CN109054275A - A kind of polystyrene/graphene 3D printing wire rod and preparation method thereof - Google Patents
A kind of polystyrene/graphene 3D printing wire rod and preparation method thereof Download PDFInfo
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- CN109054275A CN109054275A CN201810702532.8A CN201810702532A CN109054275A CN 109054275 A CN109054275 A CN 109054275A CN 201810702532 A CN201810702532 A CN 201810702532A CN 109054275 A CN109054275 A CN 109054275A
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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
- C08L51/04—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 grafted on to rubbers
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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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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Chemical Kinetics & Catalysis (AREA)
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- Medicinal Chemistry (AREA)
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Abstract
The invention discloses a kind of polystyrene/graphene 3D printing wire rods and preparation method thereof, are grouped as by the group of following parts by weight: 60-79 parts of high impact polystyrene, 10-30 parts of polyphenylene oxide, 4-10 parts of toughener, 0.1-10 parts of graphene, 0.1-0.5 parts of coupling agent.The present invention has screened polystyrene by many experiments, polystyrene light weight, it is high to print fineness, but the intensity of polystyrene is low, poor heat resistance, without electric conductivity, heating conduction limits the application of polystyrene, addition polyphenylene oxide can effectively improve the heat-resistant stability and intensity of polystyrene material, addition graphene imparts polystyrene conductive and heating conduction again, the internal heat transmitting between printing shaping process can effectively improve, it is possible to reduce the cracking phenomena as caused by product non-uniform temperature；There is preferable printing fineness for main base wire rod provided by the invention due to using polystyrene, it is smooth, uniform that spray head spits stream.
Description
Technical field
The present invention relates to the preparation field of 3D printing material, it particularly relates to it is a kind of have high rigidity-toughness balanced, it is heat-resisting,
Low warpage, crack resistence, conduction and polystyrene/graphene 3D printing wire rod of heating conduction and preparation method thereof.
Background technique
3D printing (increasing material manufacturing) technology is one of most representative technology of the third time industrial revolution, will push entire society
The industry transformation of meeting.Currently, fused glass pellet (FDM) 3D printing technique is most popular 3D printing technique, but 3D printing material
The exploitation of material limits the development of related industry.
When polystyrene is as 3D printing materials'use, have the characteristics that low in cost, printing fineness is high.Chinese patent
HIPS is added environmental-friendly pigment, auxiliary agent and 3D printing material is made by CN104744869A, the low strength of the patent resulting materials, tough
Property it is poor, heat resistance is bad, and do not have conductive, heating conduction.Chinese patent CN106905628A by polystyrene, fill out
Material, toughener, antioxidant etc. squeeze out to obtain the preferable 3D printing polystyrene material of toughness through double screw extruder after being blended, but
The material there are still low strength, heat resistance is lower the disadvantages of, and do not have conductive and heating conduction.Graphene and polyphenyl second
Alkene compatibility is good, can assign that high molecular material is conductive, thermally conductive and higher mechanical performance, and to assign graphene excellent for polystyrene
Good molding and print performance, therefore graphene and the compound preparation 3D printing material of polystyrene are had into unique advantage.In
State patent CN105504565A is prepared for 3D printing material for modified graphene and polystyrene are compound, but obtained by the patent
The low strength of material, toughness are poor, heat resistance is not good enough, creep resistance is poor, poor corrosion resistance.
Rigidity is big, heat resistance is good, solvent resistant corrosive nature is good, creep-resistant property is good due to it for polyphenylene oxide, can with it is poly-
The advantages that styrene is infinitely compatible, can be improved intensity, the performances such as heat-resisting of polystyrene, and Chinese patent CN10604674A is public
A kind of printed material that 3D is prepared by tri- kinds of polyphenylene oxide, ABS, HIPS material blending extrusions has been opened, but has been beaten by the 3D printing material
The disadvantages of warpage, cracking, easily occurs for the product of print, and does not have conductive and heating conduction.
Summary of the invention
Present invention aims to overcome that the deficiencies in the prior art, the present invention provides a kind of polystyrene/graphene
3D printing wire rod and preparation method thereof.
The present invention realizes that above-mentioned purpose technical solution is:
A kind of polystyrene/graphene 3D printing wire rod, is grouped as by the group of following parts by weight:
60-79 parts of high impact polystyrene (HIPS), 10-30 parts of polyphenylene oxide (PPO), 4-10 parts of toughener, graphene
0.1-10 parts, 0.1-0.5 parts of coupling agent；
Preferably, in above-mentioned polystyrene/graphene 3D printing wire rod, the weight of the high impact polystyrene
Average molecular weight >=100000, molecular weight distribution≤2.5, melt index 3.5-6.5g/10min, 200 DEG C/5Kg.Optimal height
Weight average molecular weight >=200000 of impact-resistant polystyrene, molecular weight distribution≤2.2, melt index 5g/10min, 200 DEG C/
5Kg.The weight average molecular weight and molecular weight distribution for controlling HIPS, can achieve preferable 3D printing performance；Control the molten of HIPS
Melt index, its processing and printing stability can be improved.
Preferably, the intrinsic viscosity is in above-mentioned polystyrene/graphene 3D printing wire rod
35-50, weight average molecular weight 40000-50000, melt index 2-13g/10min, 280 DEG C/5Kg.The spy of optimal polyphenylene oxide
Property viscosity be 45-50, weight average molecular weight 22000-57000, melt index 4-6g/10min, 280 DEG C/5Kg.Control PPO's
Weight average molecular weight can make it be more suitable for 3D printing；The melt index and inherent viscosity for controlling PPO can improve its processing and printing
Stability.
Preferably, the toughener is POE, is grafted in above-mentioned polystyrene/graphene 3D printing wire rod
At least one of POE, EPDM, PBE, SEBS, SBS, SIS, SEPS, SOE, TPO, TPE.Toughener is for improving the tough of material
Property, optimal toughener is SEBS or SBS.
Preferably, the graphene is that carbon content exists in above-mentioned polystyrene/graphene 3D printing wire rod
99% or more high purity graphite alkene, or by oxygen atom, nitrogen-atoms modified contain epoxy group, hydroxyl, carboxyl, ammonia
The graphene of at least one of base, alkyl group.The electrical and thermal conductivity performance of high purity graphite alkene material is excellent, to modified polyphenyl second
The conduction of alkene and the raising of heating conduction are more advantageous.
Preferably, the coupling agent is 3- triethoxy in above-mentioned polystyrene/graphene 3D printing wire rod
Silicyl -1- propylamine, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy
Silane, N- (mono- aminoethyl of β)-γ-aminopropyl front three (second) oxysilane, N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxy
Base silane, vinyltriethoxysilane, vinyltriacetoxy silane, vinyltrimethoxysilane, phenyl trimethoxy
Base silane, phenyl isocyanate, aluminate coupling agent, titante coupling agent, zirconium ester coupling agent, in boric acid ester coupler
It is at least one.
The preparation method of above-mentioned polystyrene/graphene 3D printing wire rod, includes the following steps:
Step 1: weighing high impact polystyrene (HIPS), polyphenylene oxide and toughener according to the ratio, three kinds of component machinery are mixed
It is squeezed out after closing uniformly by double screw extruder, through room temperature cooling, air-dries, pelletizing, modified high impact resistant polystyrene is made
(HIPS) pellet；
Step 2: (HIPS) pellet of modified high impact resistant polystyrene made from step 1 is mixed with coupling agent, graphene
It is squeezed out after even by double screw extruder, through room temperature cooling, is air-dried, pelletizing, the modified HIPS pellet of graphene is made；
Step 3: graphene modified high impact resistant polystyrene (HIPS) pellet being squeezed out by 3D printing material extruder, is passed through
High temperature constant temperature cooling, room temperature cooling, air-dries, tie rod, coiling the cooling of medium temperature constant temperature, and polystyrene/graphene 3D printing line is made
Material.
In the step 1, the processing temperature of double screw extruder is 220-280 DEG C；
In the step 2, the processing temperature of 3D printing material extruder is 200-260 DEG C, and high temperature constant temperature cooling temperature is
20-70 DEG C, medium temperature constant temperature is cooled to 20-50 DEG C.
Compared with prior art, the invention has the following beneficial effects:
There are many high molecular material, but are suitable for the material of 3D printing and few.The present invention is screened by many experiments
Polystyrene, polystyrene light weight, printing fineness is high, but the intensity of polystyrene is low, poor heat resistance, no electric conductivity,
Heating conduction limits the application of polystyrene, and addition polyphenylene oxide can effectively improve the heat-resistant stability of polystyrene material
And intensity, addition graphene impart polystyrene conductive and heating conduction again；Since the addition of graphene imparts polyphenyl second
The excellent heating conduction of alkene, the internal heat transmitting between printing shaping process can effectively improve, it is possible to reduce due to product
Cracking phenomena caused by non-uniform temperature；Have preferably due to using polystyrene for main base wire rod provided by the invention
Printing fineness, it is smooth, uniformly that spray head spits stream.
Specific embodiment
Parts by weight hereinafter can indicate the unit dosage of this field routine, such as kilogram, gram, and what can also be indicated is
Ratio between each component, such as quality or weight ratio.
There is high rigidity-toughness balanced, heat-resisting, conductive and heating conduction polyphenyl to above-mentioned below in conjunction with particular preferred embodiment
Ethylene/graphene 3D printing wire rod is described in detail.
Embodiment 1:
Step S11: 1 kilogram of polyphenylene oxide (inherent viscosity is weighed by the component proportion of polystyrene/graphene 3D printing wire rod
46cst, melt index 4g/10min (280 DEG C/5Kg)), 2.5 kilograms of HIPS (weight average molecular weight 220000-250000, molecular weight
Distribution 2.2, melt index be 5g/10min (200 DEG C/5Kg)), 0.3 kilogram of SEBS, 0.015 kilogram of silane coupling agent, 0.3 thousand
Gram graphene is squeezed out by double screw extruder after mixing, through room temperature cooling, air-dry, pelletizing, and it is modified that graphene is made
Pellet；
Step S12: the modified pellet of graphene made from step S11 is squeezed out by 3D printing material extruder, squeezes out temperature
Degree is 260 DEG C, through 70 DEG C of high temperature constant temperature coolings, 70 DEG C of medium temperature constant temperature coolings, room temperature cooling, air-dries, tie rod, coiling, is made poly-
Styrene/graphene 3D printing wire rod.
Embodiment 2:
Step S21: weighing 0.3 kilogram of polyphenylene oxide by the component proportion of polystyrene/graphene 3D printing wire rod, (characteristic is viscous
Degree 47, melt index 6g/10min (280 DEG C/5Kg)), 2.25 kilograms of HIPS (weight average molecular weight 220000-250000, molecular weight
Distribution 2.2, melt index be 5g/10min (200 DEG C/5Kg)), 0.28 kilogram of SBS, 0.003 kilogram of silane coupling agent, 0.003
Kilogram graphene is squeezed out by double screw extruder after mixing, through room temperature cooling, air-dries, pelletizing, it is modified that graphene is made
Pellet；
Step S22: the modified pellet of graphene made from step S11 is squeezed out by 3D printing material extruder, squeezes out temperature
Degree is 240 DEG C, through 70 DEG C of high temperature constant temperature coolings, 60 DEG C of medium temperature constant temperature coolings, room temperature cooling, air-dries, tie rod, coiling, is made poly-
Styrene/graphene 3D printing wire rod.
Embodiment 3:
Step S31: weighing 0.3 kilogram of polyphenylene oxide by the component proportion of polystyrene/graphene 3D printing wire rod, (characteristic is viscous
Degree 48, melt index 6g/10min (280 DEG C/5Kg)), 2.3 kilograms of HIPS (weight average molecular weight 250000-280000, molecular weight
Distribution 2.2, melt index be 6g/10min (200 DEG C/5Kg)), 0.3 kilogram of SIS, 0.006 kilogram of silane coupling agent, 0.06 thousand
Gram graphene is squeezed out by double screw extruder after mixing, through room temperature cooling, air-dry, pelletizing, and it is modified that graphene is made
Pellet；
Step S32: the modified pellet of graphene made from step S31 is squeezed out by 3D printing material extruder, is squeezed out
Temperature is 240 DEG C, through 50 DEG C of high temperature constant temperature coolings, 40 DEG C of medium temperature constant temperature coolings, room temperature cooling, air-dries, tie rod, coiling, is made
Polystyrene/graphene 3D printing wire rod.
Embodiment 4:
Step S41: weighing 0.4 kilogram of polyphenylene oxide by the component proportion of polystyrene/graphene 3D printing wire rod, (characteristic is viscous
Degree 47, melt index 6g/10min (280 DEG C/5Kg)), 2.3 kilograms of HIPS (weight average molecular weight 250000-280000, molecular weight
Distribution 2.2, melt index be 6g/10min (200 DEG C/5Kg)), 0.3 kilogram of SEBS, 0.01 kilogram of silane coupling agent, 0.12 thousand
Gram graphene is squeezed out by double screw extruder after mixing, through room temperature cooling, air-dry, pelletizing, and it is modified that graphene is made
Pellet；
Step S42: the modified pellet of graphene made from step S41 is squeezed out by 3D printing material extruder, is squeezed out
Temperature is 250 DEG C, through 50 DEG C of high temperature constant temperature coolings, 40 DEG C of medium temperature constant temperature coolings, room temperature cooling, air-dries, tie rod, coiling, is made
Polystyrene/graphene 3D printing wire rod.
Embodiment 5:
Step S51: weighing 0.6 kilogram of polyphenylene oxide by the component proportion of polystyrene/graphene 3D printing wire rod, (characteristic is viscous
Degree 47, melt index 6g/10min (280 DEG C/5Kg)), 2.3 kilograms of HIPS (weight average molecular weight 280000-300000, molecular weight
Distribution 2.2, melt index be 6g/10min (200 DEG C/5Kg)), 0.20 kilogram of SBS, 0.005 kilogram of silane coupling agent, 0.021
Kilogram graphene is squeezed out by double screw extruder after mixing, through room temperature cooling, air-dries, pelletizing, it is modified that graphene is made
Pellet；
Step S52: the modified pellet of graphene made from step S51 is squeezed out by 3D printing material extruder, is squeezed out
Temperature is 250 DEG C, through 50 DEG C of high temperature constant temperature coolings, 45 DEG C of medium temperature constant temperature coolings, room temperature cooling, air-dries, tie rod, coiling, is made
Polystyrene/graphene 3D printing wire rod.
Embodiment 6:
Step S61: weighing 0.5 kilogram of polyphenylene oxide by the component proportion of polystyrene/graphene 3D printing wire rod, (characteristic is viscous
Degree 46, melt index 5g/10min (280 DEG C/5Kg)), 2.3 kilograms of HIPS (weight average molecular weight 280000-300000, molecular weight
Distribution 2.2, melt index be 6g/10min (200 DEG C/5Kg)), 0.4 kilogram of SEBS, 0.004 kilogram of silane coupling agent, 0.09
Kilogram graphene squeezed out after mixing by double screw extruder, extrusion temperature is 230 DEG C, through room temperature cooling, air-dries, cuts
The modified pellet of graphene is made in grain；It will be squeezed out after each component mechanical mixture half an hour by double screw extruder, processing temperature is
It 230 DEG C, through room temperature cooling, air-dries, pelletizing, modified HIPS pellet is made；
Step S62: the modified HIPS pellet of graphene made from step S61 is squeezed out by 3D printing material extruder, is squeezed
Temperature is 220 DEG C out, through 60 DEG C of high temperature constant temperature coolings, 40 DEG C of medium temperature constant temperature coolings, room temperature cooling, is air-dried, tie rod, coiling, system
At polystyrene/graphene 3D printing wire rod.
Comparative example 1:
Step S1: taking 2.6 kilograms of HIPS, (weight average molecular weight 220000-250000, molecular weight distribution 2.2, melt index are
5g/10min (200 DEG C/5Kg)), 0.4 kilogram of SEBS mechanical mixture half an hour；The material mixed is passed through into double screw extruder
It squeezes out, processing temperature is 240 DEG C, through room temperature cooling, is air-dried, pelletizing, and the modified HIPS pellet of graphene is made；
Step S2: the modified HIPS pellet of graphene is squeezed out by 3D printing material extruder, and extrusion temperature is 200 DEG C,
It through 50 DEG C of high temperature constant temperature coolings, 40 DEG C of medium temperature constant temperature coolings, room temperature cooling, air-dries, tie rod, coiling, 3D printing HIPS is made
Wire rod.
Comparative example 2:
Step S1: 2.58 kilograms of HIPS (weight average molecular weight 220000-250000, molecular weight distribution 2.2, melt index are taken
For 5g/10min (200 DEG C/5Kg)), 0.3 kilogram of polyphenylene oxide (inherent viscosity 46, melt index 5g/10min (280 DEG C/5Kg)),
0.12 kilogram of SEBS mechanical mixture half an hour is squeezed out the material mixed by double screw extruder, processing temperature 240
DEG C, it through room temperature cooling, air-dries, pelletizing, modified HIPS pellet is made；
Step S2: modified HIPS pellet is squeezed out by 3D printing material extruder, extrusion temperature is 200 DEG C, through 50 DEG C
High temperature constant temperature cooling, room temperature cooling, air-dries, tie rod, coiling 40 DEG C of medium temperature constant temperature coolings, and 3D printing HIPS wire rod is made.
Correlated performance test:
The properties of product that above-described embodiment 1-6 and comparative example 1-2 are provided are as shown in table 1.
It is to be provided for the embodiments of the invention polystyrene/graphene 3D printing wire rod to be described in detail above.
1 embodiment and comparative example processing characteristic of table and properties of product
Claims (10)
1. a kind of polystyrene/graphene 3D printing wire rod, it is characterised in that be grouped as by the group of following parts by weight:
60-79 parts of high impact polystyrene, 10-30 parts of polyphenylene oxide, 4-10 parts of toughener, 0.1-10 parts of graphene, coupling agent
0.1-0.5 parts.
2. polystyrene/graphene 3D printing wire rod as described in claim 1, which is characterized in that the high-impact polyphenyl second
Weight average molecular weight >=100000 of alkene, molecular weight distribution≤2.5, melt index be 3.5-6.5 g/10min, 200
℃/5 Kg。
3. polystyrene/graphene 3D printing wire rod as claimed in claim 2, which is characterized in that described
Weight average molecular weight >=200000 of high impact polystyrene, molecular weight distribution≤2.2, melt index are 5 g/
10min, 200 DEG C/5 Kg.
4. polystyrene/graphene 3D printing wire rod as described in claim 1, which is characterized in that the intrinsic is viscous
Degree is 35-50, weight average molecular weight 40000-50000, melt index 2-13 g/10min, 280 DEG C/5 Kg.
5. polystyrene/graphene 3D printing wire rod as claimed in claim 4, which is characterized in that the characteristic of the polyphenylene oxide
Viscosity is 45-50, weight average molecular weight 22000-57000, melt index 4-6 g/10min, 280 DEG C/5 Kg.
6. polystyrene/graphene 3D printing wire rod as described in claim 1, which is characterized in that the toughener be POE,
It is grafted at least one of POE, EPDM, PBE, SEBS, SBS, SIS, SEPS, SOE, TPO, TPE.
7. polystyrene/graphene 3D printing wire rod as claimed in claim 6, which is characterized in that the toughener is SEBS
Or SBS.
8. polystyrene/graphene 3D printing wire rod as described in claim 1, which is characterized in that described
Graphene is high purity graphite alkene of the carbon content 99% or more, or contains ring by oxygen atom, nitrogen-atoms modified
The graphene of at least one of oxygroup, hydroxyl, carboxyl, amino, alkyl group.
9. polystyrene/graphene 3D printing wire rod as described in claim 1, which is characterized in that the coupling agent is 3- tri-
Triethoxysilyl -1- propylamine, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl three
Methoxy silane, mono- aminoethyl of N-(β)-γ-aminopropyl front three (second) oxysilane, N- β-(aminoethyl)-γ-aminopropyltriethoxy
Dimethoxysilane, vinyltriethoxysilane, vinyltriacetoxy silane, vinyltrimethoxysilane, phenyl
Trimethoxy silane, phenyl isocyanate, aluminate coupling agent, titante coupling agent, zirconium ester coupling agent, borate coupling
At least one of agent.
10. the preparation method of polystyrene/graphene 3D printing wire rod described in claim 1, it is characterised in that following steps:
Step 1: weighing high impact polystyrene, polyphenylene oxide and toughener according to the ratio, three kinds of component mechanical mixtures are uniformly led to afterwards
Double screw extruder extrusion is crossed, through room temperature cooling, air-dries, pelletizing, modified high impact resistant polystyrene pellet is made；
Step 2: modified high impact resistant polystyrene pellet made from step 1 and coupling agent, graphene being passed through after mixing double
Screw extruder squeezes out, and through room temperature cooling, air-dries, pelletizing, graphene modified high impact resistant polystyrene pellet is made；
Step 3: graphene modified high impact resistant polystyrene pellet is squeezed out by 3D printing material extruder, it is cold through high temperature constant temperature
But, the cooling of medium temperature constant temperature, room temperature cooling, air-dried, tie rod, coiling, are made polystyrene/graphene 3D printing wire rod;
In the step 1, the processing temperature of double screw extruder is 220-280 DEG C；
In the step 2, the processing temperature of 3D printing material extruder is 200-260 DEG C, and high temperature constant temperature cooling temperature is 20-70
DEG C, medium temperature constant temperature is cooled to 20-50 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220315753A1 (en) * | 2021-04-01 | 2022-10-06 | The University Of Akron | 3d printable thermoplastic elastomer blends |
| US12122906B2 (en) * | 2022-04-01 | 2024-10-22 | The University Of Akron | 3D printable thermoplastic elastomer blends |
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| CN103665704A (en) * | 2013-12-06 | 2014-03-26 | 青岛大都新材料科技有限公司 | High-rigidity high-toughness modified polystyrene material and preparation method thereof |
| CN104744869A (en) * | 2015-03-23 | 2015-07-01 | 利丰新材料科技（深圳）有限公司 | 3D printed HIPS consumable material and preparation method thereof |
| CN105504565A (en) * | 2015-12-25 | 2016-04-20 | 成都新柯力化工科技有限公司 | Graphene-containing conducting material used for 3D printing and preparation method of graphene-containing conducting material |
| CN106566217A (en) * | 2016-11-17 | 2017-04-19 | 广西筑梦三体科技有限公司 | Graphene 3D printing material with high melt index |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220315753A1 (en) * | 2021-04-01 | 2022-10-06 | The University Of Akron | 3d printable thermoplastic elastomer blends |
| US12122906B2 (en) * | 2022-04-01 | 2024-10-22 | The University Of Akron | 3D printable thermoplastic elastomer blends |
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