CN106046652A - Antibacterial 3D printing product with microporous structure, and preparation method thereof - Google Patents
Antibacterial 3D printing product with microporous structure, and preparation method thereof Download PDFInfo
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- CN106046652A CN106046652A CN201610351828.0A CN201610351828A CN106046652A CN 106046652 A CN106046652 A CN 106046652A CN 201610351828 A CN201610351828 A CN 201610351828A CN 106046652 A CN106046652 A CN 106046652A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- B33Y10/00—Processes of additive manufacturing
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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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- 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
- B33Y80/00—Products made by additive manufacturing
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Abstract
The invention discloses an antibacterial 3D printing product with a microporous structure, and a preparation method thereof. The 3D printing material is prepared from the following components, by weight: 120-140 parts of ABS, 2-8 parts of a light diffusing agent, 2-8 parts of an initiator, 10-20 parts of a cross-linking agent, 10-20 parts of a coupling agent, 10-30 parts of oyster shell powder, 2-8 parts of bentonite, 1-4 parts of medical stone powder, 1-4 parts of supermicron walnut shell powder, 1-6 parts of limonene, 4-20 parts of a plant antibiotic, 2-8 parts of a stevia extract and 0.2-0.4 parts of an auxiliary agent. The invention provides the novel variety of 3D printing product for users to choose according to needs. In the aspect of 3D printing, the application development space of 3D printing products with ABS as a main raw material is greatly expanded. The product and the method have an important significance.
Description
Technical field
The invention belongs to 3D and print field, be specifically related to a kind of 3D printed product and preparation method thereof.
Background technology
The development maked rapid progress along with 3D printing technique, the concept that 3D prints gradually is known by the public.FDM technology is to utilize
ABS, polycarbonate (PC), polyphenylsulfone (PPSF), PLA and other thermoplastic are heated to be squeezed
Press to the filament of semi-molten state, by the mode being deposited on the basis of storehouse layer by layer, from 3D CAD data direct construction prototype.
This technology is commonly used to plastotype, assembling, functional test and conceptual design.Additionally, FDM technology can apply to draw a design with
Quickly manufacture.
ABS material, ABS, original name is acrylonitrile-butadiene-styrene copolymer, is domestic fusion sediment (FDM) formula line
The essential core of material.From the properties of material, from the perspective of hot junction, the relatively easy printing of ABS plastic.No matter what is used
The extruder of sample, all can extruded material the most glidingly.ABS resilient enough, is suitable for making furnishings or ornament, as long as with
Suitable temperature prints, and allows material layer by layer firmly stick, and the intensity of ABS will become at a relatively high.ABS has flexibility, even if
Bear pressure also only can bend, will not fracture.But the abnormal smells from the patient that on the one hand this material when printing to allow very much people have uncomfortable, separately
On the one hand the product variety function printed is limited, it is impossible to meet the diversified demand in market.
Along with development in science and technology and social progress, 3D printed product starts to be not limited only to industrial design, building, engineering and construction
(AEC), automobile, the field such as Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, civil engineering, gun, also open
Begin to come into daily life, in order to make some living utensils or ornament, but the application in life or body at present
The purposes that the shape of the product printed now is brought, and the Art Design etc. that its color and shape are formed, beat 3D
The application and development of print there is also the biggest space, all needs to be further improved in degradable rate, toughness and intensity simultaneously.
Summary of the invention
Goal of the invention: the problem existed for prior art, first technical problem to be solved by this invention is to provide
There is the antibacterial type 3D printed product of microcellular structure.Second to be solved by this invention technical problem is that this has microcellular structure
The preparation method of antibacterial type 3D printed product.3rd technical problem to be solved by this invention has micropore described in being to provide
The application of the antibacterial type 3D printed product of structure.
Technical scheme: for solving above-mentioned technical problem, the invention provides a kind of antibacterial type 3D with microcellular structure and beat
According to parts by weight, print product, includes that following components is made: ABS 120～140 parts；Light diffusing agent 2～8 parts；Initiator 2～8
Part；Cross-linking agent 10～20 parts；Coupling agent 10～20 parts；Oyster shell powder 10～30 parts；Bentonite 2～8 parts；Medical stone powder 1～4
Part；Walnut shell ultrafine powder 1～4 parts；Limonene 1～6 parts；Plant toosedarin 4～20 parts；Stevia rebaudiana (Bertoni) Hemsl extract 2～8 parts；Auxiliary agent
0.2～0.4 part.
It is further preferred that also include nano-silver ionic 2～8 parts according to parts by weight.
Preferably, described light diffusing agent is organosilicon light diffusing agent.
Preferably, described initiator is thermal initiator.
Preferably, described initiator is the mixture of light trigger and thermal initiator.
Preferably, according to parts by weight, described initiator includes that following components is made: light trigger 1～3 parts；Thermal initiator
1～5 part.
Preferably, one or both the mixture during described coupling agent is titanate coupling agent or silane coupler.
Preferably, described plant toosedarin is Parmelia tinctorum Despr. extract.
Preferably, described plant toosedarin is orcin.
Preferably, according to parts by weight, described auxiliary agent includes that following components is made: plasticizer 0.1～0.2 part；Toughener
0.1～0.2 part.
Invention also provides the preparation method for the above-mentioned antibacterial type 3D printed product with microcellular structure, including
Following steps:
1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes, grafting；
2) it is cooled to 20 DEG C～30 DEG C after stirring, puts into extruder, heating, extrusion, pulverize to obtain preparing being grafted and hand over
The ABS powder of connection agent；
3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder,
Medical stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；
4) by step 3) gains are while continue to be mixed and stirred for uniform, and mixing adds the phase processed through atomization successively
Answer plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract and the limonene of parts by weight；
5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；
6) while ultra violet lamp 30～60min, after stirring is cooled to 50 DEG C～55 DEG C, three-dimensional fast shaping is passed through
Technology, adds hot-extrudable moulding, vacuum drying, prepares target product.
Preferably, described step 4) be: by step 3) gains are while continue to be mixed and stirred for uniform, and mixing adds successively
Enter plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract, limonene and the nano-silver ionic of the corresponding parts by weight processed through atomization.
Invention also provides the above-mentioned antibacterial type 3D printed product with microcellular structure and there is microcellular structure making
Ornament in application.
Beneficial effect: the antibacterial type 3D printed product with microcellular structure that the present invention provides, on the one hand significantly enhances
The network structure of product, is effectively improved the toughness of product, and degradable rate is high；On the other hand by thermal initiator, bentonite and
Walnut shell ultrafine powder, the synergism of oyster shell powder so that product itself has certain microcellular structure.
Its component limonene and Stevia rebaudiana (Bertoni) Hemsl extract synergism simultaneously, when being not only effectively improved ABS material high-temperature fusion
Abnormal smells from the patient, improve working environment, and make the product odour virtue prepared by the present invention sweet, can effectively attract fly worm close；And lemon
Lemon alkene and plant toosedarin, medical stone powder synergism make one aspect of the present invention have antioxidation, on the other hand have concurrently
Excellent antimicrobial and anti-inflammation efficacy, and can kill fly worm sperm and effectively suppress the breeding of worm's ovum, therefore the present invention has and well lures
Disinsection efficiency, cleannes are high, and the third aspect has excellent purifying functions concurrently, have and preferably remove free radical effect and certain
Anti-radiation effect, significantly improves the antioxygenic property of the present invention, biocidal property and stability the most further, herein in connection with its micropore
Structure has excellent anticorrosion concurrently and de-tastes fresh-keeping and purifying effect；When in component, increase has nano-silver ionic further, can be at this
On the microcellular structure of material and purifying functions, further play lasting antibiotic effect.In microcellular structure and said components
Under synergism, advantages of good adsorption effect of the present invention so that it extensively can be applied as functional product, it is particluarly suitable for last moulding
Step is made various interest, dicoration and the ornament of adsorption cleaning bacteriostasis efficacy or the functional product of having concurrently, practicality interest
Taste has concurrently, in terms of 3D printed product, is greatly enlarged the application development space of 3D printed product, and meaning is notable.
The preparation method of the antibacterial type 3D printed product with microcellular structure that the present invention provides simultaneously, by high-speed stirring
During mixing, atomization is stirred cooling under adding plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract and limonene, and ultra violet lamp,
Improve stability and the non-oxidizability of obtained 3D printed product further.
Entirety extends service life, it is provided that the new varieties of a kind of 3D printed product select to make for user as required
With, in terms of 3D printing, it being greatly enlarged the application development space of 3D printed product with ABS as primary raw material, meaning is notable.
Detailed description of the invention
Embodiment 1: a kind of antibacterial type 3D printed product with microcellular structure, includes following components system according to parts by weight
Become: ABS 120 parts；Light diffusing agent 2 parts；Initiator 2 parts；Cross-linking agent 10 parts；Coupling agent 10 parts；Oyster shell powder 10 parts；Bentonite 2
Part；Medical stone powder 1 part；Walnut shell ultrafine powder 1 part；Limonene 1 part；Plant toosedarin 4 parts；Stevia rebaudiana (Bertoni) Hemsl extract 2 parts；Auxiliary agent
0.2 part.
Wherein light diffusing agent is organosilicon light diffusing agent.
Wherein according to parts by weight, initiator includes that following components is made: light trigger 1 part；Thermal initiator 1 part.
Wherein coupling agent is titanate coupling agent.
Wherein plant toosedarin is Parmelia tinctorum Despr. extract.
Wherein according to parts by weight, auxiliary agent includes that following components is made: plasticizer 0.1 part；Toughener 0.1 part.
Preparation method comprises the steps: 1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes,
Grafting；2) it is cooled to 20 DEG C after stirring, puts into extruder, heating, extrusion, pulverize and obtain preparing the ABS of graft crosslinking agent
Powder；3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder, wheat meal
Stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；4) by step 3) gains continue to be mixed and stirred for uniform
Meanwhile, mixing adds plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract and the limonene of the corresponding parts by weight processed through atomization successively；
5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；6) while ultra violet lamp 30, stir
Mix after being cooled to 50 DEG C, by three-dimensional fast shaping technology, add hot-extrudable moulding, vacuum drying, prepare target product.Warp
Testing inspection, the flexility of material reaches
82.4Mpa, notch impact strength reach 47.4MJ/m2。
Embodiment 2: a kind of antibacterial type 3D printed product with microcellular structure, includes following components system according to parts by weight
Become: ABS 140 parts；Light diffusing agent 8 parts；Initiator 8 parts；Cross-linking agent 20 parts；Coupling agent 20 parts；Oyster shell powder 30 parts；Bentonite 8
Part；Medical stone powder 4 parts；Walnut shell ultrafine powder 4 parts；Limonene 6 parts；Plant toosedarin 20 parts；Stevia rebaudiana (Bertoni) Hemsl extract 8 parts；Auxiliary agent
0.4 part.
Wherein light diffusing agent is organosilicon light diffusing agent.
Wherein according to parts by weight, initiator includes that following components is made: light trigger 3 parts；Thermal initiator 5 parts.
Wherein coupling agent is silane coupler.
Wherein plant toosedarin is orcin.
Wherein according to parts by weight, auxiliary agent includes that following components is made: plasticizer 0.2 part；Toughener 0.2 part.
Preparation method comprises the steps: 1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes,
Grafting；2) it is cooled to 30 DEG C after stirring, puts into extruder, heating, extrusion, pulverize and obtain preparing the ABS of graft crosslinking agent
Powder；3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder, wheat meal
Stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；4) by step 3) gains continue to be mixed and stirred for uniform
Meanwhile, mixing adds plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract and the limonene of the corresponding parts by weight processed through atomization successively；
5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；6) same at ultra violet lamp 60min
Time, after stirring is cooled to 55 DEG C, by three-dimensional fast shaping technology, add hot-extrudable moulding, vacuum drying, prepare target and produce
Thing.After testing, the flexility of material reaches
82.7Mpa, notch impact strength reach 47.8MJ/m2。
Embodiment 3: a kind of antibacterial type 3D printed product with microcellular structure, includes following components system according to parts by weight
Become: ABS 130 parts；Light diffusing agent 5 parts；Initiator 5 parts；Cross-linking agent 15 parts；Coupling agent 15 parts；Oyster shell powder 20 parts；Bentonite 5
Part；Medical stone powder 3 parts；Walnut shell ultrafine powder 2 parts；Nano-silver ionic 5 parts；Limonene 4 parts；Plant toosedarin 12 parts；Folium Stevlae Rebaudianae
Extract 5 parts；Auxiliary agent 0.3 part.
Wherein light diffusing agent is organosilicon light diffusing agent.
Wherein according to parts by weight, initiator includes that following components is made: thermal initiator 5 parts.
Wherein coupling agent is the mixture of titanate coupling agent and silane coupler, and ratio is 3:2.
Wherein plant toosedarin is Parmelia tinctorum Despr. extract.
Wherein according to parts by weight, auxiliary agent includes that following components is made: plasticizer 0.15 part；Toughener 0.15 part.
Preparation method comprises the steps: 1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes,
Grafting；2) it is cooled to 25 DEG C after stirring, puts into extruder, heating, extrusion, pulverize and obtain preparing the ABS of graft crosslinking agent
Powder；3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder, wheat meal
Stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；4) by step 3) gains continue to be mixed and stirred for uniform
Meanwhile, successively mixing add through atomization process the plant toosedarin of corresponding parts by weight, Stevia rebaudiana (Bertoni) Hemsl extract, limonene and
Nano-silver ionic；5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；6) at ultra violet lamp
While 45min, after stirring is cooled to 52 DEG C, by three-dimensional fast shaping technology, add hot-extrudable moulding, vacuum drying, preparation
Obtain target product.After testing, the flexility of material reaches 83.9Mpa, notch impact strength reaches 48.9MJ/m2。
Embodiment 4: a kind of antibacterial type 3D printed product with microcellular structure, includes following components system according to parts by weight
Become: ABS 125 parts；Light diffusing agent 3 parts；Initiator 3 parts；Cross-linking agent 12 parts；Coupling agent 12 parts；Oyster shell powder 15 parts；Bentonite 4
Part；Medical stone powder 2 parts；Walnut shell ultrafine powder 2 parts；Nano-silver ionic 4 parts；Limonene 2 parts；Plant toosedarin 8 parts；Folium Stevlae Rebaudianae carries
Take thing 4 parts；Auxiliary agent 0.2 part.
Wherein light diffusing agent is organosilicon light diffusing agent.
Wherein according to parts by weight, initiator includes that following components is made: thermal initiator 3 parts.
Wherein coupling agent is titanate coupling agent.
Wherein plant toosedarin is Parmelia tinctorum Despr. extract.
Wherein according to parts by weight, auxiliary agent includes that following components is made: plasticizer 0.1 part；Toughener 0.1 part.
Preparation method comprises the steps: 1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes,
Grafting；2) it is cooled to 25 DEG C after stirring, puts into extruder, heating, extrusion, pulverize and obtain preparing the ABS of graft crosslinking agent
Powder；3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder, wheat meal
Stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；4) by step 3) gains continue to be mixed and stirred for uniform
Meanwhile, successively mixing add through atomization process the plant toosedarin of corresponding parts by weight, Stevia rebaudiana (Bertoni) Hemsl extract, limonene and
Nano-silver ionic；5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；6) at ultra violet lamp
While 40min, after stirring is cooled to 50 DEG C, by three-dimensional fast shaping technology, add hot-extrudable moulding, vacuum drying, preparation
Obtain target product.After testing, the flexility of material reaches 83.2Mpa, notch impact strength reaches 47.9MJ/m2。
Embodiment 5: a kind of antibacterial type 3D printed product with microcellular structure, includes following components system according to parts by weight
Become: ABS 135 parts；Light diffusing agent 6 parts；Initiator 6 parts；Cross-linking agent 18 parts；Coupling agent 18 parts；Oyster shell powder 25 parts；Bentonite 6
Part；Medical stone powder 3 parts；Walnut shell ultrafine powder 3 parts；Nano-silver ionic 6 parts；Limonene 4 parts；Plant toosedarin 16 parts；Folium Stevlae Rebaudianae
Extract 6 parts；Auxiliary agent 0.4 part.
Wherein light diffusing agent is organosilicon light diffusing agent.
Wherein according to parts by weight, initiator includes that following components is made: light trigger 2 parts；Thermal initiator 4 parts.
Wherein coupling agent is the mixture of titanate coupling agent and silane coupler.
Wherein plant toosedarin is orcin.
Wherein according to parts by weight, auxiliary agent includes that following components is made: plasticizer 0.2 part；Toughener 0.2 part.
Preparation method comprises the steps: 1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes,
Grafting；2) it is cooled to 25 DEG C after stirring, puts into extruder, heating, extrusion, pulverize and obtain preparing the ABS of graft crosslinking agent
Powder；3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder, wheat meal
Stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；4) by step 3) gains continue to be mixed and stirred for uniform
Meanwhile, successively mixing add through atomization process the plant toosedarin of corresponding parts by weight, Stevia rebaudiana (Bertoni) Hemsl extract, limonene and
Nano-silver ionic；5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；6) at ultra violet lamp
While 50min, after stirring is cooled to 55 DEG C, by three-dimensional fast shaping technology, add hot-extrudable moulding, vacuum drying, preparation
Obtain target product.After testing, the flexility of material reaches 82.8Mpa, notch impact strength reaches 48.4MJ/m2。
The antibacterial type 3D printed product with microcellular structure that above-described embodiment provides, makes each in last step of overall modelling
Planting and have interest, dicoration and the ornament of adsorption cleaning bacteriostasis efficacy or functional product concurrently, practicality interest has concurrently, from 3D
Printed product aspect, is greatly enlarged the application development space of 3D printed product, and meaning is notable, can widely promote.
More than implementing row and the present invention is not constituted restriction, relevant staff is in the scope without departing from the technology of the present invention thought
In, carried out various changes and modifications, and all falls within protection scope of the present invention.
Claims (9)
1. an antibacterial type 3D printed product with microcellular structure, it is characterised in that include following components according to parts by weight
Make: ABS 120～140 parts；Light diffusing agent 2～8 parts；Initiator 2～8 parts；Cross-linking agent 10～20 parts；Coupling agent 10～20
Part；Oyster shell powder 10～30 parts；Bentonite 2～8 parts；Medical stone powder 1～4 parts；Walnut shell ultrafine powder 1～4 parts；Limonene 1～6
Part；Plant toosedarin 4～20 parts；Stevia rebaudiana (Bertoni) Hemsl extract 2～8 parts；Auxiliary agent 0.2～0.4 part.
The antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that according to weight portion
Number also includes nano-silver ionic 2～8 parts.
The antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that described light spreads
Agent is organosilicon light diffusing agent.
The antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that described initiator
Include that following components is made according to parts by weight: light trigger 1～3 parts；Thermal initiator 1～5 parts.
The antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that described plant gram
Raw element is Parmelia tinctorum Despr. extract.
The antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that described plant gram
Raw element is orcin.
The antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that described auxiliary agent is pressed
Include that following components is made according to parts by weight: plasticizer 0.1～0.2 part；Toughener 0.1～0.2 part.
8. the preparation method of the antibacterial type 3D printed product with microcellular structure as described in claim 1～7, it is characterised in that
Comprise the steps:
1) ABS particle high-temperature is melted, add initiator and cross-linking agent mixes, grafting；
2) it is cooled to 20 DEG C～30 DEG C after stirring, puts into extruder, heating, extrusion, pulverize and obtain preparing graft crosslinking agent
ABS powder；
3) by step 2) the ABS powder that obtains and the oyster shell powder of corresponding parts by weight, bentonite, walnut shell ultrafine powder, wheat meal
Stone powder, coupling agent and auxiliary agent, add hot mixing and high-speed stirred is uniform；
4) by step 3) gains are while continue to be mixed and stirred for uniform, and mixing adds the corresponding weight processed through atomization successively
Plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract and the limonene of amount number；
5) then add the light diffusing agent of corresponding parts by weight, continue to be mixed and stirred for uniformly；
6) while ultra violet lamp 30～60min, after stirring is cooled to 50 DEG C～55 DEG C, by three-dimensional fast shaping skill
Art, adds hot-extrudable moulding, vacuum drying, prepares target product.
The preparation method of the antibacterial type 3D printed product with microcellular structure the most according to claim 1, it is characterised in that
Described step 4) be: by step 3) gains are while continue to be mixed and stirred for uniform, and mixing adds and processes through atomization successively
Plant toosedarin, Stevia rebaudiana (Bertoni) Hemsl extract, limonene and the nano-silver ionic of corresponding parts by weight.
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