CN110723947B - Novel thermal-insulation building material - Google Patents

Novel thermal-insulation building material Download PDF

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Publication number
CN110723947B
CN110723947B CN201911213772.2A CN201911213772A CN110723947B CN 110723947 B CN110723947 B CN 110723947B CN 201911213772 A CN201911213772 A CN 201911213772A CN 110723947 B CN110723947 B CN 110723947B
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parts
building material
foaming
alginate
particle size
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CN110723947A (en
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徐耀东
邓兴明
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Shenzhen Zhiben building energy saving materials Co.,Ltd.
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Shenzhen Zhiben Building Energy Saving Materials Co ltd
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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
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • 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
    • C04B2111/40—Porous or lightweight 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Building Environments (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a thermal building material which comprises the following components in parts by weight: 30-60 parts of Portland cement, 10-30 parts of polyvinyl alcohol water-soluble short fibers, 5-20 parts of inorganic fibers, 1-10 parts of modified cellulose, 1-10 parts of alginate, 0-10 parts of foaming microspheres, 1-10 parts of ferric oxide, 1-10 parts of ferroferric oxide and 1-10 parts of silicon dioxide. The novel thermal insulation building material disclosed by the invention has good thermal insulation performance and fireproof performance, can be used for keeping warm for a long time, is safe and environment-friendly, is low in production cost and wide in application range, and is worthy of popularization and application.

Description

Novel thermal-insulation building material
Technical Field
The invention belongs to the field of building materials, and particularly relates to a novel thermal building material.
Background
Energy conservation and environmental protection, and is the basic national policy of China. The building is used as a building material with large energy consumption and unqualified heat preservation, the building material is heated to run wind in winter, and the building material is cooled to leak air in summer, so that the national energy consumption is increased, the energy expenditure of residents is increased, and more pollution emission is caused.
In order to solve this problem, the national institutes and construction departments have required the popularization and use of heat-insulating (warm-keeping) building materials nationwide. However, the building materials on the market at present have uneven product quality and large difference of heat preservation performance, and are difficult to ensure good heat preservation and warm-keeping effects.
In view of the above, the invention provides a novel thermal building material.
Disclosure of Invention
The invention aims to provide a novel thermal insulation building material which has good thermal insulation performance and fireproof performance.
The technical scheme provided by the invention is as follows:
a thermal insulation building material comprises the following components in parts by weight: 30-60 parts of Portland cement, 10-30 parts of polyvinyl alcohol water-soluble short fibers, 5-20 parts of inorganic fibers, 1-10 parts of modified cellulose, 1-10 parts of alginate, 0-10 parts of foaming microspheres, 1-10 parts of ferric oxide, 1-10 parts of ferroferric oxide and 1-10 parts of silicon dioxide.
Further, in the above-mentioned case,
in any of the above technical schemes, the composition comprises the following components in parts by weight: 30-60 parts of Portland cement, 10-25 parts of polyvinyl alcohol water-soluble short fibers, 5-20 parts of inorganic fibers, 1-10 parts of modified cellulose, 1-10 parts of alginate, 1-10 parts of foaming microspheres, 1-10 parts of ferric oxide, 1-10 parts of ferroferric oxide and 1-10 parts of silicon dioxide.
Further, in the above-mentioned case,
in any of the above technical schemes, the composition comprises the following components in parts by weight: 30-60 parts of Portland cement, 10-25 parts of polyvinyl alcohol water-soluble short fibers, 5-20 parts of inorganic fibers, 1-10 parts of modified cellulose, 1-10 parts of alginate, 1-10 parts of foaming microspheres, 4-6 parts of ferric oxide, 2-3 parts of ferroferric oxide and 1-10 parts of silicon dioxide.
Further, in the above-mentioned case,
in any of the above embodiments, the inorganic fibers are selected from glass fibers and/or asbestos fibers; the modified cellulose is selected from hydroxypropyl methyl cellulose and/or sodium carboxymethyl cellulose; the alginate is selected from sodium alginate, potassium alginate and/or calcium alginate.
Further, in the above-mentioned case,
in any of the above technical schemes, the initial foaming temperature of the foaming microspheres is 110 ℃ to 160 ℃; preferably, the initial foaming temperature of the foaming microspheres is 130-150 ℃.
Further, in the above-mentioned case,
in any of the above technical schemes, the particle size of the iron oxide is 10nm to 60 nm; the particle size of the ferroferric oxide is 10-60 nm; the particle size of the silicon dioxide is 30 nm-100 nm.
Further, in the above-mentioned case,
in any of the above technical solutions, the particle size of the iron oxide is 40nm to 50 nm; the particle size of the ferroferric oxide is 10-20 nm; the particle size of the silicon dioxide is 80 nm-90 nm.
Further, in the above-mentioned case,
in any of the above technical solutions, the thermal building material is made by the following method: (1) foaming and expanding the foaming microspheres at the temperature of 110-160 ℃ for 1-10 minutes, and cooling for later use; (2) according to the proportion, the components are taken and mixed evenly, then water is added, and the mixture is stirred, poured and formed to obtain the concrete.
Further, in the above-mentioned case,
in any of the above technical schemes, in the step (1), the foaming temperature is 130-150 ℃; the foaming time is 1 to 3 minutes.
Further, in the above-mentioned case,
in any technical scheme, in the step (2), 20-60 parts of water are added; preferably, water is added in an amount of 35 to 45 parts.
The novel thermal insulation building material disclosed by the invention has good thermal insulation performance and fireproof performance, can be used for keeping warm for a long time, is safe and environment-friendly, is low in production cost, stable in product quality and wide in application range, and is worthy of popularization and application.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description is given for clear and complete description of the technical solution of the present invention with reference to the embodiments of the present invention, and other similar embodiments obtained by those skilled in the art without any creative effort based on the embodiments of the present application shall fall within the protection scope of the present application.
Those whose specific conditions are not specified in the examples are carried out according to conventional conditions or conditions recommended by the manufacturer; the reagents or apparatus used are not specified by the particular manufacturer, and are all conventional products available commercially.
Example 1
The invention relates to a novel thermal insulation building material which comprises the following components in parts by weight: 52 parts of portland cement, 15 parts of polyvinyl alcohol water-soluble short fibers, 8 parts of glass fibers, 5 parts of hydroxypropyl methyl cellulose, 3 parts of calcium alginate, 5 parts of foaming microspheres (the initial foaming temperature is 130-150 ℃), 5 parts of nano ferric oxide (the particle size is 40-50 nm), 2 parts of nano ferroferric oxide (the particle size is 10-20 nm) and 5 parts of nano silicon dioxide (the particle size is 80-90 nm);
the preparation method comprises the following steps: (1) foaming and expanding the foamed microspheres at 140 ℃ for 2 minutes, and cooling for later use; (2) according to the proportion, the components are taken and mixed evenly, then 40 parts of water is added, stirred, poured and formed, and the novel thermal insulation building material is obtained.
Example 2
The parts of the novel warm-keeping building material, which are the same as those in embodiment 1, are not described again, but the novel warm-keeping building material comprises the following components in parts by weight: 35 parts of portland cement, 25 parts of polyvinyl alcohol water-soluble short fibers, 15 parts of glass fibers, 5 parts of hydroxypropyl methyl cellulose, 2 parts of calcium alginate, 5 parts of foaming microspheres (the initial foaming temperature is 130-150 ℃), 5 parts of nano ferric oxide (the particle size is 40-50 nm), 3 parts of nano ferroferric oxide (the particle size is 10-20 nm) and 5 parts of nano silicon dioxide (the particle size is 80-90 nm).
Example 3
The novel thermal building material is the same as the novel thermal building material in example 1, and the parts are not repeated, except that 50 parts of Portland cement, 15 parts of polyvinyl alcohol water-soluble short fibers, 10 parts of glass fibers, 5 parts of hydroxypropyl methyl cellulose, 3 parts of calcium alginate, 5 parts of foaming microspheres (the initial foaming temperature is 130-150 ℃), 2 parts of nano ferric oxide (the particle size is 40-50 nm), 8 parts of nano ferroferric oxide (the particle size is 40-50 nm), and 2 parts of nano silicon dioxide (the particle size is 80-90 nm).
Example 4
The novel thermal building material is the same as the novel thermal building material in example 1, and the parts are not repeated, except that 52 parts of Portland cement, 15 parts of polyvinyl alcohol water-soluble short fibers, 8 parts of glass fibers, 5 parts of hydroxypropyl methyl cellulose, 3 parts of calcium alginate, 5 parts of foaming microspheres (the initial foaming temperature is 130-150 ℃), 5 parts of nano ferric oxide (the particle size is 40-50 nm), 2 parts of nano ferroferric oxide (the particle size is 40-50 nm), and 5 parts of nano silicon dioxide (the particle size is 40-50 nm).
Example 5
The parts of the novel thermal building material, which are the same as those in embodiment 1, are not described again, but the glass fiber is replaced by asbestos fiber.
Example 6
The parts of the novel thermal insulation building material, which are the same as those in the embodiment 1, are not described again, but the hydroxypropyl methyl cellulose is replaced by sodium carboxymethyl cellulose.
Example 7
The parts of the novel thermal insulation building material, which are the same as those in the embodiment 1, are not described again, and the difference is that the components do not contain the foaming microspheres.
The advantageous effects of the present invention will be described by the following test examples.
Test example 1 test of Heat insulating Properties
Materials having a thermal conductivity of less than 0.2W/(mK) are generally referred to as insulating materials; a material having a thermal conductivity of 0.05W/(mK) or less is referred to as a high-efficiency heat insulating material. That is, the smaller the thermal conductivity coefficient of the material is, the better the heat preservation and warm keeping performance of the material is.
The novel thermal insulation building material obtained in the embodiment of the invention is used as a test sample, the thermal conductivity coefficient is detected, and the result is shown in table 1.
TABLE 1 test results of thermal conductivity
Figure BDA0002298911720000051
The results show that the novel thermal insulation building material has good thermal insulation performance, and can obtain a high-efficiency thermal insulation material under specific conditions.
Test example 2 fire rating test
The novel thermal insulation building material is subjected to fire-proof grade detection by adopting a method specified in GB-T5464 building material incombustibility test method, and the result is shown in Table 2.
TABLE 2 fire rating test results
Detecting items Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7
Fire rating A1 A1 A1 A2 A1 A1 A2
The results show that the novel thermal insulation building material has good fireproof performance.

Claims (8)

1. A thermal insulation building material is characterized in that: the paint comprises the following components in parts by weight: 30-60 parts of Portland cement, 10-25 parts of polyvinyl alcohol water-soluble short fibers, 5-20 parts of inorganic fibers, 1-10 parts of modified cellulose, 1-10 parts of alginate, 1-5 parts of foaming microspheres, 4-6 parts of ferric oxide, 2-3 parts of ferroferric oxide and 1-10 parts of silicon dioxide;
the particle size of the ferric oxide is 40 nm-50 nm; the particle size of the ferroferric oxide is 10-20 nm; the particle size of the silicon dioxide is 80 nm-90 nm.
2. The thermal building material of claim 1, wherein: the inorganic fibers are selected from glass fibers and/or asbestos fibers; the modified cellulose is selected from hydroxypropyl methyl cellulose and/or sodium carboxymethyl cellulose; the alginate is selected from sodium alginate, potassium alginate and/or calcium alginate.
3. The thermal building material of claim 1, wherein: the initial foaming temperature of the foaming microspheres is 110-160 ℃.
4. The thermal building material of claim 3, wherein: the initial foaming temperature of the foaming microspheres is 130-150 ℃.
5. The thermal building material of claim 1, wherein: is prepared by the following steps: (1) foaming and expanding the foaming microspheres at the temperature of 110-160 ℃ for 1-10 minutes, and cooling for later use; (2) according to the proportion, the components are taken and mixed evenly, then water is added, and the mixture is stirred, poured and formed to obtain the concrete.
6. The thermal building material of claim 5, wherein: in the step (1), the foaming temperature is 130-150 ℃; the foaming time is 1 to 3 minutes.
7. The thermal building material of claim 5, wherein: in the step (2), 20-60 parts of water are added.
8. The thermal building material of claim 7, wherein: the amount of water added is 35-45 parts.
CN201911213772.2A 2019-12-02 2019-12-02 Novel thermal-insulation building material Active CN110723947B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102020449A (en) * 2010-09-27 2011-04-20 曹志勇 Composite silicate heat preservation mortar
CN102206444A (en) * 2011-05-23 2011-10-05 开平市日固力涂料有限公司 Waterproof heat-insulating paint for concrete-made external wall
CN102816493A (en) * 2012-07-05 2012-12-12 成钢 Multi-element multifunctional healthy longevity-promoting nanometer environment-friendly interior-wall paint rich in silver, selenium and germanium
CN106243321A (en) * 2016-08-02 2016-12-21 四川航科新材料科技有限公司 A kind of functional urethane elastomeric material and preparation method thereof
CN108046832A (en) * 2017-12-08 2018-05-18 西能化工科技(上海)有限公司 Keep the temperature lacquer and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108083753B (en) * 2018-01-12 2018-10-23 深圳摩盾环保新材料有限公司 A kind of gypsum base sprays lightweight plastering material and preparation method thereof without sand mold machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102020449A (en) * 2010-09-27 2011-04-20 曹志勇 Composite silicate heat preservation mortar
CN102206444A (en) * 2011-05-23 2011-10-05 开平市日固力涂料有限公司 Waterproof heat-insulating paint for concrete-made external wall
CN102816493A (en) * 2012-07-05 2012-12-12 成钢 Multi-element multifunctional healthy longevity-promoting nanometer environment-friendly interior-wall paint rich in silver, selenium and germanium
CN106243321A (en) * 2016-08-02 2016-12-21 四川航科新材料科技有限公司 A kind of functional urethane elastomeric material and preparation method thereof
CN108046832A (en) * 2017-12-08 2018-05-18 西能化工科技(上海)有限公司 Keep the temperature lacquer and preparation method thereof

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Address after: 621000 Southwest University of science and technology, No.10 Yanjiang West Street, Fucheng District, Mianyang City, Sichuan Province

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