CN106633714A - Composite microfiber reinforced 3D printing consumables as well as preparation method and equipment thereof - Google Patents
Composite microfiber reinforced 3D printing consumables as well as preparation method and equipment thereof Download PDFInfo
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- CN106633714A CN106633714A CN201610905244.3A CN201610905244A CN106633714A CN 106633714 A CN106633714 A CN 106633714A CN 201610905244 A CN201610905244 A CN 201610905244A CN 106633714 A CN106633714 A CN 106633714A
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- fento
- consumptive material
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- 238000010146 3D printing Methods 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003658 microfiber Substances 0.000 title claims abstract description 11
- 229920001410 Microfiber Polymers 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 28
- 229920000642 polymer Polymers 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000004970 Chain extender Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920001896 polybutyrate Polymers 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000002048 multi walled nanotube Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000001724 microfibril Anatomy 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002042 Silver nanowire Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- -1 and PLA Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/025—General arrangement or layout of plant
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0853—Ethene vinyl acetate copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses composite microfiber reinforced 3D printing consumables as well as a preparation method and equipment thereof. A nanometer material with high length-diameter ratio and excellent mechanical properties is used for being composited with a polymer material prone to fiber forming, so that the mechanical properties of a microfiber composite are improved, and the reinforcing effect of microfibers on the 3D printing consumables can be greatly improved; a static mixer is used for further mixing, the size of the microfiber composite is reduced, composite microfibers are formed in a product through further extension by a traction device, the mechanical properties of a material are greatly improved, and the contradiction between reinforcement of the 3D printing consumables and blockage of nozzles is solved. The 3D printing consumables are prepared from the widely-sourced material and are low in cost and good in use effect.
Description
Technical field
The present invention relates to material science, especially a kind of compound fento strengthen 3D printing consumptive material and preparation method thereof with
Equipment.
Background technology
3D printing correlation technique is increasingly subject to each developed country of the world to pay attention to, country using 3D printing correlation technique as
《Made in China 2025》The emphasis of planning supports field.The FDM pattern 3D printings material property of polymer strengthens, and particularly impacts
The thermal contraction problem of mechanical property and material.Numerous applications shows that fiber-reinforced polymer is to improve mechanical properties of polymer
Effective ways, but add fiber reinforcement FDM pattern 3D printing consumptive materials it is extremely difficult, on the one hand, fiber is easily in polymer
Tangle in matrix, it is difficult to dispersed；On the other hand, the addition of fiber, conventional fibre dimensions are larger, printed
It is to easily cause blocking shower nozzle；Traditional in-situ micro-fibril method reinforced polymeric material, enhancing effect is very limited.Using in-situ micro-fibril
Strengthen FDM pattern 3D printing consumptive materials, big L/D ratio Nano filling/polymeric composite in-situ micro-fiber reinforced polymer base 3D printing consumption
Material has not been reported.
The content of the invention
The purpose of the present invention is：There is provided a kind of compound fento strengthens 3D printing consumptive material and preparation method thereof and equipment, its energy
The mechanical property of FDM Pattern Aggregation thing base 3D printing consumptive materials is greatly improved, and shower nozzle blocking, and product will not be thus resulted in
Production method it is simple, it is easy to implement industrialization, to overcome the deficiencies in the prior art.
What the present invention was realized in：Compound fento strengthens 3D printing consumptive material, calculates according to the mass fraction, including polymer matrix
Body 70-98 parts, fento phase composite materials 2-30 parts and viscosity regulation auxiliary agent 0-2 parts.
The polymeric matrix is one or more in PE, PLA, PBAT, PBS, POE, SEBS, EVA, PP or EPDM
Arbitrary proportion is combined.
The mass percent composition of the fento phase composite materials includes that easy fibre-forming polymer 90-99% and big L/D ratio are received
Rice filler 1-10%, adds up to 100%.
Described easy fibre-forming polymer is appointing for one or more in PP, PA, PET, PBT, PC, PLA, PBS or PBAT
Meaning ratio is combined.
The micro-nano filler of described big L/D ratio is CNT, micro-nano silver wire, micro-nano copper cash, phosphate crystallite glass
The arbitrary proportion of one or more combination in glass fiber or Graphene.
Described viscosity regulation auxiliary agent is epoxy chain extenders or flow ability modifying agent.
Compound fento strengthens the preparation method of 3D printing consumptive material, and polymeric matrix, fento phase composite materials and viscosity are adjusted
After control auxiliary agent is premixed uniformly according to above-mentioned weight fraction, entered using compound micro-fiber reinforced polymer base 3D printing consumptive material production equipment
Row extrusion, after extrusion Jing after stretching, cooling, winding, preparing compound fento strengthens 3D printing consumptive material.
The preparation of fento phase composite materials is, by easy fibre-forming polymer and the micro-nano filler Jing twin-screw extrusions of big L/D ratio
The advance blending extrusion of machine is prepared into fento phase composite materials.
The micro-nano filler of big L/D ratio is carrying out adopting coupling agent, KH550, KH560 or KH590 to carry out pretreatment mixing.
Compound fento strengthens 3D printing consumptive material production equipment, including extruder, and in extruder front end static mixing is connected with
Device, in static mixer front end consumptive material mould is connected with；Heater is provided with consumptive material mould front end；Adding hot charging
Put front end and be provided with cooling and shaping tank；Laser diameter measuring instrument is provided with cooling and shaping tank front end；It is provided with laser diameter measuring instrument front end
Stretching and traction roller；Stretching and traction roller front end is provided with wrap-up.
Compared with prior art, the present invention take the nano material with big L/D ratio and excellent in mechanical performance with easily into fibre
Polymeric material is combined, and lifts the mechanical property of fento phase composite materials, and increasing of the fento to 3D printing consumptive material can be substantially improved
Pretend use；And employ static mixer and further mixed, the size of fento phase composite materials is reduced, then through traction
Device is further stretched, and makes to form compound fento in product, and the mechanical property of material is substantially improved, and solves 3D printing consumptive material
Fiber reinforcement and blocking shower nozzle between contradiction.Extensively, with low cost, using effect is good for material source of the present invention.
Description of the drawings
Accompanying drawing 1 is the structural representation of the equipment of the present invention；
Accompanying drawing 2 is the structural representation of the product of the present invention.
Specific embodiment
Embodiments of the invention 1：Compound fento strengthens 3D printing consumptive material, calculates according to the mass fraction, including polymeric matrix
89.6 parts, 0.4 part of 10 parts of fento phase composite materials and viscosity regulation auxiliary agent；The polymeric matrix is PLA；The fento is mutually multiple
The mass percent composition of condensation material includes easy fibre-forming polymer 98% and big L/D ratio Nano filling 2%；Easy fibre-forming polymer
For PET, the micro-nano filler of big L/D ratio is multi-walled carbon nano-tubes；Described viscosity regulation auxiliary agent is epoxy chain extenders.
Compound fento strengthens the preparation method of 3D printing consumptive material, and PET and MWCNTs is pre-mixed, and Jing double screw extruders are squeezed
Go out to be mixed with acquisition PET/MWCNTs composites, as fento phase composite materials；By polymeric matrix (PLA), fento phase
Composite (PET/MWCNTs composites) and viscosity regulation auxiliary agent (epoxy chain extenders) are mixed in advance according to above-mentioned weight fraction
After even, extruded using compound micro-fiber reinforced polymer base 3D printing consumptive material production equipment, Jing stretchings, cooling, receipts after extrusion
After volume, preparing compound fento strengthens 3D printing consumptive material.
Compound fento strengthens 3D printing consumptive material production equipment, including extruder 1, is connected with the front end of extruder 1 static mixed
Clutch 2, in the front end of static mixer 2 consumptive material mould 3 is connected with；Heater 4 is provided with the front end of consumptive material mould 3；
Cooling and shaping tank 5 is provided with the front end of heater 4；Laser diameter measuring instrument 6 is provided with the front end of cooling and shaping tank 5；In Laser Measuring
The front end of footpath instrument 6 is provided with stretching and traction roller 7；The front end of stretching and traction roller 7 is provided with wrap-up 8.
Embodiment 2：Compound fento strengthens 3D printing consumptive material, calculates according to the mass fraction, including 89 parts of polymeric matrix and micro-
11 parts of fine phase composite materials；The polymeric matrix is EVA；The mass percent composition of the fento phase composite materials includes easy
Fibre-forming polymer 97% (including PLA79%, PBS's 18%) and big L/D ratio Nano filling 2% (nano-silver thread).
Compound fento strengthens the preparation method of 3D printing consumptive material, and PLA, PBS and nano-silver thread are pre-mixed, and Jing twin-screws are squeezed
Go out machine extrusion mixing and prepare PLA/PBS/ silver nanowire composite materials, as fento phase composite materials；By polymeric matrix
(EVA) and fento phase composite materials (PLA/PBS/ nano silver wires) according to above-mentioned weight fraction premix it is uniform after, using compound micro-
Fibre strengthens polymer matrix 3D printing consumptive material production equipment and is extruded, and after extrusion Jing after stretching, cooling, winding, prepares multiple
Closing fento strengthens 3D printing consumptive material.
In order to verify the effect of the present invention, compound fento prepared by above-mentioned embodiment strengthens 3D printing consumptive material carries out power
Performance test is learned, test result is as shown in the table：
Claims (10)
1. a kind of compound fento strengthens 3D printing consumptive material, it is characterised in that：Calculate according to the mass fraction, including polymeric matrix 70-
98 parts, fento phase composite materials 2-30 parts and viscosity regulation auxiliary agent 0-2 parts.
2. compound fento according to claim 1 strengthens 3D printing consumptive material, it is characterised in that：The polymeric matrix is
The arbitrary proportion combination of one or more in PE, PLA, PBAT, PBS, POE, SEBS, EVA, PP or EPDM.
3. compound fento according to claim 1 strengthens 3D printing consumptive material, it is characterised in that：The fento phase composite materials
Mass percent composition include easy fibre-forming polymer 90-99% and big L/D ratio Nano filling 1-10%, total 100%.
4. compound fento according to claim 3 strengthens 3D printing consumptive material, it is characterised in that：Described easy fibre-forming polymer
Arbitrary proportion for one or more in PP, PA, PET, PBT, PC, PLA, PBS or PBAT is combined.
5. compound fento according to claim 3 strengthens 3D printing consumptive material, it is characterised in that：Described big L/D ratio micro-nano
Rice filler is the one kind or several in CNT, micro-nano silver wire, micro-nano copper cash, phosphatized spheroidal fossils fiber or Graphene
The arbitrary proportion combination planted.
6. compound fento according to claim 1 strengthens 3D printing consumptive material, it is characterised in that：Described viscosity regulation auxiliary agent
For epoxy chain extenders or flow ability modifying agent.
7. a kind of compound fento as claimed in claim 1 strengthens the preparation method of 3D printing consumptive material, it is characterised in that：Will polymerization
After thing matrix, fento phase composite materials and viscosity regulation auxiliary agent are premixed uniformly according to above-mentioned weight fraction, increased using compound fento
Strength polymer base 3D printing consumptive material production equipment is extruded, and after extrusion Jing after stretching, cooling, winding, is prepared compound micro-
Fibre strengthens 3D printing consumptive material.
8. preparation method according to claim 7, it is characterised in that：The preparation of fento phase composite materials is, will easily into fibre
Polymer is prepared into fento phase composite materials with the advance blending extrusion of the micro-nano filler Jing double screw extruders of big L/D ratio.
9. preparation method according to claim 8, it is characterised in that：The micro-nano filler of big L/D ratio is carrying out adopting coupling
Agent, KH550, KH560 or KH590 carry out pretreatment mixing.
10. a kind of compound fento for realizing preparation method as claimed in claim 7 strengthens 3D printing consumptive material production equipment,
It is characterized in that：Including extruder (1), static mixer (2) is connected with extruder (1) front end, before static mixer (2)
End is connected with consumptive material mould (3)；Heater (4) is provided with consumptive material mould (3) front end；Before heater (4)
End is provided with cooling and shaping tank (5)；Laser diameter measuring instrument (6) is provided with cooling and shaping tank (5) front end；In laser diameter measuring instrument (6)
Front end is provided with stretching and traction roller (7)；Stretching and traction roller (7) front end is provided with wrap-up (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905244.3A CN106633714A (en) | 2016-10-18 | 2016-10-18 | Composite microfiber reinforced 3D printing consumables as well as preparation method and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905244.3A CN106633714A (en) | 2016-10-18 | 2016-10-18 | Composite microfiber reinforced 3D printing consumables as well as preparation method and equipment thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106633714A true CN106633714A (en) | 2017-05-10 |
Family
ID=58856551
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610905244.3A Pending CN106633714A (en) | 2016-10-18 | 2016-10-18 | Composite microfiber reinforced 3D printing consumables as well as preparation method and equipment thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475809A (en) * | 2017-08-05 | 2017-12-15 | 广西筑梦三体科技有限公司 | Good 3D printing clothing materials of a kind of antibacterial effect and preparation method thereof |
| CN109721928A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of polypropene composition and its preparation method and application |
| CN109721789A (en) * | 2017-10-27 | 2019-05-07 | 南京晨光艺术工程有限公司 | A kind of 3D printing material |
| CN109927263A (en) * | 2017-12-15 | 2019-06-25 | 通用汽车环球科技运作有限责任公司 | Long fiber reinforcement thermoplastic threads |
| CN111032252A (en) * | 2017-08-02 | 2020-04-17 | 巴斯夫欧洲公司 | Method for manufacturing three-dimensional green body by fuse fabrication (FFF) |
| CN112007214A (en) * | 2020-07-16 | 2020-12-01 | 宁波诺丁汉新材料研究院有限公司 | Phosphate glass reinforced 3D printing wire and preparation method thereof |
| US20210316500A1 (en) * | 2020-04-08 | 2021-10-14 | Airtech International, Inc. | System and apparatus for randomizing fiber additives in additive manufacturing |
| CN114316541A (en) * | 2021-12-28 | 2022-04-12 | 重庆纤维研究设计院股份有限公司 | Polylactic acid composite material and preparation method and application thereof |
| US11447630B2 (en) | 2018-04-30 | 2022-09-20 | Shpp Global Technologies B.V. | High strength additive manufactured articles |
| US11905410B2 (en) | 2019-06-10 | 2024-02-20 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
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| CN104650587A (en) * | 2015-03-06 | 2015-05-27 | 中国科学院化学研究所 | Modified polyphenylene sulfide resin suitable for 3D printing as well as preparation method and application of modified polyphenylene sulfide resin |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032252A (en) * | 2017-08-02 | 2020-04-17 | 巴斯夫欧洲公司 | Method for manufacturing three-dimensional green body by fuse fabrication (FFF) |
| CN107475809A (en) * | 2017-08-05 | 2017-12-15 | 广西筑梦三体科技有限公司 | Good 3D printing clothing materials of a kind of antibacterial effect and preparation method thereof |
| CN109721928A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of polypropene composition and its preparation method and application |
| CN109721789A (en) * | 2017-10-27 | 2019-05-07 | 南京晨光艺术工程有限公司 | A kind of 3D printing material |
| CN109927263A (en) * | 2017-12-15 | 2019-06-25 | 通用汽车环球科技运作有限责任公司 | Long fiber reinforcement thermoplastic threads |
| US11447630B2 (en) | 2018-04-30 | 2022-09-20 | Shpp Global Technologies B.V. | High strength additive manufactured articles |
| US11905410B2 (en) | 2019-06-10 | 2024-02-20 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| US20210316500A1 (en) * | 2020-04-08 | 2021-10-14 | Airtech International, Inc. | System and apparatus for randomizing fiber additives in additive manufacturing |
| CN112007214A (en) * | 2020-07-16 | 2020-12-01 | 宁波诺丁汉新材料研究院有限公司 | Phosphate glass reinforced 3D printing wire and preparation method thereof |
| CN114316541A (en) * | 2021-12-28 | 2022-04-12 | 重庆纤维研究设计院股份有限公司 | Polylactic acid composite material and preparation method and application thereof |
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