CN106633723B - A kind of 3D printing wire rod and preparation method thereof with pearl effect - Google Patents
A kind of 3D printing wire rod and preparation method thereof with pearl effect Download PDFInfo
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- 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
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Abstract
The present invention discloses a kind of 3D printing wire rod and preparation method thereof with pearl effect, according to pearly-lustre production principle, has the 3D printing material of pearl effect using translucency and the refractive index difference preparation of material.Technical scheme is as follows: 1, being PLA5-90, high refractive index light-transmissive resin 5-90, compatilizer 0-10, antioxidant 0.05-2, white oil 0.05-1.5 according to percentage of weight formula.2, the preparation method comprises the following steps: (1) is dry；(2) weighing；(3) it mixes；(4) extruding pelletization；(5) wire forming；(6) cooling traction；(7) it winds.3D printing wire rod produced by the present invention has from pearl effect and splendid toughness, prints product and possesses good glossiness, light resistance and stability, and plug problem is not present in print procedure.
Description
Technical field
The present invention relates to a kind of 3D printing wire rod and preparation method thereof with pearl effect.
Background technique
3D printing is also known as increasing material manufacturing, is a kind of novel manufacture, the eighties in last century is started from, by nearly 30 years
Development, technology is more mature, is widely used in the fields such as space flight, military project, medical treatment, while being also applied to us life breath
Cease relevant cultural creative field.
Different according to printing principle, printing mainstream technology can be divided into fused glass pellet technology (FDM), laminated forming technology
(LOM), Stereolithography technology (SLA), molded through three-dimensional printing technology (3DP) and Selective Laser Sintering (SLS) etc..Phase
Than other 3D printing techniques, FDM technology is not related to the dangerous link such as high temperature, high pressure, laser, while its volume is also smaller, is into
This relatively low 3D printing technique can be widely used in family and office environment.In addition, with key technology patent
It expires, the various application fields of FDM are still constantly being expanded, and prospect is worthy of expecting.
Currently, commercially available FDM technology shape wire is many kinds of.Divided from color effects, can be divided into monochromatic, colorful mixing,
The wire rod of pearly-lustre and fluorescence and other effects.Wherein, the wire rod with pearl effect is due to its unique color by market and consumption
The favor of person, the usual way of wire rod with pearl effect are to add pearly-lustre toner in high molecular polymer matrix to be made.
Pearly-lustre toner mainly has the photochromic powder of natural indestructible pearl, bismuth oxychloride crystallization pearly-lustre toner and mica coating pearly-lustre color
Powder.Production is that (size is from 4 μ using natural mica thin slice as core at most and the pearly-lustre toner that is most widely used in the world at present
M-120 μm, thickness is about 0.5 μm), by special chemical technology, one or more layers titanium or other metals are coated on its surface
Oxide.The mica sheet of metal oxide-coated is very smooth, has good light reflective, and have the transparency, that is, only has
A part of light is launched, and the light of transmissive portion passes through mica sheet and reaches another layer, can be continued to be launched, as a result be formd
Perhaps multifaceted multiple reflections.Human eye is difficult to focus on a certain layer, and sets up the anti-depth of light therefrom.So can see
To a kind of marvellous glittering gloss for having depth, we term it " pearly-lustres ".
Chinese patent CN105524399A discloses one kind and is prepared by adding pearly-lustre toner with metal-like and pearl
The 3D printing polymer material of the specific functions such as light effect, though polymeric material texture and pearl effect that the patent system is standby
It is good, but since inorganic filler and the addition of toner will limit its dispersion and distributing homogeneity in a polymer matrix, thus shadow
Printing effect is rung, and deteriorates the toughness of material to a certain extent.Chinese patent CN105038157A discloses one kind and passes through
It adds golden pearlescent pigment and prepares the compound consumptive material of 3D printing with flashing gold lustre, the standby composite wire of the patent system is beaten
Though the product printed off has good gold-plated gloss and texture, in the golden pearlescent pigment of higher filling, it is related to two
Secondary processing dispersion, be easy to cause the deterioration of material property, and be easier to plug problem occur in print procedure, influences printing stream
Smooth property.Chinese patent CN104592726A, which discloses a kind of prepare by addition metallic aluminium silver powder, has flashing silvering 3D
Compound consumptive material is printed, though the product that the standby composite wire of the patent system prints has certain silver-plated gloss and texture, aluminium
Powder is easy to be destroyed in twin-screw shear history, to influence color stability, the consumptive material is same easy in print procedure
There is plug problem, and material is more crisp.
Though by add pearly-lustre toner wire rod have a degree of pearl effect, by pearly-lustre toner filling and
Its in a polymer matrix dispersion limitation, deteriorate the performance of material to a certain extent, at the same in print procedure be easy
Plug phenomenon is caused, and the glossiness, stability and light resistance that print product are more unstable.Therefore, pearl can not added
On the basis of photochromic powder, designed by material self attributes to reach this effect and become research point.
The consumptive material that polylactic acid (PLA) is most widely used as FDM technology, not only have good biological degradability and
Outside biocompatibility, it is also equipped with certain transparency, it can light transmission.According to pearly-lustre production principle, PLA is chosen as pearl core,
Screw rod melts under shear-mixed effect, will have high refractive index light-transmissive resin to be dispersed in the surface PLA, and microcosmic upper formation has
Similar pearly-lustre toner structure, so that wire rod be made to have pearl effect.Currently, this method is not yet seen in report.
Summary of the invention
For above-mentioned background and problem, the 3D printing wire rod that the purpose of the present invention is to provide a kind of with pearl effect and
Preparation method.The object of the present invention is to provide one kind on the basis of not adding pearly-lustre toner, according to pearly-lustre production principle, benefit
There is the 3D printing material of pearl effect with translucency and the refractive index difference preparation of material.3D printing wire rod produced by the present invention
With from pearl effect and splendid toughness, prints product and possess good glossiness, light resistance and stability, and in print procedure
There is no plug problems.
Said effect of the invention is achieved by the following technical solution:
1, a kind of 3D printing wire rod with pearl effect, it is characterised in that: its component is matched according to weight percent are as follows:
PLA 5-90
High refractive index light-transmissive resin 5-90
Compatilizer 0-10
Antioxidant 0.05-2
White oil 0.05-1.5.
It is preferably 10-70 weight that the PLA dosage, which is preferably 30-90 parts by weight, corresponding high refractive index light-transmissive resin dosage,
Part；The corresponding more preferable 10-65 parts by weight of the more preferable 35-90 parts by weight of PLA dosage, high refractive index light-transmissive resin dosage.
40 parts by weight of PLA dosage, 20 parts by weight of high refractive index light-transmissive resin dosage；Or 58 parts by weight of PLA dosage, high folding
Penetrate 35 parts by weight of rate light-transmissive resin dosage；Or 85 parts by weight of PLA dosage, 50 parts by weight of high refractive index light-transmissive resin dosage；
The PLA refractive index is preferably 1.20-1.50, more preferable 1.30-1.45, for example, can be 1.35,1.40 or
1.43；
The PLA structure type is l-lactic acid (PLLA), dextrorotation polylactic acid (PDLA) and racemic polylactic acid (PDLLA)
One of or a variety of, preferred l-lactic acid (PLLA)；
Preferably, the PLA number-average molecular weight is 40000-120000, preferably 60000-100000.
The high refractive index light-transmissive resin it is at least a kind of selected from styrene analog thermoplastic elastomer (SBS, SIS,
SEPS, SEBS), olefin hydrocarbons thermoplasticity elastic body (TPO, TPV), diene analog thermoplastic elastomer (TPB, TPI), polyvinyl chloride-base heat
Thermoplastic elastic (TPVC, TCPE), polyurethane (TPU), polyester-type thermoplastic elastomer (TPEE), amide analog thermoplastic elastomer
(TPAE), organic fluoride class thermoplastic elastomer (TPE) (TPF).
The compatilizer is at least a kind of to be grafted first selected from polylactic acid grafted maleic anhydride (PLA-g-MAH), polylactic acid
Base glycidyl acrylate (PLA-g-GMA), ethylene-octene copolymer grafted maleic anhydride (POE-g-MAH), ethylene-are pungent
Alkene copolymer graft glycidyl methacrylate (POE-g-GMA).
The antioxidant is at least a kind of to be selected from tea polyphenols, phytic acid, four [β-(3,5- di-tert-butyl-hydroxy phenyl)
Propionic acid] pentaerythritol ester (1010), three [2.4- di-tert-butyl-phenyl] phosphite esters (168) or dipentaerythritol diphosphites
(626)。
The refractive index of the high refractive index light-transmissive resin is at least greater than or equal to 1.50.
A kind of preparation method of 3D printing wire rod with pearl effect of the present invention, which is characterized in that including with
Lower step:
A., PLA, high refractive index light-transmissive resin, compatilizer, antioxidant are dried to 12h in drying box；
B. matched according to weight percent, weigh it is dry after PLA, high refractive index light-transmissive resin, compatilizer, antioxidant,
White oil；
C. by each group after weighing be placed in high-speed kneading machine high speed mix 3-30min, the high-speed mixer turn
Speed is 300-3000rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating,
High temperature screw rod melts intracavitary fusion plastification and is that 30-300rpm squeezes out raw material with revolving speed；It is sent into from the raw material of Screw Extrusion through cooling
Particle is cut into pelleter；
E. the pellet after cutting is put into screw extruder, it is molten in high temperature screw rod by 170-210 DEG C of high-temperature heating
Intracavitary fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 30-300rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, are then distracted into through dragger fixed big
The wire rod of minor diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
The extruder is one of single screw extrusion machine, double screw extruder, three-screw extruder.
The above-mentioned 3D printing wire rod with pearl effect is applied to 3D printing field.
Beneficial effects of the present invention, 3D printing wire rod produced by the present invention have from pearl effect and splendid toughness, printing
Product possesses good glossiness, light resistance and stability, and plug problem is not present in print procedure.
Detailed description of the invention
Fig. 1 is that a kind of 3D printing wire rod printing product (right side) with pearl effect and common PLA 3D printing wire rod print
Product (left side) effect contrast figure.
Specific embodiment
Son is described in further details the present invention combined with specific embodiments below, but this should not be interpreted as of the invention
Range is only limitted to following instance.
Embodiment 1
1, a kind of 3D printing wire rod with pearl effect, it is characterised in that: according to percentage of weight formula:
PLLA(refractive index 1.40, number-average molecular weight 65000) 70
SEBS(refractive index 1.50) 25
PLA-g-GMA 3
Irgasfos 168 1
White oil 1.
2, the preparation method of the above-mentioned 3D printing wire rod with pearl effect, includes the following steps:
A., PLLA, SEBS, PLA-g-GMA, irgasfos 168 are dried to 12h in drying box；
B. it is matched according to weight percent, PLLA, SEBS, PLA-g-GMA, irgasfos 168, white oil after weighing drying；
C. by each group after weighing be placed in high-speed kneading machine high speed mix 10min, the revolving speed of the high-speed mixer
For 1000rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating,
High temperature screw rod melts intracavitary fusion plastification and is that 200rpm squeezes out raw material with revolving speed；Pelletizing is sent into through cooling from the raw material of Screw Extrusion
Particle is cut into machine；
E. the pellet after cutting is put into screw extruder, it is molten in high temperature screw rod by 170-210 DEG C of high-temperature heating
Intracavitary fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 100rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, are then distracted into through dragger fixed big
The wire rod of minor diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
H. it by particle injection molding obtained in D step, is molded batten and carries out tensile property test (GB/ respectively
T1040.2-2006), bending strength (GB/T9341-2008) and impact property test (GB/T1043.1-2008), test result
It is shown in Table 1.
Embodiment 2
1, a kind of 3D printing wire rod with pearl effect, it is characterised in that: according to percentage of weight formula:
PLLA(refractive index 1.42, number-average molecular weight 85000) 60
TPV(refractive index 1.53) 30
POE-g-MAH 7
Antioxidant 1010 1.5
White oil 1.5.
2, the preparation method of the above-mentioned 3D printing wire rod with pearl effect, includes the following steps:
A., PLLA, TPV, POE-g-MAH, antioxidant 1010 are dried to 12h in drying box；
B. it is matched according to weight percent, PLLA, TPV, POE-g-MAH, antioxidant 1010, white oil after weighing drying；
C. the high-speed kneading machine high speed that is placed in of each group after weighing is mixed into 5min, the revolving speed of the high-speed mixer is
1500rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating,
High temperature screw rod melts intracavitary fusion plastification and is that 180rpm squeezes out raw material with revolving speed；Pelletizing is sent into through cooling from the raw material of Screw Extrusion
Particle is cut into machine；
E. the pellet after cutting is put into screw extruder, it is molten in high temperature screw rod by 170-210 DEG C of high-temperature heating
Intracavitary fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 80rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, are then distracted into through dragger fixed big
The wire rod of minor diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
H. it by particle injection molding obtained in D step, is molded batten and carries out tensile property test (GB/ respectively
T1040.2-2006), bending strength (GB/T9341-2008) and impact property test (GB/T1043.1-2008), test result
It is shown in Table 1.
Embodiment 3
1, a kind of 3D printing wire rod with pearl effect, it is characterised in that: according to percentage of weight formula:
PDLA(refractive index 1.35, number-average molecular weight 90000) 40
TPB(refractive index 1.52) 50
POE-g-GMA 9
Antioxidant 626 0.5
White oil 0.5.
2, the preparation method of the above-mentioned 3D printing wire rod with pearl effect, includes the following steps:
A., PDLA, TPB, POE-g-GMA, antioxidant 626 are dried to 12h in drying box；
B. it is matched according to weight percent, PDLA, TPB, POE-g-GMA, antioxidant 626, white oil after weighing drying；
C. the high-speed kneading machine high speed that is placed in of each group after weighing is mixed into 5min, the revolving speed of the high-speed mixer is
1200rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating,
High temperature screw rod melts intracavitary fusion plastification and is that 200rpm squeezes out raw material with revolving speed；Pelletizing is sent into through cooling from the raw material of Screw Extrusion
Particle is cut into machine；
E. the pellet after cutting is put into screw extruder, it is molten in high temperature screw rod by 170-210 DEG C of high-temperature heating
Intracavitary fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 120rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, are then distracted into through dragger fixed big
The wire rod of minor diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
H. it by particle injection molding obtained in D step, is molded batten and carries out tensile property test (GB/ respectively
T1040.2-2006), bending strength (GB/T9341-2008) and impact property test (GB/T1043.1-2008), test result
It is shown in Table 1.
Embodiment 4
1, a kind of 3D printing wire rod with pearl effect, it is characterised in that: according to percentage of weight formula:
PDLLA(refractive index 1.45, number-average molecular weight 70000) 60
TPEE(refractive index 1.55) 35
PLA-g-MAH 3
Plant oil 1.2
White oil 0.8.
2, the preparation method of the above-mentioned 3D printing wire rod with pearl effect, includes the following steps:
A., PDLLA, TPEE, PLA-g-MAH are dried to 12h in drying box；
B. it is matched according to weight percent, PDLLA, TPEE, PLA-g-MAH, plant oil, white oil after weighing drying；
C. the high-speed kneading machine high speed that is placed in of each group after weighing is mixed into 6min, the revolving speed of the high-speed mixer is
1500rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating,
High temperature screw rod melts intracavitary fusion plastification and is that 240rpm squeezes out raw material with revolving speed；Pelletizing is sent into through cooling from the raw material of Screw Extrusion
Particle is cut into machine；
E. the pellet after cutting is put into screw extruder, it is molten in high temperature screw rod by 170-210 DEG C of high-temperature heating
Intracavitary fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 80rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, are then distracted into through dragger fixed big
The wire rod of minor diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
H. it by particle injection molding obtained in D step, is molded batten and carries out tensile property test (GB/ respectively
T1040.2-2006), bending strength (GB/T9341-2008) and impact property test (GB/T1043.1-2008), test result
It is shown in Table 1.
Embodiment 5
1, a kind of 3D printing wire rod with pearl effect, it is characterised in that: according to percentage of weight formula:
PLLA(refractive index 1.45, number-average molecular weight 75000) 30
TPU(refractive index 1.60) 60
PLA-g-GMA 8
Irgasfos 168 1.5
White oil 0.5.
2, the preparation method of the above-mentioned 3D printing wire rod with pearl effect, includes the following steps:
A., PLLA, TPU, PLA-g-GMA, irgasfos 168 are dried to 12h in drying box；
B. it is matched according to weight percent, PLLA, TPU, PLA-g-GMA, irgasfos 168, white oil after weighing drying；
C. the high-speed kneading machine high speed that is placed in of each group after weighing is mixed into 8min, the revolving speed of the high-speed mixer is
2000rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating,
High temperature screw rod melts intracavitary fusion plastification and is that 220rpm squeezes out raw material with revolving speed；Pelletizing is sent into through cooling from the raw material of Screw Extrusion
Particle is cut into machine；
E. the pellet after cutting is put into screw extruder, it is molten in high temperature screw rod by 170-210 DEG C of high-temperature heating
Intracavitary fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 60rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, are then distracted into through dragger fixed big
The wire rod of minor diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
H. it by particle injection molding obtained in D step, is molded batten and carries out tensile property test (GB/ respectively
T1040.2-2006), bending strength (GB/T9341-2008) and impact property test (GB/T1043.1-2008), test result
It is shown in Table 1.
1. material properties test result of table
Above-mentioned specific embodiment and attached drawing is the further description to the present patent application, but right of the present invention is wanted
The range of protection is asked to be not limited to range described in embodiment, all technical solutions using with effect deformation etc. are fallen
In the protection scope of the claims in the present invention.
Claims (14)
1. a kind of 3D printing wire rod with pearl effect, it is characterised in that: its component matches according to parts by weight are as follows:
PLA 5-90
High refractive index light-transmissive resin 5-90
Compatilizer 0-10
Antioxidant 0.05-2
White oil 0.05-1.5；
The refractive index of the high refractive index light-transmissive resin is greater than or equal to 1.50.
2. a kind of 3D printing wire rod with pearl effect according to claim 1, it is characterised in that:
The PLA dosage is 30-90 parts by weight, corresponding high refractive index light-transmissive resin dosage is 10-70 parts by weight.
3. a kind of 3D printing wire rod with pearl effect according to claim 2, it is characterised in that:
The PLA dosage is 35-90 parts by weight, high refractive index light-transmissive resin dosage is 10-65 parts by weight.
4. a kind of 3D printing wire rod with pearl effect according to claim 2, it is characterised in that:
40 parts by weight of PLA dosage, 20 parts by weight of high refractive index light-transmissive resin dosage；Or 58 parts by weight of PLA dosage, high refractive index
35 parts by weight of light-transmissive resin dosage；Or 85 parts by weight of PLA dosage, 50 parts by weight of high refractive index light-transmissive resin dosage；
The PLA refractive index is 1.20-1.50；
The PLA structure type is l-lactic acid (PLLA), in dextrorotation polylactic acid (PDLA) and racemic polylactic acid (PDLLA)
It is one or more；
The PLA number-average molecular weight is 40000-120000.
5. a kind of 3D printing wire rod with pearl effect according to claim 4, it is characterised in that: the PLA refraction
Rate is 1.30-1.45.
6. a kind of 3D printing wire rod with pearl effect according to claim 4, it is characterised in that: the PLA refraction
Rate is 1.35,1.40 or 1.43.
7. a kind of 3D printing wire rod with pearl effect according to claim 4, it is characterised in that: the PLA structure
Type is l-lactic acid (PLLA).
8. a kind of 3D printing wire rod with pearl effect according to claim 4, it is characterised in that: the PLA number is equal
Molecular weight is 60000-100000.
9. a kind of 3D printing wire rod with pearl effect according to claim 1 or 2, it is characterised in that: the height
Refractive index light-transmissive resin it is at least a kind of selected from SBS, SIS, SEPS, SEBS, TPO, TPV, TPB, TPI, TPVC, TCPE, TPU,
TPEE、TPAE、TPF。
10. a kind of 3D printing wire rod with pearl effect according to claim 1 or 2, it is characterised in that: the phase
It is at least a kind of selected from polylactic acid grafted maleic anhydride (PLA-g-MAH), polylactic acid grafted methacrylic acid glycidol to hold agent
Ester (PLA-g-GMA), ethylene-octene copolymer grafted maleic anhydride (POE-g-MAH), ethylene-octene copolymer are grafted methyl
Glycidyl acrylate (POE-g-GMA).
11. a kind of 3D printing wire rod with pearl effect according to claim 1 or 2, it is characterised in that: described is anti-
Oxygen agent is at least a kind of to be selected from tea polyphenols, phytic acid, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters
(antioxidant 1010), three [2,4- di-tert-butyl-phenyl] phosphite esters (irgasfos 168) or dipentaerythritol diphosphites are (anti-
Oxygen agent 626).
12. a kind of preparation method of any 3D printing wire rod with pearl effect of claim 1 to 11, feature exist
In, comprising the following steps:
A., PLA, high refractive index light-transmissive resin, compatilizer, antioxidant are dried to 12h in drying box；
B. it matches according to parts by weight, PLA, high refractive index light-transmissive resin, compatilizer, antioxidant, white oil after weighing drying；
C. the high-speed kneading machine high speed that is placed in of each group after weighing is mixed into 3-30min, the revolving speed of the high-speed mixer is
300-3000rpm；
D. it is sufficiently mixed uniform raw material by above-mentioned and puts into screw extruder, by 130-210 DEG C of high-temperature heating, in high temperature
Screw rod melts intracavitary fusion plastification and is that 30-300rpm squeezes out raw material with revolving speed；Pelletizing is sent into through cooling from the raw material of Screw Extrusion
Particle is cut into machine；
E. the pellet after cutting is put into screw extruder, by 170-210 DEG C of high-temperature heating, is melted in high temperature screw rod intracavitary
Fusion plastification simultaneously squeezes out lines from stainless steel mouth mold for 30-300rpm with revolving speed；
F. lines are fully cooled molding through the cooling trough that water temperature is 15-65 DEG C, and it is straight to be then distracted into fixed size through dragger
The wire rod of diameter；
G. the wire rod after being formed enters two-wheel storage rack and pulls out wire rod and be wound into finished product in coil winder.
13. a kind of preparation method of 3D printing wire rod with pearl effect according to claim 12, it is characterised in that:
The extruder is single screw extrusion machine, double screw extruder or three-screw extruder.
14. a kind of described in any item 3D printing wire rods with pearl effect of claim 1 to 11 are applied to 3D printing field.
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| CN112852128A (en) * | 2019-11-12 | 2021-05-28 | 中国石油化工股份有限公司 | Composition for 3D printing, 3D printed product and preparation method thereof |
| GB2602818B (en) * | 2021-01-15 | 2023-05-24 | Floreon Transf Packaging Ltd | Polymer Blend |
| CN112920581B (en) * | 2021-04-01 | 2022-09-27 | 青岛科技大学 | Biodegradable nano composite material for 3D printing |
| CN113150503B (en) * | 2021-06-08 | 2022-07-01 | 明丹医疗科技有限公司 | 3D printing composite material suitable for medical treatment and aviation and preparation method thereof |
| CN113584630A (en) * | 2021-09-02 | 2021-11-02 | 杭州卓普新材料科技有限公司 | Pearlescent 3D printing material and preparation method thereof |
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| CN105400165B (en) * | 2015-12-11 | 2017-05-24 | 中国科学院宁波材料技术与工程研究所 | Bio-based polyester modified polylactic resin, preparation method and processing forming method |
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