Preservative uses nano material nano zine oxide and nano silica combination litsea citrate oil, palmitinic acid, significantly mentions
The antibacterial and mouldproof performance of high Wood-plastic material.Aluminate coupling agent, glycerin monostearate etc. are selected, can adjust sawdust surface hydroxyl
Base, amino isoreactivity group are so as to improve the compatibility of this kind of nonpolar substrates of itself and resin, to improve Wood-plastic material
Bending strength and the mechanical properties such as compression strength.
The addition of nanometer calcium carbonate can improve the rheological characteristic of resin, improve its mouldability, allow the better sawdust of resin
Powder improves interface binding intensity, toughened and reinforced, improves the bending strength and bending elastic modulus of wood plastic composite, thermal deformation
Temperature and dimensional stability.
2. anticorrosive wood-plastic material of the invention, by addition expanding material, lubricant and stabilizer, would be even more beneficial to wood powder with
The compatibility of waste plastic polymer, the wood powder surface for solving polar hydrophilic is that polyhydroxy structure and nonpolarity are lipophilic useless
Abandon the compatible problem of plastics；The raising for increasing the intensity and mechanical property of Wood-plastic material matrix by adding reinforcing agent.Pass through
Add toughness and ageing-resistant performance that nano zine oxide improves Wood-plastic material.
3. anticorrosive wood-plastic material of the invention, due to Nano-meter SiO_22Partial size is small, large specific surface area, has hydrophilic radical
(OH), high surface activity, stability is poor, is not easy to disperse in the polymer so that easily mutually reuniting between particle, and by
A series of excellent characteristics caused by nano effect can be weakened or disappear.Simultaneously because SiO2Surface hydrophilic oleophobic is in organic media
In be difficult to infiltrate and disperse, be directly filled into material, be difficult to play its effect, in order to avoid this phenomenon occurs just to need at it
Particle surface carries out graft modification.Then by modified Nano SiO2Particle combination acrylic resin, silane coupling agent and carboxylic acid pair
Basalt fibre is modified processing, can more significantly improve the intensity of Wood-plastic material.
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.
Embodiment 1
A kind of anticorrosive wood-plastic material, is prepared from the following raw materials according to parts by weight:
30~60 parts of wood dust, 20~50 parts of resin, 5~15 parts of treated basalt fiber, 1~5 part of nanometer calcium carbonate, heat
0.1~1 part of stabilizer, 0.1~1 part of lubricant, 0.1~1 part of solubilizer, 1~5 part of nano zine oxide, 1~2 part of mould inhibitor；
The mould inhibitor is prepared from the following raw materials according to parts by weight:
5~15 parts of nano zine oxide, 5~10 parts of nano silica, 5~10 parts of tannic acid, 1~3 part of triethanolamine, aluminium
1~5 part of acid esters coupling agent, 1~5 part of White Mineral Oil, 1~3 part of olive oil, 1~3 part of litsea citrate oil, 0.5~1.5 part of palmitinic acid, list
2~5 parts of tristerin.
The treated basalt fiber is impregnated by basalt fibre by modifying agent or coating processing forms, the modification
Agent includes: 30% acrylic resin, 10% silane coupling agent, 3% carboxylic acid, 6% nanometer SiO 2 particle, remaining is
Water.
The mould inhibitor disperses the preparation method comprises the following steps: nano zine oxide and nano silica are added in alcohol solvent
It is even, it adds palmitinic acid, tannic acid, triethanolamine and aluminate coupling agent and is stirred to react, be filtered, washed, after dry, be added white
Dormant oil, olive oil, litsea citrate oil and glycerin monostearate heating reaction, are filtered, washed, dry, obtain mould inhibitor.
The resin is polyethylene.
The lubricant includes stearic acid and paraffin.
The solubilizer is polypropylene grafted acrylic acid.
The heat stabilizer is complex lead salt stabilizer.
A kind of preparation method of anticorrosive wood-plastic material, comprising the following steps:
S1. each raw material is weighed according to the parts by weight, and wood dust, resin and treated basalt fiber is uniformly mixed,
And dry to obtain mixture.
S2. heat stabilizer, lubricant, solubilizer, preservative, nanometer calcium carbonate and nano oxygen are added into the mixture
Change zinc to continue to stir 30min, is then granulated and obtains particulate material.
S3. thermo-pressing moulder, the thermocompression forming in the case where temperature is 200 DEG C, pressure is 13Mpa is added in the particulate material
Anticorrosive wood-plastic material can be obtained in 10min.
Embodiment 2
A kind of anticorrosive wood-plastic material, is prepared from the following raw materials according to parts by weight:
30~60 parts of wood dust, 20~50 parts of resin, 5~15 parts of treated basalt fiber, 1~5 part of nanometer calcium carbonate, heat
0.1~1 part of stabilizer, 0.1~1 part of lubricant, 0.1~1 part of solubilizer, 1~5 part of nano zine oxide, 1~2 part of mould inhibitor；
The mould inhibitor is prepared from the following raw materials according to parts by weight:
5~15 parts of nano zine oxide, 5~10 parts of nano silica, 5~10 parts of tannic acid, 1~3 part of triethanolamine, aluminium
1~5 part of acid esters coupling agent, 1~5 part of White Mineral Oil, 1~3 part of olive oil, 1~3 part of litsea citrate oil, 0.5~1.5 part of palmitinic acid, list
2~5 parts of tristerin.
The treated basalt fiber is impregnated by basalt fibre by modifying agent or coating processing forms, the modification
Agent includes: 40% acrylic resin, 5% silane coupling agent, 1% carboxylic acid, 10% nanometer SiO 2 particle, remaining is
Water.
The heat stabilizer is in organic tin stabilizer.The mould inhibitor the preparation method comprises the following steps: nano zine oxide and will receive
Rice silica, which is added in alcohol solvent, to be uniformly dispersed, and adds palmitinic acid, tannic acid, triethanolamine and aluminate coupling agent and stirs
Reaction is mixed, is filtered, washed, after dry, White Mineral Oil, olive oil, litsea citrate oil and glycerin monostearate heating reaction, mistake is added
Filter, washing, it is dry, obtain mould inhibitor.
The resin is polycarbonate and polyacrylonitrile.
The lubricant includes calcium stearate and zinc stearate.
The solubilizer is ethylene-octene copolymer grafted maleic anhydride.
The preparation method is the same as that of Example 1.
Embodiment 3
A kind of anticorrosive wood-plastic material, is prepared from the following raw materials according to parts by weight:
30~60 parts of wood dust, 20~50 parts of resin, 5~15 parts of treated basalt fiber, 1~5 part of nanometer calcium carbonate, heat
0.1~1 part of stabilizer, 0.1~1 part of lubricant, 0.1~1 part of solubilizer, 1~5 part of nano zine oxide, 1~2 part of mould inhibitor；
The mould inhibitor is prepared from the following raw materials according to parts by weight:
5~15 parts of nano zine oxide, 5~10 parts of nano silica, 5~10 parts of tannic acid, 1~3 part of triethanolamine, aluminium
1~5 part of acid esters coupling agent, 1~5 part of White Mineral Oil, 1~3 part of olive oil, 1~3 part of litsea citrate oil, 0.5~1.5 part of palmitinic acid, list
2~5 parts of tristerin.
The treated basalt fiber is impregnated by basalt fibre by modifying agent or coating processing forms, the modification
Agent includes: 20% acrylic resin, 15% silane coupling agent, 5% carboxylic acid, 5% nanometer SiO 2 particle, remaining is
Water.
The mould inhibitor disperses the preparation method comprises the following steps: nano zine oxide and nano silica are added in alcohol solvent
It is even, it adds palmitinic acid, tannic acid, triethanolamine and aluminate coupling agent and is stirred to react, be filtered, washed, after dry, be added white
Dormant oil, olive oil, litsea citrate oil and glycerin monostearate heating reaction, are filtered, washed, dry, obtain mould inhibitor.
The resin is polyethylene terephthalate.
The lubricant is paraffin.
The solubilizer polypropylene grafted maleic anhydride.
The heat stabilizer is complex lead salt stabilizer.
The preparation method is the same as that of Example 1.
Comparative example 1
A kind of anticorrosive wood-plastic material does not add mould inhibitor compared with Example 1, other raw materials are identical with preparation method.
Comparative example 2
A kind of anticorrosive wood-plastic material, compared with Example 1, basalt fibre is without modification, other raw materials and system
Preparation Method is identical.
Comparative example 3
A kind of anticorrosive wood-plastic material does not add nanometer calcium carbonate compared with Example 1, other raw materials and preparation method phase
Together.
The embodiment 1-3 and comparative example 1-3 Wood-plastic material prepared is tested, to mean compressive strength, average bending resistance
Intensity, fungicidal properties are tested.As a result such as the following table 2.
The performance test methods of resistance to mildew are as follows:
Inoculated aspergillus niger, Trichoderma viride, penicillium funiculosum, Aureobasidium pullulans, G virens and Chaetomium globosum are in Ma Ling respectively
After cultivating 7-10 days on potato glucose agar medium, with mycotic spore under sterile washing, spore is obtained after sufficiently vibrating and filter
Stoste, spore liquid concentration is adjusted to 1 × 106-1 × 107cfu/mL, is mixed above-mentioned several mycotic spore liquid in equal volume, is obtained
To mixing mycotic spore liquid.The wood moulding specimen surface after mycotic spore liquid is uniformly sprayed on sterilizing will be mixed with chromatography sprayer,
Then wood moulding sample is cultivated 28 days in 28 DEG C, the incubator of relative humidity >=85%, observes and records the mildew feelings of sample
Condition.It is judged referring to fungicidal properties of the table 1 to sample, killed value is lower, shows that the fungicidal properties of material is better；Killed value is got over
Height shows that the fungicidal properties of material is poorer.
1 wood plastic composite fungicidal properties judging quota of table
| The infection area of fungus growth situation and its specimen surface | Killed value |
| It is uninfected by | 0 |
| There is growth trace, but infects area≤10% | 1 |
| A small amount of growth, but infect area 10-30% | 2 |
| Moderate growth, but infect area 30-60% | 3 |
| Severe growth, but infect area >=60% | 4 |
1 embodiment 1-3 of table and the comparison of comparative example 1-3 test result
It can be seen that wood moulding material prepared by the present invention from the data of the data combination table 1 of embodiment 1-3 and comparative example 1-3
Material has preferable intensity and anti-mold effect.
The addition that can be seen that preservative from the data of embodiment 1-3 and the data combination table 1 of comparative example 1 can not only
Wood-plastic material anti-corrosion effect is significantly improved, and sawdust and resin compatible can be improved, to improve the bending resistance of Wood-plastic material
The mechanical properties such as intensity and compression strength.
It can be seen that the basalt by modification from the data of embodiment 1-3 and the data combination table 1 of comparative example 2
Fiber can improve the mechanical property of Wood-plastic material.
The addition that can be seen that nanometer calcium carbonate from the data of embodiment 1-3 and the data combination table 1 of comparative example 3, can change
The rheological characteristic of kind resin, improves the bending strength and bending elastic modulus of wood plastic composite.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim.The same changes or modifications change completed under technical concept suggested by all present invention, should all belong to
In the covered the scope of the patents of the present invention.
Claims (8)
1. a kind of anticorrosive wood-plastic material, which is characterized in that be prepared from the following raw materials according to parts by weight:
30~60 parts of wood dust, 20~50 parts of resin, 5~15 parts of treated basalt fiber, 1~5 part of nanometer calcium carbonate, thermostabilization
0.1~1 part of agent, 0.1~1 part of lubricant, 0.1~1 part of solubilizer, 1~5 part of nano zine oxide, 1~2 part of mould inhibitor；
The mould inhibitor is prepared from the following raw materials according to parts by weight:
5~15 parts of nano zine oxide, 5~10 parts of nano silica, 5~10 parts of tannic acid, 1~3 part of triethanolamine, Aluminate
1~5 part of coupling agent, 1~5 part of White Mineral Oil, 1~3 part of olive oil, 1~3 part of litsea citrate oil, 0.5~1.5 part of palmitinic acid, single tristearin
2~5 parts of acid glyceride.
2. anticorrosive wood-plastic material according to claim 1, which is characterized in that the treated basalt fiber passes through basalt
Fiber by modifying agent impregnate or coating processing form, the modifying agent include: 20~40% acrylic resin, 5~15%
Silane coupling agent, 1~5% carboxylic acid, 5~10% nanometer SiO 2 particle, remaining is water.
3. anticorrosive wood-plastic material according to claim 1, which is characterized in that the mould inhibitor the preparation method comprises the following steps: will receive
Rice zinc oxide and nano silica, which are added in alcohol solvent, to be uniformly dispersed, and adds palmitinic acid, tannic acid, triethanolamine and aluminium
Acid esters coupling agent is stirred to react, and is filtered, washed, and after dry, White Mineral Oil, olive oil, litsea citrate oil and glycerol monostearate is added
Ester heating reaction, is filtered, washed, dry, obtains mould inhibitor.
4. anticorrosive wood-plastic material according to claim 1, which is characterized in that the resin is polypropylene, polyethylene, polychlorostyrene
Ethylene, polycarbonate, polyurethane, polyethylene terephthalate, styrene-acrylonitrile-butadiene copolymer, polypropylene
One or more of nitrile, nylon.
5. anticorrosive wood-plastic material according to claim 1, which is characterized in that the lubricant includes stearic acid, stearic acid
The one or more of calcium, zinc stearate, paraffin.
6. anticorrosive wood-plastic material according to claim 1, which is characterized in that the solubilizer is polypropylene grafted propylene
The one or two of acid, ethylene-octene copolymer grafted maleic anhydride or polypropylene grafted maleic anhydride.
7. anticorrosive wood-plastic material according to claim 1, which is characterized in that the heat stabilizer is stablized for complex lead salt
One of agent, organic tin stabilizer.
8. the just preparation method of the anticorrosive wood-plastic material according to any claim 1-7, which is characterized in that including following step
It is rapid:
S1. each raw material is weighed according to the parts by weight, and wood dust, resin and treated basalt fiber is uniformly mixed, and dries
Do to obtain mixture；
S2. heat stabilizer, lubricant, solubilizer, preservative, nanometer calcium carbonate and nano zine oxide are added into the mixture
Continue 20~40min of stirring, is then granulated and obtains particulate material；
S3. thermo-pressing moulder is added in the particulate material, hot pressing is fixed in the case where temperature is 180~200 DEG C, pressure is 13~15Mpa
Anticorrosive wood-plastic material can be obtained in 10~20min of type.
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| CN113372693A (en) * | 2021-06-29 | 2021-09-10 | 中北大学 | PBSeT-based biodegradable material and preparation method thereof |
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