CN106189329A - Flame-retardant wood-plastic composite material and preparation method thereof - Google Patents
Flame-retardant wood-plastic composite material and preparation method thereof Download PDFInfo
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- CN106189329A CN106189329A CN201610754348.9A CN201610754348A CN106189329A CN 106189329 A CN106189329 A CN 106189329A CN 201610754348 A CN201610754348 A CN 201610754348A CN 106189329 A CN106189329 A CN 106189329A
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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
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
-
- 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 belongs to building materials technology field, particularly to a kind of flame-retardant wood-plastic composite material and preparation method thereof, be made up of following raw material: corn stalk powder, polrvinyl chloride, walnut shell powder, phosphate toluene diphenyl ester, butyl titanate, 1,3 dimethyl 6 semicarbazides pyrimidines, di-n-butyl phosphite, cyclohexanedicarboxyester ester, dipropylene glycol dibenzoate, tetramethyl divinyl disiloxane, amino silane, 1,3 dimethyl 6 semicarbazides pyrimidines, thiol methyl tin, isothiazolone and calcium chloride.Present invention also offers the preparation method of flame-retardant wood-plastic composite material.The flame-retardant wood-plastic composite material of the present invention has good heat-resisting and fire resistance, and excellent in mechanical performance, tool has good wearability, high intensity, the feature of good toughness, and counter-bending, stretch-proof, impact strength are good, formaldehydeless release, corrosion-resistant, humidity, durable, integrated quality is high, and good processability, preparation technology is simple.
Description
Technical field
The invention belongs to building materials technology field, particularly to a kind of flame-retardant wood-plastic composite material and preparation method thereof.
Background technology
Wood plastic composite is the composite manufactured for primary raw material with lignocellulosic material and thermoplastic.Its tool
Have length in service life, attractive in appearance, renewable, cost is low, insect protected, anticorrosion, antiskid, sprayable, higher than the hardness of pure plastic product, can
The advantage such as it is processed, bonding and fixing as timber, is particularly using waste or used plastics and wood machining residues or straw
When stalk is as primary raw material, also there is the outstanding advantage in terms of the utilization of resources and environmental conservation.Just because of wood plastic composite
Having many advantages, wood plastic composite suffers from being widely applied in many fields, the such as building of door and window, floor, wall
Material, marine material, fence material, furniture material, automotive material etc..Along with the application of wood plastic composite is increasingly wider, permitted
Multi-field had again higher requirement, the such as indoor application such as interior decoration, furniture field all to mould wood to wood plastic composite
Composite has fire-retardant requirement, to reduce the danger of fire.
Wood plastic composite (WPC), is a kind of main by answering that material and plastics based on timber or cellulose are made
Condensation material, it is simply that a certain proportion of wood fiber (such as wood powder, powder of straw, cotton stalk powder, bamboo powder, shell powder etc.) is made through pretreatment
A kind of new material being combined into thermoplastic polymer resin or other materials；This new material not only environmental protection but also have
There is good mechanical stability, but the two big raw material wood fiber of composition wood plastic composite and polyolefin are all inflammability materials
Material, is also combustible material for this this composite, and giving the good fire resistance of wood plastic composite is the development of this materials application
Needs；Individually the fire-retardant research to timber and the wood fiber has a lot, typically has phosphorus-nitrogenated flame retardant；Boron flame retardant；Halogen
Fire retardant；Other inorganic salts etc.；But main based on phosphorus-nitrogenated flame retardant it is considered to be optimum wood fire retardant, phosphorus,
Two kinds of elements of nitrogen play synergism in wood fire retardant and improve flame retardant effect；But these fire retardants almost have one jointly
Feature, it is simply that reducing the thermal degradation temperature of the wood fiber significantly, this may result in the processing that cannot be carried out composite；Right
Also a lot of in the research of polyolefin flame-retardant, its flame resistant method coordinates with antimony oxide (Sb2O3) frequently with halogen containing flame-retardant to be made
With；Metal hydroxides (Al (OH) 3, Mg (OH) 2) fire retardant；Expansibility flame-proof agent；Ammonium polyphosphate flame retardant etc.；Halogen-free flameproof
The focus of polyolefin flame-retardant research, expanding fire retardant polyolefin/Wood Fiber Composites is carried out dual fire-retardant be this be combined
The focus of the fire-retardant research of material；But the interpolation of fire retardant often deteriorates the mechanical property of composite, therefore to fire-retardant multiple
The research of the research flame-proof composite material of condensation material to study interface compatibility, heat stability and anti-flammability, to obtain reason simultaneously
The flame-proof composite material thought.Therefore, development of new flame-retardant wood-plastic material is to need conscientiously to solve the technical problem that.
Summary of the invention
The technical problem to be solved is to provide flame-retardant wood-plastic composite material, the flame-retardant wood-plastic composite material made
Having good heat-resisting and fire resistance, and excellent in mechanical performance, tool has good wearability, high intensity, the feature of good toughness,
Counter-bending, stretch-proof, impact strength are good, and formaldehydeless release, corrosion-resistant, humidity, durable, integrated quality is high.
For achieving the above object, the present invention adopts the following technical scheme that
The present invention provides flame-retardant wood-plastic composite material, is made up of the raw material of following weight portion: corn stalk powder 20～60 parts, poly-
Vinyl chloride 10～26 parts, walnut shell powder 20～40 parts, phosphate toluene diphenyl ester 5～12 parts, butyl titanate 5～10 parts, 1,3-bis-
Methyl-6-semicarbazides pyrimidine 3～8 parts, di-n-butyl phosphite 4～9 parts, cyclohexanedicarboxyester ester 3～7 parts, dipropylene glycol two
Benzoate 3～8 parts, tetramethyl divinyl disiloxane 2～7 parts, amino silane 1～5 parts, 1,3-dimethyl-6-amino
Uracil 2～8 parts, thiol methyl tin 3～8 parts, isothiazolone 1～5 parts, calcium chloride 1～6 parts.
Preferably, flame-retardant wood-plastic composite material of the present invention, it is made up of the raw material of following weight portion: corn stalk powder 40
Part, polrvinyl chloride 18 parts, walnut shell powder 30 parts, phosphate toluene diphenyl ester 8 parts, butyl titanate 8 parts, 1,3-dimethyl-6-amino
Uracil 5 parts, di-n-butyl phosphite 6 parts, cyclohexanedicarboxyester ester 5 parts, dipropylene glycol dibenzoate 5 parts, tetramethyl two
Vinyl disiloxane 5 parts, amino silane 3 parts, 1,3-dimethyl-6-semicarbazides pyrimidine 5 parts, thiol methyl tin 5 parts, isothiazole
Ketone 3 parts, 3 parts of calcium chloride.
Preferably, the particle diameter of corn stalk powder of the present invention is 120～160 mesh.Corn stalk powder under this particle size range,
The stretching of Wood-plastic profiles is slight and impact strength reaches maximum, and mechanical property is best.
Preferably, the particle diameter of walnut shell powder of the present invention is 110～150 mesh.Walnut shell powder under this particle size range,
The Wood-plastic profiles of Wood-plastic profiles has best wearability and bending strength, and mechanical property is best.
The present invention also provides for the preparation method of flame-retardant wood-plastic composite material, including following preparation process: by corn stalk powder and
Walnut shell powder puts into and is mixed machine, heats 3～8min at 80～95 DEG C, sequentially add thiol methyl tin, 1,3-dimethyl-6-
Semicarbazides pyrimidine, di-n-butyl phosphite, calcium chloride and isothiazolone, under 100～110rpm rotating speeds, mix 10～20min,
Rise high-temperature again to 120～150 DEG C, continue to put into phosphate toluene diphenyl ester, cyclohexanedicarboxyester ester and tetramethyl divinyl
Disiloxane, under 120～140rpm rotating speeds, mixes 15～25min, and continuation liter high-temperature, to 175～195 DEG C, is eventually adding
Dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides pyrimidine, amino silane and polrvinyl chloride, 150
～under 190rpm rotating speed, mix 20～40min, be cooled to room temperature, extruded by double screw extruder melt blending, molding, i.e.
Obtain flame-retardant wood-plastic composite material.
Preferably, in preparation method of the present invention, before being cooled to room temperature, be dried at 70～90 DEG C to water content be 1%
～3%.
The beneficial effects of the present invention is:
1, the Wood-plastic composite section bar of the present invention has good heat-resisting and fire resistance, and smog is little, through test, system of the present invention
For the flame-retardant wood plastic composite section bar fire resistance testing result obtained it is: burning time is 45～50s, evenly heat rate of release
It is 150～162kw/m2, average quality loss speed be 0.048～0.053g/s, average specific surface dulling area 320～
342m2/ kg, cigarette rate of release 0.3～0.6m2/ s, charring rate (500s meter) 22%～29%, carbon monoxide productivity is 0.018%
～0.023%, yield of carbon dioxide is 1.82%～1.96%.
2, the Wood-plastic composite section bar excellent in mechanical performance of the present invention, tool has good wearability, high intensity, the spy of good toughness
Point, counter-bending, stretch-proof, impact strength are good, and formaldehydeless release, corrosion-resistant, humidity, durable, integrated quality is high, warp
Test, the Wood-plastic composite section bar preparing the present invention carries out anti-food materials insecticide performance, fungus resistance energy and the survey of mechanical property
Examination, test result shows through outdoor environment (experimental enviroment humidity 72～75%RH, temperature 25～28 DEG C) test in 6 months, this
The most there is not obvious color and luster and morphology change in the Surface of profile of invention, does not finds mould bacterial plaque, and bending strength (according to
GB/T9341-2000 standard) there is not significant change；The suitable solid wood of durability or 10～12 times of composite wooden profile.
3, the raw material of the present invention improves Plant fiber and Compatibility in Plastics, generates inierpeneirating network structure (IPN), reduces
The polarity of Plant fiber, plastics and Plant fiber combine closely, and significantly improve the integrated quality of section bar, extend the use longevity
Life.
4, the preparation technology of the present invention is simple, shortens manufacturing cycle, increases economic efficiency, the Wood-plastic composite prepared
Material suitability for secondary processing is good, has and can saw, can follow closely, can bore, the timber processing characteristics such as can dig, exempts from mopping, can be with natural timber
Compare favourably, comfortable foot feeling, produce grading of timber, the basic no requirement (NR) of quality, eliminate lacquering technique, product can reclaim completely
Utilizing, environment protecting is preferable, formaldehydeless release.
5, the Wood-plastic composite section bar of the present invention also has preferably boat oxidation and anti-light capacity of decomposition, improves Wood-plastic composite
The anti-old performance of material, keeps intensity and the color fastness of product, improves aesthetic property.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the invention is not limited in these embodiments.
Embodiment 1
Flame-retardant wood-plastic composite material, is made up of the raw material of following weight portion: 60 parts of corn stalk powder (particle diameter is 120 mesh), poly-
26 parts of vinyl chloride (particle diameter is 110 mesh), walnut shell powder 20 parts, phosphate toluene diphenyl ester 12 parts, butyl titanate 5 parts, 1,3-diformazan
Base-6-semicarbazides pyrimidine 8 parts, di-n-butyl phosphite 4 parts, cyclohexanedicarboxyester ester 7 parts, dipropylene glycol dibenzoate 3 parts,
Tetramethyl divinyl disiloxane 7 parts, amino silane 1 part, 1,3-dimethyl-6-semicarbazides pyrimidine 2 parts, thiol methyl tin 8
Part, isothiazolone 1 part, 1 part of calcium chloride.
The preparation method of flame-retardant wood-plastic composite material, including following preparation process: corn stalk powder and walnut shell powder are put into
Be mixed machine, at 80 DEG C heat 8min, sequentially add thiol methyl tin, 1,3-dimethyl-6-semicarbazides pyrimidine, phosphorous acid two
N-butyl, calcium chloride and isothiazolone, under 100rpm rotating speed, mix 20min, then rise high-temperature to 120 DEG C, continue to put into phosphorus
Acid toluene diphenyl ester, cyclohexanedicarboxyester ester and tetramethyl divinyl disiloxane, under 140rpm rotating speed, mix 15min,
Continue rise high-temperature to 195 DEG C, be eventually adding dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides is phonetic
Pyridine, amino silane and polrvinyl chloride, under 150rpm rotating speed, mix 40min, and being dried at 70 DEG C to water content is 3%, cools down
To room temperature, extruded by double screw extruder melt blending, molding, obtain flame-retardant wood-plastic composite material.
Embodiment 2
Flame-retardant wood-plastic composite material, is made up of the raw material of following weight portion: 50 parts of corn stalk powder (particle diameter is 130 mesh), poly-
22 parts of vinyl chloride (particle diameter is 120 mesh), walnut shell powder 25 parts, phosphate toluene diphenyl ester 10 parts, butyl titanate 6 parts, 1,3-diformazan
Base-6-semicarbazides pyrimidine 7 parts, di-n-butyl phosphite 5 parts, cyclohexanedicarboxyester ester 6 parts, dipropylene glycol dibenzoate 4 parts,
Tetramethyl divinyl disiloxane 6 parts, amino silane 2 parts, 1,3-dimethyl-6-semicarbazides pyrimidine 3 parts, thiol methyl tin 6
Part, isothiazolone 2 parts, 2 parts of calcium chloride.
The preparation method of flame-retardant wood-plastic composite material, including following preparation process: corn stalk powder and walnut shell powder are put into
Be mixed machine, at 85 DEG C heat 5min, sequentially add thiol methyl tin, 1,3-dimethyl-6-semicarbazides pyrimidine, phosphorous acid two
N-butyl, calcium chloride and isothiazolone, under 105rpm rotating speed, mix 18min, then rise high-temperature to 130 DEG C, continue to put into phosphorus
Acid toluene diphenyl ester, cyclohexanedicarboxyester ester and tetramethyl divinyl disiloxane, under 135rpm rotating speed, mix 18min,
Continue rise high-temperature to 190 DEG C, be eventually adding dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides is phonetic
Pyridine, amino silane and polrvinyl chloride, under 160rpm rotating speed, mix 35min, and being dried at 75 DEG C to water content is 2%, cools down
To room temperature, extruded by double screw extruder melt blending, molding, obtain flame-retardant wood-plastic composite material.
Embodiment 3
Flame-retardant wood-plastic composite material, is made up of the raw material of following weight portion: 40 parts of corn stalk powder (particle diameter is 140 mesh), poly-
18 parts of vinyl chloride (particle diameter is 130 mesh), walnut shell powder 30 parts, phosphate toluene diphenyl ester 8 parts, butyl titanate 8 parts, 1,3-diformazan
Base-6-semicarbazides pyrimidine 5 parts, di-n-butyl phosphite 6 parts, cyclohexanedicarboxyester ester 5 parts, dipropylene glycol dibenzoate 5 parts,
Tetramethyl divinyl disiloxane 5 parts, amino silane 3 parts, 1,3-dimethyl-6-semicarbazides pyrimidine 5 parts, thiol methyl tin 5
Part, isothiazolone 3 parts, 3 parts of calcium chloride.
The preparation method of flame-retardant wood-plastic composite material, including following preparation process: corn stalk powder and walnut shell powder are put into
Be mixed machine, at 90 DEG C heat 6min, sequentially add thiol methyl tin, 1,3-dimethyl-6-semicarbazides pyrimidine, phosphorous acid two
N-butyl, calcium chloride and isothiazolone, under 110rpm rotating speed, mix 15min, then rise high-temperature to 135 DEG C, continue to put into phosphorus
Acid toluene diphenyl ester, cyclohexanedicarboxyester ester and tetramethyl divinyl disiloxane, under 130rpm rotating speed, mix 20min,
Continue rise high-temperature to 185 DEG C, be eventually adding dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides is phonetic
Pyridine, amino silane and polrvinyl chloride, under 170rpm rotating speed, mix 30min, and being dried at 80 DEG C to water content is 3%, cools down
To room temperature, extruded by double screw extruder melt blending, molding, obtain flame-retardant wood-plastic composite material.
Embodiment 4
Flame-retardant wood-plastic composite material, is made up of the raw material of following weight portion: 30 parts of corn stalk powder (particle diameter is 150 mesh), poly-
14 parts of vinyl chloride (particle diameter is 140 mesh), walnut shell powder 35 parts, phosphate toluene diphenyl ester 7 parts, butyl titanate 8 parts, 1,3-diformazan
Base-6-semicarbazides pyrimidine 4 parts, di-n-butyl phosphite 7 parts, cyclohexanedicarboxyester ester 4 parts, dipropylene glycol dibenzoate 7 parts,
Tetramethyl divinyl disiloxane 3 parts, amino silane 4 parts, 1,3-dimethyl-6-semicarbazides pyrimidine 7 parts, thiol methyl tin 4
Part, isothiazolone 4 parts, 5 parts of calcium chloride.
The preparation method of flame-retardant wood-plastic composite material, including following preparation process: corn stalk powder and walnut shell powder are put into
Be mixed machine, at 95 DEG C heat 4min, sequentially add thiol methyl tin, 1,3-dimethyl-6-semicarbazides pyrimidine, phosphorous acid two
N-butyl, calcium chloride and isothiazolone, under 100rpm rotating speed, mix 12min, then rise high-temperature to 140 DEG C, continue to put into phosphorus
Acid toluene diphenyl ester, cyclohexanedicarboxyester ester and tetramethyl divinyl disiloxane, under 125rpm rotating speed, mix 22min,
Continue rise high-temperature to 180 DEG C, be eventually adding dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides is phonetic
Pyridine, amino silane and polrvinyl chloride, under 180rpm rotating speed, mix 25min, and being dried at 85 DEG C to water content is 1%, cools down
To room temperature, extruded by double screw extruder melt blending, molding, obtain flame-retardant wood-plastic composite material.
Embodiment 5
Flame-retardant wood-plastic composite material, is made up of the raw material of following weight portion: 20 parts of corn stalk powder (particle diameter is 160 mesh), poly-
10 parts of vinyl chloride (particle diameter is 150 mesh), walnut shell powder 40 parts, phosphate toluene diphenyl ester 5 parts, butyl titanate 10 parts, 1,3-diformazan
Base-6-semicarbazides pyrimidine 3 parts, di-n-butyl phosphite 9 parts, cyclohexanedicarboxyester ester 3 parts, dipropylene glycol dibenzoate 8 parts,
Tetramethyl divinyl disiloxane 2 parts, amino silane 5 parts, 1,3-dimethyl-6-semicarbazides pyrimidine 8 parts, thiol methyl tin 3
Part, isothiazolone 5 parts, 6 parts of calcium chloride.
The preparation method of flame-retardant wood-plastic composite material, including following preparation process: corn stalk powder and walnut shell powder are put into
Be mixed machine, at 85 DEG C heat 3min, sequentially add thiol methyl tin, 1,3-dimethyl-6-semicarbazides pyrimidine, phosphorous acid two
N-butyl, calcium chloride and isothiazolone, under 105rpm rotating speed, mix 10min, then rise high-temperature to 150 DEG C, continue to put into phosphorus
Acid toluene diphenyl ester, cyclohexanedicarboxyester ester and tetramethyl divinyl disiloxane, under 120rpm rotating speed, mix 25min,
Continue rise high-temperature to 175 DEG C, be eventually adding dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides is phonetic
Pyridine, amino silane and polrvinyl chloride, under 190rpm rotating speed, mix 20min, and being dried at 90 DEG C to water content is 2%, cools down
To room temperature, extruded by double screw extruder melt blending, molding, obtain flame-retardant wood-plastic composite material.
Test example
Use GB/T24508-2009 method of testing that above-described embodiment 1, embodiment 3 and the wood prepared by embodiment 5 are moulded
Composite material carries out quantitative measurement, and result is expressed as:
Claims (6)
1. flame-retardant wood-plastic composite material, it is characterised in that be made up of the raw material of following weight portion: corn stalk powder 20～60 parts, poly-
Vinyl chloride 10～26 parts, walnut shell powder 20～40 parts, phosphate toluene diphenyl ester 5～12 parts, butyl titanate 5～10 parts, 1,3-bis-
Methyl-6-semicarbazides pyrimidine 3～8 parts, di-n-butyl phosphite 4～9 parts, cyclohexanedicarboxyester ester 3～7 parts, dipropylene glycol two
Benzoate 3～8 parts, tetramethyl divinyl disiloxane 2～7 parts, amino silane 1～5 parts, 1,3-dimethyl-6-amino
Uracil 2～8 parts, thiol methyl tin 3～8 parts, isothiazolone 1～5 parts, calcium chloride 1～6 parts.
Flame-retardant wood-plastic composite material the most according to claim 1, it is characterised in that be made up of the raw material of following weight portion:
40 parts of corn stalk powder, polrvinyl chloride 18 parts, walnut shell powder 30 parts, phosphate toluene diphenyl ester 8 parts, butyl titanate 8 parts, 1,3-diformazan
Base-6-semicarbazides pyrimidine 5 parts, di-n-butyl phosphite 6 parts, cyclohexanedicarboxyester ester 5 parts, dipropylene glycol dibenzoate 5 parts,
Tetramethyl divinyl disiloxane 5 parts, amino silane 3 parts, 1,3-dimethyl-6-semicarbazides pyrimidine 5 parts, thiol methyl tin 5
Part, isothiazolone 3 parts, 3 parts of calcium chloride.
Flame-retardant wood-plastic composite material the most according to claim 1 and 2, it is characterised in that: the particle diameter of described corn stalk powder is
120～160 mesh.
Flame-retardant wood-plastic composite material the most according to claim 1 and 2, it is characterised in that: the particle diameter of described walnut shell powder is
110～150 mesh.
The preparation method of flame-retardant wood-plastic composite material the most according to claim 4, it is characterised in that include following preparation step
Rapid: corn stalk powder and walnut shell powder are put into the machine that is mixed, at 80～95 DEG C, heat 3～8min, sequentially add thiol methyl
Stannum, 1,3-dimethyl-6-semicarbazides pyrimidine, di-n-butyl phosphite, calcium chloride and isothiazolone, at 100～110rpm rotating speeds
Under, mix 10～20min, then rise high-temperature to 120～150 DEG C, continue to put into phosphate toluene diphenyl ester, cyclohexanedicarboxyester ester
And tetramethyl divinyl disiloxane, under 120～140rpm rotating speeds, mix 15～25min, continue to rise high-temperature to 175
～195 DEG C, be eventually adding dipropylene glycol dibenzoate, butyl titanate, 1,3-dimethyl-6-semicarbazides pyrimidine, amino silane
And polrvinyl chloride, under 150～190rpm rotating speeds, mix 20～40min, be cooled to room temperature, melted by double screw extruder
Blending extrusion, molding, obtain flame-retardant wood-plastic composite material.
The preparation method of flame-retardant wood-plastic composite material the most according to claim 5, it is characterised in that: it is being cooled to room temperature
Before, be dried at 70～90 DEG C to water content be 1%～3%.
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| CN201610754348.9A CN106189329A (en) | 2016-08-29 | 2016-08-29 | Flame-retardant wood-plastic composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800762A (en) * | 2022-05-27 | 2022-07-29 | 广州大学 | Preparation method of green environment-friendly flame-retardant wood-plastic plate |
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| CN103965566A (en) * | 2014-04-08 | 2014-08-06 | 江苏润聚新材料科技有限公司 | Environment-friendly single-layer microcellular foam PVC (polyvinyl chloride) wood-plastic composite board and preparation method thereof |
| CN104164029A (en) * | 2014-08-14 | 2014-11-26 | 民勤县华安再生资源开发有限公司 | Regenerative and energy-saving wood-plastic composite material building template |
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2016
- 2016-08-29 CN CN201610754348.9A patent/CN106189329A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965566A (en) * | 2014-04-08 | 2014-08-06 | 江苏润聚新材料科技有限公司 | Environment-friendly single-layer microcellular foam PVC (polyvinyl chloride) wood-plastic composite board and preparation method thereof |
| CN104164029A (en) * | 2014-08-14 | 2014-11-26 | 民勤县华安再生资源开发有限公司 | Regenerative and energy-saving wood-plastic composite material building template |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800762A (en) * | 2022-05-27 | 2022-07-29 | 广州大学 | Preparation method of green environment-friendly flame-retardant wood-plastic plate |
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Application publication date: 20161207 |