CN107032722A - A kind of gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof - Google Patents
A kind of gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof Download PDFInfo
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- CN107032722A CN107032722A CN201610914555.6A CN201610914555A CN107032722A CN 107032722 A CN107032722 A CN 107032722A CN 201610914555 A CN201610914555 A CN 201610914555A CN 107032722 A CN107032722 A CN 107032722A
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- rapid prototyping
- parts
- high pressure
- pressure homogenization
- printing high
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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
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof, in parts by mass, 1 part of powder body material and 0.3~0.5 part of fluent material are passed through into homogenizing, stirring, prepare initial flow degree >=180mm, setting time≤30min slurry；0.1~0.2 part of atomizing material is liquidated at a high speed with slurry again and mixed, gypsum base 3D printing high-pressure injection rapid prototyping material of the hardening time in 0~5min controllable precises is prepared.The beneficial effects of the present invention are：Firstth, cost is low, effectively realizes the recycling of discarded object；Secondth, the preparation process of αsemiwatergypsum of the present invention use constant pressure hydro-thermal method, its preparation technology low-carbon, efficiently；3rd, the present invention using high pressure homogenization, sprays fast curing-formed 3D printing technique, is easy to practice of construction for industrial actual production process.
Description
Technical field
The invention belongs to 3D printing field of material technology, it is related to a kind of gypsum base 3D printing high pressure homogenization injection rapid shaping
Material and preparation method thereof.
Background technology
3D printing technique, is one kind in rapid shaping technique also known as " increasing material manufacturing ".Early in the 1990s,
3D printing technique has been developed.3D printing technique be according to personalized three-dimensional model, based on 3 D-printing equipment, by by
Layer or point-by-point integration accumulation principle, realize shape of product complexity but a kind of higher rapid shaping technique of precision prescribed.3D printing
The forward position skill in the multidisciplinary fields such as technological incorporation digital modeling techniques, Electromechanical Control technology, information technology, material science and technology
Art.
3D buildings printed material is mainly based on cement concrete material.However, 3D building printing concrete material with
There is larger difference in common cement concrete material.It is different from polymer 3D printing, inorganic glue used in 3D construction materials
The change that gel material cannot rely on temperature realizes the condensation cure of material, it is necessary to utilize broad perspectives of certain additive to material
It can be adjusted.3D building printed materials are needed with preferable mobile performance before condensing, need to have in forming process compared with
High plastic viscosity, relatively low limiting shearing stress, preferable plasticity, instantaneous curing performance and higher early strength.
As 3D builds the constantly improve of printing technique, binder materials used in 3D building printing techniques is mixed except cement
Solidifying soil is outer, and gypsum, resin etc. can be as one of main raw material(s)s, and wherein gypsum is due to rate of set is fast, early strength
Height, is the more suitable 3D buildings printed material of building construction and decorations integration.At present, it yet there are no open mandate
Patents.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of gypsum base 3D printing high pressure for above-mentioned existing process
Homogenizing injection rapid prototyping material and preparation method thereof, is homogenized by solid-liquid high-speed, accurate to control the instantaneous of injection molding slurry
Hardening time, solve inorganic material and be difficult to use in 3D printing shaping, gypsum material viscosity is low, low intensity, forming process are difficult to
The problem of control.
The present invention is as follows for the technical scheme used the problem of solving set forth above：A kind of gypsum base 3D printing high pressure is equal
Change injection rapid prototyping material, include following components：
1 part of powder body material, 0.3~0.5 part of fluent material, 0.1~0.2 part of atomizing material, in parts by mass；
The powder body material each component is in parts by mass：50~90 parts of αsemiwatergypsum, 5~35 parts of packing material, toughness reinforcing
5~20 parts of material；
The fluent material each component is in parts by mass：95~98 parts of water, 0.1~2 part of thickener, water reducer 0.1~2
Part；
The atomizing material each component is in parts by mass：0.5~1 part of curing agent.
By such scheme, described αsemiwatergypsum is with natural dihydrate gypsum, phosphorus base dihydrate gypsum and desulfurization dihydrate gypsum
Any one be raw material, using constant pressure hydro-thermal method synthesize.
By such scheme, described αsemiwatergypsum draw ratio is 1:1~1:3, crystal is into short cylinder hexahedron, particle diameter
10~20 μm, 2h rupture strengths >=7MPa, 2h compression strength >=15MPa, 24h over dry intensity >=40MPa.
By such scheme, described packing material is the spherical inorganic inert material that particle diameter is 10 μm~100 μm.
By such scheme, described toughening material is in calcium carbonate crystal whisker, carbon fiber, glass fibre, polypropylene fibre
One or more are compound, fibre diameter≤10 μm, and fibre length is 300 μm~1mm.
By such scheme, described thickener is hydroxypropyl methyl cellulose ether, methyl cellulose ether, hydroxyethyl methyl are fine
Any one or a few compound in the plain ether of dimension and polyvinyl alcohol.
By such scheme, described curing agent is any one in soluble sulphate, nitrate and chlorate or several
Plant compound.
Described gypsum base 3D printing high pressure homogenization sprays the preparation method of rapid prototyping material, includes following steps：
In parts by mass, by 1 part of powder body material and 0.3~0.5 part of fluent material by homogenizing, stirring is prepared initial
Fluidity >=180mm, setting time≤30min slurry；0.1~0.2 part of atomizing material is liquidated at a high speed with slurry again and mixed,
Prepare gypsum base 3D printing high-pressure injection rapid prototyping material of the hardening time in 0~5min controllable precises.
The present invention has higher intensity and certain caking property based on αsemiwatergypsum itself, using thickener component and subtracting
Water component regulates and controls to its rheological property.At initial stage in high pressure homogenization stage, its mobility and viscosity are improved using thickener component,
Ensure the precision of material shaping and the adhesion strength of slurry and matrix during material spray to a certain extent；Diminishing component is added simultaneously,
On the one hand the water that reaction is not involved in system can be reduced, on the other hand can improve its thixotropic property, there is mechanical force
Under effect, it is ensured that the mobile performance of slurry remains constant within a certain period of time.In the injection rapid shaping stage, using atomizing material
Spraying mixing is carried out to it, instantaneous consolidation effect of the curing agent to slurry is realized, promotes gypsum hydration rate, realizes slurry from height
Instantaneous transition from fluidised form to plasticity state, it is ensured that the precision of formed body.
Meanwhile, the present invention is filled in system using inorganic inert material, on the one hand saves production cost, on the other hand,
Spherical inert material forms ball effect in system, it is ensured that the upper flow regime of slurry.The addition of fiber, adds after-hardening body
Adhesion strength.Thickener component also plays preferable peptizaiton to dispersiveness of the fiber in slurry.
The beneficial effects of the present invention are：Firstth, the raw material that uses of the present invention for industrial solid waste phosphogypsum and can take off
Sulphur gypsum, its cost is low, effectively realizes the recycling of discarded object；Secondth, the preparation process of αsemiwatergypsum of the present invention is used
Constant pressure hydro-thermal method, its preparation technology low-carbon, efficiently；3rd, the present invention is for industrial actual production process, using high pressure homogenization,
Fast curing-formed 3D printing technique is sprayed, is easy to practice of construction.Therefore, the present invention has recycling economy, low-carbon economy dual
Feature.It can be widely applied to industry, civil buildings decorations.
Embodiment
The invention of the application is further illustrated with reference to embodiment, but embodiment is not construed as the limit to right of the present invention
It is fixed.
Embodiment 1：Gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof, each component weight ratio
It is as follows：
The powder body material is in mass ratio：85 parts of αsemiwatergypsum, (particle diameter is 10 μm~100 μm of ball to 10 parts of packing material
Shape inorganic inert material, such as flyash, similarly hereinafter), 5 parts of calcium carbonate crystal whisker (fibre diameter≤10 μm, fibre length is 300 μm~
1mm)；The fluent material is in mass ratio：97 parts of water, 2 parts of hydroxypropyl methyl cellulose ether, 1 part of polycarboxylic acids, the atomizing material
In mass ratio：1 part of soluble sulphate.
Described αsemiwatergypsum is with any one of natural dihydrate gypsum, phosphorus base dihydrate gypsum and desulfurization dihydrate gypsum
For raw material, synthesized using constant pressure hydro-thermal method, described αsemiwatergypsum draw ratio is 1:1~1:3, crystal is into the side of short cylinder six
Body, particle diameter is 10~20 μm, 2h rupture strengths >=7MPa, 2h compression strength >=15MPa, 24h over dry intensity >=40MPa.
Preparation method is：1 part of powder body material and 0.35 part of fluent material are by homogenizing, and stirring prepares slurry initial flow
Degree >=180mm, setting time≤30min；0.1 part of atomizing material is liquidated at a high speed with slurry again and mixed, gypsum is finally prepared
Base 3D printing high-pressure injection rapid prototyping material, rapid shaping 1~5min of hardening time controllable precise controls slurry discharging time
≤1min。
Embodiment 2：Gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof, each component weight ratio
It is as follows：
The powder body material is in mass ratio：55 parts of αsemiwatergypsum, (particle diameter is 10 μm~100 μm of ball to 30 parts of packing material
Shape inorganic inert material), 15 parts of carbon fiber (fibre diameter≤10 μm, fibre length be 300 μm~1mm)；The fluent material
In mass ratio：95 parts of water, 2 parts of hydroxypropyl methyl cellulose ether, 1 part of melamine, the fluent material are in mass ratio：Chlorate
1 part.
Described αsemiwatergypsum is with any one of natural dihydrate gypsum, phosphorus base dihydrate gypsum and desulfurization dihydrate gypsum
For raw material, synthesized using constant pressure hydro-thermal method, described αsemiwatergypsum draw ratio is 1:1~1:3, crystal is into the side of short cylinder six
Body, particle diameter is 10~20 μm, 2h rupture strengths >=7MPa, 2h compression strength >=15MPa, 24h over dry intensity >=40MPa.
Described preparation method is：1 part of powder body material and 0.4 part of fluent material are by homogenizing, and stirring prepares slurry initial
Fluidity >=180mm, setting time≤30min；0.15 part of atomizing material is liquidated at a high speed with slurry again and mixed, is finally prepared
Gypsum base 3D printing high-pressure injection rapid prototyping material, rapid shaping 1~5min of hardening time controllable precise, control slurry discharging
Time≤1min.
Embodiment 3：Gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof, each component weight ratio
It is as follows：
The powder body material is in mass ratio：70 parts of αsemiwatergypsum, (particle diameter is 10 μm~100 μm of ball to 15 parts of packing material
Shape inorganic inert material), 15 parts of polypropylene fibre (fibre diameter≤10 μm, fibre length be 300 μm~1mm)；The liquid
Material is in mass ratio：96 parts of water, 1.5 parts of hydroxypropyl methyl cellulose ether, 0.5 part of polycarboxylic acids, the fluent material are in mass ratio：
1.5 parts of chlorate.
Described αsemiwatergypsum is with any one of natural dihydrate gypsum, phosphorus base dihydrate gypsum and desulfurization dihydrate gypsum
For raw material, synthesized using constant pressure hydro-thermal method, described αsemiwatergypsum draw ratio is 1:1~1:3, crystal is into the side of short cylinder six
Body, particle diameter is 10~20 μm, 2h rupture strengths >=7MPa, 2h compression strength >=15MPa, 24h over dry intensity >=40MPa.
Described preparation method is：1 part of powder body material and 0.3 part of fluent material are by homogenizing, and stirring prepares slurry initial
Fluidity >=180mm, setting time≤30min；0.15 part of atomizing material is liquidated at a high speed with slurry again and mixed, is finally prepared
Gypsum base 3D printing high-pressure injection rapid prototyping material, rapid shaping 1~5min of hardening time controllable precise, control slurry discharging
Time≤1min.
Embodiment 4：Gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof, each component weight ratio
It is as follows：
The powder body material is in mass ratio：60 parts of αsemiwatergypsum, (particle diameter is 10 μm~100 μm of ball to 10 parts of packing material
Shape inorganic inert material), 30 parts of calcium carbonate crystal whisker (fibre diameter≤10 μm, fibre length be 300 μm~1mm)；The liquid
Material is in mass ratio：98 parts of water, 1.5 parts of hydroxypropyl methyl cellulose ether, 0.5 part of polycarboxylic acids, the fluent material are in mass ratio：
1 part of chlorate.
Described αsemiwatergypsum is with any one of natural dihydrate gypsum, phosphorus base dihydrate gypsum and desulfurization dihydrate gypsum
For raw material, synthesized using constant pressure hydro-thermal method, described αsemiwatergypsum draw ratio is 1:1~1:3, crystal is into the side of short cylinder six
Body, particle diameter is 10~20 μm, 2h rupture strengths >=7MPa, 2h compression strength >=15MPa, 24h over dry intensity >=40MPa.
Described preparation method is：1 part of powder body material and 0.45 part of fluent material pass through homogenizing, stirring, at the beginning of preparing slurry
Beginning fluidity >=180mm, setting time≤30min；0.2 part of atomizing material is liquidated at a high speed with slurry again and mixed, it is final to prepare
Go out gypsum base 3D printing high-pressure injection rapid prototyping material, rapid shaping 1~5min of hardening time controllable precise, control slurry goes out
The material time≤1min.
Claims (8)
1. a kind of gypsum base 3D printing high pressure homogenization sprays rapid prototyping material, include following components：
1 part of powder body material, 0.3~0.5 part of fluent material, 0.1~0.2 part of atomizing material, in parts by mass；
The powder body material each component is in parts by mass：50~90 parts of αsemiwatergypsum, 5~35 parts of packing material, toughening material
5~20 parts；
The fluent material each component is in parts by mass：95~98 parts of water, 0.1~2 part of thickener, 0.1~2 part of water reducer；
The atomizing material each component is in parts by mass：0.5~1 part of curing agent.
2. gypsum base 3D printing high pressure homogenization according to claim 1 sprays rapid prototyping material, it is characterised in that described
αsemiwatergypsum be using natural dihydrate gypsum, phosphorus base dihydrate gypsum and desulfurization dihydrate gypsum any one as raw material, use
Constant pressure hydro-thermal method is synthesized.
3. gypsum base 3D printing high pressure homogenization according to claim 2 sprays rapid prototyping material, it is characterised in that described
αsemiwatergypsum draw ratio be 1:1~1:3, crystal is into short cylinder hexahedron, and particle diameter is 10~20 μm, and 2h rupture strengths >=
7MPa, 2h compression strength >=15MPa, 24h over dry intensity >=40MPa.
4. gypsum base 3D printing high pressure homogenization according to claim 1 sprays rapid prototyping material, it is characterised in that described
Packing material be spherical inorganic inert material that particle diameter is 10 μm~100 μm.
5. gypsum base 3D printing high pressure homogenization according to claim 1 sprays rapid prototyping material, it is characterised in that described
Toughening material be calcium carbonate crystal whisker, carbon fiber, glass fibre, polypropylene fibre in one or more be combined, fibre diameter
≤ 10 μm, fibre length is 300 μm~1mm.
6. gypsum base 3D printing high pressure homogenization according to claim 1 sprays rapid prototyping material, it is characterised in that described
Thickener be hydroxypropyl methyl cellulose ether, methyl cellulose ether, ethoxyl methyl cellulose ether and polyvinyl alcohol in appoint
Meaning is one or more of to be combined.
7. gypsum base 3D printing high pressure homogenization according to claim 1 sprays rapid prototyping material, it is characterised in that described
Curing agent be soluble sulphate, nitrate and chlorate in any one or a few be combined.
8. gypsum base 3D printing high pressure homogenization described in claim 1 sprays the preparation method of rapid prototyping material, include with
Lower step：
In parts by mass, by 1 part of powder body material and 0.3~0.5 part of fluent material by homogenizing, initial flow is prepared in stirring
Degree >=180mm, setting time≤30min slurry；0.1~0.2 part of atomizing material is liquidated at a high speed with slurry again and mixed, is prepared
Go out gypsum base 3D printing high-pressure injection rapid prototyping material of the hardening time in 0~5min controllable precises.
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| CN201610914555.6A CN107032722A (en) | 2016-10-20 | 2016-10-20 | A kind of gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof |
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| CN201610914555.6A CN107032722A (en) | 2016-10-20 | 2016-10-20 | A kind of gypsum base 3D printing high pressure homogenization injection rapid prototyping material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666703A (en) * | 2021-08-20 | 2021-11-19 | 河南永泰石膏有限公司 | 3D printing gypsum powder and preparation method thereof |
| CN113967957A (en) * | 2021-10-26 | 2022-01-25 | 昆明理工大学 | Impurity-removing and crystal-transforming integrated extrusion type 3D printing nozzle and method for waste gypsum |
| CN116041025A (en) * | 2023-01-11 | 2023-05-02 | 同济大学 | Method for circularly preparing 3D printing sound absorbing material by using waste gypsum board |
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| CN101851081A (en) * | 2009-04-03 | 2010-10-06 | 秦永超 | Glass fiber reinforced gypsum product, and preparation method and equipment thereof |
| CN104744000A (en) * | 2015-03-07 | 2015-07-01 | 南京工业大学 | Gypsum material for 3D printing and preparation method thereof |
| CN105218020A (en) * | 2015-09-17 | 2016-01-06 | 南京倍立达新材料系统工程股份有限公司 | One can spray lower shrinkage GRC decoration mortar and preparation method thereof |
-
2016
- 2016-10-20 CN CN201610914555.6A patent/CN107032722A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851081A (en) * | 2009-04-03 | 2010-10-06 | 秦永超 | Glass fiber reinforced gypsum product, and preparation method and equipment thereof |
| CN104744000A (en) * | 2015-03-07 | 2015-07-01 | 南京工业大学 | Gypsum material for 3D printing and preparation method thereof |
| CN105218020A (en) * | 2015-09-17 | 2016-01-06 | 南京倍立达新材料系统工程股份有限公司 | One can spray lower shrinkage GRC decoration mortar and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113666703A (en) * | 2021-08-20 | 2021-11-19 | 河南永泰石膏有限公司 | 3D printing gypsum powder and preparation method thereof |
| CN113967957A (en) * | 2021-10-26 | 2022-01-25 | 昆明理工大学 | Impurity-removing and crystal-transforming integrated extrusion type 3D printing nozzle and method for waste gypsum |
| CN113967957B (en) * | 2021-10-26 | 2022-10-25 | 昆明理工大学 | Impurity-removing and crystal-transforming integrated extrusion type 3D printing nozzle and method for waste gypsum |
| CN116041025A (en) * | 2023-01-11 | 2023-05-02 | 同济大学 | Method for circularly preparing 3D printing sound absorbing material by using waste gypsum board |
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Application publication date: 20170811 |