CN107312284A - A kind of preparation method of 3D printing nano composite material - Google Patents
A kind of preparation method of 3D printing nano composite material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F261/00—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
- C08F261/02—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
- C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention relates to a kind of preparation method of 3D printing nano composite material, waste plastics is carried out after cleaning screening, it is secondary to utilize, and make alloyed metal powder, de-agglomerated processing is implemented to nanometer powder using surfactant, so that nanometer powder possesses excellent dispersiveness, it is mixed after addition, can further lifts toughness of products；Ball milling will be carried out after nanometer powder reinforcing material suspension, alloyed metal powder, organic solvent and hydroxy acrylic acid copolymer resins powder uniformly mixing, mixed-powder is dried to obtain, binding agent is added afterwards and obtains nano composite material；The nano composite material, being capable of the effectively rapid shaping on 3D printer, and can be applied to the 3D printer of a variety of different models as the shaping raw material of 3D printing rapidform machine.
Description
Technical field
The invention belongs to 3D printing field, it is more particularly related to a kind of system of 3D printing nano composite material
Preparation Method.
Background technology
RP technique is born in the late 1980s, is a kind of high coming of new skill based on material stacking method
Art, it is considered to be manufacture a great achievement in field in recent years.It collects mechanical engineering, CAD, reverse Engineering Technology, layering system
Make technology, Numeric Control Technology, material science, laser technology, automatically, directly, quickly and accurately can turn design philosophy
It is changed into prototype or direct manufacturing parts with certain function, so as to be the side such as part prototype, verification of new design philosophy
Face provides a kind of realization rate of high efficiency, low cost.That is, RP technique is exactly the data using three-dimensional CAD, by fast
Fast forming machine, by material stacking from level to level into physical prototypes.
3D printing is a kind of rapid shaping technique, and it combines computer graphical processing, digital information and control, laser
The advantage of the multinomial technology such as technology, mechanical ＆ electrical technology and material technology, can pass through modeling software or three-dimensional by the physical form of product
Scanner is converted into 3-dimensional digital three-dimensional model, with delamination software that this model is discrete in Z axis, forms a series of with specific thickness
The thin layer of degree, then using various methods by this series of thin layers successively heap come, eventually pass appropriate post-processing approach,
Obtain required product.This forming method does not need mould, eliminates the processes such as mold design, manufacture and matched moulds, the demoulding,
Research and development and manufacturing cycle are significantly shorten, the cost of product is reduced.
3D printing can be divided into two major classes：The first kind is the forming method based on laser technology, such as stereolithography (Stereo
Lithography Apparatus, SLA), quires layer (Laminated Object Manufacturing, LOM), selectivity
Laser sintered (Selective Laser Sintered, SLS), selective laser melting (Selective Laser Melted,
SLM) etc.；Equations of The Second Kind is the forming method of non-laser technology, such as fuse deposition (Fused Deposition Modeling,
FDM), mask photocuring (Mask Stereo lithography, MS), impact particulate manufacture (Ballistic Particle
Manufacturing, BPM), entity grinding solidification (Solid Ground, SGC) etc..Technology difference material therefor is then completely not
Together, for example：Fuse deposition (FDM) technical operation is simple, and material used is mainly environmental protection macromolecule material, for example：PLA、
PCL, PA, ABS, PC, PVC etc..At present, the 3D printing moulding material that in the market is sold is monopolized by offshore company substantially, price
Height, serious restriction 3D printing technique popularizing in China.
The content of the invention
Problem to be solved by this invention is to provide a kind of preparation method of 3D printing nano composite material.
To achieve these goals, the technical scheme taken of the present invention is：
A kind of preparation method of 3D printing nano composite material, comprises the following steps：
(1) prepared by plastics
Preliminary crushing is carried out to waste plastic with duroplasts disintegrating machine, will be broken followed by batch type plastic cleaning machine
The waste plastic of broken mistake carries out thoroughly cleaning, removes the dirt on surface, after natural air drying is selected, and selected plastics are made；
(2) prepared by hydroxy acrylic acid copolymer resins
Selected plastics, polyvinyl alcohol, methyl methacrylate, butyl acrylate, initiator and water are mixed, heating response
Filtered afterwards, obtain hydroxy acrylic acid copolymer resins；
(3) melting
It is 1500~1600 DEG C that raw metal is carried out into melting, smelting temperature, and smelting time is 2~3h, and slag hitting is with obtained
Metallic slurry；
(4) prepared by alloying pellet
The metallic slurry is subjected to ultrasonic atomizatio processing, condensed so that alloying pellet is made；
(5) static pressure
By the alloying pellet carry out static pressure processing be made medical 3D printing metal dust, static pressure processing pressure be 250~
350MPa, static pressure processing time is 10~15h；
(6) it is modified
Surfactant is dissolved in organic solvent and forms the surfactant solution that concentration is 1.5~3.5g/L, will be received
Ground rice end reinforcing material is added in the surfactant solution, and 30~60min of ultrasonic agitation forms modified nanometer powder and increased
Strong material suspension；
(7) mix
By above-mentioned modified nanometer powder reinforcing material suspension, alloyed metal powder, organic solvent and hydroxy
After sour copolymer resins powder is uniformly mixed, and rotating speed is put into be ground 5~9 hours in 3500~4000 turns/min grinder,
Then supercritical drying is carried out, mixed-powder is obtained；
(8) ball milling
Above-mentioned mixed-powder and binding agent are uniformly mixed, simultaneously ball milling 1~2 hour, shape are then mixed with low temperature curing agent
Into nano composite material, the solid content of the nano composite material is 75~85%.
It is preferred that, selected plastics low-temperature grinding is crossed the sieve of 300~400 mesh by the step (2).
It is preferred that, toughener is added in the step (2), the toughener is to include following component：Calcium carbonate 5~15
Part；1~3 part of titanate coupling agent.
It is preferred that the slagging agent that uses of the step (3) slag hitting by silica, aluminum oxide, potassium oxide, oxidation
Sodium, calcium oxide, titanium oxide and magnesia composition.
It is preferred that, it is characterised in that：Step (4) hypersonic air flow at least meets following condition：Stream pressure be 2~
2.6MPa, pulse frequency is 80~100KHz, and air velocity is not more than 640m/s；And the pressure of gas medium be 1.4~
2MPa。
It is preferred that, it is characterised in that：The step (7) adds nano antibacterial agent.
It is preferred that, it is characterised in that：Step (7) nano antibacterial agent is titanium dioxide nanoparticle and nano-Ag particles
One or both of.
Beneficial effect：The present invention relates to a kind of preparation method of 3D printing nano composite material, waste plastics is cleaned
It is secondary to utilize after screening, and alloyed metal powder is made, de-agglomerated processing is implemented to nanometer powder using surfactant, made
Obtain nanometer powder and possess excellent dispersiveness, be mixed after addition, can further lift toughness of products；Nanometer powder is increased
Strong material suspension, alloyed metal powder, organic solvent and hydroxy acrylic acid copolymer resins powder uniformly carry out after mixing ball milling,
Mixed-powder is dried to obtain, binding agent is added afterwards and obtains nano composite material；The nano composite material is quick as 3D printing
The shaping raw material of forming machine, can the effective rapid shaping on 3D printer, and can be applied to the 3D of a variety of different models and beat
Print machine.
Embodiment
Embodiment 1：
A kind of preparation method of 3D printing nano composite material, comprises the following steps：
(1) prepared by plastics
Preliminary crushing is carried out to waste plastic with duroplasts disintegrating machine, will be broken followed by batch type plastic cleaning machine
The waste plastic of broken mistake carries out thoroughly cleaning, removes the dirt on surface, after natural air drying is selected, and selected plastics are made；
(2) prepared by hydroxy acrylic acid copolymer resins
By selected plastics low-temperature grinding, and cross the sieve of 300 mesh, and by selected plastics, polyvinyl alcohol, methyl methacrylate
Ester, butyl acrylate, initiator and water mixing, add toughener, the toughener is to include following component：5 parts of calcium carbonate；
1 part of titanate coupling agent, is filtered after heating response, obtains hydroxy acrylic acid copolymer resins；
(3) melting
It is 1500 DEG C that raw metal is carried out into melting, smelting temperature, and smelting time is 2h, slag hitting so that metallic slurry is made,
The slagging agent that the slag hitting is used by silica, aluminum oxide, potassium oxide, sodium oxide molybdena, calcium oxide, titanium oxide and oxidation
Magnesium is constituted；
(4) prepared by alloying pellet
The metallic slurry is subjected to ultrasonic atomizatio processing, condensed so that alloying pellet is made, the hypersonic air flow condition is：
Stream pressure is 2MPa, and pulse frequency is 80KHz, and air velocity is not more than 640m/s；And the pressure of gas medium is
1.4MPa；
(5) static pressure
The alloying pellet is subjected to static pressure processing medical 3D printing metal dust is made, static pressure processing pressure is
250MPa, static pressure processing time is 10h；
(6) it is modified
Surfactant is dissolved in organic solvent and forms the surfactant solution that concentration is 1.5g/L, by nanometer powder
Reinforcing material is added in the surfactant solution, ultrasonic agitation 30min, forms modified nanometer powder reinforcing material suspended
Liquid；
(7) mix
By above-mentioned modified nanometer powder reinforcing material suspension, alloyed metal powder, organic solvent, nano antibacterial agent
And after hydroxy acrylic acid copolymer resins powder is uniformly mixed, and rotating speed is put into be ground 5 hours in 3500 turns/min grinder,
Then supercritical drying is carried out, mixed-powder is obtained, the nano antibacterial agent is titanium dioxide nanoparticle and nano-Ag particles
One or both of；
(8) ball milling
Above-mentioned mixed-powder and binding agent are uniformly mixed, simultaneously ball milling 1 hour is then mixed with low temperature curing agent, formation is received
Nano composite material, the solid content of the nano composite material is 75%.
Embodiment 2：
A kind of preparation method of 3D printing nano composite material, comprises the following steps：
(1) prepared by plastics
Preliminary crushing is carried out to waste plastic with duroplasts disintegrating machine, will be broken followed by batch type plastic cleaning machine
The waste plastic of broken mistake carries out thoroughly cleaning, removes the dirt on surface, after natural air drying is selected, and selected plastics are made；
(2) prepared by hydroxy acrylic acid copolymer resins
By selected plastics low-temperature grinding, and cross the sieve of 350 mesh, and by selected plastics, polyvinyl alcohol, methyl methacrylate
Ester, butyl acrylate, initiator and water mixing, add toughener, the toughener is to include following component：Calcium carbonate 10
Part；2 parts of titanate coupling agent, is filtered after heating response, obtains hydroxy acrylic acid copolymer resins；
(3) melting
It is 1550 DEG C that raw metal is carried out into melting, smelting temperature, and smelting time is 2.5h, and slag hitting is melted so that metal is made
Slurry, the slagging agent that the slag hitting is used by silica, aluminum oxide, potassium oxide, sodium oxide molybdena, calcium oxide, titanium oxide and
Magnesia is constituted；
(4) prepared by alloying pellet
The metallic slurry is subjected to ultrasonic atomizatio processing, condensed so that alloying pellet is made, the hypersonic air flow condition is：
Stream pressure is 2.3MPa, and pulse frequency is 90KHz, and air velocity is not more than 640m/s；And the pressure of gas medium is
1.7MPa；
(5) static pressure
The alloying pellet is subjected to static pressure processing medical 3D printing metal dust is made, static pressure processing pressure is
300MPa, static pressure processing time is 12.5h；
(6) it is modified
Surfactant is dissolved in organic solvent and forms the surfactant solution that concentration is 2.5g/L, by nanometer powder
Reinforcing material is added in the surfactant solution, ultrasonic agitation 45min, forms modified nanometer powder reinforcing material suspended
Liquid；
(7) mix
By above-mentioned modified nanometer powder reinforcing material suspension, alloyed metal powder, organic solvent, nano antibacterial agent
And after hydroxy acrylic acid copolymer resins powder is uniformly mixed, and rotating speed is put into be ground 7 hours in 3750 turns/min grinder,
Then supercritical drying is carried out, mixed-powder is obtained, the nano antibacterial agent is titanium dioxide nanoparticle and nano-Ag particles
One or both of；
(8) ball milling
Above-mentioned mixed-powder and binding agent are uniformly mixed, simultaneously ball milling 1.5 hours are then mixed with low temperature curing agent, are formed
Nano composite material, the solid content of the nano composite material is 80%.
Embodiment 3：
A kind of preparation method of 3D printing nano composite material, comprises the following steps：
(1) prepared by plastics
Preliminary crushing is carried out to waste plastic with duroplasts disintegrating machine, will be broken followed by batch type plastic cleaning machine
The waste plastic of broken mistake carries out thoroughly cleaning, removes the dirt on surface, after natural air drying is selected, and selected plastics are made；
(2) prepared by hydroxy acrylic acid copolymer resins
By selected plastics low-temperature grinding, and cross the sieve of 400 mesh, and by selected plastics, polyvinyl alcohol, methyl methacrylate
Ester, butyl acrylate, initiator and water mixing, add toughener, the toughener is to include following component：Calcium carbonate 15
Part；3 parts of titanate coupling agent, is filtered after heating response, obtains hydroxy acrylic acid copolymer resins；
(3) melting
It is 1600 DEG C that raw metal is carried out into melting, smelting temperature, and smelting time is 3h, slag hitting so that metallic slurry is made,
The slagging agent that the slag hitting is used by silica, aluminum oxide, potassium oxide, sodium oxide molybdena, calcium oxide, titanium oxide and oxidation
Magnesium is constituted；
(4) prepared by alloying pellet
The metallic slurry is subjected to ultrasonic atomizatio processing, condensed so that alloying pellet is made, the hypersonic air flow condition is：
Stream pressure is 2.6MPa, and pulse frequency is 100KHz, and air velocity is not more than 640m/s；And the pressure of gas medium is
2MPa；
(5) static pressure
The alloying pellet is subjected to static pressure processing medical 3D printing metal dust is made, static pressure processing pressure is
350MPa, static pressure processing time is 15h；
(6) it is modified
Surfactant is dissolved in organic solvent and forms the surfactant solution that concentration is 3.5g/L, by nanometer powder
Reinforcing material is added in the surfactant solution, ultrasonic agitation 60min, forms modified nanometer powder reinforcing material suspended
Liquid；
(7) mix
By above-mentioned modified nanometer powder reinforcing material suspension, alloyed metal powder, organic solvent, nano antibacterial agent
And after hydroxy acrylic acid copolymer resins powder is uniformly mixed, and rotating speed is put into be ground 9 hours in 4000 turns/min grinder,
Then supercritical drying is carried out, mixed-powder is obtained, the nano antibacterial agent is titanium dioxide nanoparticle and nano-Ag particles
One or both of；
(8) ball milling
Above-mentioned mixed-powder and binding agent are uniformly mixed, simultaneously ball milling 2 hours are then mixed with low temperature curing agent, formation is received
Nano composite material, the solid content of the nano composite material is 85%.
By the 3D printing nano composite material prepared after process above, sample is taken out respectively, measurement result is such as
Under：
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Prior art index |
| Processability | Typically | It is high | It is high | Typically |
| Cost | It is low | It is low | It is high | It is low |
| Intensity | Typically | It is high | It is high | Typically |
Can be drawn according to above table data, the 3D printing nano composite material obtained when 2 parameter of embodiment it is strong
Degree is high, processability is excellent, cost is low and versatility is good, and the scope of application produced using the production technology is also better than prior art
Level, i.e. this condition are more beneficial for the manufacture of 3D printing nano composite material.
The invention discloses a kind of preparation method of 3D printing nano composite material, waste plastics is carried out after cleaning screening,
It is secondary to utilize, and alloyed metal powder is made, de-agglomerated processing is implemented to nanometer powder using surfactant so that nano powder
End possesses excellent dispersiveness, is mixed after addition, can further lift toughness of products；Nanometer powder reinforcing material is hanged
Turbid liquid, alloyed metal powder, organic solvent and hydroxy acrylic acid copolymer resins powder carry out ball milling, are dried to obtain after uniformly mixing
Mixed-powder, adds binding agent and obtains nano composite material afterwards；The nano composite material is used as 3D printing rapidform machine
Shaping raw material, being capable of the effectively rapid shaping on 3D printer, and can be applied to the 3D printer of a variety of different models.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (7)
1. a kind of preparation method of 3D printing nano composite material, it is characterised in that：Comprise the following steps：
(1) prepared by plastics
Preliminary crushing is carried out to waste plastic with duroplasts disintegrating machine, will be crushed followed by batch type plastic cleaning machine
Waste plastic carry out thoroughly cleaning, remove surface dirt, after natural air drying is selected, be made selected plastics；
(2) prepared by hydroxy acrylic acid copolymer resins
Polyvinyl alcohol, methyl methacrylate, butyl acrylate, selected plastics, initiator and water are mixed, heating response is laggard
Row filtering, obtains hydroxy acrylic acid copolymer resins；
(3) melting
It is 1500~1600 DEG C that raw metal is carried out into melting, smelting temperature, and smelting time is 2~3h, and slag hitting is with obtained metal
Molten slurry；
(4) prepared by alloying pellet
The metallic slurry is subjected to ultrasonic atomizatio processing, condensed so that alloying pellet is made；
(5) static pressure
By the alloying pellet carry out static pressure processing be made medical 3D printing metal dust, static pressure processing pressure be 250~
350MPa, static pressure processing time is 10~15h；
(6) it is modified
Surfactant is dissolved in organic solvent and forms the surfactant solution that concentration is 1.5~3.5g/L, by nano powder
Last reinforcing material is added in the surfactant solution, 30~60min of ultrasonic agitation, forms modified nanometer powder strengthening material
Expect suspension；
(7) mix
Above-mentioned modified nanometer powder reinforcing material suspension, alloyed metal powder, organic solvent and hydroxy acrylic acid are total to
Poly resin powder is uniformly after mixing, and be put into grinding 5~9 hours in the grinder that rotating speed is 3500~4000 turns/min, then
Supercritical drying is carried out, mixed-powder is obtained；
(8) ball milling
Above-mentioned mixed-powder and binding agent are uniformly mixed, simultaneously ball milling 1~2 hour is then mixed with low temperature curing agent, formation is received
Nano composite material, the solid content of the nano composite material is 75~85%.
2. according to a kind of preparation method of 3D printing nano composite material described in claim 1, it is characterised in that：The step
(2) by selected plastics low-temperature grinding, and the sieve of 300~400 mesh is crossed.
3. according to a kind of preparation method of 3D printing nano composite material described in claim 2, it is characterised in that：The step
(2) toughener is added in, the toughener is to include following component：5~15 parts of calcium carbonate；1~3 part of titanate coupling agent.
4. according to a kind of preparation method of 3D printing nano composite material described in claim 3, it is characterised in that：The step
(3) slagging agent that the slag hitting is used by silica, aluminum oxide, potassium oxide, sodium oxide molybdena, calcium oxide, titanium oxide and
Magnesia is constituted.
5. according to a kind of preparation method of 3D printing nano composite material described in claim 1, it is characterised in that：The step
(4) hypersonic air flow at least meets following condition：Stream pressure is 2~2.6MPa, and pulse frequency is 80~100KHz, air velocity
No more than 640m/s；And the pressure of gas medium is 1.4~2MPa.
6. according to a kind of preparation method of 3D printing nano composite material described in claim 4, it is characterised in that：The step
(7) nano antibacterial agent is added.
7. according to a kind of preparation method of 3D printing nano composite material described in claim 1, it is characterised in that：The step
(7) nano antibacterial agent is one or both of titanium dioxide nanoparticle and nano-Ag particles.
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Cited By (5)
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|---|---|---|---|---|
| CN107671303A (en) * | 2017-09-15 | 2018-02-09 | 曹文 | A kind of preparation method of silver alloy composite nano materials |
| CN108213392A (en) * | 2018-01-22 | 2018-06-29 | 安徽新美格包装发展有限公司 | A kind of preparation process of novel can |
| CN112191839A (en) * | 2020-09-11 | 2021-01-08 | 广州有研粉体材料科技有限公司 | Metal powder surface modification method for MIM metal injection molding and metal powder |
| US20210094226A1 (en) * | 2019-09-26 | 2021-04-01 | The Curators Of The University Of Missouri | Oxidation polymerization additive manufacturing |
| CN112676576A (en) * | 2020-12-21 | 2021-04-20 | 中北大学 | SLM forming method of chemical gradient Cr-Fe-Ni component alloy |
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| CN107671303A (en) * | 2017-09-15 | 2018-02-09 | 曹文 | A kind of preparation method of silver alloy composite nano materials |
| CN107671303B (en) * | 2017-09-15 | 2018-12-21 | 曹文 | A kind of preparation method of silver alloy composite nano materials |
| CN108213392A (en) * | 2018-01-22 | 2018-06-29 | 安徽新美格包装发展有限公司 | A kind of preparation process of novel can |
| US20210094226A1 (en) * | 2019-09-26 | 2021-04-01 | The Curators Of The University Of Missouri | Oxidation polymerization additive manufacturing |
| CN112191839A (en) * | 2020-09-11 | 2021-01-08 | 广州有研粉体材料科技有限公司 | Metal powder surface modification method for MIM metal injection molding and metal powder |
| CN112676576A (en) * | 2020-12-21 | 2021-04-20 | 中北大学 | SLM forming method of chemical gradient Cr-Fe-Ni component alloy |
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