CN110204291A - A kind of building exterior wall heat preserving plate and preparation method thereof - Google Patents
A kind of building exterior wall heat preserving plate and preparation method thereof Download PDFInfo
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- CN110204291A CN110204291A CN201910247310.6A CN201910247310A CN110204291A CN 110204291 A CN110204291 A CN 110204291A CN 201910247310 A CN201910247310 A CN 201910247310A CN 110204291 A CN110204291 A CN 110204291A
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- exterior wall
- wall heat
- heat preserving
- building exterior
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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
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/52—Sound-insulating materials
-
- 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
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The present invention discloses a kind of building exterior wall heat preserving plate and preparation method thereof, it is made of slurry, slurry includes the component of following parts by weight: 1 part of alpha semi-hydrated gypsum powder, 0.3~0.6 part of hollow glass microbead, 0~0.003 part of retarder, 0~0.003 part of water-retaining agent, 0~0.001 part of fiber, 0~0.3 part of water.Insulation board is manufactured using alpha semi-hydrated gypsum and hollow glass micropearl as main raw material(s), manufactured insulation board has brilliant compression strength and thermal and insulating performance.Alpha semi-hydrated gypsum has the characteristics that intensity height, light weight, fire prevention, sound insulation and insulation.Hollow glass micropearl has many advantages, such as that light-weight, thermal coefficient is low, compression strength is high, fire prevention, sound insulation and environmental protection.
Description
Technical field
The present invention relates to the technical field of insulation board for building more particularly to a kind of building exterior wall heat preserving plate and its production
Method.
Background technique
Global energy crisis is increasingly severe, and building energy consumption about occupies the one third of social total energy consumption, building enclosure knot
The thermal and insulating performance of structure is to influence the main factor of building and heating air conditioning energy consumption, assembled architecture be construction industry to green,
The inexorable trend that environmental protection, efficient, industrialization and information-based direction are developed, the assembling type outer wall plate of traditional comparative maturity mainly have
ALC aerated concrete wall panel and ECP extrusion forming fiber cement board, although the heat preservation of such wallboard, heat-insulated, sound insulation, fire prevention, intensity
Etc. better performances, but much can not meet energy-efficient growth requirement, be particularly unsuitable for that thermal coefficient is higher, compression strength
Lower wall.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of building exterior wall heat preserving plate and building are outer
The production method of wall heat-insulating board, manufactured insulation board have brilliant compression strength and thermal and insulating performance.
The purpose of the present invention adopts the following technical scheme that realization:
A kind of building exterior wall heat preserving plate is provided, is made of slurry, the slurry includes the component of following parts by weight: 1
Part alpha semi-hydrated gypsum powder, 0.3~0.6 part of hollow glass microbead, 0~0.003 part of retarder, 0~0.003 part of water-retaining agent, fiber
0~0.001 part, 0~0.3 part of water.
Preferably, the retarder is sodium polyphosphate, and the water-retaining agent is polyacrylamide.
Preferably, the fiber includes polypropylene fibre, vinal, basalt fibre or poly terephthalic acid second
At least one of two ester fibers.
Preferably, the component of the slurry further includes redispersable latex powder and/or silicon ash and/or calcium formate and/or powder
Coal ash.
Preferably, the slurry further includes the component of following parts by weight: 0~0.1 part of redispersable latex powder；Silicon ash 0
~0.03 part；0~0.03 part of calcium formate；0~0.1 part of flyash.
A kind of production method of building exterior wall heat preserving plate as described above is provided, is included the following steps:
Water is added in blender, alpha semi-hydrated gypsum powder is then added, the first solution is made in stirring；
Retarder, water-retaining agent and fiber are added in first solution, the second solution is made in stirring；
Hollow glass micropearl is added in second solution, stirs, slurry is made；
The slurry is molded building exterior wall heat preserving plate by mold.
Preferably, in the step of preparing first solution, when alpha semi-hydrated gypsum powder is added, while silicon ash is added
And flyash；And/or
In the step of preparing first solution, after the water and the alpha semi-hydrated gypsum is added, the time of stirring
For 45~60s.
Preferably, in the step of preparing second solution, the retarder, the water-retaining agent and the fibre is being added
When dimension, while redispersable latex powder and calcium formate is added；And/or
In the step of preparing second solution, after the retarder, the water-retaining agent and the fiber is added, stir
2~the 3min of time mixed.
Preferably, in the step of preparing the slurry, when the hollow glass micropearl is added in second solution,
The hollow glass micropearl is added while stirring, after the hollow glass micropearl all is added, stirs 1~3min.
Preferably, the consistency of the slurry is 75~90mm.
Compared with prior art, the beneficial effects of the present invention are: be main former with alpha semi-hydrated gypsum and hollow glass micropearl
Material manufactures insulation board, and manufactured insulation board has brilliant compression strength and thermal and insulating performance.Alpha semi-hydrated gypsum has strong
The features such as spending height, light weight, fire prevention, sound insulation and insulation, thermal coefficient is 0.17W/ (mK), far below ordinary cement
Thermal coefficient.0.08~0.16g/cm3 of bulk density of hollow glass micropearl (HGM), 3~120MPa of compression strength, thermal coefficient
0.03~0.043W/ (mK) has many advantages, such as that light-weight, thermal coefficient is low, compression strength is high, fire prevention, sound insulation and environmental protection.
Specific embodiment
In the following, being described further in conjunction with specific embodiment to the present invention, it should be noted that is do not collided
Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.
Embodiment one:
The embodiment of the present invention one provides a kind of building exterior wall heat preserving plate, is made of slurry, and slurry includes following parts by weight
Several components: 1 part of alpha semi-hydrated gypsum powder, 0.3~0.6 part of hollow glass microbead, 0~0.003 part of retarder, water-retaining agent 0~
0.003 part, 0~0.001 part of fiber, 0~0.3 part of water.Alpha semi-hydrated gypsum has intensity height, light weight, fire prevention, sound insulation and guarantor
Temperature it is heat-insulated the features such as, thermal coefficient be 0.17W/ (m K), far below the thermal coefficient of ordinary cement (ordinary cement it is thermally conductive
Coefficient is 0.29W/ (mK)), wherein alpha semi-hydrated gypsum is made using autoclave method, the half water stone of α type as made from autoclave method
The compression strength of cream reaches 50~60MPa.0.08~0.16g/cm3 of bulk density of hollow glass micropearl (HGM), compression strength 3~
120MPa, 0.03~0.043W/ of thermal coefficient (mK), with light-weight, thermal coefficient is low, compression strength is high, fire prevention, sound insulation
And the advantages that environmental protection.
Preferably, retarder is sodium polyphosphate, and water-retaining agent is polyacrylamide.
Preferably, fiber includes polypropylene fibre, vinal, basalt fibre or polyethylene terephthalate
At least one of fiber.
Preferably, pulp components one of also comprise the following components or a variety of: redispersable latex powder, silicon ash, formic acid
Calcium and flyash.Alpha semi-hydrated gypsum setting time is shorter, will start within 4-8 minutes to condense, and addition sodium polyphosphate can be used as slow
Solidifying agent, facilitates the rate of set for delaying alpha semi-hydrated gypsum.Polyacrylamide facilitates the mixed of a variety of materials as water-retaining agent
Close and can increase the consistency of mixing material；Redispersable latex powder, which is added, can enhance the bending strength of insulation board；Silicon ash is added can
Enhance the compression strength of insulation board；Calcium formate is added, the early strength of insulation board can be increased, that is, after referring to condensation of materials hardening,
The intensity that insulation board can be increased as early as possible, can use as early as possible after being made so as to insulation board；Mixed slurry can be enhanced in flyash
Workability, so that more evenly, each section of manufactured insulation board is uniform for the mixing of each section material during production insulation board
It is closely knit and be avoided that generation layering and segregation phenomenon.
Preferably, when the parts by weight of alpha semi-hydrated gypsum powder are 1 part, the parts by weight of other components are preferably as follows: can
The parts by weight that the parts by weight of redisperse latex powder are 0~0.1 part, the parts by weight of silicon ash are 0~0.03 part, calcium formate
Parts by weight for 0~0.03 part and flyash are 0~0.1 part.
Preferably, the weight proportion of one each component of the embodiment of the present invention is as follows: alpha semi-hydrated gypsum is 1 part, and hollow glass is micro-
Pearl is 0.3 part, the parts by weight of sodium polyphosphate are 0~0.003 part, the parts by weight of polyacrylamide are 0~0.003 part,
The parts by weight that the parts by weight of redispersable latex powder are 0~0.1 part, the parts by weight of silicon ash are 0~0.03 part, calcium formate
Parts by weight for 0~0.03 part, flyash are 0~0.1 part and the parts by weight of fiber are 0~0.001 part, manufactured guarantor
The thermal coefficient of warm plate is 0.078 (W/ (m*k)), compression strength 42MPa.
The embodiment of the present invention one additionally provides a kind of production method of assembled architecture outer wall insulation board, including walks as follows
It is rapid:
S100: being added water in blender, is proportionally added into alpha semi-hydrated gypsum, and it is molten to be made first by uniform stirring 45-60s
Liquid；It of courses, when alpha semi-hydrated gypsum powder is added, silicon ash and flyash can be added simultaneously；
S200: being proportionally added into retarder, water-retaining agent and fiber in the first solution, stirs 2~3min, and it is molten to be made second
Liquid；It of courses, when retarder, water-retaining agent and fiber is added, redispersable latex powder and calcium formate can be added simultaneously；
S300: being added hollow glass micropearl in the second solution while stirring, and slurry is made；Hollow glass micropearl all adds
After entering, 1~3min is stirred, so that slurry consistency is between 75~90mm；
S400: being packed into mold for slurry, through 5~for 24 hours after demould, conserve 7~24 hours, insulation board be made.
Preferably, in the present embodiment, the insulation board after demoulding conserves 7~24 hours rears and can be used, i.e., will be after demoulding
Insulation board stands to place 7~24 hours and reuse.Of course, the insulation board after demoulding can also use immediately.
Embodiment two
It is different that the present embodiment from the difference of embodiment one essentially consists in the parts by weight of hollow glass micropearl.Specifically, originally
In embodiment, in the component of slurry, the weight of alpha semi-hydrated gypsum powder is 1 part, and the weight of hollow glass micropearl is 0.4 part, poly
The parts by weight of sodium phosphate are 0~0.003 part, the parts by weight of polyacrylamide are 0~0.003 part, redispersable latex powder
Parts by weight be 0~0.1 part, the parts by weight of silicon ash are 0~0.03 part, the parts by weight of calcium formate are 0~0.03 part, powder
The parts by weight of coal ash are 0~0.1 part and the parts by weight of fiber are 0~0.001 part, and the thermal coefficient of manufactured insulation board is
0.069 (W/ (m*k)), compression strength 35MPa.
Embodiment three
It is different that the present embodiment from the difference of embodiment one essentially consists in the parts by weight of hollow glass micropearl.Specifically, originally
In embodiment, in the component of slurry, the weight of alpha semi-hydrated gypsum powder is 1 part, and the weight of hollow glass micropearl is 0.5 part, poly
The parts by weight of sodium phosphate are 0~0.003 part, the parts by weight of polyacrylamide are 0~0.003 part, redispersable latex powder
Parts by weight be 0~0.1 part, the parts by weight of silicon ash are 0~0.03 part, the parts by weight of calcium formate are 0~0.03 part, powder
The parts by weight of coal ash are 0~0.1 part and the parts by weight of fiber are 0~0.001 part, and the thermal coefficient of manufactured insulation board is
0.064 (W/ (m*k)), compression strength 27MPa.
Example IV
It is different that the present embodiment from the difference of embodiment one essentially consists in the parts by weight of hollow glass micropearl.Specifically, originally
In embodiment, in the component of slurry, the weight of alpha semi-hydrated gypsum powder is 1 part, and the weight of hollow glass micropearl is 0.6 part, poly
The parts by weight of sodium phosphate are 0~0.003 part, the parts by weight of polyacrylamide are 0~0.003 part, redispersable latex powder
Parts by weight be 0~0.1 part, the parts by weight of silicon ash are 0~0.03 part, the parts by weight of calcium formate are 0~0.03 part, powder
The parts by weight of coal ash are 0~0.1 part and the parts by weight of fiber are 0~0.001 part, and the thermal coefficient of manufactured insulation board is
0.059 (W/ (m*k)), compression strength 21MPa.
It should be noted that pulp components described in embodiment two, embodiment three and example IV, in addition to hollow glass micropearl
Weight proportion it is inconsistent outer, the weight proportion of other components is consistent with embodiment.Similarly, the building exterior wall heat preserving
The production method of plate is also the same as example 1.It of courses, the weight fraction ratio of said components is preferred numberical range, each group
As long as dividing in above-mentioned numberical range, insulation board described in this programme can all be made.
Following table is the performance detection data to the insulation board of embodiment one to four
It can be seen that by the detection data of upper table, the number accounting of hollow glass micropearl is more, and thermal coefficient is lower, pressure resistance
Degree also decreases.
The embodiment of the present invention is provided with the technical solution for solving existing issue: with alpha semi-hydrated gypsum and hollow glass
Glass microballon is that main raw material(s) manufactures insulation board, and manufactured insulation board has brilliant compression strength and thermal and insulating performance.
It should be noted that in the embodiment of the present invention institute it is directional instruction (such as up, down, left, right, before and after, top,
Bottom ...) it is only used for explaining the relative positional relationship etc. between component each under a certain particular pose, if the particular pose
When changing, then directionality instruction also correspondingly changes correspondingly.
It should also be noted that, when an element is referred to as being " fixed " or " disposed " on another element, which can
Directly on the other element or may be simultaneously present centering elements.When an element referred to as " connects " another yuan
Part, it, which can be, is directly connected to another element or may be simultaneously present centering elements.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of building exterior wall heat preserving plate, which is characterized in that be made of slurry, the slurry includes the group of following parts by weight
Point: 1 part of alpha semi-hydrated gypsum powder, 0.3~0.6 part of hollow glass microbead, 0~0.003 part of retarder, 0~0.003 part of water-retaining agent,
0~0.001 part of fiber, 0~0.3 part of water.
2. building exterior wall heat preserving plate according to claim 1, which is characterized in that the retarder is sodium polyphosphate, institute
Stating water-retaining agent is polyacrylamide.
3. building exterior wall heat preserving plate according to claim 1, which is characterized in that the fiber includes polypropylene fibre, poly- second
At least one of enol fiber, basalt fibre or dacron fibre.
4. building exterior wall heat preserving plate according to any one of claims 1 to 3, which is characterized in that the component of the slurry is also
Including redispersable latex powder and/or silicon ash and/or calcium formate and/or flyash.
5. building exterior wall heat preserving plate according to claim 4, which is characterized in that the slurry further includes following parts by weight
Component: 0~0.1 part of redispersable latex powder；0~0.03 part of silicon ash；0~0.03 part of calcium formate；0~0.1 part of flyash.
6. a kind of production method of building exterior wall heat preserving plate as described in any one in claim 1-5, which is characterized in that including such as
Lower step:
Water is added in blender, alpha semi-hydrated gypsum powder is then added, the first solution is made in stirring；
Retarder, water-retaining agent and fiber are added in first solution, the second solution is made in stirring；
Hollow glass micropearl is added in second solution, stirs, slurry is made；
The slurry is molded building exterior wall heat preserving plate by mold.
7. the production method of building exterior wall heat preserving plate according to claim 6, which is characterized in that
In the step of preparing first solution, when alpha semi-hydrated gypsum powder is added, while silicon ash and flyash is added；And/
Or,
In the step of preparing first solution, after the water and the alpha semi-hydrated gypsum is added, the time of stirring is 45
~60s.
8. the production method of building exterior wall heat preserving plate described according to claim 6 or 7, which is characterized in that
In the step of preparing second solution, when the retarder, the water-retaining agent and the fiber is added, add simultaneously
Enter redispersable latex powder and calcium formate；And/or
In the step of preparing second solution, after the retarder, the water-retaining agent and the fiber is added, stirring
2~3min of time.
9. the production method of building exterior wall heat preserving plate described according to claim 6 or 7, which is characterized in that preparing the slurry
The step of in, when the hollow glass micropearl is added in second solution, the hollow glass micropearl is added while stirring,
After the hollow glass micropearl all is added, 1~3min is stirred.
10. the production method of building exterior wall heat preserving plate described according to claim 6 or 7, which is characterized in that the consistency of the slurry
For 75~90mm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922154A (en) * | 2019-12-16 | 2020-03-27 | 湖南昌迅科技环保股份有限公司 | Gypsum-based insulation board and preparation method thereof |
| CN111620713A (en) * | 2020-05-21 | 2020-09-04 | 贵州开磷磷石膏综合利用有限公司 | Phosphogypsum-based light heat-preservation floor heating module and preparation method thereof |
| CN114163804A (en) * | 2021-12-22 | 2022-03-11 | 广东美的白色家电技术创新中心有限公司 | Thermal insulation material, preparation mold and preparation method of thermal insulation material and thermal insulation device |
| CN114621026A (en) * | 2021-05-20 | 2022-06-14 | 瓮福化工科技有限公司 | Gypsum-based light sound insulation prefabricated groove heat insulation board and preparation method thereof |
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Application publication date: 20190906 |