CN111517722A - Passive house organic wallboard and preparation method thereof - Google Patents
Passive house organic wallboard and preparation method thereof Download PDFInfo
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- CN111517722A CN111517722A CN202010360348.7A CN202010360348A CN111517722A CN 111517722 A CN111517722 A CN 111517722A CN 202010360348 A CN202010360348 A CN 202010360348A CN 111517722 A CN111517722 A CN 111517722A
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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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
- 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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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a passive house organic wallboard which is prepared from the following raw materials in parts by weight: the feed is prepared from the following raw materials in parts by weight: 60-80 parts of Portland cement, 60-80 parts of organic silicon resin, 40-60 parts of organic cementing material, 20-30 parts of cellulose ether, 10-20 parts of retarder, 10-20 parts of defoaming agent and 40-60 parts of water; the preparation method comprises the following steps: (1) weighing the raw materials; (2) mixing the silicate cement with water, and uniformly stirring; (3) adding organic silicon resin and organic cementing material, and stirring uniformly; (4) sequentially adding cellulose ether, retarder and defoamer, stirring to be completely mixed, and performing compression molding to obtain the product. The product of the invention has the characteristics of excellent heat preservation and insulation effect, low cost, high cost performance and the like, has longer service life, and particularly conforms to the application of passive house buildings and the application of indoor sound insulation, heat preservation and the like of civil buildings.
Description
Technical Field
The invention relates to the technical field of organic materials, in particular to an organic wallboard of a passive house and a preparation method thereof.
Background
The 'passive house' is an integrator of various technical products, the total amount of all consumed primary energy sources does not exceed 120 kilowatt-hour/(square meter year) by fully utilizing renewable energy sources, and the low energy consumption standard is realized by building outer walls with high heat insulation and sound insulation and strong sealing performance and the renewable energy sources.
The passive house is a brand new energy-saving building concept advocated abroad and is also an important opportunity and platform for promoting the energy-saving work of buildings in China. The Zhongde passive low-energy-consumption office building located in the Hebei province building science and technology research and development center in Hebei province Shijiazhuan city is a German inter-technology cooperation project in 2012, and is a public building designed by adopting the German 'passive house' standard in Hebei province and even the first case of the whole country. 1 floor underground and 6 floors above ground, and the building floor area is about 2100m2Total building area 14119m2About 2100 a below groundm2About 12000m above ground2The 'passive house' area is one to six floors above the ground, and the main functions are scientific research office, technical exhibition, small office meeting and the like.
With the rapid development of buildings, the heat-insulating materials are reasonably adopted in the buildings, so that the consumption of building materials can be reduced, the industrialization degree of building construction is improved, energy is greatly saved, consumption is reduced, the heat-insulating materials originally used in the buildings are mainly based on the improvement of the living comfort degree, the heat-insulating materials are shifted to the energy saving, and the use of the heat-insulating materials in the buildings has important significance for relieving the energy crisis and improving the living level of people.
Therefore, how to develop a thermal insulation, energy-saving and environment-friendly 'passive house' wallboard material is a problem to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides the organic wallboard for the passive house and the preparation method thereof, which have the characteristics of excellent heat preservation and insulation effects, low cost, high cost performance and the like, have long service life, and particularly meet the application of indoor sound insulation, heat preservation and the like of passive house buildings and civil buildings.
In order to achieve the purpose, the invention adopts the following technical scheme:
the organic wallboard of the passive house is prepared from the following raw materials in parts by weight: 60-80 parts of Portland cement, 60-80 parts of organic silicon resin, 40-60 parts of organic cementing material, 20-30 parts of cellulose ether, 10-20 parts of retarder, 10-20 parts of defoaming agent and 40-60 parts of water.
Preferably: 70 parts of Portland cement, 70 parts of organic silicon resin, 50 parts of organic gel material, 25 parts of cellulose ether, 15 parts of retarder, 15 parts of defoaming agent and 50 parts of water.
Further, the organic silicon resin is any one or a mixture of a plurality of polyalkyl organic silicon resin, polyaryl organic silicon resin and polyalkyl aryl organic silicon resin.
The silicone resin has the further beneficial effects that the silicone resin has excellent thermal oxidation stability, excellent electrical insulation performance and outstanding weather resistance, and also has the characteristics of water resistance, salt fog resistance, mould resistance and the like.
Further, the organic cementing material is any one or a mixture of several of asphalt, resin and rubber.
The organic cementing material has the further beneficial effects that other materials (portland cement) can be cemented into a whole and have certain strength.
The cellulose ether is one or a mixture of several of carboxymethyl cellulose, hydroxyethyl methyl cellulose and hydroxypropyl methyl cellulose.
The cellulose ether is used as a protective colloid to wrap solid particles (Portland cement) and form a lubricating film on the outer surface of the solid particles, so that the system is more stable, and the fluidity of the system in the stirring process and the smoothness of construction are improved.
Further, the retarder is any one or a mixture of several of hydroxycarboxylic acid retarder, polyhydric alcohol retarder and phosphoric acid retarder.
The retarder has the further beneficial effects that the retarder can prolong the hydration hardening time of portland cement, so that the system can keep plasticity for a long time, and the setting time of the system is adjusted.
Further, the defoaming agent is any one or a mixture of several of polyether defoaming agent, polydimethylsiloxane and polyether modified organic silicon defoaming agent.
The defoaming agent has the further beneficial effects that the defoaming agent has strong defoaming force, does not influence the basic properties of a system when added into a foaming system, has stable chemical property, strong oxidation resistance, good gas solubility and permeability, no physiological activity and high safety.
A preparation method of an organic wallboard of a passive house specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the passive house organic wallboard;
(2) mixing portland cement and water, and uniformly stirring to obtain a mixed material A;
(3) adding organic silicon resin and an organic cementing material into the mixed material A obtained in the step (2), and uniformly stirring to obtain a mixed material B;
(4) and (4) sequentially adding cellulose ether, a retarder and a defoaming agent into the mixed material B obtained in the step (3), stirring until the cellulose ether, the retarder and the defoaming agent are completely mixed, and performing compression molding to obtain the passive house organic wallboard.
Further, in the step (1) and the step (2), the stirring speed is 80-120 r/min, and the time is 20-30 min.
Further, in the step (3), the stirring speed is 50-80 r/min, and the stirring time is 30-60 min.
According to the technical scheme, compared with the prior art, the organic wallboard of the passive house and the preparation method thereof have the following beneficial effects:
1. according to the invention, through the use of the Portland cement, the organic silicon resin and the organic cementing material, the toughness and the environment-friendly flame retardant property of the organic wallboard material are improved, so that the problems of cracking and easy cracking of the wallboard are solved, the service life of the wallboard is prolonged, meanwhile, the plasticity of the organic wallboard is enhanced, and the wallboard is easy to form during hot pressing;
2. by using the cellulose ether, the retarder and the defoamer, the quality of the organic wallboard material is improved, so that the manufactured organic wallboard has high structural strength and long service life;
3. the organic wallboard prepared by the method has the advantages of smooth surface, uniform structure and low heat conductivity coefficient.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The passive house organic wallboard is prepared from the following raw materials in parts by weight: 60kg of Portland cement, 60kg of polyalkyl organic silicon resin, 40kg of asphalt, 20kg of carboxymethyl cellulose, 10kg of hydroxycarboxylic acid retarder, 10kg of polyether defoaming agent and 40kg of water.
The preparation method specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the passive house organic wallboard;
(2) mixing the portland cement with water, and stirring at the rotating speed of 80r/min for 30min to obtain a mixed material A;
(3) adding polyalkyl organic silicon resin and asphalt into the mixed material A obtained in the step (2), and stirring at the rotating speed of 80r/min for 30min to obtain a mixed material B;
(4) and (4) sequentially adding carboxymethyl cellulose, hydroxycarboxylic acid retarder and polyether defoamer into the mixed material B obtained in the step (3), stirring at the rotating speed of 50r/min for 60min, and performing compression molding to obtain the passive house organic wallboard.
Example 2
The passive house organic wallboard is prepared from the following raw materials in parts by weight: 70kg of Portland cement, 70kg of polyaryl organic silicon resin, 50kg of resin, 25kg of hydroxyethyl methyl cellulose, 15kg of polyol retarder, 15kg of polydimethylsiloxane and 50kg of water.
The preparation method specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the passive house organic wallboard;
(2) mixing portland cement and water, and stirring at the rotating speed of 100r/min for 25min to obtain a mixed material A;
(3) adding polyaryl organic silicon resin and resin into the mixed material A obtained in the step (2), and stirring at the rotating speed of 100r/min for 25min to obtain a mixed material B;
(4) and (4) sequentially adding hydroxyethyl methyl cellulose, a polyol retarder and polydimethylsiloxane into the mixed material B obtained in the step (3), stirring for 45min at a rotating speed of 60r/min, and performing compression molding to obtain the passive room organic wallboard.
Example 3
The passive house organic wallboard is prepared from the following raw materials in parts by weight: 80kg of Portland cement, 80kg of polyalkylaryl silicone resin, 60kg of rubber, 30kg of hydroxypropyl methyl cellulose, 20kg of phosphoric acid retarder, 20kg of polyether modified silicone defoamer and 60kg of water.
The preparation method specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the passive house organic wallboard;
(2) mixing the portland cement with water, and stirring at the rotating speed of 120r/min for 30min to obtain a mixed material A;
(3) adding polyalkylaryl organic silicon resin and rubber into the mixed material A obtained in the step (2), and stirring at the rotating speed of 120r/min for 30min to obtain a mixed material B;
(4) and (4) sequentially adding hydroxypropyl methyl cellulose, a phosphoric acid retarder and a polyether modified organic silicon type defoaming agent into the mixed material B obtained in the step (3), stirring at the rotating speed of 80r/min for 30min, and performing compression molding to obtain the passive room organic wallboard.
Performance testing
The heat conductivity coefficient of the passive house organic wallboard finished products prepared in the embodiments 1-3 is respectively tested according to GB/T10294-2008, and the tensile strength and the elongation at break are respectively tested according to GB/T16777-2008, and the results are shown in Table 1.
Table 1 passive house organic wall board finished product performance test result
| Item | Thermal conductivity W/(m.k) | Tensile Strength (MPa) | Elongation at Break (%) |
| Example 1 | 0.018 | 26.7 | 682 |
| Example 2 | 0.013 | 27.2 | 696 |
| Example 3 | 0.015 | 26.5 | 685 |
As can be seen from table 1, the thermal conductivity, tensile strength and elongation at break of the finished passive room organic wall boards prepared in embodiments 1 to 3 of the present invention all meet the relevant regulations, wherein embodiment 2 is the best embodiment.
In conclusion, the organic wallboard of the passive house prepared by the invention has the characteristics of excellent heat preservation and insulation effects, low cost, high cost performance and the like, has long service life, and particularly meets the application of indoor sound insulation, heat preservation and the like of passive house buildings and civil buildings.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The organic wallboard of the passive house is characterized by being prepared from the following raw materials in parts by weight: 60-80 parts of Portland cement, 60-80 parts of organic silicon resin, 40-60 parts of organic cementing material, 20-30 parts of cellulose ether, 10-20 parts of retarder, 10-20 parts of defoaming agent and 40-60 parts of water.
2. The passive house organic wallboard of claim 1, characterized by being prepared from the following raw materials in parts by weight: 70 parts of Portland cement, 70 parts of organic silicon resin, 50 parts of organic gel material, 25 parts of cellulose ether, 15 parts of retarder, 15 parts of defoaming agent and 50 parts of water.
3. A passive room organic wall panel according to claim 1 or 2, wherein the silicone resin is any one or a mixture of polyalkyl silicone resin, polyaryl silicone resin and polyalkyl aryl silicone resin.
4. A passive building panel according to claim 1 or 2, wherein said organic cementitious material is any one or a mixture of asphalt, resin and rubber.
5. A passive organic room wall panel according to claim 1 or 2, wherein the cellulose ether is any one or a mixture of carboxymethyl cellulose, hydroxyethyl methyl cellulose and hydroxypropyl methyl cellulose.
6. The passive organic house wallboard of claim 1 or 2, wherein the retarder is any one or a mixture of hydroxycarboxylic acid retarder, polyalcohol retarder and phosphoric acid retarder.
7. The passive house organic wallboard according to claim 1 or 2, wherein the defoaming agent is any one or a mixture of polyether defoaming agent, polydimethylsiloxane and polyether modified organic silicon defoaming agent.
8. A preparation method of an organic wallboard of a passive house is characterized by comprising the following steps:
(1) weighing the raw materials according to the parts by weight of the passive house organic wallboard of any one of claims 1-7;
(2) mixing portland cement and water, and uniformly stirring to obtain a mixed material A;
(3) adding organic silicon resin and an organic cementing material into the mixed material A obtained in the step (2), and uniformly stirring to obtain a mixed material B;
(4) and (4) sequentially adding cellulose ether, a retarder and a defoaming agent into the mixed material B obtained in the step (3), stirring until the cellulose ether, the retarder and the defoaming agent are completely mixed, and performing compression molding to obtain the passive house organic wallboard.
9. The method for preparing the organic wallboard of the passive house according to claim 8, wherein in the step (1) and the step (2), the rotation speed of the stirring is 80-120 r/min, and the time is 20-30 min.
10. The method for preparing the organic wallboard of the passive house according to claim 8, wherein in the step (3), the rotation speed of the stirring is 50-80 r/min, and the time is 30-60 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360348.7A CN111517722A (en) | 2020-04-30 | 2020-04-30 | Passive house organic wallboard and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360348.7A CN111517722A (en) | 2020-04-30 | 2020-04-30 | Passive house organic wallboard and preparation method thereof |
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| CN111517722A true CN111517722A (en) | 2020-08-11 |
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| CN202010360348.7A Pending CN111517722A (en) | 2020-04-30 | 2020-04-30 | Passive house organic wallboard and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936119A (en) * | 2012-11-07 | 2013-02-20 | 浙江大学 | Interior wall decoration material composed of ecological inorganic minerals |
| CN106830812A (en) * | 2017-03-18 | 2017-06-13 | 李水金 | A kind of lightweight heat-proof artificial board |
| CN109180103A (en) * | 2018-09-20 | 2019-01-11 | 汪兰英 | A kind of the toughening organosilicon wall board material and preparation method of environmental protection flame retardant |
-
2020
- 2020-04-30 CN CN202010360348.7A patent/CN111517722A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936119A (en) * | 2012-11-07 | 2013-02-20 | 浙江大学 | Interior wall decoration material composed of ecological inorganic minerals |
| CN106830812A (en) * | 2017-03-18 | 2017-06-13 | 李水金 | A kind of lightweight heat-proof artificial board |
| CN109180103A (en) * | 2018-09-20 | 2019-01-11 | 汪兰英 | A kind of the toughening organosilicon wall board material and preparation method of environmental protection flame retardant |
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Application publication date: 20200811 |
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