CN106380162A - Preparation applied to three-dimension printing technology forming plaster powder material - Google Patents
Preparation applied to three-dimension printing technology forming plaster powder material Download PDFInfo
- Publication number
- CN106380162A CN106380162A CN201610807416.3A CN201610807416A CN106380162A CN 106380162 A CN106380162 A CN 106380162A CN 201610807416 A CN201610807416 A CN 201610807416A CN 106380162 A CN106380162 A CN 106380162A
- Authority
- CN
- China
- Prior art keywords
- powder body
- gypsum powder
- dimensional printing
- body material
- preparation
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00181—Mixtures specially adapted for three-dimensional printing (3DP), stereo-lithography or prototyping
Abstract
The invention discloses a preparation method applied to a three-dimension printing technology forming plaster powder material. The preparation method is characterized by comprising the steps of firstly preparing plaster powder into granulated plaster powder with the particle size in a range of 30 to 100mu m; then adding the following ingredients into a grinding miller in mass percentage: 80% to 88% of the granulated plaster powder, 2% to 8% of o-cresol novolac epoxy resin, 0.2% to 1.5% of calcium stearate and 0.1% to 1.0% of urea; starting the grinding miller according to the rotation speed of 200 revolutions per minute and grinding for 40min; then adding 6% to 15% of aceton, wherein the percent sum of all the ingredients is 100 percent; then grinding for 20min with the rotation speed of the grinding miller of 200 revolutions per minute; drying to obtain the three-dimension printing technology forming plaster powder material, wherein the particle size of the obtained three-dimension printing technology forming plaster powder material is in a range of 30 to 120mu m. The material can be directly formed on a three-dimension printer, the material is high in sphericity, good in fluidity and high in forming accuracy, and furthermore, the material is simple in preparation technology, easy for condition control, low in production cost and easy for industrial production.
Description
Technical field
The present invention relates to a kind of be used for three dimensional printing（3DP）The preparation method of technique rapid shaping powder body material, belongs to fast
The Material Field of rapid-result type, particularly to a kind of preparation method for three-dimensional printing art molding of gypsum powder body material and should
With.
Background technology
Gypsum Fibrosum is monoclinic system mineral, be main chemical compositions be calcium sulfate（CaSO4）Hydrate.Usually white,
Colourless, colourless transparent crystal is referred to as selenite, sometimes forms grey, pale yellow, the shallow color such as brown because impure.Streak white.Transparent.Glass
Glass gloss, cleavage surface pearly luster, fibrous agrregate silky luster.Relative density 2.3.Gypsum Fibrosum powder be five big gel rubber materials it
One, occupy an important position in national economy, be widely used in building, building materials, industrial mould and artistic model, chemical industry and
Numerous applications such as agricultural, food processing and medicine beauty treatment, are a kind of important industrial raw materials.For special industrial mould
Tool and artistic model pass through 3D printing molding and have formed precision height, low cost, the advantages of speed is fast.
3D printing is to be the technology of three-dimensional objects by modelling and printing device material successively accumulation molding, also known as
Make increasing material manufacturing.Many forward positions such as digital modeling, Electromechanical Control, information technology, material science and chemistry neck has been merged in 3D printing
Domain, is one of the core technology of " the third time industrial revolution ".3D printing technique is in Aero-Space, biological medicine, building, technique
The fields such as product manufacture are progressively widened, and the advantage such as it is convenient and swift, raising stock utilization constantly manifests, and constantly promotes conventionally manufactured
The transition and upgrade of industry.
3D printing material is the material base of 3D printing, decides the wide usage of 3D printing, is also restricting current 3D printing
The bottleneck of development.The species of 3D printing material is from initial macromolecular material（ABS, PLA, PC, PVC, photosensitive resin）Expand
To metal（Various alloys, are applied to the high-end fields such as Aero-Space, medical treatment）, pottery（Various Inorganic Non-metallic Materials）Deng.Root
According to forming principle, 3D printing material is defined as powder shaped, thread, lamellar, liquid, the different 3D of the adaptation of each of which
Printing type.3D printing powder body material is suitable for three-dimensional printing art（3DP）And selective laser sintering（SLS）, at present with regard to 3D
The preparation method of printing powder body material also has relevant report, and Chinese patent 201510125390X discloses a kind of 3D printing dioxy
Change the preparation method of the body formed material of zirconium powder；Chinese patent 2015101260246 discloses a kind of 3D printing rapid shaping zirconium aluminum
The preparation of ceramic powder material, due to Inorganic Non-metallic Materials, to have high intensity, high rigidity, high temperature resistant, low-density, chemistry steady
The qualitative excellent specific property such as good, corrosion-resistant, is widely used in industries such as Aero-Space, automobile, biologies, it is in 3D printing field
Demand can rapidly increase, therefore, selective laser sintering 3D printing inorganic non-metallic powder body material is realized commercialization and is had
Particularly significant meaning and wide market.
Three dimensional printing（3DP）Technique, it is simply that the 3D printing of today, is Massachusetts Institute Technology Emanual Sachs etc.
People develops.E.M.Sachs applied for 3DP in 1989（Three-Dimensional Printing）Patent, this patent is
One of core patent of non-shaped material droplet reaction-injection moulding category.3DP technique is similar with SLS technique, is become using dusty material
Shape, such as ceramic powders, metal dust.Except that what material powder coupled together not by sintering, but pass through shower nozzle
Use bonding agent（As silica gel）By section " printing " of part on material powder.Part strength with bonding agent bonding is relatively low, also
Must post processing.Specific embodiment is as follows：After last layer bonding finishes, moulding cylinder declines a distance（Equal to thickness：0.013
～0.1mm）, rise a height for powder cylinder, if releasing dry powder, and moulding cylinder being shifted onto by powder-laying roller, paving and being compacted.Shower nozzle
Under the control of the computer, by the formed data of next construction section, selectively jet binder builds aspect.Powder-laying roller powdering
The powder of Shi Duoyu is collected by powder collection device.So powder feeding again and again, powdering and jet binder, are finally completed one three
The bonding of dimension powder body.After the place of not injected binding agent is dry powder, plays a supportive role in forming process, and shaping terminates,
It is easier to remove.But this moulding process also has certain limitation, the consumption of adhesive is big, bad control, and adhesive holds
Easily blocking shower nozzle.
The present invention by pelletize is carried out to gypsum powder body material, by high molecular adhesive coating to pelletize gypsum powder body material
Material surface, after the coating obtaining, gypsum powder body material can directly adopt 3DP molding.Spray paste is not needed to glue in forming process
Agent is it is only necessary to spray a small amount of solvent.Advantage is that adhesive consumption greatly reduces, and reduces environment during subsequent calcination
Pollution, the quality of product is high.The powder body material uniform particle sizes of the technique preparation of the application, sphericity is high, and good fluidity is suitable for
3DP technique 3D printing molding.Additionally, the method that this patent provides is simple, low cost.
Content of the invention
The mesh of the present invention is to provide a kind of preparation method for three-dimensional printing art molding of gypsum powder body material, rapid-result soon
Type powder body can Direct Three-dimensional printing rapid shaping in sprinkling solvent；
The purpose of the present invention is achieved through the following technical solutions.
A kind of preparation method for three-dimensional printing art molding of gypsum powder body material is it is characterised in that the method has
Following processing step：
（1）Prepared by pelletize gypsum powder body：In the reactor, add by mass percentage, water：50% ~ 60%, Lauxite：0.5%~
2.0%, heating for dissolving, after cooling, add gypsum powder body：38% ~ 48%, strong stirring, reaction 40 ~ 60min, add oxalic acid：
0.1% ~ 1.0%, that each group is divided and for absolutely, stirring and dissolving, then it is spray-dried, obtain pelletize gypsum powder body, its particle diameter
In the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, add by mass percentage, make
Grain gypsum powder body：80% ~ 88%, orthoresol type novolac epoxy resin：2% ~ 8%, calcium stearate：0.2% ~ 1.5%, carbamide：0.1%~
1.0%, open grinder rotating speed at 200 revs/min, grind 40min, acetone：6% ~ 15%, that each group is divided and for absolutely, grinding
Mill speed is at 200 revs/min, then grinds 20min, is dried, obtains for three-dimensional printing art molding of gypsum powder body material, institute
In the range of the particle diameter for three-dimensional printing art molding of gypsum powder body material obtaining is 30 ~ 120 μm.
In step（1）Described in gypsum powder body particle diameter in 0.5 ~ 5.0 μ m；
In step（1）Described in spray drying, intake air temperature controls at 85 DEG C, and air outlet temperature controls at 70 DEG C, air intake
Flow 220m3/h.
In step（2）Described in orthoresol type novolac epoxy resin and carbamide mass ratio 1：Between 0.1 ~ 0.2
Excellent.
Particle size test method of the present invention is the granularity equivalent diameter size being recorded using laser particle analyzer.
It is a further object of the present invention to provide becoming on 3D printer for three-dimensional printing art molding of gypsum powder body material
The application of type, feature is：Three-dimensional printing art molding of gypsum powder body material will be used for be added to for, in powder cylinder, loading molten in shower nozzle
Agent acetone.Specific embodiment is as follows：Shower nozzle sprays acetone in for three-dimensional printing art molding of gypsum powder body material, material
The adhesive dissolving on surface makes it bond, and after last layer bonding finishes, moulding cylinder declines a distance（Equal to thickness：0.010～
0.1mm）, rise a height for powder cylinder, if releasing dry powder, and moulding cylinder being shifted onto by powder-laying roller, paving and being compacted.Shower nozzle exists
Under computer controls, by the formed data of next construction section, selectively ejection of solvent acetone builds aspect.Powder-laying roller powdering
The powder of Shi Duoyu is collected by powder collection device.So powder feeding again and again, powdering and injection acetone, are finally completed a three-dimensional
The bonding of powder body.After the place of not injected acetone is dry powder, plays a supportive role in forming process, and shaping terminates, compare
Easily remove.
The present invention compared with the prior art, has the advantage that and beneficial effect：
（1）The present invention obtain for three-dimensional printing art molding of gypsum powder body material it is not necessary to spray binding agent, shower nozzle only sprays
Spill solvent can straight forming, so that adhesive consumption is substantially reduced, the quality improving product is high.
（2）The present invention obtain the present invention obtain for three-dimensional printing art molding of gypsum powder body material, the grain of granule
Uniformly, sphericity is high, good fluidity, suitable 3DP technique 3D printing molding in footpath；Can be manufactured by this rapid shaping powder material
Thin-walled model or small parts, produce product and have the features such as surface gloss height, high precision.
（3）The present invention obtain the present invention obtain for three-dimensional printing art molding of gypsum powder body material, there is preparation
Process is simple, condition is easily controllable, and low production cost, it is easy to industrialized production, has low-carbon environment-friendly and energy saving etc. excellent again
Gesture.
Specific embodiment
Embodiment 1
（1）Prepared by pelletize gypsum powder body：In the reactor, it is separately added into, water：5L, Lauxite：80 g, heating for dissolving, cooling
Afterwards, add gypsum powder body：4500 g, strong stirring, reaction 50min, add oxalic acid：8g, stirring and dissolving, then spray dried
Dry, obtain pelletize gypsum powder body, its particle diameter is in the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, it is separately added into, pelletize Gypsum Fibrosum powder
Body：85 g, orthoresol type novolac epoxy resin：5 g, calcium stearate：1.0 g, carbamide：0.5 g, opens grinder rotating speed and exists
200 revs/min, grind 40min, acetone：12 mL, grinder rotating speed is at 200 revs/min, then grinds 20min, is dried, obtains
For three-dimensional printing art molding of gypsum powder body material, the obtained grain for three-dimensional printing art molding of gypsum powder body material
In the range of footpath is 30 ~ 120 μm.
Embodiment 2
（1）Prepared by pelletize gypsum powder body：In the reactor, it is separately added into, water：5L, Lauxite：50 g, heating for dissolving, cooling
Afterwards, add gypsum powder body：4000 g, strong stirring, reaction 40min, add oxalic acid：5g, stirring and dissolving, then spray dried
Dry, obtain pelletize gypsum powder body, its particle diameter is in the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, it is separately added into, pelletize Gypsum Fibrosum powder
Body：800 g, orthoresol type novolac epoxy resin：80 g, calcium stearate：5 g, carbamide：2 g, open grinder rotating speed 200
Rev/min, grind 40min, acetone：140 mL, grinder rotating speed is at 200 revs/min, then grinds 20min, is dried, is used
In three-dimensional printing art molding of gypsum powder body material, the obtained particle diameter for three-dimensional printing art molding of gypsum powder body material
In the range of 30 ~ 120 μm.
Embodiment 3
（1）Prepared by pelletize gypsum powder body：In the reactor, it is separately added into, water：10L, Lauxite：100 g, heating for dissolving, cold
But, after, add gypsum powder body：9000 g, strong stirring, reaction 60min, add oxalic acid：10g, stirring and dissolving, then spray
It is dried, obtain pelletize gypsum powder body, its particle diameter is in the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, it is separately added into, pelletize Gypsum Fibrosum powder
Body：88g, orthoresol type novolac epoxy resin：4 g, calcium stearate：0.2 g, carbamide：0.1 g, opens grinder rotating speed 200
Rev/min, grind 40min, acetone：10 mL, grinder rotating speed is at 200 revs/min, then grinds 20min, be dried, obtain for
Three-dimensional printing art molding of gypsum powder body material, the obtained particle diameter for three-dimensional printing art molding of gypsum powder body material is
In the range of 30 ~ 120 μm.
Embodiment 4
（1）Prepared by pelletize gypsum powder body：In the reactor, it is separately added into, water：5L, Lauxite：40 g, heating for dissolving, cooling
Afterwards, add gypsum powder body：5000 g, strong stirring, reaction 50min, add oxalic acid：4g, stirring and dissolving, then spray dried
Dry, obtain pelletize gypsum powder body, its particle diameter is in the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, it is separately added into, pelletize Gypsum Fibrosum powder
Body：840 g, orthoresol type novolac epoxy resin：20 g, calcium stearate：15 g, carbamide：10 g, open grinder rotating speed and exist
200 revs/min, grind 40min, acetone：150 mL, grinder rotating speed is at 200 revs/min, then grinds 20min, is dried, obtains
For three-dimensional printing art molding of gypsum powder body material, the obtained grain for three-dimensional printing art molding of gypsum powder body material
In the range of footpath is 30 ~ 120 μm.
Embodiment 5
（1）Prepared by pelletize gypsum powder body：In the reactor, it is separately added into, water：5L, Lauxite：80 g, heating for dissolving, cooling
Afterwards, add gypsum powder body：4500 g, strong stirring, reaction 50min, add oxalic acid：8g, stirring and dissolving, then spray dried
Dry, obtain pelletize gypsum powder body, its particle diameter is in the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, it is separately added into, pelletize Gypsum Fibrosum powder
Body：86 g, orthoresol type novolac epoxy resin：3g, calcium stearate：0.3g, carbamide：0.3 g, opens grinder rotating speed 200
Rev/min, grind 40min, acetone：13 mL, grinder rotating speed is at 200 revs/min, then grinds 20min, be dried, obtain for
Three-dimensional printing art molding of gypsum powder body material, the obtained particle diameter for three-dimensional printing art molding of gypsum powder body material is
In the range of 30 ~ 120 μm.
Embodiment 6
（1）Prepared by pelletize gypsum powder body：In the reactor, it is separately added into, water：10L, Lauxite：150 g, heating for dissolving, cold
But, after, add gypsum powder body：9500 g, strong stirring, reaction 50min, add oxalic acid：15g, stirring and dissolving, then spray
It is dried, obtain pelletize gypsum powder body, its particle diameter is in the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, it is separately added into, pelletize Gypsum Fibrosum powder
Body：850 g, orthoresol type novolac epoxy resin：50 g, calcium stearate：10 g, carbamide：5 g, open grinder rotating speed 200
Rev/min, grind 40min, acetone：120 mL, grinder rotating speed is at 200 revs/min, then grinds 20min, is dried, is used
In three-dimensional printing art molding of gypsum powder body material, the obtained particle diameter for three-dimensional printing art molding of gypsum powder body material
In the range of 30 ~ 120 μm.
Using method：Three-dimensional printing art molding of gypsum powder body material will be used for and be added to molded through three-dimensional printing 3D printer
Confession powder cylinder in, in shower nozzle add acetone.Specific embodiment is as follows：From shower nozzle ejection of solvent acetone, by powder body material surface
Adhesive dissolving, make powder adhesion together, last layer bonding finish after, moulding cylinder decline a distance（Equal to thickness：
0.010～0.1mm）, rise a height for powder cylinder, if releasing dry powder, and moulding cylinder being shifted onto by powder-laying roller, paving and being pressed
Real.Under the control of the computer, by the formed data of next construction section, selectively ejection of solvent acetone builds aspect to shower nozzle.Paving
During powder roller powdering, unnecessary powder is collected by powder collection device.So powder feeding again and again, powdering and injection acetone, are finally completed
The bonding of one three-dimensional powder body.The place of not injected acetone is dry powder, plays a supportive role in forming process, and shaping terminates
Afterwards, it is easier to remove.
Claims (5)
1. a kind of preparation method for three-dimensional printing art molding of gypsum powder body material it is characterised in that the method have with
Lower processing step：
（1）Prepared by pelletize gypsum powder body：In the reactor, add by mass percentage, water：50% ~ 60%, Lauxite：0.5%~
2.0%, heating for dissolving, after cooling, add gypsum powder body：38% ~ 48%, strong stirring, reaction 40 ~ 60min, add oxalic acid：
0.1% ~ 1.0%, that each group is divided and for absolutely, stirring and dissolving, then it is spray-dried, obtain pelletize gypsum powder body, its particle diameter
In the range of 30 ~ 100 m；
（2）Preparation for three-dimensional printing art molding of gypsum powder body material：In grinder, add by mass percentage, make
Grain gypsum powder body：80% ~ 88%, orthoresol type novolac epoxy resin：2% ~ 8%, calcium stearate：0.2% ~ 1.5%, carbamide：0.1%~
1.0%, open grinder rotating speed at 200 revs/min, grind 40min, acetone：6% ~ 15%, that each group is divided and for absolutely, grinding
Mill speed is at 200 revs/min, then grinds 20min, is dried, obtains for three-dimensional printing art molding of gypsum powder body material, institute
In the range of the particle diameter for three-dimensional printing art molding of gypsum powder body material obtaining is 30 ~ 120 μm.
2. a kind of preparation method for three-dimensional printing art molding of gypsum powder body material according to claim 1, it is special
Levy and be, step（1）Described in gypsum powder body particle diameter in 0.5 ~ 5.0 μ m.
3. a kind of preparation method for three-dimensional printing art molding of gypsum powder body material according to claim 1, it is special
Levy and be, step（1）Described in spray drying, intake air temperature controls at 85 DEG C, and air outlet temperature controls at 70 DEG C, air intake
Flow 220m3/h.
4. a kind of preparation method for three-dimensional printing art molding of gypsum powder body material according to claim 1, it is special
Levy and be, step（2）Described in orthoresol type novolac epoxy resin and carbamide mass ratio 1：Optimum between 0.1 ~ 0.2.
5. prepared by a kind of preparation method for three-dimensional printing art molding of gypsum powder body material according to claim 1
For three-dimensional printing art molding of gypsum powder body material it is characterised in that described for three-dimensional printing art molding of gypsum powder
Body material on three dimensional printing printer during 3D condition of molding, from shower nozzle ejection of solvent acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610807416.3A CN106380162B (en) | 2016-09-07 | 2016-09-07 | A kind of preparation for three-dimensional printing art molding of gypsum powder body material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610807416.3A CN106380162B (en) | 2016-09-07 | 2016-09-07 | A kind of preparation for three-dimensional printing art molding of gypsum powder body material |
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| Publication Number | Publication Date |
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| CN106380162A true CN106380162A (en) | 2017-02-08 |
| CN106380162B CN106380162B (en) | 2018-01-16 |
Family
ID=57939056
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610807416.3A Expired - Fee Related CN106380162B (en) | 2016-09-07 | 2016-09-07 | A kind of preparation for three-dimensional printing art molding of gypsum powder body material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501854A (en) * | 2017-09-06 | 2017-12-22 | 王明江 | It is a kind of to be used for the 3D printing material that skull restores of engaging in archaeological studies |
| CN108147763A (en) * | 2017-12-28 | 2018-06-12 | 应城市嘉鸿技术服务科技有限公司 | A kind of good water-proof effect gypsum for building powder |
| CN111848092A (en) * | 2020-08-11 | 2020-10-30 | 湖州五好建材有限公司 | Three-dimensional printing material with desulfurized gypsum as main raw material |
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| US20080187711A1 (en) * | 2007-01-10 | 2008-08-07 | Z Corporation | Three-Dimensional Printing Material System With Improved Color, Article Performance, and Ease of Use |
| CN103819164A (en) * | 2014-02-28 | 2014-05-28 | 广州丽格打印耗材有限公司 | Powder for 3D printers and preparation method thereof |
| CN103992088A (en) * | 2014-05-23 | 2014-08-20 | 广东轻工职业技术学院 | Rapid-molding powder material for three-dimensional printing as well as preparation method and application thereof |
| CN105481329A (en) * | 2015-11-30 | 2016-04-13 | 青海明阳环保科技有限公司 | 3D printing gypsum ink and preparation method thereof |
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2016
- 2016-09-07 CN CN201610807416.3A patent/CN106380162B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080187711A1 (en) * | 2007-01-10 | 2008-08-07 | Z Corporation | Three-Dimensional Printing Material System With Improved Color, Article Performance, and Ease of Use |
| CN103819164A (en) * | 2014-02-28 | 2014-05-28 | 广州丽格打印耗材有限公司 | Powder for 3D printers and preparation method thereof |
| CN103992088A (en) * | 2014-05-23 | 2014-08-20 | 广东轻工职业技术学院 | Rapid-molding powder material for three-dimensional printing as well as preparation method and application thereof |
| CN105481329A (en) * | 2015-11-30 | 2016-04-13 | 青海明阳环保科技有限公司 | 3D printing gypsum ink and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501854A (en) * | 2017-09-06 | 2017-12-22 | 王明江 | It is a kind of to be used for the 3D printing material that skull restores of engaging in archaeological studies |
| CN108147763A (en) * | 2017-12-28 | 2018-06-12 | 应城市嘉鸿技术服务科技有限公司 | A kind of good water-proof effect gypsum for building powder |
| CN111848092A (en) * | 2020-08-11 | 2020-10-30 | 湖州五好建材有限公司 | Three-dimensional printing material with desulfurized gypsum as main raw material |
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| Publication number | Publication date |
|---|---|
| CN106380162B (en) | 2018-01-16 |
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