CN107868417A - A kind of bagasse PLA composites suitable for 3D printing and its preparation method and application - Google Patents
A kind of bagasse PLA composites suitable for 3D printing and its preparation method and application Download PDFInfo
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- CN107868417A CN107868417A CN201711048596.2A CN201711048596A CN107868417A CN 107868417 A CN107868417 A CN 107868417A CN 201711048596 A CN201711048596 A CN 201711048596A CN 107868417 A CN107868417 A CN 107868417A
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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
- 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
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of bagasse PLA composites suitable for 3D printing and its preparation method and application, and it is molded after being mixed by following weight than raw material by heat fusing expressing technique：5~15wt% bagasse powder, 85~95wt%PLA.The beneficial effects of the present invention are bagasse PLA composites bagasse being made suitable for 3D printing, for personalized 3D printing handicraft, tableware, packaging material etc., the purposes of bagasse can be expanded, realize twice laid.
Description
Technical field
The invention belongs to 3D printing technique field, more particularly, to a kind of bagasse-PLA composites suitable for 3D printing
And preparation method thereof.
Background technology
3D printing (3DP) is one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powder
Shape metal or plastics etc. can jointing material, come the technology of constructed object by way of successively printing.3D printing is typically to use
Digital technology file printing machine is realized.Often it is used for modeling in fields such as Making mold, industrial designs, it is rear gradually to use
In the direct manufacture of some products, there are the parts formed using the printing of this technology.The technology is in jewelry, footwear, work
Industry design, building, engineering and construction (AEC), automobile, Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, soil
Wood engineering, gun and other field have all been applied.
Relatively conventional 3D printing high polymer material mainly has on the market at present：PLA、PCL、PHA、PBS、PA、ABS、PC、
PS, POM, PVC etc..PLA (PLA) is as conventional 3D printing material, it is advantageous that without unpleasant peculiar smell during melting, and comes
Source is biological and can be degradable.
Bagasse is the fibroid residue of cane stalk of the sugarcane after broken and extract sugarcane juice, is the main pair of sugar industry
Product, it is renewable resource.About 1t bagasse will be produced by often producing 1t sucrose.Cellulose is in the composition of bagasse
32%~48%, hemicellulose 19%~24%, lignin 23%~32%, ash content about 4%.With going deep into for research, sugarcane
The comprehensive utilization of slag is increasingly taken seriously.If bagasse can be made to the bagasse-PLA composite woods suitable for 3D printing
Material, for personalized 3D printing handicraft, tableware, packaging material etc., can expand the purposes of bagasse, realize twice laid.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of bagasse-PLA suitable for 3D printing is compound
Material, its is environment friendly and pollution-free, realizes twice laid.
The present invention also provides the preparation method of above-mentioned composite, and its technique is simple and easy to control.
A further object of the invention is that above-mentioned composite is applied into 3D printing.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of bagasse-PLA composites suitable for 3D printing, it is characterised in that be made up of following weight than raw material：5~
15wt% bagasse powder, 85~95wt%PLA.
Preferably, the above-mentioned bagasse-PLA composites suitable for 3D printing are made up of following weight than raw material：10wt%
Bagasse powder, 90wt%PLA.
It is molded after described bagasse powder and PLA mixing by heat fusing expressing technique.
A kind of preparation method of bagasse-PLA composites suitable for 3D printing, comprises the following steps：
(1) by bagasse grind into powder；
(2) drying bagasse powder, water content is made to be down to 0.2%-0.5%；
(3) dried bagasse powder and PLA are mixed in proportion；
(4) raw material mixed is subjected to melting extrusion granulation, obtains composite particles；
(5) dry composite particle；
(6) composite particles are molded to obtain wire rod by being extruded and processed into monofilament, water cooling after drying；
(7) wire rod is rolled into hauling machine, and the size diameter of wire rod, setting are fixed by pulling force.
In described step (1), bagasse is ground into the mesh powder of 60 mesh -100 with flour mill.
In described step (2), bagasse powder is put into drying machine, dried 5 hours with 80 DEG C -100 DEG C of temperature
More than.
In described step (4), the raw material mixed is added into dual-screw pelletizer together, carries out melting extrusion granulation,
Extruding machine mold, flange and one~tetra- area's temperature range are 170-200 DEG C.
In described step (4), after the raw material of Screw Extrusion enters granulation die, fine strip shape is divided into, and by certainly
Cutting blade cuts into the composite particles that particle diameter is 0.1-0.2mm.
In described step (5), composite particles were put into plastic cement drying machine with 80 DEG C -100 DEG C dry 2-3 hours.
In described step (6), composite particles are added into extruder, are processed into monofilament, into 10 DEG C -15 DEG C of tank,
It is sufficiently cool to be molded to obtain wire rod.
After described step (7) wire rod setting, into two-wheel storage rack, buffering and storage pull out wire rod；Storage rack goes out
The wire rod come enters coil winder, and automatic winding is into finished product in drum.
The beneficial effects of the present invention are bagasse-PLA composites bagasse being made suitable for 3D printing, for individual
Property 3D printing handicraft, tableware, packaging material etc., can expand the purposes of bagasse, realize twice laid.
Embodiment
Bagasse-PLA the composites suitable for 3D printing of the present invention, are made up of following weight than raw material：5~15wt%
Bagasse powder, 85~95wt%PLA (PLA).Preferably, the above-mentioned bagasse-PLA composites suitable for 3D printing by
Following weight is formed than raw material：10wt% bagasse powder, 90wt%PLA.The composite is mixed by bagasse powder and PLA
It is molded after conjunction by heat fusing expressing technique.
The preparation method of the above-mentioned bagasse-PLA composites suitable for 3D printing, comprises the following steps：
(1) by bagasse grind into powder.Preferably, bagasse is ground into the mesh powder of 60 mesh -100 with flour mill.
(2) drying bagasse powder, water content is made to be down to 0.2%-0.5%.Preferably, bagasse powder is put into drying
In machine, dried more than 5 hours with 80 DEG C -100 DEG C of temperature.
(3) dried bagasse powder and PLA are mixed in proportion.Preferably, by dried bagasse powder
End and PLA are well mixed by high-speed mixer.
(4) raw material mixed is subjected to melting extrusion granulation, obtains composite particles.The raw material mixed is added together double
Screw pelletizer, carries out melting extrusion granulation, and extruding machine mold, flange and one~tetra- area's temperature range are 170-200 DEG C.From
After the raw material of Screw Extrusion enters granulation die, fine strip shape is divided into, and it is 0.1-0.2mm to cut into particle diameter by automatic blade
Composite particles.
(5) dry composite particle.Preferably, composite particles are put into plastic cement drying machine with 80 DEG C -100 DEG C dry 2-3
Hour.
(6) composite particles are molded to obtain wire rod by being extruded and processed into monofilament, water cooling after drying.Preferably, will be compound
Particle adds extruder, is processed into monofilament, sufficiently cool to be molded to obtain wire rod into 10 DEG C -15 DEG C of tank；
(7) wire rod is rolled into hauling machine, and the size diameter of wire rod, setting are fixed by pulling force.Described step
(7) after wire rod setting, into two-wheel storage rack, buffering and storage pull out wire rod；The wire rod that storage rack comes out enters coil winder,
Automatic winding is into finished product in drum.
When carrying out 3D printing with the composite of the present invention, using the 3D printer of routine, personalizable printing work
Skill product, tableware, packaging material etc..
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1
1) bagasse powder is ground into 60 mesh with flour mill；
2) bagasse powder is put into drying machine and dried more than 5 hours with 90 DEG C of temperature, be down to water content
0.2%-0.5%；
3) dried bagasse powder 5% and 95%PLA are well mixed by high-speed mixer；
4) raw material mixed is added into dual-screw pelletizer together, carries out melting extrusion granulation, extruder each several part temperature
Spend for 189 DEG C of mould, 191 DEG C of flange, 191 DEG C of 4th area, 188 DEG C of 3rd area, 186 DEG C of 2nd area, 178 DEG C of an area；
5) after the raw material of Screw Extrusion enters granulation die, fine strip shape is divided into, and by automatic blade fly-cutting
Into the composite particles that particle diameter is 0.1-0.2mm；
6) composite particles were put into plastic cement drying machine with 90 DEG C of dry 2-3 hours；
7) composite particles are added into extruder, is processed into monofilament, into 10 DEG C -15 DEG C of the tank for having frozen water, fully
It is cooled and shaped to obtain wire rod；
8) wire rod is rolled into hauling machine, and the size diameter of wire rod is fixed by pulling force；
9) hauling machine comes out the wire rod of afterboarding, and into two-wheel storage rack, buffering and storage pull out wire rod；Storage rack goes out
The wire rod come enters coil winder, and automatic winding is into finished product in drum.
Embodiment 2
1) bagasse powder is ground into 80 mesh with flour mill；
2) bagasse powder is put into drying machine and dried more than 5 hours with 90 DEG C of temperature, be down to water content
0.2%-0.5%；
3) dried bagasse powder 7% and 93%PLA are well mixed by high-speed mixer；
4) raw material mixed is added into dual-screw pelletizer together, carries out melting extrusion granulation, extruder each several part temperature
Spend for 188 DEG C of mould, 190 DEG C of flange, 191 DEG C of 4th area, 189 DEG C of 3rd area, 185 DEG C of 2nd area, 179 DEG C of an area；
5) after the raw material of Screw Extrusion enters granulation die, fine strip shape is divided into, and by automatic blade fly-cutting
Into the composite particles that particle diameter is 0.1-0.2mm；
6) composite particles were put into plastic cement drying machine with 90 DEG C of dry 2-3 hours；
7) composite particles are added into extruder, is processed into monofilament, into 10 DEG C -15 DEG C of the tank for having frozen water, fully
It is cooled and shaped to obtain wire rod；
8) wire rod is rolled into hauling machine, and the size diameter of wire rod is fixed by pulling force；
9) hauling machine comes out the wire rod of afterboarding, and into two-wheel storage rack, buffering and storage pull out wire rod；
The wire rod that storage rack comes out enters coil winder, and automatic winding is into finished product in drum.
Embodiment 3
1) bagasse powder is ground into 100 mesh with flour mill；
2) bagasse powder is put into drying machine and dried more than 5 hours with 100 DEG C of temperature, be down to water content
0.2%-0.5%；
3) dried bagasse powder 10% and 90%PLA are well mixed by high-speed mixer；
4) raw material mixed is added into dual-screw pelletizer together, carries out melting extrusion granulation, extruder each several part temperature
Spend for 190 DEG C of mould, 191 DEG C of flange, 191 DEG C of 4th area, 189 DEG C of 3rd area, 186 DEG C of 2nd area, 179 DEG C of an area；
5) after the raw material of Screw Extrusion enters granulation die, fine strip shape is divided into, and by automatic blade fly-cutting
Into the composite particles that particle diameter is 0.1-0.2mm；
6) composite particles were put into plastic cement drying machine with 100 DEG C of dry 2-3 hours；
7) composite particles are added into extruder, is processed into monofilament, into 10 DEG C -15 DEG C of the tank for having frozen water, fully
It is cooled and shaped to obtain wire rod；
8) wire rod is rolled into hauling machine, and the size diameter of wire rod is fixed by pulling force；
9) hauling machine comes out the wire rod of afterboarding, and into two-wheel storage rack, buffering and storage pull out wire rod；
The wire rod that storage rack comes out enters coil winder, and automatic winding is into finished product in drum.
Claims (10)
1. a kind of bagasse-PLA composites suitable for 3D printing, it is characterised in that be made up of following weight than raw material：5~
15wt% bagasse powder, 85~95wt%PLA.
2. bagasse-PLA the composites according to claim 1 suitable for 3D printing, it is characterised in that by following weight
Formed than raw material：10wt% bagasse powder, 90wt%PLA.
3. bagasse-PLA the composites according to claim 1 or 2 suitable for 3D printing, it is characterised in that：Described
It is molded after bagasse powder and PLA mixing by heat fusing expressing technique.
4. a kind of preparation method of bagasse-PLA composites suitable for 3D printing, comprises the following steps：
(1) by bagasse grind into powder；
(2) drying bagasse powder, water content is made to be down to 0.2%-0.5%；
(3) dried bagasse powder and PLA are mixed in proportion；
(4) raw material mixed is subjected to melting extrusion granulation, obtains composite particles；
(5) dry composite particle；
(6) composite particles are molded to obtain wire rod by being extruded and processed into monofilament, water cooling after drying；
(7) wire rod is rolled into hauling machine, and the size diameter of wire rod, setting are fixed by pulling force.
5. the preparation method of the bagasse-PLA composites according to claim 4 suitable for 3D printing, it is characterised in that：
In described step (1), bagasse is ground into the mesh powder of 60 mesh -100 with flour mill.
6. the preparation method of the bagasse-PLA composites according to claim 4 suitable for 3D printing, it is characterised in that：
In described step (2), bagasse powder is put into drying machine, dried more than 5 hours with 80 DEG C -100 DEG C of temperature.
7. the preparation method of the bagasse-PLA composites according to claim 4 suitable for 3D printing, it is characterised in that：
In described step (4), the raw material mixed is added into dual-screw pelletizer together, carries out melting extrusion granulation, extruder die
Tool, flange and one~tetra- area's temperature range are 170-200 DEG C.
8. the preparation method of the bagasse-PLA composites according to claim 4 suitable for 3D printing, it is characterised in that：
In described step (5), composite particles were put into plastic cement drying machine with 80 DEG C -100 DEG C dry 2-3 hours.
9. the preparation method of the bagasse-PLA composites according to claim 4 suitable for 3D printing, it is characterised in that：
In described step (6), composite particles are added into extruder, are processed into monofilament, it is sufficiently cool into 10 DEG C -15 DEG C of tank
It is molded to obtain wire rod.
10. composite described in claim 1-3 is applied to 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048596.2A CN107868417A (en) | 2017-10-31 | 2017-10-31 | A kind of bagasse PLA composites suitable for 3D printing and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048596.2A CN107868417A (en) | 2017-10-31 | 2017-10-31 | A kind of bagasse PLA composites suitable for 3D printing and its preparation method and application |
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| CN107868417A true CN107868417A (en) | 2018-04-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410826A (en) * | 2020-03-09 | 2020-07-14 | 泉州市华创园智能研究有限公司 | Degradable antibacterial environment-friendly straw and preparation method thereof |
| US20200253403A1 (en) * | 2018-07-16 | 2020-08-13 | Chien-Chung Huang | Biodegradable Drinking Straw |
| CN112063134A (en) * | 2019-06-11 | 2020-12-11 | 南通理工学院 | Biomass composite material FDM-3D printing forming process |
| CN113801447A (en) * | 2021-09-29 | 2021-12-17 | 广西大学 | Preparation method of toughened and reinforced polylactic acid composite material |
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| CN101020781A (en) * | 2007-04-02 | 2007-08-22 | 中国科学院长春应用化学研究所 | Heat resistant polylactic acid-base composite material and its prepn process |
| CN101962483A (en) * | 2010-09-01 | 2011-02-02 | 孟庆雄 | Composition material formed by natural cellulose and synthetic resin or polylactic acid |
| CN105907069A (en) * | 2016-07-06 | 2016-08-31 | 威海两岸环保新材料科技有限公司 | Plant powder modified polylactic acid 3d printing material and preparation method thereof |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020781A (en) * | 2007-04-02 | 2007-08-22 | 中国科学院长春应用化学研究所 | Heat resistant polylactic acid-base composite material and its prepn process |
| CN101962483A (en) * | 2010-09-01 | 2011-02-02 | 孟庆雄 | Composition material formed by natural cellulose and synthetic resin or polylactic acid |
| CN105907069A (en) * | 2016-07-06 | 2016-08-31 | 威海两岸环保新材料科技有限公司 | Plant powder modified polylactic acid 3d printing material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200253403A1 (en) * | 2018-07-16 | 2020-08-13 | Chien-Chung Huang | Biodegradable Drinking Straw |
| CN112063134A (en) * | 2019-06-11 | 2020-12-11 | 南通理工学院 | Biomass composite material FDM-3D printing forming process |
| CN111410826A (en) * | 2020-03-09 | 2020-07-14 | 泉州市华创园智能研究有限公司 | Degradable antibacterial environment-friendly straw and preparation method thereof |
| CN113801447A (en) * | 2021-09-29 | 2021-12-17 | 广西大学 | Preparation method of toughened and reinforced polylactic acid composite material |
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Application publication date: 20180403 |
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