CN106700458A - 3D printing environment-friendly material and preparation method thereof - Google Patents
3D printing environment-friendly material and preparation method thereof Download PDFInfo
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- CN106700458A CN106700458A CN201510781986.5A CN201510781986A CN106700458A CN 106700458 A CN106700458 A CN 106700458A CN 201510781986 A CN201510781986 A CN 201510781986A CN 106700458 A CN106700458 A CN 106700458A
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Abstract
The invention provides a 3D printing environment-friendly material and a preparation method thereof. The 3D printing environment-friendly material is characterized by comprising the following components in parts by mass: 50-100 parts of PLA (polylactic acid), 8-15 parts of UHMWPE (ultra high molecular weight polyethylene), 10-12 parts of wood flour, 2-5 parts of a compatilizer, 2-4 parts of a coupling agent, 2-4 parts of a lubricant, 2-3 parts of glass beads and 1-2 parts of white masterbatch. The 3D printing environment-friendly material is low-carbon and environment-friendly, can be completely circulated, recycled and reused, has the natural friendliness of wood, has natural wooden fragrance when being used, is good in size stability, is free of hole blocking or warping and is low in processing condition requirement; in addition, a product made of the material is relatively good in physical mechanical property, acid-base resistance, worm damage prevention and weather resistance such as good ultraviolet ray resistance.
Description
Technical field
The present invention relates to a kind of 3D printing consumptive material, specially 3D printing is prepared with environment-friendly materials.
Background technology
3D printing technique occurs having more than 20 years history so far, and the technology is based on discrete dynamics models principle, is a kind of advanced increases material manufacturing technology.Current existing 3D printing consumptive material is mainly the materials such as single PLA, ABS, PVA, but above material has the limitation of itself, and the relatively costly of PLA material, material are easy for deformation, easy occluding device nozzle more than 55 DEG C；ABS material is more sensitive to temperature and shear rate, and smell is heavy in process, yielding and weatherability is poor；And PVA water-soluble materials are mainly used in printing support type material, consumption is few, and can produce toxic gas during PVA decomposition.In a word, widely used 3D printing consumptive material has the shortcomings that price high, high energy consumption, complicated harsh, the difficult shaping of processing conditions requirement, easy fracture in the market.
Therefore, need to find a kind of 3D printing consumptive material, it is not only cheap, green low-carbon environment-friendly, good stability of the dimension, intensity are high, there is process in not plug-hole, not fracture of wire, without buckling deformation, and the product for being produced has preferable physical and mechanical properties and weatherability.
The content of the invention
For the problems of above-mentioned prior art, it is cheap it is an object of the invention to provide one kind, low-carbon environment-friendly, very circulation and stress can recycle, can be produced when the natural friendliness with timber, printing natural wood aromatic odor, good stability of the dimension, not plug-hole, non-warpage, processing conditions requirement it is low, and product 3D printing consumptive material of weatherability and preparation method thereof such as have preferable physical and mechanical properties and acid and alkali-resistance, Anti-moth-eating, ultraviolet-resistent property ability strong.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
One kind is used for 3D printing environment-friendly materials, it is characterised in that the component of the composite and the mass fraction of each component are as follows：PLA 50-100 parts；UHMWPE 8-15 parts；Wood powder 10-12 parts；Compatilizer 2-5 parts；Coupling agent 2-4 parts；Lubricant 2-4 parts；Glass microballoon 2-3 parts；White 1-2 parts of mother.
Further, described PLA is the PLA of melt index 2-8.
Further, described wood powder particle diameter is 80-200 mesh.
Further, described compatilizer is that maleic anhydride is grafted PLA compatilizers；Described coupling agent is the one kind in silane coupler；Described lubricant is the mixture of two or more in paraffin, Tissuemat E, ethylene bis stearic acid amide, ethene-acrylic copolymer, stearic acid, zinc stearate；Described toughener is poly- (hexanedioic acid-succinic acid) butanediol copolyester.
Present invention also offers a kind of preparation method for 3D printing environment-friendly materials, it is characterised in that the method is comprised the following steps that：
1) wood powder is put into microwave dryer and is dried more than 6 hours with 70 DEG C -80 DEG C of temperature, its water content is down to less than 1%；
2) wood powder that will be dried to obtain, glass microballoon, coupling agent carry out activation process in being added to high-speed mixer, are sufficiently mixed 5-10 minutes, obtain mixture；
3) mixture that will be obtained in step 2 is added in duoble cone-type blender and mixes 50 minutes to being uniformly dispersed with PLA, compatilizer, lubricant, glass microballoon, white mother, obtains premix；
4) being added to well mixed premix carries out extruding pelletization in planetary-screw comminutor, wherein planetary-screw comminutor barrel heat temperature in each area from charge door to head is followed successively by：One 155 DEG C -160 DEG C of area, 160 DEG C -175 DEG C of 2nd area, 175 DEG C -180 DEG C of 3rd area, 160 DEG C -170 DEG C of 4th area；
5) particulate material obtained in step 4 is added to the extrusion wire drawing of 3D printing production line, controls a diameter of 1.75mm of silk material.Wherein charge door is followed successively by the barrel heat temperature in each area of head：One 140 DEG C -150 DEG C of area, 2 150 DEG C -170 DEG C, 170 DEG C -180 DEG C of 3rd area, 160 DEG C -170 DEG C of 4th area；
Bio-based environment-friendly materials for 3D printing of the invention and preparation method thereof have advantages below：
1) add wood powder to cause the characteristics of product has timber, the i.e. fragrance with timber in component, can follow closely, can bore, can dig, can japanning；
2) in composite preparation process, according to the physical property of different component, select different mixing apparatus to be mixed at twice, be conducive to the surface active of wood powder and inorganic matter, improve the interface compatibility of material；
3) extruding pelletization of material is carried out using planetary-screw comminutor, the dispersion of material evenly, is plastified more abundant such that it is able to obtain homogeneous feed particulate material in planetary-screw comminutor.
Specific embodiment
Embodiment one
10 part of 100 wood powder of mesh is weighed by mass fraction, is put into microwave dryer and is dried 6 hours with 70 DEG C of temperature, its water content is down to 1%；10 parts of wood powders, 8 parts of the UHMWPE that will be dried to obtain；4 parts of silane couplers carry out activation process in being added to high-speed mixer, are sufficiently mixed 10 minutes, obtain mixture；Lubricant that PLA that said mixture, melt index are 5,5 parts of maleic anhydrides grafting PLA compatilizers, 2 parts of Tissuemat Es and the double stearic acid phthalein amine of ethylene are mixed, 2 parts of poly- (succinic acid of hexanedioic acid one) butanediol copolyester toughener are added to mixing in duoble cone-type blender and obtain premix to being uniformly dispersed in 50 minutes；Well mixed premix is added to carries out extruding pelletization in planetary-screw comminutor, wherein planetary-screw comminutor barrel heat temperature in each area from charge door to head is followed successively by：One 155 DEG C -160 DEG C of area, 160 DEG C -175 DEG C of 2nd area, 175 DEG C -180 DEG C of 3rd area, 160 DEG C -170 DEG C of 4th area；Particulate material obtained above is carried out into extrusion wire drawing, a diameter of 1.75mm of silk material is controlled；Wherein charge door is followed successively by the barrel heat temperature in each area of head：One 140 DEG C -150 DEG C of area, 2 150 DEG C -170 DEG C, 170 DEG C -180 DEG C of 3rd area, 160 DEG C -170 DEG C of 4th area；The silk material is wound into finished product after tank is cooled down into coil winder.
Claims (5)
1. a kind of 3D printing environment-friendly materials and preparation method thereof, it is characterised in that the component of the composite and the mass fraction of each component are as follows：PLA
50-100 parts；UHMWPE8-15 parts；Wood powder 10-12 parts；Compatilizer 2-5 parts；Coupling agent 2-4 parts；Lubricant 2-4 parts；Glass microballoon 2-3 parts；White 1-2 parts of mother.
2. according to claim 1 for 3D printing environment-friendly materials, it is characterised in that：Described PLA is the PLA of melt index 2-8.
3. according to claim 1 for 3D printing environment-friendly materials, it is characterised in that：Described wood powder particle diameter is 80-200 mesh.
4. according to claim 1 for 3D printing environment-friendly materials, it is characterised in that：Described compatilizer is that maleic anhydride is grafted PLA compatilizers；Described coupling agent is the one kind in silane coupler；Described lubricant is the mixture of two or more in paraffin, Tissuemat E, ethylene bis stearic acid amide, ethene-olefin(e) acid copolymer, stearic acid, zinc stearate.
5. the preparation method for 3D printing environment-friendly materials according to any one of claim 1-4, it is characterised in that the method is comprised the following steps that：
1) wood powder is put into microwave dryer and is dried more than 6 hours with 70 DEG C -80 DEG C of temperature, its water content is down to less than 1%；
2) wood powder that will be dried to obtain, coupling agent carry out activation process in being added to high-speed mixer, are sufficiently mixed 5-10 minutes, obtain mixture；
3) mixture that will be obtained in step 2 is added in duoble cone-type blender and mixes 50 minutes to being uniformly dispersed with PLA, compatilizer, lubricant, glass microballoon, white mother, obtains premix；
4) being added to well mixed premix carries out extruding pelletization in planetary-screw comminutor, wherein planetary-screw comminutor barrel heat temperature in each area from charge door to head is followed successively by：One 155 DEG C -160 DEG C of area, 160 DEG C -175 DEG C of 2nd area, 175 DEG C -180 DEG C of 3rd area, 160 DEG C -170 DEG C of 4th area；
5) particulate material obtained in step 4 is added into the extrusion wire drawing of 3D printing production line, controls a diameter of 1.75mm of silk material, wherein charge door to be followed successively by the barrel heat temperature in each area of head：One 140 DEG C -150 DEG C of area, 2 150 DEG C -170 DEG C, 170 DEG C -180 DEG C of 3rd area, 160 DEG C -170 DEG C of 4th area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510781986.5A CN106700458A (en) | 2015-11-16 | 2015-11-16 | 3D printing environment-friendly material and preparation method thereof |
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| CN201510781986.5A CN106700458A (en) | 2015-11-16 | 2015-11-16 | 3D printing environment-friendly material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189161A (en) * | 2017-06-26 | 2017-09-22 | 苏昭缄 | It is a kind of for metallic composite of 3D printing and preparation method thereof |
| CN110240790A (en) * | 2018-03-09 | 2019-09-17 | 中国石油化工股份有限公司 | 3D printing colour wood moulding consumptive material composition and the preparation method and application thereof |
-
2015
- 2015-11-16 CN CN201510781986.5A patent/CN106700458A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189161A (en) * | 2017-06-26 | 2017-09-22 | 苏昭缄 | It is a kind of for metallic composite of 3D printing and preparation method thereof |
| CN110240790A (en) * | 2018-03-09 | 2019-09-17 | 中国石油化工股份有限公司 | 3D printing colour wood moulding consumptive material composition and the preparation method and application thereof |
| CN110240790B (en) * | 2018-03-09 | 2021-07-20 | 中国石油化工股份有限公司 | 3D printing color wood-plastic consumable composition and preparation method and application thereof |
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Application publication date: 20170524 |