CN107418133A - It is a kind of to exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions - Google Patents
It is a kind of to exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions Download PDFInfo
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- CN107418133A CN107418133A CN201710760572.3A CN201710760572A CN107418133A CN 107418133 A CN107418133 A CN 107418133A CN 201710760572 A CN201710760572 A CN 201710760572A CN 107418133 A CN107418133 A CN 107418133A
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- B33—ADDITIVE MANUFACTURING TECHNOLOGY
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Abstract
The present invention relates to polymer modification and wire rod extrusion field.Purpose be to provide a kind of durable antibacterial effect, consumptive material dimensionally stable exempt from spray 3D printing consumptive material and preparation method thereof.The technical scheme of use is:It is a kind of to exempt to spray 3D printing consumptive material and preparation method thereof, including following components in percentage by weight with antibacterial functions:Resin 80~95%, antiseptic 0.5~5%, modifying agent 1.0~10%, pearlescent pigment 0.3~3%, composite antioxidant 0.1~1%, dispersant 0.1~1%.Good anti-bacterial effect of the present invention and persistently, dimensional stability is high, and the pearl effect of product is good, can be widely applied to various fusion sediment formula 3D printing equipment.
Description
Technical field
The invention belongs to polymer modification and wire rod extruding technology field, and in particular to a kind of with antibacterial functions
Exempt to spray 3D printing consumptive material and preparation method thereof.
Background technology
In recent years, 3D printing technique has welcome development rapidly finally after it have passed through very long warming up period, and is expected to draw
The third time industrial revolution is led, the following small lot that develops into of this technology with the manufacturing mode of personalization establish by this development trend
Solid foundation.Meanwhile local government has also put into effect the support policy for supporting 3D printing industry development in succession.The whole nation two in 2015
Understand early stage, Ministry of Industry and Information formally issues《National increasing material manufacturing industry development promotes plan (2015-2016)》, in such policy
Under guiding, China progressively establishes more perfect increasing material manufacturing industrial system.With the continuous innovation of key technology, technique
Horizontal continuous improvement, following 3D printing industry will welcome more wide development space.
Fused glass pellet technique (FDM) is a kind of 3D printing skill to grow up after LOM techniques and SLA techniques
Art.FDM forming techniques have that operating procedure is simple, cost is low, utilization rate of raw materials is high, product size precision is higher, surface matter
Amount preferably, the advantages that being easily assembled, in fields such as family DIY, intention DIY, handicraft, toys increasingly by the green grass or young crops of people
Look at.As 3D printing technique is more and more closed in the application and rise of civil area, the security performance of its printed product
Note.And key link of the printing consumables as the technology, its quality, security and cost, which turn into, influences technology application and development
An important factor for.
The content of the invention
It is an object of the invention to provide a kind of durable antibacterial effect, consumptive material dimensionally stable exempt from spray 3D printing consumptive material and its
Preparation method.
For achieving the above object, the technical solution adopted in the present invention is:It is a kind of to exempt to spray with antibacterial functions
3D printing consumptive material and preparation method thereof, including following components in percentage by weight:Resin 80~95%, antiseptic 0.5~5%,
Modifying agent 1.0~10%, pearlescent pigment 0.3~3%, composite antioxidant 0.1~1%, dispersant 0.1~1%.
Preferably:Described printing consumables is all higher than 99%, wire rod to the antibiotic rate of Escherichia coli, staphylococcus aureus
Diameter tolerance is less than 0.05 ㎜ no more than ± 0.03 ㎜, out-of-roundness.
Preferably:Described resin is acrylonitrile-butadiene-styrene copolymer, acrylonitrile-acrylate-styrene
Copolymer, polyhydroxyalkanoate, poly-succinic fourth diester, PLA, polycaprolactone, polyamide, poly terephthalic acid second two
One or more in alcohol ester and thermoplastic polyester are mixed with arbitrary proportion.
Preferably:Described antiseptic is nano zine oxide, nano titanium oxide, Nano Silver, nano aluminium oxide and carries silver
One or more in nano-oxide are mixed with arbitrary proportion, and the antiseptic particle diameter used is 10~100nm.This kind of inorganic gold
Metal nanometer material has the characteristics such as antibacterial, high activity, adds such antiseptic, and high polymer material and its product can be made to obtain antibacterial
Function.
Preferably:Described modifying agent is glass microballoon, wollastonite, talcum powder, calcium carbonate, barium sulfate, magnesium sulfate, cloud
In the inorganic powders such as mother, carborundum or whisker one or more mixed with arbitrary proportion, the modifier powder particle diameter of use or
Whisker length is 10~100 μm, and the draw ratio of whisker length is 10~1000:1.
Preferably:Described pearlescent pigment is the mica powder of coated by titanium dioxide, and pearlescent pigment particle diameter is 20~50 μm.
Preferably:Described composite antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
Ester and three [2.4- di-tert-butyl-phenyls] phosphite esters are 1 in mass ratio:1~2:1 ratio is mixed.
Preferably:Described dispersant be stearic acid, stearate, in vinyl bis-stearamides it is one or more of with
Arbitrary proportion mixes.
Preferably:Described preparation method comprises the following steps:
A, each material is weighed by weight percentage, and antiseptic, modifying agent, pearlescent pigment, antioxidant and dispersant are put into
2~5min is premixed in high-speed mixer, premix rotating speed is 500~1000r/min, resin is then added, in 1000~1500r/
3~10min is mixed under min rotating speed;
B, the material mixed in step A is put into parallel double-screw extruder, melted at 130~260 DEG C
Extrusion, the pelletizing after material cooling;
C, the particle after pelletizing in step B is put into vacuum drying chamber, 2~10h is dried in vacuo at 50~100 DEG C;
D, dried particle in step C is put into single screw rod wire rod extruder, the melting extrusion at 130~260 DEG C,
Produce.
Preferably:Described pelletizing uses the fervent system of die face, using underwater cutpellet, die face Water-circulating thermal cutting or die face vane
One kind in earnestly;Described parallel Twin screw extruder includes the structure of two sections of vacuum suctions.
Preferably:In described step C, the particle weight being put into vacuum drying chamber is no more than the 90% of its dischargeable capacity.
Preferably:In described step D, single screw rod draw ratio is not more than 32:1.
The invention has the advantages that:Good anti-bacterial effect and lasting, dimensional stability height, the pearl effect of product
It is good, can be widely applied to various fusion sediment formula 3D printing equipment, product of the invention by fusion sediment formula 3D printing equipment,
It can print and exempt from the effect of spraying, the handicraft of long-term bacteria resistance function, model, toy etc. with pearly-lustre.Specifically, this hair
In the raw material of bright consumptive material, antiseptic, modifying agent and other auxiliary agents are with the addition of, make product that there is lasting antibacterial effect, to operation
Person provides a safe and healthy operating environment, also provides a durable antibiotic, health pleasant contact to long-term use of person
Environment, especially in fields such as family DIY, intention DIY, handicraft, toys, its user is mostly young child, to bacterium,
The resistance of germ etc. is not strong, and the sustained anti-microbial of this 3D printing product is highly desirable to.Meanwhile the present invention improves consumptive material
The stability of size, there is bright pearl effect, improve the yield rate and aesthetic property of product, before there is wide market
Scape.
Embodiment
Lower mask body provides preferred embodiment so that those skilled in the art more understand technical scheme and
Effect.
Embodiment 1
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm of glass to weigh the nano zine oxide 3%, particle diameter that particle diameter is 10~100nm by weight percentage
Microballon 5%, particle diameter are 20~50 μm of pearlescent pigments 1.1%, composite antioxidant 0.3% and zinc stearate 0.2%, wherein, it is compound
Antioxidant is sub- by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyl-phenyls]
Phosphate is 1 in mass ratio:1 ratio is mixed.These materials are put into high-speed mixer and premix 3min, premix rotating speed
For 800r/min.It is 90.4% acrylonitrile-butadiene-styrol copolymer to add percentage by weight, 1200r/min's
5min is mixed under rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 190~220 DEG C
And double vacuum suctions are opened, natural cooling is then placed, pelletizing is carried out using the fervent technique of die face vane.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 4h is dried under the conditions of 80 DEG C.
D, it is 28 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 180~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 210 DEG C.
Embodiment 2
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm to weigh nano zine oxide 4.5%, the particle diameter for taking particle diameter to be 10~100nm by weight percentage
Glass microballoon 5%, particle diameter are 20~50 μm of pearlescent pigments 1.1%, composite antioxidant 0.3% and zinc stearate 0.2%, wherein,
Composite antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyls
Base] phosphite ester in mass ratio be 1.2:1 ratio is mixed.These materials are put into high-speed mixer and premix 5min,
Premix rotating speed is 1000r/min.It is 88.9% acrylonitrile-butadiene-styrol copolymer to add percentage by weight,
5min is mixed under 1500r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 190~220 DEG C,
Then natural cooling is placed, pelletizing is carried out using the fervent technique of die face vane.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 4h is dried under the conditions of 80 DEG C.
D, it is 28 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 180~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 210 DEG C.
Embodiment 3
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm of glass to weigh nano zine oxide 5%, the particle diameter for taking particle diameter to be 10~100nm by weight percentage
Glass microballon 3%, particle diameter are 20~50 μm of pearlescent pigments 1.6%, composite antioxidant 0.3% and zinc stearate 0.2%, wherein, it is multiple
Antioxidant is closed by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyl-phenyls]
Phosphite ester is 1.8 in mass ratio:1 ratio is mixed.These materials are put into high-speed mixer and premix 3min, are premixed
Rotating speed is 700r/min.It is 89.9% acrylonitrile-butadiene-styrol copolymer to add percentage by weight, in 1400r/
5min is mixed under min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 190~220 DEG C,
Then natural cooling is placed, pelletizing is carried out using the fervent technique of die face vane.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 4h is dried under the conditions of 80 DEG C.
D, it is 28 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 180~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 210 DEG C.
Embodiment 4
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm of glass to weigh nano zine oxide 3%, the particle diameter for taking particle diameter to be 10~100nm by weight percentage
Glass microballon 5%, particle diameter are 20~50 μm of pearlescent pigments 1.1%, composite antioxidant 0.3% and zinc stearate 0.2%, wherein, it is multiple
Antioxidant is closed by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyl-phenyls]
Phosphite ester is 1.5 in mass ratio:1 ratio is mixed.These materials are put into high-speed mixer and premix 5min, are premixed
Rotating speed is 800r/min.It is 90.4% PLA to add percentage by weight, and 5min is mixed under 1200r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 190~220 DEG C,
Then natural cooling is placed, pelletizing is carried out using the fervent technique of die face vane.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 4h is dried under the conditions of 80 DEG C.
D, it is 28 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 180~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 210 DEG C.
Embodiment 5
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm of glass to weigh nano zine oxide 5%, the particle diameter for taking particle diameter to be 10~100nm by weight percentage
Glass microballon 3%, particle diameter are 20~50 μm of pearlescent pigments 1.6%, composite antioxidant 0.3% and zinc stearate 0.2%, wherein, it is multiple
Antioxidant is closed by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyl-phenyls]
Phosphite ester is 2 in mass ratio:1 ratio is mixed.These materials are put into high-speed mixer and premix 3min, premix turns
Speed is 500r/min.It is 89.9% PLA to add percentage by weight, and 5min is mixed under 1500r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 190~220 DEG C,
Then natural cooling is placed, pelletizing is carried out using the fervent technique of die face vane.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 4h is dried under the conditions of 80 DEG C.
D, it is 28 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 180~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 210 DEG C.
Embodiment 6
Described 3D printing consumptive material is prepared according to the following steps:
A, nano titanium oxide 0.5%, Nano Silver 0.5%, the particle diameter that particle diameter is 10~100nm are weighed by weight percentage
It is 20~50 μm of pearlescent pigments 3%, composite antioxidant 0.1% and stearic acid 1% for 10~100 μm of wollastonites 1%, particle diameter, its
In, composite antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-t-butyls
Phenyl] phosphite ester in mass ratio be 1:1 ratio is mixed.These materials are put into high-speed mixer and premix 2min,
Premix rotating speed is 800r/min.It is 93.9% AAS acrylonitrile acryloid styrene to add percentage by weight,
10min is mixed under 1200r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 130~180 DEG C,
Then natural cooling is placed, pelletizing is carried out using the technique of underwater cutpellet.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 10h is dried under the conditions of 50 DEG C.
D, it is 20 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 220~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 260 DEG C.
Embodiment 7
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm of talcum powder to weigh the Nano Silver 2.5%, particle diameter that particle diameter is 10~100nm by weight percentage
10%th, particle diameter is 20~50 μm of pearlescent pigments 0.3%, composite antioxidant 0.1% and calcium stearate 0.1%, wherein, compound antioxygen
Agent is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyl-phenyls] phosphorous acid
Ester is 2 in mass ratio:1 ratio is mixed.These materials are put into high-speed mixer and premix 4min, premix rotating speed is
1000r/min.It is 87% polyhydroxyalkanoate to add percentage by weight, and 3min is mixed under 1000r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 150~180 DEG C,
Then natural cooling is placed, pelletizing is carried out using the technique of die face Water-circulating thermal cutting.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 2h is dried under the conditions of 60 DEG C.
D, it is 12 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 150~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 190 DEG C.
Embodiment 8
Described 3D printing consumptive material is prepared according to the following steps:
A, weighing nano aluminium oxide 2%, nano zine oxide 2%, particle diameter that particle diameter is 10~100nm by weight percentage is
10~100 μm of barium sulfate 8%, particle diameter are 20~50 μm of pearlescent pigments 2%, composite antioxidant 0.5% and vinyl stearic bicine diester
Amine 0.5%, wherein, composite antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three
[2.4- di-tert-butyl-phenyls] phosphite ester is that mass ratio is 2 in mass ratio:1 ratio is mixed.These materials are put into
4min is premixed in high-speed mixer, premix rotating speed is 1000r/min.It is 85% poly-succinic fourth two to add percentage by weight
Ester, 4min is mixed under 600r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 130~180 DEG C,
Then natural cooling is placed, pelletizing is carried out using the technique of die face Water-circulating thermal cutting.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 8h is dried under the conditions of 70 DEG C.
D, it is 20 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 130~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 170 DEG C.
Embodiment 9
Described 3D printing consumptive material is prepared according to the following steps:
A, it is 10~100 μm to weigh silver-carrying nano oxide 2%, particle diameter that particle diameter is 10~100nm by weight percentage
Mica 6%, particle diameter are 20~50 μm of pearlescent pigments 2.5%, composite antioxidant 0.8% and barium stearate 0.8%, wherein, it is compound
Antioxidant is sub- by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- di-tert-butyl-phenyls]
Phosphate is 2 in mass ratio:1 ratio is mixed.These materials are put into high-speed mixer and premix 4min, premix rotating speed
For 1000r/min.It is 87.9% polyamide to add percentage by weight, and 4min is mixed under 600r/min rotating speed.
B, the material mixed in step A is put into parallel double-screw extruder, the melting extrusion at 200~260 DEG C,
Then natural cooling is placed, pelletizing is carried out using the technique of underwater cutpellet.
C, the particle obtained in step B is put into vacuum drying chamber, the amount of being put into is no more than drying box dischargeable capacity
90%, 4h is dried under the conditions of 90 DEG C.
D, it is 12 by dried particle input fineness ratio in step C:In 1 single screw rod wire rod extruder, 220~
A diameter of 1.75 ㎜ of melting extrusion consumptive material, is produced at 260 DEG C.
Comparative example 1
3D printing consumptive material as a comparison case 1 is prepared according to the following steps:
Resin raw material acrylonitrile-butadiene-styrol copolymer is weighed, direct plunges into draw ratio as 28:1 single screw rod
In wire rod extruder, a diameter of 1.75mm of melting extrusion consumptive material is carried out at 180-220 DEG C.
Comparative example 2
3D printing consumptive material as a comparison case 2 is prepared according to the following steps:
Resin raw material PLA is weighed, direct plunges into draw ratio as 28:In 1 single screw rod wire rod extruder, in 180-220
The a diameter of 1.75mm of melting extrusion consumptive material is carried out at DEG C.
Comparative example 3
3D printing consumptive material as a comparison case 3 is prepared according to the following steps:
First, 90 parts of PLAs are weighed in mass ratio to be dissolved in the dichloroethanes that mass concentration is 5%, are then added
0.5 part of average diameter 50nm, the nano silver wire that 212 μm of average length, stirs, and adds 0.05 part of coupling agent KH550, super
Stirred 30 minutes~1 hour under sound wave effect, then evaporation of dichloroethane, thickness is dried to by residue in vacuum drying chamber
Flake no more than 5mm, cool down, crush after drying.
It is sweet that 0.2 part of Research of Grafting Malaic Anhydride Onto Polyethylene, 1 part of styrene-acrylonitrile-Glycidyl methacrylate are weighed in mass ratio
Grease terpolymer, 0.2 part of four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.4 part three
[2.4- di-tert-butyl-phenyls] phosphite ester, 2 parts of transparent butylbenzene anti-impact resins, 0.2 part of ethylene bis stearamide, 0.3 part of oxidation
Tissuemat E, 0.2 part of decanedioic acid dibenzoyl hydrazine, 1 part of nano silicon and 0.5 part of polyethylene glycol oxide, prepared with upper step
Comminuting matter mixes, and is added in high-speed mixer, mixed at high speed is added mixture in screw extruder after 1 minute and melted
It is kneaded, tank cooling, pulls into diameter of phi 1.75mm strand, used for fusion sediment 3D printer.Used screw extruder
Screw slenderness ratio be 32~40, screw combinations be moderate shear rate combinations mode, and temperature is 140~190 DEG C.
Product checking
Antibiotic rate, xenon lamp accelerated ageing, acid & alkali liquid leaching are carried out to consumable product made from the various embodiments described above and comparative example
Bacteriostasis rate, diameter tolerance and out-of-roundness after bubble etc. are tested.Wherein, the test of antibiotic rate is according to national standard QB/T2591-
Carried out as defined in 2003;The experimental period of xenon lamp accelerated ageing is 1200h;Bacteriostasis rate test after acid & alkali liquid immersion is to make respectively
The weakly alkaline washing agent aqueous solution soaking consumable product that the faintly acid water-detergent solution and pH value that are 5~6 with pH value are 8~9,
Soak time is 6 months, and immersion carries out the test of anti-microbial property again after terminating.The test result number of each embodiment and comparative example
According to as shown in table 1:
The material product anti-microbial property table of the embodiment of table 1 and comparative example
EC in table 1 is Escherichia coli, and SA is staphylococcus aureus.
From table 1, consumable product good anti-bacterial effect produced by the invention, and persistence is strong, is soaked by acid & alkali liquid
After six months, still possess excellent antibacterial effect, safe and healthy contact ring can be provided for the user of 3D printing product
Border.Meanwhile the dimensional stability of consumptive material of the present invention is strong, aesthetics is high, the precision of printing product is improved, it can be ensured that production
Product meets former design, high yield rate.
Various embodiments of the present invention and comparative example 3 are carried out with material property detection, detection content includes impact flexibility, stretching by force
Degree, bending strength and bending modulus.Testing result is as shown in table 2:
The material product performance table of the embodiment of table 2 and comparative example
Detection | Impact strength (KJ/m2) | Tensile strength (MPa) | Bending strength (MPa) | Bending modulus (MPa) |
Examination criteria | ISO 179-1:2010 | ISO 527-2:2012 | ISO 178:2010 | ISO 178:2010 |
Embodiment 1 | 12.5 | 53.6 | 76.5 | 2754 |
Embodiment 2 | 11.8 | 52.9 | 75.3 | 2690 |
Embodiment 3 | 12.3 | 54.5 | 78.2 | 2820 |
Embodiment 4 | 1.2 | 45.3 | 62.3 | 1542 |
Embodiment 5 | 1.1 | 44.6 | 65.1 | 1635 |
Embodiment 6 | 13.2 | 57.5 | 74.6 | 2620 |
Embodiment 7 | 0.9 | 37.2 | 54.6 | 1574 |
Embodiment 8 | 30.1 | 35.2 | 48.6 | 1360 |
Embodiment 9 | 4.5 | 75.3 | 110.2 | 2753 |
Comparative example 3 | 1.2 | 45.5 | 56.4 | 1325 |
From table 2, consumptive material excellent combination property produced by the invention, structural strength is high, to improve product anti-microbial property
And the material added does not have an impact the mechanical property of product, product of the present invention has good impact flexibility and high intensity, height
Modulus.
Above example is that the principle and embodiment of the present invention are set forth using specific case, is only intended to help
One of ordinary skill in the art is helped to understand the method and its core concept of the present invention.Those skilled in the art obviously may be used
Easily to make various modifications to these implementations, and General Principle described herein be applied in other embodiment without
By performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art to take off according to the present invention's
Show, the improvement and modification made for the present invention all should be within protection scope of the present invention.
Claims (10)
1. a kind of exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, it is characterised in that:Including following weight
The component of percentage:It is resin 80~95%, antiseptic 0.5~5%, modifying agent 1.0~10%, pearlescent pigment 0.3~3%, multiple
Close antioxidant 0.1~1%, dispersant 0.1~1%.
2. according to claim 1 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:The resin is acrylonitrile-butadiene-styrene copolymer, AAS acrylonitrile acryloid styrene, poly- hydroxyl fat
Fat acid esters, poly-succinic fourth diester, PLA, polycaprolactone, polyamide, polyethylene terephthalate and thermoplastic polyester
In one or more mixed with arbitrary proportion.
3. according to claim 1 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:Described antiseptic is in nano zine oxide, nano titanium oxide, Nano Silver, nano aluminium oxide and silver-carrying nano oxide
One or more mixed with arbitrary proportion, the antiseptic particle diameter used is 10~100nm.
4. according to claim 1 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:Described modifying agent is glass microballoon, wollastonite, talcum powder, calcium carbonate, barium sulfate, magnesium sulfate, mica, carborundum or crystalline substance
One or more in palpus are mixed with arbitrary proportion, and the modifier powder particle diameter or whisker length used is 10~100 μm, whisker
The draw ratio of particle is 10~1000:1.
5. according to claim 1 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:Described pearlescent pigment is the mica powder of coated by titanium dioxide, and pearlescent pigment particle diameter is 20~50 μm.
6. according to claim 1 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:Described composite antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three [2.4- bis-
Tert-butyl-phenyl] phosphite ester in mass ratio be 1:1~2:1 ratio is mixed.
7. according to claim 1 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:Described dispersant is that the one or more in stearic acid, stearate, vinyl bis-stearamides are mixed with arbitrary proportion
Close.
8. exempt from spraying 3D printing consumptive material and its preparation with antibacterial functions according to any one in claim 1 to 7
Method, it is characterised in that:Described mining water shutoff material is prepared according to the following steps:Described preparation method comprises the following steps:
A, each material is weighed by weight percentage, and antiseptic, modifying agent, pearlescent pigment, antioxidant and dispersant are put at a high speed
2~5min is premixed in mixer, premix rotating speed is 500~1000r/min, resin is then added, 1000~1500r/min's
3~10min is mixed under rotating speed;
B, the material mixed in step A is put into parallel double-screw extruder, melting extrusion is carried out at 130~260 DEG C,
The pelletizing after material cooling;
C, the particle after pelletizing in step B is put into vacuum drying chamber, 2~10h is dried in vacuo at 50~100 DEG C;
D, dried particle in step C is put into single screw rod wire rod extruder, the melting extrusion at 130~260 DEG C, i.e.,
.
9. according to claim 8 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:In described step C, the particle weight being put into vacuum drying chamber is no more than the 90% of its dischargeable capacity.
10. according to claim 8 exempt from spraying 3D printing consumptive material and preparation method thereof with antibacterial functions, its feature exists
In:In described step D, single screw rod draw ratio is not more than 32:1.
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