CN107964253A - The preparation method of composite fibre wood plastic composite - Google Patents
The preparation method of composite fibre wood plastic composite Download PDFInfo
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- CN107964253A CN107964253A CN201711460151.5A CN201711460151A CN107964253A CN 107964253 A CN107964253 A CN 107964253A CN 201711460151 A CN201711460151 A CN 201711460151A CN 107964253 A CN107964253 A CN 107964253A
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- 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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- C08K2003/0893—Zinc
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
A kind of preparation method of composite fibre wood plastic composite provided by the invention, it is used in combination using a variety of inorfils, make that it uniformly coats in the outer surface of carbon cloth, the stroke core of one high mechanical properties, the mechanical strength and impact resistance of the Wood-plastic material that can effectively strengthen；Acted synergistically using Nano diamond, nano-titanium dioxide, nano silver and Nano-Zinc, promote the formation of material crystal structure, effectively enhance the hardness of Wood-plastic material；γ alundum (Al2O3)s are selected as carrier, since γ alundum (Al2O3)s have larger mechanical strength, it can effectively strengthen the impact resistance of Wood-plastic material, and γ alundum (Al2O3)s have larger mechanical area, can effectively avoid the agglomeration of nano material；The raw material of special ratios is selected, is effectively guaranteed the mechanical strength of material.
Description
Technical field
The present invention relates to a kind of composite material, more particularly to a kind of preparation method of composite fibre wood plastic composite.
Background technology
Natural timber, building stones and metal material is the common decoration of current people, construction material.But with thousands of
Exploitation and use of the people to above-mentioned natural material over year, not only cause the deterioration of environment, but also the number of above-mentioned natural material
Amount is also fewer and fewer, so being badly in need of a kind of alternative materials now to substitute above-mentioned natural material.So alternative materials not only will
Ask mechanical strength fine, and require beautiful and generous.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of preparation method of composite fibre wood plastic composite, it has higher
Mechanical strength, meet building and decoration demand.
In order to realize these purposes and further advantage according to the present invention, there is provided a kind of composite fibre wood plastic composite
Preparation method, include the following steps：
(1) by 1-3 parts by weight aramid fiber, 1-3 parts by weight of glass fiber, 1-3 parts by weight asbestos fibre, 1-3 parts by weight
Boron fibre and 1-3 parts of steel fibres are placed in 5-7 parts by weight Aluminum sols, are stirred evenly, are obtained fiber composite suspension；
The monoblock carbon cloth of 1-3 parts by weight, stirring fiber composite suspension cladding are added into fiber composite suspension
In the outside of carbon cloth, it is placed in the first mould, pressing mold, isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature,
Obtain core；
(2) by 0.1-0.5 parts by weight Nano diamond, 0.3-0.6 parts by weight nano-titanium dioxide, 0.1-0.3 parts by weight
Nano silver and the Nano-Zincs of 0.2-0.5 parts by weight be placed in 1-2 weight part of ethylacetate, water bath sonicator 30min, obtains nanometer
Mixed serum；
(3) in the titanium colloidal sol of its quality 1% of 1-5 parts by weight γ-alundum (Al2O3) surface spraying, nano-particle load is obtained
Body；
Nanometer mixed serum is sprayed on nanoparticulate carriers surface, obtains nano-particle precast body；
Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；
(4) by 5-10 parts by weight Wheat Straw, 7-12 parts by weight Corn stalk, 5-10 parts by weight ivory grass and 8-15 parts by weight
Sawdust is placed in baking oven, in the case where temperature is 70 DEG C, is dried to water content less than or equal to 15%；
By Wheat Straw and corn straw smashing into particle diameter 4-7mm particulates, by ivory grass meal essence into particle diameter be the micro- of 10-15mm
Grain, sawdust are ground into the particulate that particle diameter is 1-3mm；
Wheat Straw after crushing, maize straw, ivory grass and sawdust are mixed, obtain mixed-powder；
(5) 0.1-0.5 parts by weight of titanium dioxide powder, 0.2-0.4 parts by weight of silica powder, 0.5-1 parts by weight three
Aluminum oxide powder, 0.3-0.5 parts by weight magnesium oxide powder and 0.3-0.7 parts by weight oxidation lithium powder are placed in ethanol, in water
Bath temperature is that ultrasonic 30min, obtains suspension at 30 DEG C；
(6) by 5-10 parts by weight polyvinyl chloride, 3-7 parts by weight of polypropylene, 1-3 parts by weight coconuts oil alkyd resin, 1-3 weights
Measure part tetraethyl orthosilicate, 1-3 parts surfactants, 1-3 parts per weight dispersing agents and 15-20 weight part of ethylacetate, heating
To 50 DEG C, 30min is stirred, obtains organic liquor；
(7) keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；
Suspension is added afterwards, is stirred 15min, is obtained Wood-plastic material precast body；
(8) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, is then placed in core
In second mould, the outside that Wood-plastic material precast body makes Wood-plastic material precast body be coated on the core, pressing mold, drop are then injected into
Warm to room temperature, obtain the composite fibre wood plastic composite.
Preferably, in the preparation method of the composite fibre wood plastic composite, the cooling specifically includes：
A. with the rate of temperature fall of 3 DEG C of cooling per minute, 180 DEG C are cooled to, at such a temperature, isothermal holding 15min；
B. with the rate of temperature fall of 5 DEG C of cooling per minute, 160 DEG C are cooled to, at such a temperature, isothermal holding 15min；
C. with the rate of temperature fall of 5 DEG C of cooling per minute, 120 DEG C are cooled to, at such a temperature, isothermal holding 15min；
D. with the rate of temperature fall of 10 DEG C of cooling per minute, 70 DEG C are cooled to, at such a temperature, isothermal holding 15min；
E. with the rate of temperature fall of 10 DEG C of cooling per minute, it is cooled to room temperature.
Preferably, in the preparation method of the composite fibre wood plastic composite, the dispersant is di-2-ethylhexylphosphine oxide
Sodium naphthalene sulfonate or sodium acrylate.
Preferably, in the preparation method of the composite fibre wood plastic composite, the surfactant for tween-
80 or stearic acid.
The present invention includes at least following beneficial effect：
A kind of preparation method of composite fibre wood plastic composite provided by the invention, includes the following steps：(1) by 1-3
Parts by weight aramid fiber, 1-3 parts by weight of glass fiber, 1-3 parts by weight asbestos fibre, 1-3 parts by weight boron fibre and 1-3 parts of steel are fine
Dimension is placed in 5-7 parts by weight Aluminum sols, is stirred evenly, is obtained fiber composite suspension；1-3 is added into fiber composite suspension
The monoblock carbon cloth of parts by weight, stirring fiber composite suspension are coated on the outside of carbon cloth, are placed in the first mould, presses
Mould, isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature, obtains core；By 0.1-0.5 parts by weight nanometer Buddha's warrior attendants
Stone, 0.3-0.6 parts by weight nano-titanium dioxide, the Nano-Zinc of the nano silver of 0.1-0.3 parts by weight and 0.2-0.5 parts by weight are placed in
In 1-2 weight part of ethylacetate, water bath sonicator 30min, obtains a nanometer mixed serum；In 1-5 parts by weight γ-alundum (Al2O3) table
Face sprays the titanium colloidal sol of its quality 1%, obtains nanoparticulate carriers；Nanometer mixed serum is sprayed on nanoparticulate carriers table
Face, obtains nano-particle precast body；Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；Will
5-10 parts by weight Wheat Straw, 7-12 parts by weight Corn stalk, 5-10 parts by weight ivory grass and 8-15 parts by weight sawdusts are placed in baking oven
In, in the case where temperature is 70 DEG C, water content is dried to less than or equal to 15%；By Wheat Straw and corn straw smashing into particle diameter 4-7mm
Particulate, by ivory grass meal essence into the particulate that particle diameter is 10-15mm, sawdust is ground into the particulate that particle diameter is 1-3mm；After crushing
Wheat Straw, maize straw, ivory grass and sawdust mixing, obtain mixed-powder；0.1-0.5 parts by weight of titanium dioxide powder, 0.2-
0.4 parts by weight of silica powder, 0.5-1 parts by weight alundum (Al2O3)s powder, 0.3-0.5 parts by weight magnesium oxide powder and 0.3-
0.7 parts by weight oxidation lithium powder is placed in ethanol, and in the case where bath temperature is 30 DEG C, ultrasonic 30min, obtains suspension；By 5-10
Parts by weight polyvinyl chloride, 3-7 parts by weight of polypropylene, 1-3 parts by weight coconuts oil alkyd resin, 1-3 parts by weight tetraethyl orthosilicate, 1-
3 parts surfactants, 1-3 parts per weight dispersing agents and 15-20 weight part of ethylacetate, are heated to 50 DEG C, stir 30min,
Obtain organic liquor；Keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；Suspension is added afterwards,
15min is stirred, obtains Wood-plastic material precast body；Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating
Core, is then placed in the second mould by 10min, and being then injected into Wood-plastic material precast body makes Wood-plastic material precast body be coated on institute
The outside of core is stated, pressing mold, is cooled to room temperature, obtains the composite fibre wood plastic composite.
First, be used in combination using a variety of inorfils in the application, make that it uniformly coats in the outer of carbon cloth
Surface, the stroke core of one high mechanical properties, the mechanical strength and impact resistance of the Wood-plastic material that can effectively strengthen；The
Two, acted synergistically in of the invention using Nano diamond, nano-titanium dioxide, nano silver and Nano-Zinc, promote material crystals knot
The formation of structure, effectively enhances the hardness of Wood-plastic material；3rd, select γ-alundum (Al2O3) to be primarily due to as carrier
γ-alundum (Al2O3) has larger mechanical strength, it can effectively strengthen the impact resistance of Wood-plastic material, secondly, γ-three
Al 2 O has larger mechanical area, by titanium colloidal sol, nano material is adhered to its surface, effectively avoids nanometer
The agglomeration of material；4th, the raw material of special ratios is selected in the application, is effectively guaranteed the mechanical strength of material；The
Five, use in the application and adhesive is used as by titanium dioxide, magnesia, alundum (Al2O3) etc., in the machinery of effective reinforcing material
While intensity, effectively increase Wheat Straw, sawdust, maize straw etc. with polyvinyl chloride and polyacrylic combination power；6th,
The application turns waste into wealth, and the raw material that Wheat Straw, sawdust etc. are discarded is combined with polyvinyl chloride and polypropylene, environmentally protective.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or its combination.
In embodiment 1-4, each parts by weight are 1Kg.
Embodiment 1
A kind of preparation method of composite fibre wood plastic composite, includes the following steps：
(1) by 2 parts by weight aramid fibers, 2 parts by weight of glass fiber, 2 parts by weight asbestos fibres, 2 parts by weight boron fibres and 2
Part steel fibre is placed in 6 parts by weight Aluminum sols, is stirred evenly, is obtained fiber composite suspension；
The monoblock carbon cloth of 2 parts by weight is added into fiber composite suspension, stirring fiber composite suspension is coated on
The outside of carbon cloth, is placed in the first mould, pressing mold, and isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature, obtains
To core；
(2) by 0.3 parts by weight Nano diamond, 0.5 parts by weight nano-titanium dioxide, 0.2 parts by weight nano silver and 0.4
The Nano-Zinc of parts by weight is placed in 2 weight part of ethylacetate, and water bath sonicator 30min, obtains a nanometer mixed serum；
(3) in the titanium colloidal sol of its quality 1% of 4 parts by weight γ-alundum (Al2O3) surface spraying, nanoparticulate carriers are obtained；
Nanometer mixed serum is sprayed on nanoparticulate carriers surface, obtains nano-particle precast body；
Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；
(4) 6 parts by weight Wheat Straws, 11 parts by weight Corn stalks, 8 parts by weight ivorys grass and 13 parts by weight sawdusts are placed in baking
In case, in the case where temperature is 70 DEG C, water content is dried to less than or equal to 15%；
It is wooden by ivory grass meal essence into the particulate that particle diameter is 12mm by Wheat Straw with corn straw smashing into particle diameter 5mm particulates
Bits are ground into the particulate that particle diameter is 2mm；
Wheat Straw after crushing, maize straw, ivory grass and sawdust are mixed, obtain mixed-powder；
(5) 0.4 parts by weight of titanium dioxide powder, 0.3 parts by weight of silica powder, 0.8 parts by weight aluminium oxide powder
End, 0.5 parts by weight magnesium oxide powder and 0.4 parts by weight oxidation lithium powder are placed in ethanol, in the case where bath temperature is 30 DEG C, ultrasound
30min, obtains suspension；
(6) by 7 parts by weight polyvinyl chloride, 5 parts by weight of polypropylene, 2 parts by weight coconut oil alkyd resins, 3 parts by weight silicic acid
Tetra-ethyl ester, 2 weight Tween-80s, 2 parts by weight sodium methylene bis-naphthalene sulfonates and 16 weight part of ethylacetate, are heated to 50 DEG C, stirring
30min, obtains organic liquor；
(7) keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；Suspension is added afterwards,
15min is stirred, obtains Wood-plastic material precast body；
(8) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, is then placed in core
In second mould, the outside that Wood-plastic material precast body makes Wood-plastic material precast body be coated on the core, pressing mold, drop are then injected into
Warm to room temperature, obtain the composite fibre wood plastic composite；
The cooling specifically includes：
A. with the rate of temperature fall of 3 DEG C of cooling per minute, 180 DEG C are cooled to, at such a temperature, isothermal holding 15min；
B. with the rate of temperature fall of 5 DEG C of cooling per minute, 160 DEG C are cooled to, at such a temperature, isothermal holding 15min；
C. with the rate of temperature fall of 5 DEG C of cooling per minute, 120 DEG C are cooled to, at such a temperature, isothermal holding 15min；
D. with the rate of temperature fall of 10 DEG C of cooling per minute, 70 DEG C are cooled to, at such a temperature, isothermal holding 15min；
E. with the rate of temperature fall of 10 DEG C of cooling per minute, it is cooled to room temperature.
Embodiment 2
A kind of preparation method of composite fibre wood plastic composite, includes the following steps：
(1) by 1 parts by weight aramid fiber, 1 parts by weight of glass fiber, 1 parts by weight asbestos fibre, 1 parts by weight boron fibre and 1
Part steel fibre is placed in 5 parts by weight Aluminum sols, is stirred evenly, is obtained fiber composite suspension；
The monoblock carbon cloth of 1 parts by weight is added into fiber composite suspension, stirring fiber composite suspension is coated on
The outside of carbon cloth, is placed in the first mould, pressing mold, and isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature, obtains
To core；
(2) by 0.1 parts by weight Nano diamond, 0.3 parts by weight nano-titanium dioxide, 0.1 parts by weight nano silver and 0.2
The Nano-Zinc of parts by weight is placed in 1 weight part of ethylacetate, and water bath sonicator 30min, obtains a nanometer mixed serum；
(3) in the titanium colloidal sol of its quality 1% of 1 parts by weight γ-alundum (Al2O3) surface spraying, nanoparticulate carriers are obtained；
Nanometer mixed serum is sprayed on nanoparticulate carriers surface, obtains nano-particle precast body；
Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；
(4) 5 parts by weight Wheat Straws, 7 parts by weight Corn stalks, 5 parts by weight ivorys grass and 8 parts by weight sawdusts are placed in baking oven
In, in the case where temperature is 70 DEG C, water content is dried to less than or equal to 15%；
It is wooden by ivory grass meal essence into the particulate that particle diameter is 10mm by Wheat Straw with corn straw smashing into particle diameter 4mm particulates
Bits are ground into the particulate that particle diameter is 1mm；
Wheat Straw after crushing, maize straw, ivory grass and sawdust are mixed, obtain mixed-powder；
(5) 0.1 parts by weight of titanium dioxide powder, 0.2 parts by weight of silica powder, 0.5 parts by weight aluminium oxide powder
End, 0.3 parts by weight magnesium oxide powder and 0.3 parts by weight oxidation lithium powder are placed in ethanol, in the case where bath temperature is 30 DEG C, ultrasound
30min, obtains suspension；
(6) by 5 parts by weight polyvinyl chloride, 3 parts by weight of polypropylene, 1 parts by weight coconut oil alkyd resin, 1 parts by weight silicic acid
Tetra-ethyl ester, 1 parts by weight stearic acid, 1 parts by weight of acrylic acid sodium and 15 weight part of ethylacetate, are heated to 50 DEG C, stir 30min,
Obtain organic liquor；
(7) keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；Suspension is added afterwards,
15min is stirred, obtains Wood-plastic material precast body；；
(8) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, is then placed in core
In second mould, the outside that Wood-plastic material precast body makes Wood-plastic material precast body be coated on the core, pressing mold, drop are then injected into
Warm to room temperature, obtain the composite fibre wood plastic composite；
The cooling specifically includes：
A. with the rate of temperature fall of 3 DEG C of cooling per minute, 180 DEG C are cooled to, at such a temperature, isothermal holding 15min；
B. with the rate of temperature fall of 5 DEG C of cooling per minute, 160 DEG C are cooled to, at such a temperature, isothermal holding 15min；
C. with the rate of temperature fall of 5 DEG C of cooling per minute, 120 DEG C are cooled to, at such a temperature, isothermal holding 15min；
D. with the rate of temperature fall of 10 DEG C of cooling per minute, 70 DEG C are cooled to, at such a temperature, isothermal holding 15min；
E. with the rate of temperature fall of 10 DEG C of cooling per minute, it is cooled to room temperature.
Embodiment 3
A kind of preparation method of composite fibre wood plastic composite, includes the following steps：
(1) by 3 parts by weight aramid fibers, 3 parts by weight of glass fiber, 3 parts by weight asbestos fibres, 3 parts by weight boron fibres and 3
Part steel fibre is placed in 7 parts by weight Aluminum sols, is stirred evenly, is obtained fiber composite suspension；
The monoblock carbon cloth of 3 parts by weight is added into fiber composite suspension, stirring fiber composite suspension is coated on
The outside of carbon cloth, is placed in the first mould, pressing mold, and isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature, obtains
To core；
(2) by 0.5 parts by weight Nano diamond, 0.6 parts by weight nano-titanium dioxide, 0.3 parts by weight nano silver and 0.5
The Nano-Zinc of parts by weight is placed in 2 weight part of ethylacetate, and water bath sonicator 30min, obtains a nanometer mixed serum；
(3) in the titanium colloidal sol of its quality 1% of 5 parts by weight γ-alundum (Al2O3) surface spraying, nanoparticulate carriers are obtained；
Nanometer mixed serum is sprayed on nanoparticulate carriers surface, obtains nano-particle precast body；
Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；
(4) 10 parts by weight Wheat Straws, 12 parts by weight Corn stalks, 10 parts by weight ivorys grass and 15 parts by weight sawdusts are placed in
In baking oven, in the case where temperature is 70 DEG C, water content is dried to less than or equal to 15%；
It is wooden by ivory grass meal essence into the particulate that particle diameter is 15mm by Wheat Straw with corn straw smashing into particle diameter 7mm particulates
Bits are ground into the particulate that particle diameter is 3mm；
Wheat Straw after crushing, maize straw, ivory grass and sawdust are mixed, obtain mixed-powder；
(5) 0.5 parts by weight of titanium dioxide powder, 0.4 parts by weight of silica powder, 1 parts by weight alundum (Al2O3) powder,
0.5 parts by weight magnesium oxide powder and 0.7 parts by weight oxidation lithium powder are placed in ethanol, in the case where bath temperature is 30 DEG C, ultrasound
30min, obtains suspension；
(6) by 10 parts by weight polyvinyl chloride, 7 parts by weight of polypropylene, 3 parts by weight coconut oil alkyd resins, 3 parts by weight silicic acid
Tetra-ethyl ester, 3 parts by weight Tween-80s, 3 parts by weight of acrylic acid sodium and 20 weight part of ethylacetate, are heated to 50 DEG C, stir 30min,
Obtain organic liquor；
(7) keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；Suspension is added afterwards,
15min is stirred, obtains Wood-plastic material precast body；
(8) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, is then placed in core
In second mould, the outside that Wood-plastic material precast body makes Wood-plastic material precast body be coated on the core, pressing mold, drop are then injected into
Warm to room temperature, obtain the composite fibre wood plastic composite；
The cooling specifically includes：
A. with the rate of temperature fall of 3 DEG C of cooling per minute, 180 DEG C are cooled to, at such a temperature, isothermal holding 15min；
B. with the rate of temperature fall of 5 DEG C of cooling per minute, 160 DEG C are cooled to, at such a temperature, isothermal holding 15min；
C. with the rate of temperature fall of 5 DEG C of cooling per minute, 120 DEG C are cooled to, at such a temperature, isothermal holding 15min；
D. with the rate of temperature fall of 10 DEG C of cooling per minute, 70 DEG C are cooled to, at such a temperature, isothermal holding 15min；
E. with the rate of temperature fall of 10 DEG C of cooling per minute, it is cooled to room temperature.
Embodiment 4
A kind of preparation method of composite fibre wood plastic composite, includes the following steps：
(1) by 2 parts by weight aramid fibers, 1 parts by weight of glass fiber, 3 parts by weight asbestos fibres, 1 parts by weight boron fibre and 2
Part steel fibre is placed in 7 parts by weight Aluminum sols, is stirred evenly, is obtained fiber composite suspension；
The monoblock carbon cloth of 3 parts by weight is added into fiber composite suspension, stirring fiber composite suspension is coated on
The outside of carbon cloth, is placed in the first mould, pressing mold, and isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature, obtains
To core；
(2) by 0.3 parts by weight Nano diamond, 0.4 parts by weight nano-titanium dioxide, 0.4 parts by weight nano silver and
The Nano-Zinc of 0.35 parts by weight is placed in 1.5 weight part of ethylacetate, and water bath sonicator 30min, obtains a nanometer mixed serum；
(3) in the titanium colloidal sol of its quality 1% of 2.5 parts by weight γ-alundum (Al2O3) surface spraying, nano-particle load is obtained
Body；
Nanometer mixed serum is sprayed on nanoparticulate carriers surface, obtains nano-particle precast body；
Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；
(4) 9 parts by weight Wheat Straws, 11 parts by weight Corn stalks, 7 parts by weight ivorys grass and 12 parts by weight sawdusts are placed in baking
In case, in the case where temperature is 70 DEG C, water content is dried to less than or equal to 15%；
It is wooden by ivory grass meal essence into the particulate that particle diameter is 13mm by Wheat Straw with corn straw smashing into particle diameter 6mm particulates
Bits are ground into the particulate that particle diameter is 2mm；
Wheat Straw after crushing, maize straw, ivory grass and sawdust are mixed, obtain mixed-powder；
(5) 0.3 parts by weight of titanium dioxide powder, 0.3 parts by weight of silica powder, 0.8 parts by weight aluminium oxide powder
End, 0.4 parts by weight magnesium oxide powder and 0.5 parts by weight oxidation lithium powder are placed in ethanol, in the case where bath temperature is 30 DEG C, ultrasound
30min, obtains suspension；
(6) by 7 parts by weight polyvinyl chloride, 6 parts by weight of polypropylene, 2 parts by weight coconut oil alkyd resins, 3 parts by weight silicic acid
Tetra-ethyl ester, 3 parts by weight Tween-80s, 3 parts by weight sodium methylene bis-naphthalene sulfonates and 19 weight part of ethylacetate, are heated to 50 DEG C, stir
30min is mixed, obtains organic liquor；
(7) keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；Suspension is added afterwards,
15min is stirred, obtains Wood-plastic material precast body；；
(8) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, is then placed in core
In second mould, the outside that Wood-plastic material precast body makes Wood-plastic material precast body be coated on the core, pressing mold, drop are then injected into
Warm to room temperature, obtain the composite fibre wood plastic composite；
The cooling specifically includes：
A. with the rate of temperature fall of 3 DEG C of cooling per minute, 180 DEG C are cooled to, at such a temperature, isothermal holding 15min；
B. with the rate of temperature fall of 5 DEG C of cooling per minute, 160 DEG C are cooled to, at such a temperature, isothermal holding 15min；
C. with the rate of temperature fall of 5 DEG C of cooling per minute, 120 DEG C are cooled to, at such a temperature, isothermal holding 15min；
D. with the rate of temperature fall of 10 DEG C of cooling per minute, 70 DEG C are cooled to, at such a temperature, isothermal holding 15min；
E. with the rate of temperature fall of 10 DEG C of cooling per minute, it is cooled to room temperature.
Compliance test result
Performance test to the embodiment 1-4 Wood-plastic materials prepared, the results are shown in Table 1：
Table 1
| Hardness/HV | Bending strength (MPa) | |
| Embodiment 1 | 114 | 102 |
| Embodiment 2 | 109 | 95 |
| Embodiment 3 | 108 | 94 |
| Embodiment 4 | 108 | 95 |
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Realize other modification, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (4)
1. a kind of preparation method of composite fibre wood plastic composite, it is characterised in that include the following steps：
(1) it is 1-3 parts by weight aramid fiber, 1-3 parts by weight of glass fiber, 1-3 parts by weight asbestos fibre, 1-3 parts by weight boron is fine
1-3 parts of steel fibres of peacekeeping are placed in 5-7 parts by weight Aluminum sols, are stirred evenly, are obtained fiber composite suspension；
The monoblock carbon cloth of 1-3 parts by weight is added into fiber composite suspension, stirring fiber composite suspension is coated on carbon
The outside of fiber cloth, is placed in the first mould, pressing mold, and isothermal holding 20min at being 200 DEG C in temperature, is cooled to room temperature, obtains
Core；
(2) 0.1-0.5 parts by weight Nano diamond, 0.3-0.6 parts by weight nano-titanium dioxides, 0.1-0.3 parts by weight are received
The Nano-Zinc of meter Yin and 0.2-0.5 parts by weight is placed in 1-2 weight part of ethylacetate, water bath sonicator 30min, obtains nanometer mixing
Slurries；
(3) in the titanium colloidal sol of its quality 1% of 1-5 parts by weight γ-alundum (Al2O3) surface spraying, nanoparticulate carriers are obtained；
Nanometer mixed serum is sprayed on nanoparticulate carriers surface, obtains nano-particle precast body；
Nano-particle precast body roasts 30min at being 300 DEG C in temperature, obtains nano-particle；
(4) by 5-10 parts by weight Wheat Straw, 7-12 parts by weight Corn stalk, 5-10 parts by weight ivory grass and 8-15 parts by weight sawdusts
It is placed in baking oven, in the case where temperature is 70 DEG C, is dried to water content less than or equal to 15%；
By Wheat Straw with corn straw smashing into particle diameter 4-7mm particulates, the particulate by ivory grass meal essence into particle diameter for 10-15mm,
Sawdust is ground into the particulate that particle diameter is 1-3mm；
Wheat Straw after crushing, maize straw, ivory grass and sawdust are mixed, obtain mixed-powder；
(5) 0.1-0.5 parts by weight of titanium dioxide powder, 0.2-0.4 parts by weight of silica powder, 0.5-1 parts by weight three aoxidize
Two aluminium powders, 0.3-0.5 parts by weight magnesium oxide powder and 0.3-0.7 parts by weight oxidation lithium powder are placed in ethanol, in water-bath temperature
Spend at 30 DEG C, ultrasonic 30min, obtains suspension；
(6) by 5-10 parts by weight polyvinyl chloride, 3-7 parts by weight of polypropylene, 1-3 parts by weight coconuts oil alkyd resin, 1-3 parts by weight
Tetraethyl orthosilicate, 1-3 parts surfactants, 1-3 parts per weight dispersing agents and 15-20 weight part of ethylacetate, are heated to 50
DEG C, 30min is stirred, obtains organic liquor；
(7) keep organic liquor to add mixed-powder and nano-particle at 50 DEG C, stir 20min；
Suspension is added afterwards, is stirred 15min, is obtained Wood-plastic material precast body；
(8) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, core is then placed in second
In mould, being then injected into Wood-plastic material precast body makes Wood-plastic material precast body be coated on the outside of the core, and pressing mold, is cooled to
Room temperature, obtains the composite fibre wood plastic composite.
2. the preparation method of composite fibre wood plastic composite according to claim 1, it is characterised in that the cooling tool
Body includes：
A. with the rate of temperature fall of 3 DEG C of cooling per minute, 180 DEG C are cooled to, at such a temperature, isothermal holding 15min；
B. with the rate of temperature fall of 5 DEG C of cooling per minute, 160 DEG C are cooled to, at such a temperature, isothermal holding 15min；
C. with the rate of temperature fall of 5 DEG C of cooling per minute, 120 DEG C are cooled to, at such a temperature, isothermal holding 15min；
D. with the rate of temperature fall of 10 DEG C of cooling per minute, 70 DEG C are cooled to, at such a temperature, isothermal holding 15min；
E. with the rate of temperature fall of 10 DEG C of cooling per minute, it is cooled to room temperature.
3. the preparation method of composite fibre wood plastic composite according to claim 1, it is characterised in that the dispersant
For sodium methylene bis-naphthalene sulfonate or sodium acrylate.
4. the preparation method of composite fibre wood plastic composite according to claim 1, it is characterised in that live on the surface
Property agent is Tween-80 or stearic acid.
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| CN1709973A (en) * | 2005-06-30 | 2005-12-21 | 北京航空航天大学 | Inorganic nano combined fiber reinforced polyimide composite material and its preparing method |
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