CN108083759A - A kind of 3D printing method for preparing mortar of high heat insulating ability - Google Patents
A kind of 3D printing method for preparing mortar of high heat insulating ability Download PDFInfo
- Publication number
- CN108083759A CN108083759A CN201711420723.7A CN201711420723A CN108083759A CN 108083759 A CN108083759 A CN 108083759A CN 201711420723 A CN201711420723 A CN 201711420723A CN 108083759 A CN108083759 A CN 108083759A
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- China
- Prior art keywords
- heat insulating
- high heat
- insulating ability
- water
- printing method
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Classifications
-
- 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
- C04B28/34—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 cold phosphate binders
- C04B28/344—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 cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Producing Shaped Articles From Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of 3D printing method for preparing mortar of high heat insulating ability, include the following steps：Magnesium phosphate cement, portland cement, wollastonite, gangue, mica powder, glass fibre are uniformly mixed, obtain premix；Complex microsphere, air entraining agent, water-reducing agent, cellulose ether, bentonite, water are stirred evenly, premix is added in and stirs evenly, obtain the 3D printing mortar of high heat insulating ability.Complex microsphere is prepared using following technique：By agarose, sodium carboxymethylcellulose, water stirring, mixing speed is 1200 1400r/min, microwave treatment, microwave power are 350 420W, are added in into atoleine, it is stirred in ice-water bath, mixing speed is 20 90r/min, adds in sodium hydroxide solution and stirs evenly, cools down, filtering, obtains complex microsphere.The 3D printing method for preparing mortar of high heat insulating ability proposed by the present invention, gained mortar water-tolerant, thermal conductivity factor is small, high insulating effect, and intensity is high, reduces brittleness.
Description
Technical field
The present invention relates to 3D printing technique field more particularly to a kind of 3D printing method for preparing mortar of high heat insulating ability.
Background technology
3D printing technique is a kind of based on digital model file, come constructed object by way of successively printing
Technology.Present 3D printing technique has begun attempt to the construction for house.Compared with traditional architectural technology, 3D printing Building technology
Advantage be embodied in：Fast-comparable fast 10 times of traditional architectural technology of speed or more；The construction worker of substantial amounts is not required to, is reduced
Security risk in construction, while building waste can be reduced, there is low-carbon, green, environmental protection.But in 3D printing process
In, it prints that the heat insulation effect of mortar is poor, and brittleness is big, becomes the short slab for restricting 3D printing Building technology.
The content of the invention
Technical problems based on background technology, the present invention propose a kind of 3D printing mortar preparation side of high heat insulating ability
Method, gained mortar water-tolerant, thermal conductivity factor is small, high insulating effect, and intensity is high, reduces brittleness.
A kind of 3D printing method for preparing mortar of high heat insulating ability proposed by the present invention, includes the following steps：
S1, magnesium phosphate cement, portland cement, wollastonite, gangue, mica powder, glass fibre are uniformly mixed, obtained
Premix；
S2, complex microsphere, air entraining agent, water-reducing agent, cellulose ether, bentonite, water are stirred evenly, adds in premix stirring
Uniformly, the 3D printing mortar of high heat insulating ability is obtained.
Preferably, in S1, magnesium phosphate cement, the weight ratio of portland cement are 60-80：15-25.
Preferably, in S1, wollastonite, gangue, mica powder, the weight ratio of glass fibre are 2-4：20-40：30-60：
15-25。
Preferably, in S2, the raw material of complex microsphere includes：Agarose, sodium carboxymethylcellulose, atoleine, hydrogen-oxygen
Change sodium solution, water.
Preferably, the concentration of sodium hydroxide solution is 0.6-1mol/L.
Preferably, in S2, agarose, the weight ratio of sodium carboxymethylcellulose are 4-8：2-4.
Preferably, the raw material of complex microsphere includes by weight：4-8 parts of agaroses, 2-4 parts of sodium carboxymethylcelluloses,
200-400 parts of atoleines, 20-50 parts of sodium hydroxide solutions, 30-60 parts of water.
Preferably, in S2, complex microsphere is prepared using following technique：Agarose, sodium carboxymethylcellulose, water are stirred
It mixes, mixing speed 1200-1400r/min, microwave treatment, microwave power 350-420W is added in into atoleine, ice water
It is stirred in bath, mixing speed 20-90r/min, adds in sodium hydroxide solution and stir evenly, cool down, filtering obtains compound micro-
Ball.
The present invention uses magnesium phosphate cement, portland cement compounding on the one hand can avoid magnesium phosphate cement for gel rubber material
The problem of poor water resistance, another aspect thermal conductivity factor is small, high insulating effect, and complex microsphere can be evenly distributed in mortar, holds
Easily disperse to bond with magnesium phosphate cement, portland cement, improve the intensity of mortar, reduce brittleness.
In the complex microsphere of the present invention, agarose is compounded with sodium carboxymethylcellulose, is tied each other after microwave treatment
Conjunction degree is high, is dispersed in atoleine and forms microballoon, and not only grain size is minimum, and narrow distribution range, has good lubricity,
One side heat insulating effect is fabulous, reduces heat transfer, on the other hand can promote wollastonite, gangue, mica powder, glass fibre
Disperse in system, the phenomenon that heat transfer can be slowed down, and material density difference can be avoided to cause to be unevenly distributed, so as to enhance into
Toughness after type improves the thermal-shock resistance of material, reduces building energy consumption；Adding in gangue, mica powder, glass fibre can be effective
The viscosity for adjusting material is in 0.58-1.65Pas scopes, and convenient for the progress of 3D printing process, and concrete material is led
Hot coefficient is 0.51-0.53W/mK, and single concrete and mortar are much better than in terms of heat preservation.
Specific embodiment
In the following, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of 3D printing method for preparing mortar of high heat insulating ability, includes the following steps：
S1, by 60g magnesium phosphate cements, 25g portland cements, 2g wollastonites, 40g gangues, 30g mica powders, 25g glass
Fiber is uniformly mixed, and obtains premix；
S2,2g complex microspheres, 2g air entraining agents, 2g water-reducing agents, 2g cellulose ethers, 2g bentonites, 80g water are stirred evenly,
It adds in premix to stir evenly, obtains the 3D printing mortar of high heat insulating ability；
Wherein complex microsphere is prepared using following technique：By 4g agaroses, 4g sodium carboxymethylcelluloses, the stirring of 30g water
4min, mixing speed 1200r/min, microwave treatment 4min, microwave power 350W are added in into 400g atoleines, ice
Stirred in water bath 15min, mixing speed 90r/min add in 20g concentration and are stirred evenly for 1mol/L sodium hydroxide solutions, cold
But, filter, obtain complex microsphere.
Embodiment 2
A kind of 3D printing method for preparing mortar of high heat insulating ability, includes the following steps：
S1, by 80g magnesium phosphate cements, 15g portland cements, 4g wollastonites, 20g gangues, 60g mica powders, 15g glass
Fiber is uniformly mixed, and obtains premix；
S2,6g complex microspheres, 1g air entraining agents, 4g water-reducing agents, 1g cellulose ethers, 8g bentonites, 50g water are stirred evenly,
It adds in premix to stir evenly, obtains the 3D printing mortar of high heat insulating ability；
Wherein complex microsphere is prepared using following technique：By 8g agaroses, 2g sodium carboxymethylcelluloses, the stirring of 60g water
2min, mixing speed 1400r/min, microwave treatment 2min, microwave power 420W are added in into 200g atoleines, ice
Stirred in water bath 35min, mixing speed 20r/min add in 50g concentration and are stirred evenly for 0.6mol/L sodium hydroxide solutions,
Cooling, filtering, obtains complex microsphere.
Embodiment 3
A kind of 3D printing method for preparing mortar of high heat insulating ability, includes the following steps：
S1, by 65g magnesium phosphate cements, 22g portland cements, 2.5g wollastonites, 35g gangues, 40g mica powders, 22g glass
Glass fiber is uniformly mixed, and obtains premix；
S2,3g complex microspheres, 1.8g air entraining agents, 2.5g water-reducing agents, 1.8g cellulose ethers, 4g bentonites, 70g water are stirred
Uniformly, add in premix to stir evenly, obtain the 3D printing mortar of high heat insulating ability；
Wherein complex microsphere is prepared using following technique：By 5g agaroses, 3.5g sodium carboxymethylcelluloses, the stirring of 40g water
3.5min, mixing speed 1250r/min, microwave treatment 3.5min, microwave power 380W are added in 340g atoleines
In, 20min, mixing speed 60r/min are stirred in ice-water bath, 30g concentration is added in and is stirred for 0.9mol/L sodium hydroxide solutions
Uniformly, cool down, filtering obtains complex microsphere.
Embodiment 4
A kind of 3D printing method for preparing mortar of high heat insulating ability, includes the following steps：
S1, by 75g magnesium phosphate cements, 18g portland cements, 3.5g wollastonites, 25g gangues, 50g mica powders, 18g glass
Glass fiber is uniformly mixed, and obtains premix；
S2,5g complex microspheres, 1.2g air entraining agents, 3.5g water-reducing agents, 1.2g cellulose ethers, 6g bentonites, 60g water are stirred
Uniformly, add in premix to stir evenly, obtain the 3D printing mortar of high heat insulating ability；
Wherein complex microsphere is prepared using following technique：By 7g agaroses, 2.5g sodium carboxymethylcelluloses, the stirring of 50g water
2.5min, mixing speed 1350r/min, microwave treatment 2.5min, microwave power 400W are added in 260g atoleines
In, 30min, mixing speed 40r/min are stirred in ice-water bath, 40g concentration is added in and is stirred for 0.7mol/L sodium hydroxide solutions
Uniformly, cool down, filtering obtains complex microsphere.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of 3D printing method for preparing mortar of high heat insulating ability, which is characterized in that include the following steps：
S1, magnesium phosphate cement, portland cement, wollastonite, gangue, mica powder, glass fibre are uniformly mixed, are premixed
Material；
S2, complex microsphere, air entraining agent, water-reducing agent, cellulose ether, bentonite, water are stirred evenly, it is equal adds in premix stirring
It is even, obtain the 3D printing mortar of high heat insulating ability.
2. the 3D printing method for preparing mortar of high heat insulating ability according to claim 1, which is characterized in that in S1, phosphoric acid
Magnesium cement, the weight ratio of portland cement are 60-80：15-25.
3. the 3D printing method for preparing mortar of high heat insulating ability according to claim 1 or 2, which is characterized in that in S1, silicon
Lime stone, gangue, mica powder, the weight ratio of glass fibre are 2-4：20-40：30-60：15-25.
4. according to the 3D printing method for preparing mortar of the high heat insulating ability of claim 1-3 any one of them, which is characterized in that in S2
In, the raw material of complex microsphere includes：Agarose, sodium carboxymethylcellulose, atoleine, sodium hydroxide solution, water.
5. the 3D printing method for preparing mortar of high heat insulating ability according to claim 4, which is characterized in that in S2, hydrogen-oxygen
The concentration for changing sodium solution is 0.6-1mol/L.
6. the 3D printing method for preparing mortar of high heat insulating ability according to claim 4, which is characterized in that in S2, in S2
In, agarose, the weight ratio of sodium carboxymethylcellulose are 4-8：2-4.
7. the 3D printing method for preparing mortar of high heat insulating ability according to claim 4, which is characterized in that compound in S2
The raw material of microballoon includes by weight：4-8 parts of agaroses, 2-4 parts of sodium carboxymethylcelluloses, 200-400 parts of atoleines, 20-
50 parts of sodium hydroxide solutions, 30-60 parts of water.
8. according to the 3D printing method for preparing mortar of the high heat insulating ability of claim 1-7 any one of them, which is characterized in that in S2
In, complex microsphere is prepared using following technique：By agarose, sodium carboxymethylcellulose, water stirring, mixing speed 1200-
1400r/min, microwave treatment, microwave power 350-420W are added in into atoleine, stirred in ice-water bath, mixing speed
It for 20-90r/min, adds in sodium hydroxide solution and stirs evenly, cool down, filtering obtains complex microsphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420723.7A CN108083759A (en) | 2017-12-25 | 2017-12-25 | A kind of 3D printing method for preparing mortar of high heat insulating ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711420723.7A CN108083759A (en) | 2017-12-25 | 2017-12-25 | A kind of 3D printing method for preparing mortar of high heat insulating ability |
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| Publication Number | Publication Date |
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| CN108083759A true CN108083759A (en) | 2018-05-29 |
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| CN201711420723.7A Withdrawn CN108083759A (en) | 2017-12-25 | 2017-12-25 | A kind of 3D printing method for preparing mortar of high heat insulating ability |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2496749C2 (en) * | 2009-07-07 | 2013-10-27 | Моументив Спешелти Кемикалс Инк. | Curing or insulating compositions for concrete and cement formulations and methods for use thereof |
| CN105130326A (en) * | 2015-07-03 | 2015-12-09 | 枞阳县天筑新型建筑材料有限公司 | Mixed thermal-insulation mortar with good performances and high construction efficiency and preparation method thereof |
| CN106278129A (en) * | 2016-08-23 | 2017-01-04 | 武汉理工大学 | A kind of 3D printing magnesium phosphate cement fast vigour wet stock and preparation method thereof |
-
2017
- 2017-12-25 CN CN201711420723.7A patent/CN108083759A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2496749C2 (en) * | 2009-07-07 | 2013-10-27 | Моументив Спешелти Кемикалс Инк. | Curing or insulating compositions for concrete and cement formulations and methods for use thereof |
| CN105130326A (en) * | 2015-07-03 | 2015-12-09 | 枞阳县天筑新型建筑材料有限公司 | Mixed thermal-insulation mortar with good performances and high construction efficiency and preparation method thereof |
| CN106278129A (en) * | 2016-08-23 | 2017-01-04 | 武汉理工大学 | A kind of 3D printing magnesium phosphate cement fast vigour wet stock and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 仝万亮: "矿物掺合料与硅酸盐水泥改性磷酸镁水泥的性能研究", 《中国优秀硕士学位论文全文数据库》 * |
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Application publication date: 20180529 |