CN108948762A - A kind of polypropylene fire retardant wood-plastic composite panel and preparation method - Google Patents
A kind of polypropylene fire retardant wood-plastic composite panel and preparation method Download PDFInfo
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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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- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention discloses a kind of polypropylene fire retardant wood-plastic composite panel and preparation method, the raw material including following parts by weight: 100 parts of PP resin, 20-40 parts of PLA resin, 100-200 parts of wood powder, 5-15 parts of conch meal, 20-40 parts of nanometer calcium carbonate, 5-10 parts of aramid fiber, 5-10 parts of sepiolite fibre, 1-3 parts of PE wax expanding material of maleic acid grafting, 1-3 parts of plasticizer, 0.5-2 parts of fire retardant, 1-3 parts of stabilizer, 1-3 parts of methyl allyl polyoxyethylene ether, 0.5-2 parts of octaphenyl cagelike silsesquioxane, 1-3 parts of phytic acid and 1-2 parts of acrylic acid rosin polyoxyethylene sucrose ester.The coordinative role of each component of the present invention, compatibility is good, the polypropylene wood plastic composite board of preparation have many advantages, such as high-intensitive, shock resistance is strong, it is wear-resisting, weather-proof, heat-resisting, be unlikely to deform, stability is good, good flame resistance, good anti-bacterial effect.
Description
Technical field
The invention belongs to Wood-plastic material technical field, it is specifically related to a kind of polypropylene fire retardant wood-plastic composite panel and preparation
Method.
Background technique
Polypropylene wood-plastic composite material is to utilize the dusty materials such as wood powder or other straws, seed shell and PP resin
For primary raw material, various processing aids are added, through a kind of advanced composite material (ACM) prepared by mixing and processing and forming.It has excellent
Good physical mechanical property, physical property is uniform, water absorption rate is low, dimensionally stable, corrosion-resistant, resistance to the advantages that damaging by worms and is easy to process, uses
General device of plastic processing can carry out processing and forming after being slightly transformed and can reuse and recycling and reusing.It is mainly used for
Furniture and ornament materials, building materials, outdoor material and corrosion resistance equipment etc. are the good materials to mould Dai Mu, application
Field is very extensive.
Polypropylene wood-plastic not only possesses the sense of material property and wood grain of natural timber, with more water-fast, corrosion-resistant, fire prevention, prevents
It is mould, be not damaged by insects, be pollution-free, is easy to process, the technical performances such as recoverable.Since the raw material and production process that use do not have
It is bonded using glue, the harmful substances such as formaldehyde, benzene, ammonia, trichloro ethylene will not be generated, be the environmentally protective new of substitution traditional timber
Profile material.But the performance of current Wood plastic boards is incomplete, and if intensity, hardness is not high, impact strength is low, not wear-resisting, anti-
The poor defect of bacterium, flame retardant property.
Summary of the invention
It is an object of that present invention to provide a kind of high intensity, impact resistance, heat resistance is good, be unlikely to deform, processability is good, cost
The polypropylene fire retardant wood-plastic composite panel lower, flame-proof antibiotic is good can be widely used in the neck such as timber floor, ceiling, wallboard
Domain.
In order to achieve the goal above, The technical solution adopted by the invention is as follows:
A kind of polypropylene fire retardant wood-plastic composite panel, the raw material including following parts by weight: 100 parts of PP resin, PLA resin 20-
40 parts, 100-200 parts of wood powder, 5-15 parts of conch meal, 20-40 parts of nanometer calcium carbonate, 5-10 parts of aramid fiber, sepiolite fibre 5-
10 parts, maleic acid grafting 1-3 parts of PE wax expanding material, 1-3 parts of plasticizer, 0.5-2 parts of fire retardant, 1-3 parts of stabilizer, methallyl
1-3 parts of base polyoxyethylene ether, 0.5-2 parts of octaphenyl cagelike silsesquioxane, 1-3 parts of phytic acid and acrylic acid rosin polyoxyethylene sugarcane
1-2 parts of sugar ester.
Further, diphenyl octyl phosphate and castor oil polyoxyethylene ether that the plasticizer is 1-3:1 by weight ratio
Composition.
Further, the fire retardant is made of the zinc borate and tri-2-ethylhexyl phosphate that mass ratio is 1-3:1.
Further, zinc oxide and dibutyl tin lauric acid maleate group that the stabilizer is 1:1-2 by weight ratio
At.
The preparation method of polypropylene fire retardant wood-plastic composite panel of the present invention, includes the following steps:
(1) conch meal, nanometer calcium carbonate, aramid fiber, perlite are crushed to 200-300 mesh respectively, each raw material is mixed equal
It is even, methyl allyl polyoxyethylene ether, octaphenyl cagelike silsesquioxane and 100-150 parts of water are added, 20-30min is stirred
It is modified, obtains modified mixture；
(2) phytic acid and acrylic acid rosin polyoxyethylene sucrose ester are added in wood powder, stir 10-20min, obtains modified wood powder；
It (3) will modified mixture, modified wood powder and PP resin, PLA resin, maleic acid grafting PE wax expanding material, plasticizer, fire-retardant
Agent, stabilizer add to high speed mixing smelting machine, stir 10-20min at 60-80 DEG C, obtain mixing material；
(4) mixed material is delivered to conical double screw extruder and carries out extrusion forming, cooling and shaping is to get wood-plastic clad plate
Material.
Further, screw speed is 20-30 r/min during the extrusion forming, and processing temperature is 120-140 DEG C,
Screw rod oil temperature is 60-80 DEG C, 130-150 DEG C of mold temperature, 120-140 DEG C of die lip temperature.
Compared with prior art, it advantages of the present invention and has the beneficial effect that
1, the present invention is using the coordinative role of unique composition of raw materials and each component, and compatibility is good, the wood-plastic composite panel of preparation
With high-intensitive, shock resistance is strong, it is wear-resisting, weather-proof, heat-resisting, be unlikely to deform, stability is good, good flame resistance, good anti-bacterial effect
The advantages that, processing performance is good, simple process, and cost reduction is cheap, can be widely used in the building such as timber floor, ceiling, wallboard
Field.
2, the present invention has widened the industrial chain of shell using conch meal as raw material, and conch meal has extremely strong antibacterial to Escherichia coli
And bactericidal effect, in addition also there is remarkable result to salmonella, yellow glucose fungus, and have the function of anti-corrosion, anti-tick, shellfish
Shell powder can also improve the flame retardant property of plate, can absorb the harmful substances such as formaldehyde, the benzene in air.
3, methyl allyl polyoxyethylene ether of the invention, octaphenyl cagelike silsesquioxane modified conch meal, nano-sized carbon
The inorganic pigments such as sour calcium, aramid fiber, perlite, since octaphenyl cagelike silsesquioxane molecule contains silicon and multiple organic groups
The heat resistance of material surface, inoxidizability, fire-retardant can not only can be improved by forming covalent bond in conjunction with matrix surface in group
Property and wearability, while the compatibility and dispersibility of inorganic pigment and acrylic resin can be improved, and then improve the anti-of plate
Compressive Strength and impact resistance.
4, the present invention uses phytic acid and acrylic acid rosin polyoxyethylene sucrose modified wood powder, improves wood powder and other components
Compatibility and dispersibility, while wood powder tool is had good corrosion resistance and anti-flammability, the plate of preparation has longer make
Use the service life.
5, the compatibility of each component can be improved in the present invention uses plasticizer and maleic acid grafting PE wax, and it is multiple to improve wood moulding
The processing performance of plywood material improves the finish and processing dispersibility of product.
Specific embodiment
Invention is further described in detail combined with specific embodiments below, but does not limit the scope of the invention and its answer
With.
Embodiment 1
A kind of polypropylene fire retardant wood-plastic composite panel, the raw material including following parts by weight: 100 parts of PP resin, PLA resin 30
Part, 150 parts of wood powder, 10 parts of conch meal, 35 parts of nanometer calcium carbonate, 5 parts of aramid fiber, 8 parts of sepiolite fibre, maleic acid are grafted PE
2 parts of wax expanding material, 1.5 parts of plasticizer, 1 part of fire retardant, 2 parts of stabilizer, 2.5 parts of methyl allyl polyoxyethylene ether, octaphenyl
1.0 parts of cagelike silsesquioxane, 2 parts of phytic acid and 1 part of acrylic acid rosin polyoxyethylene sucrose ester.
The plasticizer is made of the diphenyl octyl phosphate that weight ratio is 2:1 and castor oil polyoxyethylene ether.
The fire retardant is made of the zinc borate that mass ratio is 1:1 and tri-2-ethylhexyl phosphate.
The stabilizer is made of the zinc oxide that weight ratio is 1:1 and dibutyl tin lauric acid maleate.
Preparation method includes the following steps:
(1) conch meal, nanometer calcium carbonate, aramid fiber, perlite are crushed to 200 mesh respectively, each raw material is uniformly mixed, then
Methyl allyl polyoxyethylene ether, octaphenyl cagelike silsesquioxane and 120 parts of water are added, stirring 25min is modified, must change
Property mixture；
(2) phytic acid and acrylic acid rosin polyoxyethylene sucrose ester are added in wood powder, stir 15min, obtains modified wood powder；
It (3) will modified mixture, modified wood powder and PP resin, PLA resin, maleic acid grafting PE wax expanding material, plasticizer, fire-retardant
Agent, stabilizer add to high speed mixing smelting machine, stir 10min at 80 DEG C, obtain mixing material；
(4) mixed material is delivered to conical double screw extruder and carries out extrusion forming, screw rod turns during the extrusion forming
Speed is 25 r/min, and processing temperature is 130 DEG C, and screw rod oil temperature is 70 DEG C, 140 DEG C of mold temperature, 135 DEG C of die lip temperature, cold
But it is formed to get wood-plastic composite panel.
Embodiment 2
A kind of polypropylene fire retardant wood-plastic composite panel, the raw material including following parts by weight: 100 parts of PP resin, PLA resin 25
Part, 100 parts of wood powder, 12 parts of conch meal, 30 parts of nanometer calcium carbonate, 7 parts of aramid fiber, 6 parts of sepiolite fibre, maleic acid are grafted PE
1.5 parts of wax expanding material, 2 parts of plasticizer, 1.5 parts of fire retardant, 2.5 parts of stabilizer, 1.5 parts of methyl allyl polyoxyethylene ether, eight
1.5 parts of phenyl cagelike silsesquioxane, 1 part of phytic acid and 2 parts of acrylic acid rosin polyoxyethylene sucrose ester.
The plasticizer is made of the diphenyl octyl phosphate that weight ratio is 3:1 and castor oil polyoxyethylene ether.
The fire retardant is made of the zinc borate that mass ratio is 2:1 and tri-2-ethylhexyl phosphate.
The stabilizer is made of the zinc oxide that weight ratio is 1:1.5 and dibutyl tin lauric acid maleate.
Preparation method includes the following steps:
(1) conch meal, nanometer calcium carbonate, aramid fiber, perlite are crushed to 250 mesh respectively, each raw material is uniformly mixed, then
Methyl allyl polyoxyethylene ether, octaphenyl cagelike silsesquioxane and 150 parts of water are added, stirring 30min is modified, must change
Property mixture；
(2) phytic acid and acrylic acid rosin polyoxyethylene sucrose ester are added in wood powder, stir 20min, obtains modified wood powder；
It (3) will modified mixture, modified wood powder and PP resin, PLA resin, maleic acid grafting PE wax expanding material, plasticizer, fire-retardant
Agent, stabilizer add to high speed mixing smelting machine, stir 20min at 60 DEG C, obtain mixing material；
(4) mixed material is delivered to conical double screw extruder and carries out extrusion forming, screw rod turns during the extrusion forming
Speed is 30 r/min, and processing temperature is 140 DEG C, and screw rod oil temperature is 80 DEG C, 150 DEG C of mold temperature, 140 DEG C of die lip temperature, cold
But it is formed to get wood-plastic composite panel.
Embodiment 3
A kind of polypropylene fire retardant wood-plastic composite panel, the raw material including following parts by weight: 100 parts of PP resin, PLA resin 40
Part, 200 parts of wood powder, 10 parts of conch meal, 40 parts of nanometer calcium carbonate, 8 parts of aramid fiber, 9 parts of sepiolite fibre, maleic acid are grafted PE
2.5 parts of wax expanding material, 3 parts of plasticizer, 1 part of fire retardant, 1.5 parts of stabilizer, 2.5 parts of methyl allyl polyoxyethylene ether, eight benzene
1 part of base cagelike silsesquioxane, 2.5 parts of phytic acid and 1.5 parts of acrylic acid rosin polyoxyethylene sucrose ester.
The plasticizer is made of the diphenyl octyl phosphate that weight ratio is 2:1 and castor oil polyoxyethylene ether.
The fire retardant is made of the zinc borate that mass ratio is 1:1 and tri-2-ethylhexyl phosphate.
The stabilizer is made of the zinc oxide that weight ratio is 1:2 and dibutyl tin lauric acid maleate.
Preparation method includes the following steps:
(1) conch meal, nanometer calcium carbonate, aramid fiber, perlite are crushed to 300 mesh respectively, each raw material is uniformly mixed, then
Methyl allyl polyoxyethylene ether, octaphenyl cagelike silsesquioxane and 150 parts of water are added, stirring 20min is modified, must change
Property mixture；
(2) phytic acid and acrylic acid rosin polyoxyethylene sucrose ester are added in wood powder, stir 15min, obtains modified wood powder；
It (3) will modified mixture, modified wood powder and PP resin, PLA resin, maleic acid grafting PE wax expanding material, plasticizer, fire-retardant
Agent, stabilizer add to high speed mixing smelting machine, stir 15min at 70 DEG C, obtain mixing material；
(4) mixed material is delivered to conical double screw extruder and carries out extrusion forming, screw rod turns during the extrusion forming
Speed is 20 r/min, and processing temperature is 120 DEG C, and screw rod oil temperature is 75 DEG C, 140 DEG C of mold temperature, 125 DEG C of die lip temperature, cold
But it is formed to get wood-plastic composite panel.
Embodiment 4
A kind of polypropylene fire retardant wood-plastic composite panel, the raw material including following parts by weight: 100 parts of PP resin, PLA resin 20
Part, the grafting of 130 parts of wood powder, 15 parts of conch meal, 20 parts of nanometer calcium carbonate, 10 parts of aramid fiber, 5 parts of sepiolite fibre, maleic acid
1 part of PE wax expanding material, 2.5 parts of plasticizer, 2 parts of fire retardant, 2.5 parts of stabilizer, 3 parts of methyl allyl polyoxyethylene ether, eight benzene
1.5 parts of base cagelike silsesquioxane, 2 parts of phytic acid and 2 parts of acrylic acid rosin polyoxyethylene sucrose ester.
The plasticizer is made of the diphenyl octyl phosphate that weight ratio is 1.5:1 and castor oil polyoxyethylene ether.
The fire retardant is made of the zinc borate that mass ratio is 3:1 and tri-2-ethylhexyl phosphate.
The stabilizer is made of the zinc oxide that weight ratio is 1:1 and dibutyl tin lauric acid maleate.
Preparation method includes the following steps:
(1) conch meal, nanometer calcium carbonate, aramid fiber, perlite are crushed to 250 mesh respectively, each raw material is uniformly mixed, then
Methyl allyl polyoxyethylene ether, octaphenyl cagelike silsesquioxane and 100 parts of water are added, stirring 25min is modified, must change
Property mixture；
(2) phytic acid and acrylic acid rosin polyoxyethylene sucrose ester are added in wood powder, stir 20min, obtains modified wood powder；
It (3) will modified mixture, modified wood powder and PP resin, PLA resin, maleic acid grafting PE wax expanding material, plasticizer, fire-retardant
Agent, stabilizer add to high speed mixing smelting machine, stir 20min at 75 DEG C, obtain mixing material；
(4) mixed material is delivered to conical double screw extruder and carries out extrusion forming, screw rod turns during the extrusion forming
Speed is 30 r/min, and processing temperature is 135 DEG C, and screw rod oil temperature is 70 DEG C, 145 DEG C of mold temperature, 130 DEG C of die lip temperature, cold
But it is formed to get wood-plastic composite panel.
The stretching that polypropylene fire retardant wood-plastic composite panel prepared by embodiment 1-4 is conventionally measured batten is strong
Degree, bending strength, simple beam impact strength, water absorption rate, anti-flammability and the sterilization to Escherichia coli, staphylococcus aureus for 24 hours
Rate, test result are as shown in table 1.
Table 1: the performance test results of polypropylene wood plastic composite board of the present invention
Learnt from above-mentioned test result, polypropylene wood plastic composite board prepared by the present invention have high-intensitive, shock resistance is strong,
The advantages that good flame resistance, can be widely used in the building fields such as timber floor, ceiling, wallboard.
Claims (6)
1. a kind of polypropylene fire retardant wood-plastic composite panel, it is characterised in that: the raw material including following parts by weight:
100 parts of PP resin, 20-40 parts of PLA resin, 100-200 parts of wood powder, 5-15 parts of conch meal, 20-40 parts of nanometer calcium carbonate,
5-10 parts of aramid fiber, 5-10 parts of sepiolite fibre, maleic acid are grafted 1-3 parts of PE wax expanding material, 1-3 parts of plasticizer, fire retardant
0.5-2 parts, 1-3 parts of stabilizer, 1-3 parts of methyl allyl polyoxyethylene ether, 0.5-2 parts of octaphenyl cagelike silsesquioxane, plant
Sour 1-3 parts and 1-2 parts of acrylic acid rosin polyoxyethylene sucrose ester.
2. polypropylene fire retardant wood-plastic composite panel according to claim 1, it is characterised in that: the plasticizer is by weight ratio
It is formed for the diphenyl octyl phosphate and castor oil polyoxyethylene ether of 1-3:1.
3. polypropylene fire retardant wood-plastic composite panel according to claim 1, it is characterised in that: the fire retardant is by mass ratio
It is formed for the zinc borate and tri-2-ethylhexyl phosphate of 1-3:1.
4. polypropylene fire retardant wood-plastic composite panel according to claim 1, it is characterised in that: the stabilizer is by weight ratio
It is formed for the zinc oxide and dibutyl tin lauric acid maleate of 1:1-2.
5. the preparation method of polypropylene fire retardant wood-plastic composite panel as described in claim 1, it is characterised in that: including walking as follows
It is rapid:
(1) conch meal, nanometer calcium carbonate, aramid fiber, perlite are crushed to 200-300 mesh respectively, each raw material is mixed equal
It is even, methyl allyl polyoxyethylene ether, octaphenyl cagelike silsesquioxane and 100-150 parts of water are added, 20-30min is stirred
It is modified, obtains modified mixture；
(2) phytic acid and acrylic acid rosin polyoxyethylene sucrose ester are added in wood powder, stir 10-20min, obtains modified wood powder；
It (3) will modified mixture, modified wood powder and PP resin, PLA resin, maleic acid grafting PE wax expanding material, plasticizer, fire-retardant
Agent, stabilizer add to high speed mixing smelting machine, stir 10-20min at 60-80 DEG C, obtain mixing material；
(4) mixed material is delivered to conical double screw extruder and carries out extrusion forming, cooling and shaping is to get wood-plastic clad plate
Material.
6. the preparation method of polypropylene fire retardant wood-plastic composite panel according to claim 5, it is characterised in that: described to be squeezed into
Screw speed is 20-30 r/min during type, and processing temperature is 120-140 DEG C, and screw rod oil temperature is 60-80 DEG C, mold temperature
130-150 DEG C, 120-140 DEG C of die lip temperature of degree.
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| CN115477808A (en) * | 2022-08-15 | 2022-12-16 | 单成敏 | Preparation method of carbon fiber reinforced high-precision template |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112063193A (en) * | 2020-09-17 | 2020-12-11 | 湖南宏森新材料科技有限责任公司 | High-strength polypropylene wood veneer and preparation method thereof |
| CN115477808A (en) * | 2022-08-15 | 2022-12-16 | 单成敏 | Preparation method of carbon fiber reinforced high-precision template |
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