CN109135224A - A kind of 3D printing enhancing consumptive material and preparation method thereof - Google Patents
A kind of 3D printing enhancing consumptive material and preparation method thereof Download PDFInfo
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- CN109135224A CN109135224A CN201810871106.7A CN201810871106A CN109135224A CN 109135224 A CN109135224 A CN 109135224A CN 201810871106 A CN201810871106 A CN 201810871106A CN 109135224 A CN109135224 A CN 109135224A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
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- Medicinal Chemistry (AREA)
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Abstract
The present invention is suitable for the technical field of 3D printing consumptive material, disclose a kind of 3D printing enhancing consumptive material, as unit of parts by weight, including following raw material: 100~110 parts of polylactic acid master batch, 10~40 parts of carbon fiber powder, 10~50 parts of aramid fiber powder, 30~40 parts of phosphoric acid solution, 40~50 parts of silane coupling agent, 10~15 parts of odium stearate.Carbon fiber and aramid fiber mechanical property are good, reinforcing effect is significant, the present invention prepares the compound consumptive material of fiber reinforcement polylactic acid using carbon fiber and aramid fiber powder, by being modified to fiber dust, improve the combination effect of fiber and polylactic acid base, it does not need to carry out existing 3D printer any transformation, short fiber reinforced is added in consumptive material preparatory phase, improve the mechanical property of 3D printing product, preparation method is proposed also directed to 3D printing enhancing consumptive material, guarantee to squeeze out the consumptive material for meeting 3D printing requirement, extend the application range of 3D printing technique and product.
Description
[technical field]
The present invention relates to the technical field of 3D printing consumptive material, in particular to a kind of 3D printing enhancing consumptive material and its preparation side
Method.
[background technique]
3D printing is successively to increase material according to designed 3D model by 3D printing equipment and manufacture three-dimensional objects
Technology, the technology of this layer-by-layer accumulation molding are otherwise known as increasing material manufacturing, and 3D printing technique combines digital modeling techniques, electromechanics
The cutting edge technology of the numerous areas such as control technology, software information technology, material science and chemical industry is the one of rapid shaping technique
Kind, it is known as " core technology of the third time industrial revolution ".Compared with traditional manufacturing technology, 3D printing has stock utilization
The advantages that height, molding is fast, and precision is high, flexible design.3D printing technique has very high processing flexibility and cracking market respond
Speed has good application in fields such as industrial building, clothes, art, space flight, military affairs.It is passed although 3D printing technique has
System fabricates incomparable advantage, but 3D printing technique, there is also disadvantage, material is the master for limiting 3D printing technique development
Want factor.For popularizing the consumptive materials such as PLA and ABS used in most wide fusion sediment (FDM) 3D printing technique at present, exists and beat
The poor disadvantage of printed document mechanical property limits the application and development of 3D printing technique and product.
Fibre reinforced composites have excellent mechanical property, can be realized the manufacture of lightweight, high performance structures, are mesh
A kind of composite material of preceding research and application at most.Reinforcing fiber is added in 3D printing consumptive material, 3D printing can not only be improved
The performance of product, and 3D printing flexible design can be made full use of, molding is very fast, the advantage of simple process, is fiber reinforcement
Unsaturated-resin based composites provide a kind of preparation method of high efficient and flexible.
Using fiber reinforcement 3D printing product, at present there are mainly two types of mode, one is after consumptive material forms, in 3D printing
When, consumptive material and fiber are fed from same feeding mouth, the two squeezes out printing from nozzle to platform jointly;Another kind is to prepare
When 3D printing consumptive material, high performance staple fiber powder is blended with the master batch of preparation 3D printing consumptive material, melts, squeeze out, prepares fiber
Enhance compound 3D printing consumptive material.By the way of feeding fiber and consumptive material jointly, need soft to 3D printing device and 3D printing
Part control carries out certain adjustment, and difficulty is larger, and there are no can add fiber and original 3D printing consumptive material currently on the market
The FDM3D printer printed jointly.In order to solve problem above, the present invention takes the preparation staple fiber powder enhancing compound consumption of 3D printing
The mode of material does not need to carry out existing 3D printer any transformation, and short fiber reinforced is added in consumptive material preparatory phase, mentions
The high mechanical property of 3D printing product, extends the application range of 3D printing technique and product.
[summary of the invention]
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of 3D printing enhancing consumptive material and its preparation are provided
Method is intended to expand the application model of 3D printing technique and product, solves fusion sediment (FDM) 3D printing product in the prior art
The poor technical problem of mechanical property.
To achieve the above object, the invention proposes a kind of 3D printings to enhance consumptive material, it is characterised in that: with parts by weight for singly
Position, including following raw material:
Preferably, as unit of parts by weight, including following raw material: 100 parts of polylactic acid master batch;15 parts of carbon fiber powder;
15 parts of aramid fiber powder;30 parts of phosphoric acid solution;40 parts of silane coupling agent;10 parts of odium stearate.
Preferably, as unit of parts by weight, including following raw material: 105 parts of polylactic acid master batch;10 parts of carbon fiber powder;
20 parts of aramid fiber powder;35 parts of phosphoric acid solution;45 parts of silane coupling agent;12 parts of odium stearate.
Preferably, as unit of parts by weight, including following raw material: 110 parts of polylactic acid master batch;20 parts of carbon fiber powder;
10 parts of aramid fiber powder;40 parts of phosphoric acid solution;50 parts of silane coupling agent;15 parts of odium stearate.
Preferably, the trade mark that the polylactic acid master batch uses U.S. NatureWorks to produce is female for the PLA of 4032D
Grain.
Preferably, the fineness of the carbon fiber powder is 300 mesh, diameter is 7 microns;The fineness of aramid fiber powder
It is 9 microns for 600 mesh, diameter.
Preferably, the silane coupling agent uses KH-560 silane coupling agent.
The invention also provides a kind of preparation methods of 3D printing enhancing consumptive material, include the following steps:
The first step, using silane coupling agent under the conditions of 50~60 DEG C to short to the carbon fiber fine and short fibre of aramid fiber respectively
It is modified processing, then, the short fibre of aramid fiber is continued to be modified processing under the conditions of 50~60 DEG C using phosphoric acid solution;
The short fine and short fibre of aramid fiber of carbon fiber is taken out after second step, modification to be put into drying box and place is dried
Reason;
Carbon fiber after drying short fine and the short fibre of aramid fiber, polylactic acid master batch, odium stearate are mixed into Chinese medicine by third step
Physical blending in pulverizer;
Raw material after blending is added twin-screw extrude melting extrusion by the 4th step.
Preferably, carbon fiber short fine and the short fibre of aramid fiber modification total time is in the first step
1h;The temperature setting of drying box is 80 DEG C in the second step, drying time 5h;In the third step when physical blending
Between be 3min.
Preferably, double screw extruder uses SJZS-10A type double screw extruder, twin-screw in the 4th step
The temperature setting in each area of extruder is 160~170 DEG C, 160~180 DEG C, 160~180 DEG C, 160~180 DEG C, and screw speed is
30~40r/min, rate of feeding are 10~20r/min, and the extruder die internal diameter of the double screw extruder is 1.75mm,
Outer diameter is 7.1mm.
Beneficial effects of the present invention: compared with prior art, a kind of 3D printing enhancing consumptive material provided by the invention, high-performance
Fiber mainly has carbon fiber, glass fibre, aramid fiber etc., and carbon fiber and aramid fiber mechanical property are good, and reinforcing effect is significant,
The present invention prepares the compound consumptive material of fiber reinforcement polylactic acid using carbon fiber powder and aramid fiber powder, by fiber dust into
Row is modified, and improves the combination effect of fiber and polylactic acid base, is improved the comprehensive mechanical property of 3D printing product, is not needed to existing
3D printer carry out any transformation, consumptive material preparatory phase be added fiber dust enhancing, improve the power of 3D printing product
Performance is learned, proposes preparation method also directed to 3D printing enhancing consumptive material, and in order to prepare the consumption for meeting 3D printing size
Material manufactures and designs specific extruder die, guarantees to squeeze out and meets the consumptive material of 3D printing requirement, extension 3D printing technique and
The application range of product.
Feature and advantage of the invention will be described in detail by embodiment.
[specific embodiment]
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by embodiment, to the present invention into
Row is further described.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
In limiting the scope of the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid need not
Obscure idea of the invention in strategic point.
Embodiment 1,
The preparation method for a kind of 3D printing enhancing consumptive material that the embodiment of the present invention proposes, firstly, utilizing chemical reagent silane
40 parts of coupling agent under the conditions of 50 DEG C fine 30 parts short to carbon fiber be modified processing, the modification time is 1h;Modification
The taking-up short fibre of carbon fiber, which is put into 80 DEG C of drying boxes, afterwards is dried, drying time 5h;Then, by the carbon fiber after drying
Tie up short fibre, 100 parts of polylactic acid master batch, 10 parts of odium stearate be mixed into physical blending 3min in medicinal herb grinder;After being finally blended
Raw material be added melting extrusion in SJZS-10A type double screw extruder, the temperature setting in each area of double screw extruder is 165 DEG C,
170 DEG C, 170 DEG C, 175 DEG C, screw speed 35r/min, rate of feeding 15r/min meet 3D printing ruler to prepare
Very little consumptive material, manufactures and designs specific extruder die, and extruder die internal diameter is 1.75mm, outer diameter 7.1mm.
Embodiment 2,
A kind of preparation method for 3D printing enhancing consumptive material that the embodiment of the present invention proposes, it is even first with chemical reagent silane
40 parts of agent of connection is modified processing for fine 40 parts short to aramid fiber under the conditions of 50 DEG C, takes after the completion of silane coupler modified processing
The short fibre of aramid fiber out, then continue to be modified processing to the short fibre of aramid fiber under the conditions of 60 DEG C with 30 parts of phosphoric acid solution, always
The modification time is 1h;The taking-up short fibre of aramid fiber, which is put into 80 DEG C of drying boxes, after modification is dried, dry
Time is 5h;Then the short fibre of the aramid fiber after drying, 100 parts of polylactic acid master batch, 10 parts of odium stearate Chinese medicine is mixed into crush
Physical blending 3min in machine;Finally, melting extrusion in SJZS-10A type double screw extruder, double spiral shells are added in the raw material after blending
The temperature setting in each area of bar extruder is 165 DEG C, 170 DEG C, 170 DEG C, 175 DEG C, and screw speed 35r/min, rate of feeding is
15r/min manufactures and designs specific extruder die to prepare the consumptive material for meeting 3D printing size, in extruder die
Diameter is 1.75mm, outer diameter 7.1mm.
Embodiment 3,
A kind of preparation method for 3D printing enhancing consumptive material that the embodiment of the present invention proposes, it is even first with chemical reagent silane
Connection 40 parts of agent fine 15 parts short to carbon fiber under the conditions of 50 DEG C, short fine 15 parts of aramid fiber be modified processing, aramid fiber is short
Fibre using taking out the short fibre of aramid fiber after the completion of silane coupler modified processing, then with 30 parts of phosphoric acid solution under the conditions of 60 DEG C after
Continuous to be modified processing to the short fibre of aramid fiber, carbon fiber short fine and the short fibre of aramid fiber total modification time is 1h;
Take out that carbon fiber is short fine and the short fibre of aramid fiber is put into 80 DEG C of drying boxes and is dried after modification, drying time is
5h;Then the short fibre of the carbon fiber after drying, the short fibre of aramid fiber, 100 parts of polylactic acid master batch, 10 parts of odium stearate are mixed into Chinese medicine
Physical blending 3min in pulverizer;Finally, melting extrusion in SJZS-10A type double screw extruder is added in the raw material after blending,
The temperature setting in each area of double screw extruder is 165 DEG C, 170 DEG C, 170 DEG C, 175 DEG C, screw speed 35r/min, feeding speed
Degree manufactures and designs specific extruder die, extruder die for 15r/min in order to prepare the consumptive material for meeting 3D printing size
Mouth internal diameter is 1.75mm, outer diameter 7.1mm.
By increasing the type of reinforcing fiber, the selection range of raw material is improved, moreover it is possible to reduce production cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of 3D printing enhances consumptive material, it is characterised in that: as unit of parts by weight, including following raw material:
2. a kind of 3D printing as described in claim 1 enhances consumptive material, it is characterised in that: as unit of parts by weight, including it is following
Raw material: 100 parts of polylactic acid master batch;15 parts of carbon fiber powder;15 parts of aramid fiber powder;30 parts of phosphoric acid solution;Silane coupling agent
40 parts;10 parts of odium stearate.
3. a kind of 3D printing as described in claim 1 enhances consumptive material, it is characterised in that: as unit of parts by weight, including it is following
Raw material: 105 parts of polylactic acid master batch;10 parts of carbon fiber powder;20 parts of aramid fiber powder;35 parts of phosphoric acid solution;Silane coupling agent
45 parts;12 parts of odium stearate.
4. a kind of 3D printing as described in claim 1 enhances consumptive material, it is characterised in that: as unit of parts by weight, including it is following
Raw material: 110 parts of polylactic acid master batch;20 parts of carbon fiber powder;10 parts of aramid fiber powder;40 parts of phosphoric acid solution;Silane coupling agent
50 parts;15 parts of odium stearate.
5. a kind of 3D printing as described in Claims 1-4 any one enhances consumptive material, it is characterised in that: the polylactic acid
The trade mark that master batch uses U.S. NatureWorks to produce is the PLA master batch of 4032D.
6. a kind of 3D printing as described in Claims 1-4 any one enhances consumptive material, it is characterised in that: the carbon fiber
The fineness of powder is 300 mesh, diameter is 7 microns;The fineness of aramid fiber powder is 600 mesh, diameter is 9 microns.
7. a kind of 3D printing as described in Claims 1-4 any one enhances consumptive material, it is characterised in that: the silane is even
Join agent and uses KH-560 silane coupling agent.
8. a kind of preparation method of 3D printing enhancing consumptive material, characterized by the following steps:
The first step carries out the short fibre of fine and aramid fiber short to carbon fiber respectively under the conditions of 50~60 DEG C using silane coupling agent
Modification then continues the short fibre of aramid fiber to be modified processing under the conditions of 50~60 DEG C using phosphoric acid solution;
The short fine and short fibre of aramid fiber of carbon fiber is taken out after second step, modification to be put into drying box and be dried;
Carbon fiber after drying short fine and the short fibre of aramid fiber, polylactic acid master batch, odium stearate are mixed into Chinese medicine crushing by third step
Physical blending in machine;
Raw material after blending is added twin-screw extrude melting extrusion by the 4th step.
9. a kind of preparation method of 3D printing enhancing consumptive material as claimed in claim 8, it is characterised in that: in the first step
Carbon fiber short fine and the short fibre of aramid fiber modification total time is 1h;The temperature setting of drying box in the second step
It is 80 DEG C, drying time 5h;The physical blending time is 3min in the third step.
10. a kind of preparation method of 3D printing enhancing consumptive material as claimed in claim 8, it is characterised in that: the 4th step
Middle double screw extruder uses SJZS-10A type double screw extruder, and the temperature setting in each area of double screw extruder is 160~170
DEG C, 160~180 DEG C, 160~180 DEG C, 160~180 DEG C, screw speed be 30~40r/min, rate of feeding be 10~20r/
Min, the extruder die internal diameter of the double screw extruder are 1.75mm, outer diameter 7.1mm.
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CN201810871106.7A CN109135224A (en) | 2018-08-02 | 2018-08-02 | A kind of 3D printing enhancing consumptive material and preparation method thereof |
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CN201810871106.7A CN109135224A (en) | 2018-08-02 | 2018-08-02 | A kind of 3D printing enhancing consumptive material and preparation method thereof |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106751379A (en) * | 2016-11-23 | 2017-05-31 | 中国科学院化学研究所 | Product prepared by a kind of fused glass pellet technique and preparation method thereof |
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2018
- 2018-08-02 CN CN201810871106.7A patent/CN109135224A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106751379A (en) * | 2016-11-23 | 2017-05-31 | 中国科学院化学研究所 | Product prepared by a kind of fused glass pellet technique and preparation method thereof |
Non-Patent Citations (3)
Title |
---|
刘晓军等: "3D打印碳纤维增强PLA试件的力学性能分析", 《塑料》 * |
张曼: "磷酸处理法和氧等离子体法改性芳纶纤维的机理探讨", 《化工新型材料》 * |
王文广: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
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