CN111018459A - A kind of thermal insulation material and preparation method thereof - Google Patents
A kind of thermal insulation material and preparation method thereof Download PDFInfo
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- CN111018459A CN111018459A CN201911309279.0A CN201911309279A CN111018459A CN 111018459 A CN111018459 A CN 111018459A CN 201911309279 A CN201911309279 A CN 201911309279A CN 111018459 A CN111018459 A CN 111018459A
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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
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/105—Magnesium oxide or magnesium carbonate 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
- 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
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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
- 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
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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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明公开了一种保温材料及其制备方法，该保温材料包括以下重量份的原料：30～40份珠光砂、10～20份磷渣、3～5份玻璃纤维、4～8份酚醛树脂、3～5份聚醚多元醇、1～3份氧化镁、2～3份木质素磺酸钙。通过将上述原料按照重量份分批进行混合、搅拌、加热和烘干等步骤得到该保温材料。本发明的保温材料，原料之间相互配合，简单高效的同时也避免了传统聚氨酯保温材料的缺点，同时，利用废弃的磷渣作为原料之一，变废为宝，既有利于保护环境，又降低了成本。The invention discloses a thermal insulation material and a preparation method thereof. The thermal insulation material comprises the following raw materials in parts by weight: 30-40 parts of pearl sand, 10-20 parts of phosphorus slag, 3-5 parts of glass fiber, and 4-8 parts of phenolic resin , 3 to 5 parts of polyether polyol, 1 to 3 parts of magnesium oxide, and 2 to 3 parts of calcium lignosulfonate. The heat insulating material is obtained by performing the steps of mixing, stirring, heating and drying the above raw materials in batches according to parts by weight. The thermal insulation material of the present invention, the raw materials cooperate with each other, is simple and efficient, and also avoids the shortcomings of traditional polyurethane thermal insulation materials. Reduced costs.
Description
Technical Field
The invention relates to the field of heat insulation materials, in particular to a heat insulation material and a preparation method thereof.
Background
Insulation materials generally refer to materials with a thermal coefficient of less than or equal to 0.12, mainly used in the construction industry and in some mechanical fields, for example: most of northern areas are paved with heating, if the heat insulation effect of a house is not ideal, a large amount of energy for generating heating is additionally consumed, the cost rises suddenly, and the house is not friendly to the environment; in some cold regions, when a pipeline is laid, a lot of money is consumed to keep the temperature. Therefore, the properties of the thermal insulation material are more and more regarded, and the research and study of the technical personnel and the scientific research personnel in the field are also continuously carried out.
At present, the most widely used heat insulation material is polyurethane, and although polyurethane has excellent heat insulation effect and good production tolerance, polyurethane also has the defects of low flash point, high combustion speed, high flame temperature, easy smoldering, large smoke generated after combustion, strong toxicity and the like, so that fires caused by polyurethane foam are multiple fires, great harm, large loss and difficult to extinguish. Furthermore, polyurethane blowing agents are also environmentally hazardous. Therefore, it is necessary to provide a safe thermal insulation material with good thermal insulation effect and suitable for industrial production.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, solve the problems in the prior art, and provide a novel thermal insulation material, which is realized by the following technical scheme:
a heat insulation material comprises the following raw materials in parts by weight: 30-40 parts of pearl sand, 10-20 parts of phosphorous slag, 3-5 parts of glass fiber, 4-8 parts of phenolic resin, 3-5 parts of polyether polyol, 1-3 parts of magnesium oxide and 2-3 parts of calcium lignosulfonate.
The pearlite sand has the characteristics of light apparent density, low heat conductivity coefficient, good chemical stability, wide use temperature range, no toxicity, no odor and the like, is a good heat-insulating material, and has certain brittleness and general density; therefore, the problems of brittleness and compactness of the pearlife are improved by adding the phenolic resin and the glass fiber and combining the pearlife with the pearlife into a more compact structure, and the stability and the cracking resistance of the heat-insulating material are improved. Polyether polyol and calcium lignosulfonate are added as dispersing agents to reduce the difficulty of combination; in addition, the phosphorous slag is added, contains a large amount of phosphorus and other trace metal elements, is beneficial to improving the brittleness and density of the pearlife, also accords with the advocated concept of waste utilization, and simultaneously, the calcium lignosulfonate can also be used as a chelating agent to combine the metal elements in the phosphorous slag with other substances more tightly; finally, the magnesium oxide is added in the invention to improve the corrosion resistance of the heat-insulating material and further improve the comprehensive performance of the heat-insulating material.
In some preferred implementation cases, the heat insulation material comprises the following raw materials in parts by weight: 35 parts of pearl sand, 15 parts of phosphorous slag, 4 parts of glass fiber, 6 parts of phenolic resin, 4 parts of polyether polyol, 2 parts of magnesium oxide and 2 parts of calcium lignosulfonate.
In some preferred implementation cases, the heat insulation material comprises the following raw materials in parts by weight: 38 parts of pearl sand, 12 parts of phosphorous slag, 3 parts of glass fiber, 8 parts of phenolic resin, 5 parts of polyether polyol, 1 part of magnesium oxide and 3 parts of calcium lignosulphonate.
In some preferred implementation cases, the heat insulation material comprises the following raw materials in parts by weight: 32 parts of pearl sand, 18 parts of phosphorous slag, 5 parts of glass fiber, 5 parts of phenolic resin, 3 parts of polyether polyol, 3 parts of magnesium oxide and 3 parts of calcium lignosulphonate.
The invention also provides a preparation method of the heat insulation material, which comprises the following steps:
s1: mixing the pearl sand, the phenolic resin and the glass fiber according to the weight parts, adding a proper amount of water, uniformly stirring, and heating for 8-10 min at the temperature of 55-65 ℃;
s2: adding phosphorus slag, calcium lignosulphonate and polyether polyol according to parts by weight, uniformly stirring, and adding water to adjust the pH to 5-7;
s3: adding magnesium oxide according to the weight part, uniformly mixing and drying to obtain the heat-insulating material.
Preferably, in S1 of the above preparation method, the heating is carried out for 9min at a temperature of 60 ℃.
The invention has the beneficial effects that: the raw materials of the heat-insulating material are matched with each other, so that the heat-insulating material is simple and efficient, and simultaneously avoids the defects of the traditional polyurethane heat-insulating material, and meanwhile, waste phosphorus slag is used as one of the raw materials, so that the waste is changed into valuable, the environment is protected, and the cost is reduced.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described in the following embodiments to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1:
a heat insulation material comprises the following raw materials in parts by weight: 35 parts of pearl sand, 15 parts of phosphorous slag, 4 parts of glass fiber, 6 parts of phenolic resin, 4 parts of polyether polyol, 2 parts of magnesium oxide and 2 parts of calcium lignosulfonate. The preparation process comprises the following steps:
s1: mixing the pearl sand, the phenolic resin and the glass fiber according to the weight parts, adding a proper amount of water, uniformly stirring, and heating for 9min at the temperature of 60 ℃;
s2: adding phosphorus slag, calcium lignosulphonate and polyether polyol according to parts by weight, uniformly stirring, and adding water to adjust the pH to 5-7;
s3: adding magnesium oxide according to the weight part, uniformly mixing and drying to obtain the heat-insulating material.
Example 2:
a heat insulation material comprises the following raw materials in parts by weight: 38 parts of pearl sand, 12 parts of phosphorous slag, 3 parts of glass fiber, 8 parts of phenolic resin, 5 parts of polyether polyol, 1 part of magnesium oxide and 3 parts of calcium lignosulphonate. The preparation process comprises the following steps:
s1: mixing the pearl sand, the phenolic resin and the glass fiber according to the weight parts, adding a proper amount of water, uniformly stirring, and heating for 9min at the temperature of 60 ℃;
s2: adding phosphorus slag, calcium lignosulphonate and polyether polyol according to parts by weight, uniformly stirring, and adding water to adjust the pH to 5-7;
s3: adding magnesium oxide according to the weight part, uniformly mixing and drying to obtain the heat-insulating material.
Example 3:
a heat insulation material comprises the following raw materials in parts by weight: 32 parts of pearl sand, 18 parts of phosphorous slag, 5 parts of glass fiber, 5 parts of phenolic resin, 3 parts of polyether polyol, 3 parts of magnesium oxide and 3 parts of calcium lignosulphonate. The preparation process comprises the following steps:
s1: mixing the pearl sand, the phenolic resin and the glass fiber according to the weight parts, adding a proper amount of water, uniformly stirring, and heating for 9min at the temperature of 60 ℃;
s2: adding phosphorus slag, calcium lignosulphonate and polyether polyol according to parts by weight, uniformly stirring, and adding water to adjust the pH to 5-7;
s3: adding magnesium oxide according to the weight part, uniformly mixing and drying to obtain the heat-insulating material.
Example 4:
the results of tests on the heat insulating materials prepared in the embodiments 1, 2 and 3 are shown in table 1, and it can be seen from table 1 that the heat insulating material prepared by the present invention has good heat insulating effect and stability.
TABLE 1
Claims (6)
1. The heat insulation material is characterized by comprising the following raw materials in parts by weight: 30-40 parts of pearl sand, 10-20 parts of phosphorous slag, 3-5 parts of glass fiber, 4-8 parts of phenolic resin, 3-5 parts of polyether polyol, 1-3 parts of magnesium oxide and 2-3 parts of calcium lignosulfonate.
2. The heat insulation material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 35 parts of pearl sand, 15 parts of phosphorous slag, 4 parts of glass fiber, 6 parts of phenolic resin, 4 parts of polyether polyol, 2 parts of magnesium oxide and 2 parts of calcium lignosulfonate.
3. The heat insulation material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 38 parts of pearl sand, 12 parts of phosphorous slag, 3 parts of glass fiber, 8 parts of phenolic resin, 5 parts of polyether polyol, 1 part of magnesium oxide and 3 parts of calcium lignosulphonate.
4. The heat insulation material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 32 parts of pearl sand, 18 parts of phosphorous slag, 5 parts of glass fiber, 5 parts of phenolic resin, 3 parts of polyether polyol, 3 parts of magnesium oxide and 3 parts of calcium lignosulphonate.
5. A method for preparing a thermal insulation material according to any one of claims 1 to 4, comprising the steps of:
s1: mixing the pearl sand, the phenolic resin and the glass fiber according to the weight parts, adding a proper amount of water, uniformly stirring, and heating for 8-10 min at the temperature of 55-65 ℃;
s2: adding phosphorus slag, calcium lignosulphonate and polyether polyol according to parts by weight, uniformly stirring, and adding water to adjust the pH to 5-7;
s3: adding magnesium oxide according to the weight part, uniformly mixing and drying to obtain the heat-insulating material.
6. The method according to claim 5, wherein the heating in S1 is carried out for 9min at a temperature of 60 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911309279.0A CN111018459A (en) | 2019-12-18 | 2019-12-18 | A kind of thermal insulation material and preparation method thereof |
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| CN201911309279.0A CN111018459A (en) | 2019-12-18 | 2019-12-18 | A kind of thermal insulation material and preparation method thereof |
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Citations (6)
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|---|---|---|---|---|
| CN1358684A (en) * | 2002-01-10 | 2002-07-17 | 李长科 | Fire-resistant thermo-insulation board |
| CN102173675A (en) * | 2011-03-09 | 2011-09-07 | 东南大学 | Inorganic fireproof heat insulating plate and preparation method thereof |
| CN102787670A (en) * | 2012-07-06 | 2012-11-21 | 万国骅 | Fire-proof and thermal-insulation board and manufacturing method thereof |
| CN103183488A (en) * | 2011-12-29 | 2013-07-03 | 上海壬丰复合材料有限公司 | High-temperature-resistant high-pressure-resistant composite material thermal insulation plate and manufacturing method thereof |
| CN103708801A (en) * | 2013-12-31 | 2014-04-09 | 南京瑞迪高新技术有限公司 | Low-contraction high-cementation inorganic thermal-insulation mortar |
| CN104895203A (en) * | 2015-04-11 | 2015-09-09 | 长春工业大学 | A phenolic aldehyde thermal insulation section material containing inorganic filler and a production process thereof |
-
2019
- 2019-12-18 CN CN201911309279.0A patent/CN111018459A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1358684A (en) * | 2002-01-10 | 2002-07-17 | 李长科 | Fire-resistant thermo-insulation board |
| CN102173675A (en) * | 2011-03-09 | 2011-09-07 | 东南大学 | Inorganic fireproof heat insulating plate and preparation method thereof |
| CN103183488A (en) * | 2011-12-29 | 2013-07-03 | 上海壬丰复合材料有限公司 | High-temperature-resistant high-pressure-resistant composite material thermal insulation plate and manufacturing method thereof |
| CN102787670A (en) * | 2012-07-06 | 2012-11-21 | 万国骅 | Fire-proof and thermal-insulation board and manufacturing method thereof |
| CN103708801A (en) * | 2013-12-31 | 2014-04-09 | 南京瑞迪高新技术有限公司 | Low-contraction high-cementation inorganic thermal-insulation mortar |
| CN104895203A (en) * | 2015-04-11 | 2015-09-09 | 长春工业大学 | A phenolic aldehyde thermal insulation section material containing inorganic filler and a production process thereof |
Non-Patent Citations (4)
| Title |
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| 严捍东等: "《土木工程材料》", 31 August 2014, 同济大学出版社 * |
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