CN108047739A - The preparation method of nano metal composite particle wood plastic composite - Google Patents
The preparation method of nano metal composite particle wood plastic composite Download PDFInfo
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Abstract
A kind of preparation method of nano metal composite particle wood plastic composite provided by the invention is acted synergistically using Nano diamond, nano-titanium dioxide, nano silver and Nano-Zinc, promotes 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 enhance 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；Using titanium dioxide, magnesia, alundum (Al2O3) etc. as adhesive, while the mechanical strength of effective reinforcing material, effectively increase Wheat Straw, sawdust, maize straw etc. with polyvinyl chloride and polyacrylic combination power；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.
Description
Technical field
The present invention relates to a kind of composite material, more particularly to a kind of preparation of nano metal composite particle wood plastic composite
Method.
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
It asks mechanical strength fine, and requires 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 nano metal composite particle wood plastic composite,
With higher mechanical strength, meet building and decoration demand.
In order to realize these purposes and further advantage according to the present invention, a kind of nano metal composite particle wood moulding is provided
The preparation method of composite material, includes the following steps：
(1) 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；
(2) 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 in the case where temperature is 300 DEG C, obtains nano-particle；
(3) 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 grain size 4-7mm particles, by ivory grass meal essence into grain size be the micro- of 10-15mm
Grain, sawdust are ground into the particle that grain size is 1-3mm；
Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；
(4) 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 ethyl alcohol, in water
Bath temperature is at 30 DEG C, and ultrasonic 30min obtains suspension；
(5) 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；
(6) organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stirs 20min；
Suspension is added in afterwards, is stirred 15min, is obtained Wood-plastic material precast body；
(7) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, and is placed on mold
In, pressing mold, pressing mold is cooled to room temperature, obtains the nano metal composite particle wood plastic composite.
Preferably, in the preparation method of the nano metal composite particle wood plastic composite, the cooling is specific
Including：
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 nano metal composite particle wood plastic composite, the dispersant is
Sodium methylene bis-naphthalene sulfonate or sodium acrylate.
Preferably, in the preparation method of the nano metal composite particle wood plastic composite, the surface-active
Agent is Tween-80 or stearic acid.
The present invention includes at least following advantageous effect：
A kind of preparation method of nano metal composite particle wood plastic composite provided by the invention, includes the following steps：
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-Zinc of 0.2-0.5 parts by weight is placed in 1-2 weight part of ethylacetate, and water bath sonicator 30min obtains a nanometer mixed serum；
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 is mixed
Slurries are sprayed on nanoparticulate carriers surface, obtain nano-particle precast body；Nano-particle precast body is roasted in the case where temperature is 300 DEG C
30min is burnt, obtains nano-particle；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 are placed in baking oven, in the case where temperature is 70 DEG C, are dried to water content less than or equal to 15%；By Wheat Straw and jade
Rice stalk is ground into grain size 4-7mm particles, and by ivory grass meal essence into the particle that grain size is 10-15mm, sawdust is ground into grain size and is
The particle of 1-3mm；Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；0.1-0.5 weights
Measure part titania 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 are placed in ethyl alcohol, in the case where bath temperature is 30 DEG C, ultrasound
30min obtains suspension；By 5-10 parts by weight polyvinyl chloride, 3-7 parts by weight of polypropylene, 1-3 parts by weight coconut oil alkyd trees
Fat, 1-3 parts by weight tetraethyl orthosilicate, 1-3 parts surfactants, 1-3 parts per weight dispersing agents and 15-20 parts by weight acetic acid second
Ester is heated to 50 DEG C, stirs 30min, obtains organic liquor；Organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stir
Mix 20min；Suspension is added in afterwards, is stirred 15min, is obtained Wood-plastic material precast body；Wood-plastic material precast body is warming up to 200
DEG C, agitating and heating 10min at this temperature, and be placed in mold, pressing mold, pressing mold, room temperature is cooled to, obtains the nanogold
Belong to compound particle wood plastic composite.
First, it is acted synergistically, promoted using Nano diamond, nano-titanium dioxide, nano silver and Nano-Zinc in of the invention
The formation of material crystal structure effectively enhances the hardness of Wood-plastic material；Second, γ-alundum (Al2O3) is selected as carrier,
Being primarily due to γ-alundum (Al2O3) has larger mechanical strength, can effectively enhance the impact resistance of Wood-plastic material,
Secondary, γ-alundum (Al2O3) has larger mechanical area, by titanium colloidal sol, nano material is adhered to its surface, is effectively kept away
The agglomeration of nano material is exempted from；3rd, the raw material of special ratios is selected in the application, is effectively guaranteed the machinery of material
Intensity；4th, it uses by titanium dioxide, magnesia, alundum (Al2O3) etc. as adhesive in the application, in effective reinforcing material
Mechanical strength while, effectively increase Wheat Straw, sawdust, maize straw etc. with polyvinyl chloride and polyacrylic combination
Power；5th, the application turns waste into wealth, and the raw material that Wheat Straw, sawdust etc. are discarded is combined with polyvinyl chloride and polypropylene, green ring
It protects.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific 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 nano metal composite particle wood plastic composite, includes the following steps：
(1) 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；
(2) 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 in the case where temperature is 300 DEG C, obtains nano-particle；
(3) 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 particle that grain size is 12mm by Wheat Straw with corn straw smashing into grain size 5mm particles
Bits are ground into the particle that grain size is 2mm；
Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；
(4) 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 ethyl alcohol, in the case where bath temperature is 30 DEG C, ultrasound
30min obtains suspension；
(5) 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；
(6) organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stirs 20min；Suspension is added in afterwards,
15min is stirred, obtains Wood-plastic material precast body；
(7) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, and is placed on mold
In, pressing mold cools down after pressing mold, obtains the nano metal composite particle 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 nano metal composite particle wood plastic composite, includes the following steps：
(1) 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；
(2) 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 in the case where temperature is 300 DEG C, obtains nano-particle；
(3) 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 particle that grain size is 10mm by Wheat Straw with corn straw smashing into grain size 4mm particles
Bits are ground into the particle that grain size is 1mm；
Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；
(4) 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 ethyl alcohol, in the case where bath temperature is 30 DEG C, ultrasound
30min obtains suspension；
(5) 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；
(6) organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stirs 20min；Suspension is added in afterwards,
15min is stirred, obtains Wood-plastic material precast body；；
(7) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, and is placed on mold
In, pressing mold cools down after pressing mold, obtains the nano metal composite particle 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 nano metal composite particle wood plastic composite, includes the following steps：
(1) 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；
(2) 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 in the case where temperature is 300 DEG C, obtains nano-particle；
(3) 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 particle that grain size is 15mm by Wheat Straw with corn straw smashing into grain size 7mm particles
Bits are ground into the particle that grain size is 3mm；
Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；
(4) 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 ethyl alcohol, in the case where bath temperature is 30 DEG C, ultrasound
30min obtains suspension；
(5) 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；
(6) organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stirs 20min；Suspension is added in afterwards,
15min is stirred, obtains Wood-plastic material precast body；
(7) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, and is placed on mold
In, pressing mold cools down after pressing mold, obtains the nano metal composite particle 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 nano metal composite particle wood plastic composite, includes the following steps：
(1) 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；
(2) 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 in the case where temperature is 300 DEG C, obtains nano-particle；
(3) 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 particle that grain size is 13mm by Wheat Straw with corn straw smashing into grain size 6mm particles
Bits are ground into the particle that grain size is 2mm；
Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；
(4) 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 ethyl alcohol, in the case where bath temperature is 30 DEG C, ultrasound
30min obtains suspension；
(5) 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；
(6) organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stirs 20min；Suspension is added in afterwards,
15min is stirred, obtains Wood-plastic material precast body；；
(7) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, and is placed on mold
In, pressing mold cools down after pressing mold, obtains the nano metal composite particle 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 | 110 | 101 |
| Embodiment 2 | 105 | 97 |
| Embodiment 3 | 102 | 95 |
| Embodiment 4 | 107 | 97 |
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details.
Claims (4)
1. a kind of preparation method of nano metal composite particle wood plastic composite, which is characterized in that include the following steps：
(1) 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；
(2) 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 in the case where temperature is 300 DEG C, obtains nano-particle；
(3) 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 and corn straw smashing into grain size 4-7mm particles, by ivory grass meal essence into the particle that grain size is 10-15mm,
Sawdust is ground into the particle that grain size is 1-3mm；
Wheat Straw, maize straw, ivory grass and sawdust after crushing is mixed, obtains mixed-powder；
(4) 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 ethyl alcohol, in water-bath temperature
It spends at 30 DEG C, ultrasonic 30min obtains suspension；
(5) 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；
(6) organic liquor is kept to add in mixed-powder and nano-particle at 50 DEG C, stirs 20min；
Suspension is added in afterwards, is stirred 15min, is obtained Wood-plastic material precast body；
(7) Wood-plastic material precast body is warming up to 200 DEG C, at this temperature agitating and heating 10min, and be placed in mold, pressed
Mould, pressing mold are cooled to room temperature, obtain the nano metal composite particle wood plastic composite.
2. the preparation method of nano metal composite particle wood plastic composite according to claim 1, which is characterized in that institute
Cooling is stated to specifically include：
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 nano metal composite particle wood plastic composite according to claim 1, which is characterized in that institute
Dispersant is stated as sodium methylene bis-naphthalene sulfonate or sodium acrylate.
4. the preparation method of nano metal composite particle wood plastic composite according to claim 1, which is characterized in that institute
Surfactant is stated as Tween-80 or stearic acid.
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| CN101024709A (en) * | 2007-02-06 | 2007-08-29 | 南京航空航天大学 | Moulding-grade wood-plastic composite and processing process |
| CN105199416A (en) * | 2015-11-11 | 2015-12-30 | 东北林业大学 | Reinforced and strengthened polyolefin wood-plastic composite and preparation method thereof |
| CN105694502A (en) * | 2016-01-29 | 2016-06-22 | 安徽以诺木塑板材科技有限公司 | Environment-friendly wood-plastic material |
| CN106519604A (en) * | 2016-11-15 | 2017-03-22 | 墨宝股份有限公司 | Antibiotic and flame-retardant straw composite material and preparation method thereof |
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| CN1344586A (en) * | 2001-10-31 | 2002-04-17 | 南开大学 | Composite loading nano-titania carrier and its prepn |
| CN101024709A (en) * | 2007-02-06 | 2007-08-29 | 南京航空航天大学 | Moulding-grade wood-plastic composite and processing process |
| CN105199416A (en) * | 2015-11-11 | 2015-12-30 | 东北林业大学 | Reinforced and strengthened polyolefin wood-plastic composite and preparation method thereof |
| CN105694502A (en) * | 2016-01-29 | 2016-06-22 | 安徽以诺木塑板材科技有限公司 | Environment-friendly wood-plastic material |
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Application publication date: 20180518 |