CN108641387A - A method of preparing wood plastic composite using walnut sawdust - Google Patents
A method of preparing wood plastic composite using walnut sawdust Download PDFInfo
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- CN108641387A CN108641387A CN201810250376.6A CN201810250376A CN108641387A CN 108641387 A CN108641387 A CN 108641387A CN 201810250376 A CN201810250376 A CN 201810250376A CN 108641387 A CN108641387 A CN 108641387A
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- wood plastic
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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
- C08K2003/2227—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
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention provides a kind of method preparing wood plastic composite using walnut sawdust, includes the following steps：Sawdust processing, batch mixing, granulation and molding.Sawdust is first modified processing by the preparation method with calcium stearate and nano aluminium oxide, is then mixed, is granulated and is molded with treated basalt fiber, glass fibre, thermoplastic resin, nano zine oxide and magnesium salt whisker.The wood plastic composite of preparation uses walnut sawdust and thermoplastic resin for major ingredient, is conducive to the recycling of waste material and leftover pieces, can be energy saving, alleviates environmental pressure；And with preferable corrosion-resistant and mechanical property.
Description
Technical field
The present invention relates to timber utilization technology fields, and in particular to a kind of to prepare wood plastics composite using walnut sawdust
The method of material.
Background technology
Sawdust is the tailing or waste material after timber processing, is used as fuel by peasant household in previous major part, with new energy
Appearance, the fuel functional of sawdust starts to weaken significantly, industrializes a large amount of occupied grounds of discarded wood sawdust of generation, pollutes ring
Border, production operating that is serious or even influencing processing enterprise.A kind of top-grade furniture material carried out by walnut has resistance to collision mill
It wipes, is corrosion-resistant, easy construction, easy what is glued, shrinking percentage is small, it is not easy to which the advantages that cracking not only is polluted if arbitrarily abandoned
Environment, and pole is caused greatly to waste.
Wood plastic composite is a kind of advanced composite material (ACM) being surging forward in recent years both at home and abroad, refers to and utilize polyethylene, poly- third
Alkene and polyvinyl chloride etc., instead of common resin adhesive, and more than the useless plant such as the wood powder of 35%-70% or more, rice husk, stalk
Fibres are mixed into new wood materials, then through plastic processings such as extruding, molding, injection moldings, the plank produced or
Proximate matter.It is mainly used for the industries such as building materials, furniture, logistics packaging.Wood plastic composite is in performance upper set timber and plastics
Two-fold advantage, low-carbon environment-friendly characteristic remarkable have raw material resources, product plasticization, the environmental protection advantages such as renewable, and complying with can hold
The main trend of supervention exhibition.
Therefore, walnut sawdust is used to prepare to corrosion-resistant, wear-resisting high-performance wood-plastic composite material, it can not only waste
It utilizes, increases economic efficiency, and energy environmental protection, there are preferable market prospects.
Invention content
The goal of the invention of the present invention is, in view of the above-mentioned problems, offer is a kind of to prepare wood and plastic composite using walnut sawdust
The method of material uses walnut sawdust and thermoplastic resin to be prepared for major ingredient, is conducive to the recycling of waste material and leftover pieces, can be with
It is energy saving, alleviate environmental pressure；And the wood plastic composite prepared has preferable corrosion-resistant and mechanical property.
In order to achieve the above objectives, the technical solution adopted in the present invention is：
A method of wood plastic composite being prepared using walnut sawdust, is included the following steps：
S1. sawdust is handled
By 1~5 part of 50~70 parts of walnut sawdust, 5~8 parts of calcium stearate and nano aluminium oxide addition ball mill, stirring
10~30min obtains modified wood chips.
S2. batch mixing
3~15 parts of treated basalt fiber, 3~10 parts of glass fibre, thermoplastic resin are added into the modified wood chips
20~40 parts, 1~3 part of 1~5 part of nano zine oxide and magnesium salt whisker are uniformly mixed to obtain mixture.
S3. it is granulated
0.1~1 part of 0.1~1 part of heat stabilizer, 0.1~1 part of lubricant and solubilizer are added into the mixture, after
20~40min of continuous stirring prepares wood plastic particles then by double-screw extruding pelletizing, and processing temperature is 150~160 DEG C.
S4. it is molded
The wood plastic particles are added to extrusion molding in double screw extruder, processing temperature is 170~180 DEG C, then
It shapes through shaper, obtains wood plastic composite.
Preferably, in step S2, the treated basalt fiber is impregnated or is coated by modifying agent by basalt fibre
It handles, the modifying agent includes：35~50% film forming agent, 5~15% coupling agent, 1~5% lubricant, 5~
10% modified Nano SiO2Particle, remaining is water.
Preferably, in step S2, thermoplastic resin is one kind in polyamide, polyethylene and makrolon.
Preferably, in step S3, the lubricant includes one kind or more of stearic acid, calcium stearate, zinc stearate, paraffin
Kind.
Preferably, in step S3, the solubilizer is polypropylene grafted acrylic acid, ethylene-octene copolymer grafting Malaysia
The one or two of acid anhydrides or polypropylene grafted maleic anhydride.
Preferably, in step S3, the heat stabilizer is one kind in complex lead salt stabilizer, organic tin stabilizer.
Due to the adoption of the above technical scheme, the invention has the advantages that：
1. the method for the present invention for preparing wood plastic composite using walnut sawdust, using walnut sawdust and heat
Plastic resin is prepared for major ingredient, is conducive to the recycling of waste material and leftover pieces, can be energy saving, alleviates environmental pressure.
Walnut, have resistance to collisions friction, it is corrosion-resistant, it is easy construction, be easy to gluing, shrinking percentage it is small, it is not easy to crack
The advantages that, the preferable corrosion resistance of wood plastic composite and stable mechanical property can be assigned.
By adding bulking agent, lubricant and stabilizer, the compatibility of wood powder and thermoplastic resin is would be even more beneficial to, is solved
The wood powder surface of polar hydrophilic is the compatible problem of polyhydroxy structure and nonpolar lipophile thermoplastic resin；Pass through addition
Reinforcing agent increases the raising of the intensity and mechanical property of wood plastic composite matrix.Wood moulding is improved by adding nano zine oxide
The toughness and ageing-resistant performance of composite material.
2. the method for the present invention for preparing wood plastic composite using walnut sawdust adds treated basalt fiber
And glass fibre, synergistic effect, the common mechanical property for improving wood plastic composite especially enhance the strong of wood plastic composite
Degree.In order to improve the interface compatibility of basalt fibre and thermoplastic resin, the mechanical property of wood plastic composite is improved, changing
Property Nano-meter SiO_22Uniform particle is scattered in size surface coating modified to basalt fibre progress.This method effectively increases
Basalt fibre surface roughness and lipophile are added, basalt fibre are made to be significantly improved with thermoplastic resin interface compatibility.
Modified Nano SiO2Particle plays bridging action in basalt fibre and thermoplastic resin, to improve the entirety of wood plastic composite
Mechanical property.
3. the method for the present invention for preparing wood plastic composite using walnut sawdust, magnesium salt whisker has very high
Fracture strength and elasticity modulus.Whisker can flexibly bear larger strain without permanent deformation, and whisker also exists through 4% strain
In elastic range, permanent deformation is not generated, to assign Wood-plastic material higher stability.With the addition of magnesium salt whisker, carry
The high compression strength and flexibility of Wood-plastic material, further improves the compression strength and flexibility of material.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be 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 method of wood plastic composite being prepared using walnut sawdust, is included the following steps：
S1. sawdust is handled
By 4 parts of 60 parts of walnut sawdust, 6 parts of calcium stearate and nano aluminium oxide addition ball mills, 20min is stirred, is obtained
Modified wood chips.
S2. batch mixing
3 parts of treated basalt fiber, 6 parts of glass fibre, 30 parts of thermoplastic resin, nanometer are added into the modified wood chips
2 parts of 3 parts of zinc oxide and magnesium salt whisker are uniformly mixed to obtain mixture.
The treated basalt fiber is impregnated by modifying agent by basalt fibre or coating processing forms, the modification
Agent includes：40% film forming agent, 10% coupling agent, 3% lubricant, 8% modified Nano SiO2Particle, remaining is water.
Thermoplastic resin is polyamide.
S3. it is granulated
0.5 part of 0.5 part of heat stabilizer, 0.5 part of lubricant and solubilizer are added into the mixture, continues to stir
30min prepares wood plastic particles then by double-screw extruding pelletizing, and processing temperature is 155 DEG C.
The lubricant includes stearic acid and calcium stearate.The solubilizer is that polypropylene grafted acrylic acid and polypropylene connect
Branch maleic anhydride.The heat stabilizer is complex lead salt stabilizer.
S4. it is molded
The wood plastic particles are added to extrusion molding in double screw extruder, processing temperature is 175 DEG C, then through sizing
Mould shape obtains wood plastic composite.
Embodiment 2
A method of wood plastic composite being prepared using walnut sawdust, wherein in step S2. batch mixings, to the modification
5 parts of treated basalt fiber, 6 parts of glass fibre, 30 parts of thermoplastic resin are added in sawdust, 3 parts of nano zine oxide and magnesium salts are brilliant
Must be 2 parts, it is uniformly mixed to obtain mixture.Other steps are the same as embodiment 1.
Embodiment 3
A method of wood plastic composite being prepared using walnut sawdust, wherein in step S2. batch mixings, to the modification
10 parts of treated basalt fiber, 6 parts of glass fibre, 30 parts of thermoplastic resin are added in sawdust, 3 parts of nano zine oxide and magnesium salts are brilliant
Must be 2 parts, it is uniformly mixed to obtain mixture.Other steps are the same as embodiment 1.
Embodiment 4
A method of wood plastic composite being prepared using walnut sawdust, wherein in step S2. batch mixings, to the modification
12 parts of treated basalt fiber, 6 parts of glass fibre, 30 parts of thermoplastic resin are added in sawdust, 3 parts of nano zine oxide and magnesium salts are brilliant
Must be 2 parts, it is uniformly mixed to obtain mixture.Other steps are the same as embodiment 1.
Embodiment 5
A method of wood plastic composite being prepared using walnut sawdust, wherein in step S2. batch mixings, to the modification
15 parts of treated basalt fiber, 6 parts of glass fibre, 30 parts of thermoplastic resin are added in sawdust, 3 parts of nano zine oxide and magnesium salts are brilliant
Must be 2 parts, it is uniformly mixed to obtain mixture.Other steps are the same as embodiment 1.
Comparative example 1
A method of wood plastic composite being prepared using walnut sawdust, wherein in step S2. batch mixings, to the modification
2 parts of 6 parts of glass fibre, 30 parts of thermoplastic resin and magnesium salt whisker are added in sawdust, is uniformly mixed to obtain mixture.Other steps are same
Embodiment 1.
Embodiment 1-5 and comparative example 1 wood plastic composite prepared are tested, to bending strength, tensile strength, resisted
Tensile strength, antiseptic property and resistance to UV aging are tested.It is 340nm, radiation intensity that ultraviolet ageing performance, which is in wavelength,
For 0.8W/m2, 8h, followed by the condensation cycle process of 4h are irradiated at present 50 DEG C, temperature is 40 DEG C.Herein, mainly with
The index that falls to of bending strength weighs resistance to UV aging.The main test acid resistance of antiseptic property, in 5% salt acid soak
For 24 hours, surface state is observed.
1 embodiment 1-5 of table and the comparison of 1 test result of comparative example
Wood plastics composite prepared by the present invention is can be seen that from the data of embodiment 1-5 and the data combination table 1 of comparative example 1
Material has preferable intensity, toughness and antiseptic property, and resistance to UV aging is preferable.
It can be seen that from the data of embodiment 1-5 as treated basalt fiber content is increasing, wood plastic composite
Anti-shock strength, bending strength and tensile strength have different degrees of raising, but as content increases, growth trend is put
It is flat, and have downward trend, the reason is that when content is excessive, the compatibility between material can be influenced, to influence overall mechanical properties,
Therefore, it should strictly control its content.
Embodiment 6
A method of wood plastic composite being prepared using walnut sawdust, is included the following steps：
S1. sawdust is handled
By 5 parts of 70 parts of walnut sawdust, 8 parts of calcium stearate and nano aluminium oxide addition ball mills, 30min is stirred, is obtained
Modified wood chips.
S2. batch mixing
12 parts of treated basalt fiber, 5 parts of glass fibre, 40 parts of thermoplastic resin are added into the modified wood chips, receives
3 parts of 5 parts of rice zinc oxide and magnesium salt whisker, are uniformly mixed to obtain mixture.
The treated basalt fiber is impregnated by modifying agent by basalt fibre or coating processing forms, the modification
Agent includes：50% film forming agent, 10% coupling agent, 5% lubricant, 10% modified Nano SiO2Particle, remaining is water.
Thermoplastic resin is makrolon.
S3. it is granulated
1 part of 1 part of heat stabilizer, 1 part of lubricant and solubilizer are added into the mixture, continues to stir 40min, then
By double-screw extruding pelletizing, wood plastic particles are prepared, processing temperature is 160 DEG C.
The lubricant includes zinc stearate and paraffin.The solubilizer is ethylene-octene copolymer grafted maleic anhydride.
The heat stabilizer is in organic tin stabilizer.
S4. it is molded
The wood plastic particles are added to extrusion molding in double screw extruder, processing temperature is 180 DEG C, then through sizing
Mould shape obtains wood plastic composite.
Comparative example 2
Walnut sawdust is replaced with into pine sawdust, remaining step is the same as embodiment 6.
Wood plastic composite prepared by embodiment 6 and comparative example 2 is tested.
2 embodiment 6 of table and the comparison of 2 test result of comparative example
Wood and plastic composite prepared by the present invention is can be seen that from the data of the data combination table 2 of embodiment 6 and comparative example 2
Material has preferable intensity, toughness and antiseptic property, and resistance to UV aging is preferable.Walnut sawdust compared with pine,
The antiseptic property of the wood plastic composite of preparation is preferable.
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 claims of the present invention.
Claims (6)
1. a kind of method preparing wood plastic composite using walnut sawdust, which is characterized in that include the following steps：
S1. sawdust is handled
By 1~5 part of 50~70 parts of walnut sawdust, 5~8 parts of calcium stearate and nano aluminium oxide addition ball mill, stirring 10~
30min obtains modified wood chips；
S2. batch mixing
Into the modified wood chips be added 3~15 parts of treated basalt fiber, 3~10 parts of glass fibre, thermoplastic resin 20~
1~3 part of 40 parts, 1~5 part of nano zine oxide and magnesium salt whisker are uniformly mixed to obtain mixture；
S3. it is granulated
0.1~1 part of 0.1~1 part of heat stabilizer, 0.1~1 part of lubricant and solubilizer are added into the mixture, continues to stir
20~40min is mixed, then by double-screw extruding pelletizing, prepares wood plastic particles, processing temperature is 150~160 DEG C；
S4. it is molded
The wood plastic particles are added to extrusion molding in double screw extruder, processing temperature is 170~180 DEG C, then through fixed
Type mould shape, obtains wood plastic composite.
2. the method according to claim 1 for preparing wood plastic composite using walnut sawdust, which is characterized in that step
In S2, the treated basalt fiber is impregnated by modifying agent by basalt fibre or coating processing forms, the modifying agent
Including：35~50% film forming agent, 5~15% coupling agent, 1~5% lubricant, 5~10% modified Nano SiO2Grain
Son, remaining is water.
3. the method according to claim 1 for preparing wood plastic composite using walnut sawdust, which is characterized in that step
In S2, thermoplastic resin is one kind in polyamide, polyethylene and makrolon.
4. the method according to claim 1 for preparing wood plastic composite using walnut sawdust, which is characterized in that step
In S3, the lubricant include stearic acid, calcium stearate, zinc stearate, paraffin it is one or more.
5. the method according to claim 1 for preparing wood plastic composite using walnut sawdust, which is characterized in that step
In S3, the solubilizer is polypropylene grafted acrylic acid, ethylene-octene copolymer grafted maleic anhydride or polypropylene grafted Malaysia
The one or two of acid anhydrides.
6. the method according to claim 1 for preparing wood plastic composite using walnut sawdust, which is characterized in that step
In S3, the heat stabilizer is one kind in complex lead salt stabilizer, organic tin stabilizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810250376.6A CN108641387A (en) | 2018-03-26 | 2018-03-26 | A method of preparing wood plastic composite using walnut sawdust |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810250376.6A CN108641387A (en) | 2018-03-26 | 2018-03-26 | A method of preparing wood plastic composite using walnut sawdust |
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| CN201810250376.6A Withdrawn CN108641387A (en) | 2018-03-26 | 2018-03-26 | A method of preparing wood plastic composite using walnut sawdust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666669A (en) * | 2021-08-05 | 2021-11-19 | 江苏从一家居股份有限公司 | Fireproof durable fiber composite door plate and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747639A (en) * | 2008-12-12 | 2010-06-23 | 比亚迪股份有限公司 | Wood plastic composite composition, wood plastic composite and preparation method thereof |
| CN103254653A (en) * | 2013-05-27 | 2013-08-21 | 东北林业大学 | Basalt fiber reinforced wood-plastic composite material and preparation method thereof |
| CN104073012A (en) * | 2014-06-30 | 2014-10-01 | 江苏旭华圣洛迪建材有限公司 | Basalt long-fibre-reinforced wood-plastic sectional material and preparation method thereof |
| CN105001659A (en) * | 2015-08-13 | 2015-10-28 | 许超群 | Highly-wear-resistant wood-plastic composite and preparation method thereof |
| CN107200867A (en) * | 2017-06-15 | 2017-09-26 | 中北大学 | Basalt fibre nano surface coats the preparation method and application of multi-scale reinforcing body |
-
2018
- 2018-03-26 CN CN201810250376.6A patent/CN108641387A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747639A (en) * | 2008-12-12 | 2010-06-23 | 比亚迪股份有限公司 | Wood plastic composite composition, wood plastic composite and preparation method thereof |
| CN103254653A (en) * | 2013-05-27 | 2013-08-21 | 东北林业大学 | Basalt fiber reinforced wood-plastic composite material and preparation method thereof |
| CN104073012A (en) * | 2014-06-30 | 2014-10-01 | 江苏旭华圣洛迪建材有限公司 | Basalt long-fibre-reinforced wood-plastic sectional material and preparation method thereof |
| CN105001659A (en) * | 2015-08-13 | 2015-10-28 | 许超群 | Highly-wear-resistant wood-plastic composite and preparation method thereof |
| CN107200867A (en) * | 2017-06-15 | 2017-09-26 | 中北大学 | Basalt fibre nano surface coats the preparation method and application of multi-scale reinforcing body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666669A (en) * | 2021-08-05 | 2021-11-19 | 江苏从一家居股份有限公司 | Fireproof durable fiber composite door plate and preparation method thereof |
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Application publication date: 20181012 |