CN107304286A - 3D prints material - Google Patents

3D prints material Download PDF

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Publication number
CN107304286A
CN107304286A CN201610255572.3A CN201610255572A CN107304286A CN 107304286 A CN107304286 A CN 107304286A CN 201610255572 A CN201610255572 A CN 201610255572A CN 107304286 A CN107304286 A CN 107304286A
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CN
China
Prior art keywords
prints
polylactic resin
wood powder
agent
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610255572.3A
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Chinese (zh)
Inventor
张莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitac Precision Technology Kunshan Ltd
Original Assignee
Mitac Precision Technology Kunshan Ltd
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Filing date
Publication date
Application filed by Mitac Precision Technology Kunshan Ltd filed Critical Mitac Precision Technology Kunshan Ltd
Priority to CN201610255572.3A priority Critical patent/CN107304286A/en
Publication of CN107304286A publication Critical patent/CN107304286A/en
Pending legal-status Critical Current

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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
    • 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
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • 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
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • 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
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • 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)

Abstract

The invention belongs to field of material technology, and in particular to a kind of 3D prints material.The 3D prints material, and it represents to include by weight：50 95 parts of polylactic resin；1 30 parts of wood powder；0.5 20 parts of lubricant；Impact 1 20 parts of modification agent；0.1 20 parts of antioxidant；0 20 parts of compatilizer.The 3D of the present invention prints material, by adding the components such as wood powder in polylactic resin, then 3D is made using modification technology to print material, the 3D prints material for a kind of quality-high and inexpensive, biodegradable material of prining, 3D materials of prining may be directly applied to during 3D prints, the product for making 3D print out is not only environmentally friendly, and also with the banksia rose, cost is reduced again.

Description

3D prints material
【Technical field】
The invention belongs to field of material technology, and in particular to a kind of 3D prints material.
【Background technology】
The 3D technologies of prining are to rely on that information technology, precision optical machinery and material science etc. are multidisciplinary to grow up Sophisticated technology, its academic entitled rapid shaping technique (RP：Rapid Prototyping Manufacturing), its general principle is：Layered manufacturing, successively superposition.
3D prints has many different technologies now, and their difference is with the side of available material Formula, and set up part with different layer buildings.Some technologies using melt or softening plastic material method come The ink printd is manufactured, for example, the radium-shine sintering (SLS of selectivity：Selective Laser Sintering)、 Fusion sediment formula (FDM：Fused Deposition Modeling), it is to utilize liquid to also have some technologies Material is as the ink printd, for example, stereolithography (SLA：Stereolithography), divide Layer entity manufactures (LOM：Laminated Object Manufacturing).Every kind of technology has respective Advantage and disadvantage, thus to provide a variety of tabulating machines for selection for some companies.In general, main consideration because Element is speed and cost, the price of 3D printing machines, the cost of object prototype and material and the color printd Selection and cost etc..
Crisis of resource and ecological problem have triggered the whole world to sustainable development and the upsurge of environmental protection, many The new material of environmental requirement is continued to bring out.Lactic acid can be made through crops such as corn fermentation in PLA, then enters one Walk chemical synthesis be made, be internationally recognized Green Polymer Material, due to its have good mechanical performance, Physical property, processing characteristics, compatibility and degradability and attract attention extensively.Wood powder has light weight, source Extensively, cheap, intensity is high, it is wear-resisting the advantages of, it is and recyclable and biodegradable.At present, and Have not seen during PLA and wood powder connected applications are printd to 3D.
In view of this, it is necessary to develop a kind of 3D in fact to print material, by the way that PLA and wood powder are introduced into 3D In prining, obtain the 3D with excellent properties and print material.
【The content of the invention】
Printd material it is therefore an object of the present invention to provide a kind of 3D, by the way that PLA and wood powder are introduced into 3D In prining, obtain the 3D with excellent properties and print material.
In order to achieve the above object, 3D of the invention prints material, and it represents to include by weight：
Alternatively, it is 210 DEG C in environment temperature, when load is 2.16Kg, the melting of the polylactic resin Index is 6-60g/10min.
Alternatively, the 3D prints material also including the 1-60 parts of melt index for 60.1-120g/10min Polylactic resin.
Alternatively, the wood powder is at least one of pine powder, Poplar Powder.
Alternatively, a diameter of 45-840 μm of the master batch of the wood powder.
Alternatively, the lubricant is vinyl bis-stearamides, low molecular weight polyethylene wax, erucyl amide And one or more compoundings of stearic lines.
Alternatively, the impact modification agent is the impact resistance modification agent of thermoplastic elastomer (TPE) and nucleocapsid cladded type One or more compounding.
Alternatively, the compatilizer is epoxy resin, ethylene-acrylate-glycidol methacrylic acid In ester triblock copolymer, ethylene/n-butyl acrylate-GMA triblock copolymer One or more compoundings.
Alternatively, the 3D prints material also including stabilizer, mould release, antistatic agent, ultraviolet suction Receive at least one of agent, releasing agent and colouring agent.
Alternatively, the 3D prints material suitable for prining 3D.
Compared to prior art, 3D of the invention prints material, passes through and wood powder etc. is added in polylactic resin Component, is then made 3D using modification technology and prints material, the 3D print material for it is a kind of it is quality-high and inexpensive, Biodegradable material of prining, 3D materials of prining may be directly applied to during 3D prints, make 3D print The product gone out is not only environmentally friendly, and also with the banksia rose, cost is reduced again.
【Embodiment】
The 3D of the present invention prints material, it is adaptable to which during 3D prints, it represents to include by weight：
10-95 parts of polylactic resin, the polylactic resin is L-type PLA, is 210 DEG C in environment temperature, When load is 2.16Kg, the melt index of the polylactic resin is 6-60g/10min；Due to single The melt index of polylactic resin is non-adjustable, in order to adjust the melt index of polylactic resin, the PLA It is that (environment temperature is 210 DEG C to 60.1-120g/10min, and load is 2.16 that melt index can be added in resin Kg another polylactic resin), the addition of another polylactic resin is 1-60 parts.
1-30 parts of wood powder, the wood powder can make 3D materials of prining have the color and luster and fragrance of wood powder, described Wood powder is at least one of pine powder, Poplar Powder, and the wood powder needs drying process, and moisture content is 0.15% Hereinafter, stand-by in drier, a diameter of 45-840 μm of the master batch of the wood powder is stored in, when master batch diameter exists It is optimal at 150 μm or so.
0.5-20 parts of lubricant, the lubricant be vinyl bis-stearamides, low molecular weight polyethylene wax, One or more compoundings of erucyl amide and stearic lines, the lubricant can not only reduce in each component Friction between portion, additionally it is possible to reduce the friction between material and board.
Impact 1-20 part of modification agent, it is described impact modification agent and can increase 3D print the toughness of material, in material Material is shaped to be broken when winding after wire rod, and the impact modification agent is that thermoplastic elastomer (TPE) and nucleocapsid are coated One or more compoundings of the impact resistance modification agent of type, wherein thermoplastic elastomer (TPE) comprising styrenic elastomer, Graft modification styrene series elastomer, ethene based elastomers and graft modification ethene based elastomers, nucleocapsid cladding The impact resistance modification agent of type includes acrylic acid cladded type and styrene-acrylonitrile cladded type.
0.1-20 parts of antioxidant, the antioxidant can delay or suppress the progress of material oxidation process, so as to hinder Only the aging of material and extend its service life.
0-20 parts of compatilizer, preferably compatilizer be 0.5-20 part and reach optimum efficiency, compatilizer for by In intermolecular bonding force, two kinds of incompatible components are promoted to be combined together, the compatilizer is asphalt mixtures modified by epoxy resin Fat, ethylene-acrylate-glycidyl methacrylate triblock copolymer, the positive fourth of ethylene-acrylic acid One or more compoundings in ester-GMA triblock copolymer.
Wherein, the 3D prints material also including stabilizer, mould release, antistatic agent, ultraviolet radiation absorption At least one of agent, releasing agent and colouring agent.
To have further understanding to the purpose of the present invention, technological means and technology effect, in conjunction with specific reality Example is applied to be described as follows.
Embodiment 1
First, by wood powder drying process, make moisture content below 0.15%, be stored in stand-by in drier；So Afterwards, polylactic resin moisture is down to below 0.05-0.1%；By wood powder, lubricant, impact modification agent and anti- Oxygen agent, which is weighed to be positioned in high-speed mixer in proportion, does mixed at high speed, takes out standby；Will be mixed Melting extrusion is granulated in an extruder for powder, polylactic resin.
Embodiment 2
Wherein, it is 210 DEG C in environment temperature, when load is 2.16Kg, the melt index of polylactic resin 1 For 6-60g/10min, the melt index of polylactic resin 2 is 60.1-120g/10min.
First, by wood powder drying process, make moisture content below 0.15%, be stored in stand-by in drier；So Afterwards, the moisture of polylactic resin 1 and polylactic resin 2 is down to below 0.05-0.1%；By wood powder, lubrication Agent, impact modification agent and antioxidant are weighed to be positioned in high-speed mixer in proportion and do mixed at high speed, are taken Go out standby；By mixed powder, polylactic resin 1 and the melting extrusion in an extruder of polylactic resin 2 Granulation.
Embodiment 3
Wherein, it is 210 DEG C in environment temperature, when load is 2.16Kg, the melt index of polylactic resin 1 For 6-60g/10min, the melt index of polylactic resin 2 is 60.1-120g/10min.
First, by wood powder drying process, make moisture content below 0.15%, be stored in stand-by in drier；So Afterwards, the moisture of polylactic resin 1 and polylactic resin 2 is down to below 0.05-0.1%；By wood powder, lubrication Agent, impact modification agent, antioxidant and compatilizer, which are weighed to be positioned in high-speed mixer in proportion, to be done at a high speed Mixing, takes out standby；By mixed powder, polylactic resin 1 and polylactic resin 2 in an extruder Melting extrusion is granulated.
After various embodiments above melting extrusion granulation, then injection molding GB standard testing battens on injection machine, By the mechanical performance of GB standard testing resulting materials, test result is as shown in table 1：
Table 1：The test result of comparative example and each embodiment
Test event Test parameter Embodiment 1 Embodiment 2 Embodiment 3
Melt index (g/10min) 210 DEG C, 2.16Kg 14.3 8.6 8.0
Bending strength (MPa) 2mm/min 55.4 69 72
Bending modulus (MPa) 2mm/min 3493 3474 3270
Impact strength (KJ/m2) 1J 3.8 4.4 5.4
Tensile strength (MPa) 10mm/min 42.5 41.5 48.8
Elongation at break (%) 10mm/min 19.7 19.5 22.4
It can be drawn by table 1：By the way that the polylactic resin of two kinds of different melt index is combined, it can adjust Save the melt index (i.e. MI values) of material；Embodiment 1, embodiment 2 are compared with embodiment 3 respectively can be with Draw after addition compatilizer, the toughness of material can not only be lifted, such as elongation at break can be improved to 22.4%, And impact strength is significantly improved.
In summary, by adding the components such as wood powder in polylactic resin, then it is made using modification technology 3D prints material, and the 3D prints material for a kind of quality-high and inexpensive, biodegradable material of prining.

Claims (10)

  1. The material 1. a kind of 3D prints, it is characterised in that represent to include by weight：
  2. The material 2. 3D according to claim 1 prints, it is characterised in that environment temperature be 210 DEG C, When load is 2.16Kg, the melt index of the polylactic resin is 6-60g/10min.
  3. The material 3. 3D according to claim 2 prints, it is characterised in that the 3D prints material also Including 1-60 part polylactic resin that melt index is 60.1-120g/10min.
  4. The material 4. 3D according to claim 1 prints, it is characterised in that the wood powder be pine powder, At least one of Poplar Powder.
  5. The material 5. 3D according to claim 1 or 4 prints, it is characterised in that the mother of the wood powder A diameter of 45-840 μm of grain.
  6. The material 6. 3D according to claim 1 prints, it is characterised in that the lubricant is ethene Base bis-stearamides, low molecular weight polyethylene wax, erucyl amide and the one or more of stearic lines compound.
  7. The material 7. 3D according to claim 1 prints, it is characterised in that the impact modification agent is One or more compoundings of the impact resistance modification agent of thermoplastic elastomer (TPE) and nucleocapsid cladded type.
  8. The material 8. 3D according to claim 1 prints, it is characterised in that the compatilizer is epoxy Resin, ethylene-acrylate-glycidyl methacrylate triblock copolymer, ethylene-acrylic acid are just One or more compoundings in butyl ester-GMA triblock copolymer.
  9. The material 9. 3D according to claim 1 prints, it is characterised in that the 3D prints material also Including in stabilizer, mould release, antistatic agent, ultra-violet absorber, releasing agent and colouring agent extremely Few one kind.
  10. The material 10. 3D according to claim 1 prints, it is characterised in that the 3D prints material Suitable for prining 3D.
CN201610255572.3A 2016-04-22 2016-04-22 3D prints material Pending CN107304286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108219410A (en) * 2018-01-03 2018-06-29 郭艳玲 A kind of composite powder manufactured suitable for laser gain material and preparation method thereof
CN109371501A (en) * 2018-11-01 2019-02-22 东北林业大学 A kind of plant fiber composite wire and preparation method thereof of the 3D printing with shape memory function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104312120A (en) * 2014-11-06 2015-01-28 芜湖瀚博电子科技有限公司 Flexible plastic line for 3D printing
CN104356618A (en) * 2014-10-29 2015-02-18 衢州学院 Biomass wood-plastic composite material for 3D (three-dimensional) printing and preparation method for biomass wood-plastic composite material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356618A (en) * 2014-10-29 2015-02-18 衢州学院 Biomass wood-plastic composite material for 3D (three-dimensional) printing and preparation method for biomass wood-plastic composite material
CN104312120A (en) * 2014-11-06 2015-01-28 芜湖瀚博电子科技有限公司 Flexible plastic line for 3D printing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108219410A (en) * 2018-01-03 2018-06-29 郭艳玲 A kind of composite powder manufactured suitable for laser gain material and preparation method thereof
CN109371501A (en) * 2018-11-01 2019-02-22 东北林业大学 A kind of plant fiber composite wire and preparation method thereof of the 3D printing with shape memory function
CN109371501B (en) * 2018-11-01 2020-03-20 东北林业大学 Plant fiber composite wire with shape memory function for 3D printing and preparation method thereof

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Application publication date: 20171031