CN111995334B - Joint filling reinforcing agent for thermal insulation material and preparation method and application thereof - Google Patents
Joint filling reinforcing agent for thermal insulation material and preparation method and application thereof Download PDFInfo
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- CN111995334B CN111995334B CN202010694423.3A CN202010694423A CN111995334B CN 111995334 B CN111995334 B CN 111995334B CN 202010694423 A CN202010694423 A CN 202010694423A CN 111995334 B CN111995334 B CN 111995334B
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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
- C04B28/06—Aluminous 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing 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
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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)
Abstract
The invention provides a joint filling reinforcing agent for a heat insulating material, a preparation method and application thereof, wherein the joint filling reinforcing agent comprises the following components: portland cement, sulphoaluminate cement, superfine fly ash, superfine silica fume, penetrant and lubricating flow promoter. The polyphenyl particle heat-insulating board finally prepared by using the joint filling reinforcing agent provided by the invention has lower heat conductivity coefficient, namely, the heat-insulating performance is good; meanwhile, the compressive strength and the drawing strength of the steel are high, and the application requirements can be well met.
Description
Technical Field
The invention belongs to the technical field of heat insulation materials, relates to a joint filling reinforcing agent for a heat insulation material, and a preparation method and application thereof, and particularly relates to a joint filling reinforcing agent for a heat insulation material with high fluidity, and a preparation method and application thereof.
Background
The wall body heat preservation is an important link of energy saving and consumption reduction, the effect of heat preservation and heat insulation is achieved by arranging heat preservation materials for the wall body, energy is saved, and living comfort is improved, the external wall heat preservation materials comprise rock wool, polystyrene boards, extruded sheets, polyphenyl particle slurry and the like, wherein the rock wool is an inorganic material, has a heat preservation function and a fireproof function, is one of heat preservation materials favored by the building industry, the building fireproof design specification requires that A-level heat preservation materials are arranged in important places with intensive personnel, a fireproof isolation zone is required to be arranged for the general building industry, the effect of inhibiting fire occurrence is achieved, and the A-level heat preservation materials are one of indispensable materials in the heat preservation industry.
The polystyrene particles are one of the raw materials of the polystyrene board, and the polystyrene particle adhesive cement can meet the requirements of A-level fireproof heat-insulating materials due to the special characteristics of inorganic coating organic materials, and is a common product for external heat insulation once; however, as the construction needs to be carried out on site, a lot of inconvenience is brought, and the use in the market is gradually reduced; the polystyrene particle slurry is replaced with a heat-preservation template formed by polystyrene particle slurry, but the strength of the polystyrene particle slurry formed into a plate is lower, so that the polystyrene particle slurry cannot meet the application requirement.
CN103803907A discloses a cement and polyphenyl particle foaming insulation board and a preparation method thereof, wherein the cement and polyphenyl particle foaming insulation board is prepared from the following raw materials in parts by weight: 150 portions of cement, 160 portions of flame-retardant polyphenyl granules, 1.5 to 2 portions of fiber, 6 to 6.5 portions of foaming agent, 2 to 3 portions of foam stabilizer, 2.5 to 3.5 portions of emulsion, 1.5 to 2.5 portions of waterproofing agent and 100 to 12 portions of warm water at the temperature of between 50 and 60 ℃; although the foaming heated board that this patent application provided is higher in compressive strength, its pull-out strength is lower, and the application effect is relatively poor.
Therefore, at present, a heat insulation material with good heat insulation performance and high compressive strength and drawing strength is needed to meet the application requirements.
Disclosure of Invention
The invention aims to provide a joint filling reinforcing agent for a thermal insulation material, and a preparation method and application thereof. The joint filling reinforcing agent for the heat-insulating material has high fluidity, and the polyphenyl particle heat-insulating board finally prepared by utilizing the joint filling reinforcing agent has lower heat conductivity coefficient, namely, the heat-insulating performance is good; meanwhile, the compressive strength and the drawing strength of the steel are high, and the application requirements can be well met.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a joint filling reinforcing agent for a thermal insulation material, which comprises the following components: portland cement, sulphoaluminate cement, superfine fly ash, superfine silica fume, penetrant and lubricating flow promoter.
In the invention, through the matching of the penetrating agent and the lubricating flow-promoting agent, the lubricating flow-promoting agent macroscopically increases the fluidity of the joint mixture, while the penetrating agent reduces the surface tension of the joint mixture and microscopically increases the binding force of the joint mixture and the polyphenyl particles, and the penetrating agent and the polyphenyl particles have synergistic action, so that the finally obtained joint mixture reinforcing agent has better seepage effect when in application, can well penetrate and fill in gaps among the polyphenyl particles, and simultaneously is matched with other components, so that the finally obtained insulation board has better insulation effect, higher compressive strength and drawing strength.
As a preferable scheme of the invention, the penetrating agent is fatty alcohol-polyoxyethylene ether, and the lubricating flow-promoting agent is polytetrafluoroethylene micro powder.
Further preferably, the mass ratio of the penetrant to the lubricant flow promoter is (1-8): 1, such as 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, etc.
In a preferred embodiment of the present invention, the mass ratio of the portland cement to the sulphoaluminate cement is (6.5-16): 1, for example, 7:1, 8:1, 9:1, 10:1, 11:1, 12:1, 13:1, 14:1, 15:1, and the like.
According to the invention, through the matching of the ordinary Portland cement and the sulphoaluminate cement, the final joint filling reinforcing agent has proper setting time, so that the molding time of the heat-insulating board can be saved, and the joint filling reinforcing agent can be given enough time to be completely filled into the gaps of the polyphenyl particle heat-insulating board; if the addition amount of the sulphoaluminate cement is too large, the sulphoaluminate cement can be quickly condensed, so that part of gaps are not filled with the joint filling reinforcing agent, the heat conductivity coefficient of the finally obtained heat insulation material is increased, and the strength is reduced; if the amount of the sulfoaluminate cement is too small, the gelling time is prolonged, and the molding time is prolonged, which is equivalent to a reduction in molding efficiency.
The portland cement of the invention is ordinary portland cement. According to the regulation of GB175-2007, ordinary portland cement means: the hydraulic cementing material is made up by grinding Portland cement clinker, 5% -20% of mixed material and proper quantity of gypsum, and is called general Portland cement, for short, general cement.
As a preferable scheme of the invention, the joint filling reinforcing agent for the thermal insulation material comprises the following components in parts by weight:
in the present invention, the portland cement is 55 to 80 parts, such as 60 parts, 65 parts, 70 parts, 75 parts, 78 parts, and the like. In the present invention, the sulfoaluminate cement is 5 to 8 parts, for example, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, etc. In the present invention, the ultrafine fly ash is 8 to 15 parts, such as 10 parts, 11 parts, 12 parts, 13 parts, 14 parts and the like. In the present invention, the ultrafine silica powder is 5 to 10 parts, for example, 6 parts, 7 parts, 8 parts, 9 parts, etc. In the present invention, the penetrant is 0.05-0.08 parts, etc., such as 0.06 parts, 0.07 parts, etc. In the present invention, the lubricity improver is 0.01 to 0.05 parts, such as 0.02 parts, 0.03 parts, 0.04 parts, and the like.
In the invention, as a preferred technical scheme, the joint filling reinforcing agent comprises the following components in percentage by mass:
the joint filling reinforcing agent has high fluidity, and the initial fluidity of the joint filling reinforcing agent can reach more than 150 mm. The fluidity refers to the fluidity of the mortar when the mortar is mixed and used, the test is carried out according to a method in JC/T985-2017 cement-based self-leveling mortar for ground, and the high fluidity refers to the initial fluidity of 150 mm.
In the present invention, the portland cement is 55-80%, such as 60%, 65%, 70%, 75%, 78%, etc. In the present invention, the sulfoaluminate cement is 5 to 8%, for example, 5.5%, 6%, 6.5%, 7%, 7.5%, etc. In the present invention, the ultrafine fly ash is 8 to 15%, for example, 10%, 11%, 12%, 13%, 14%, etc. In the present invention, the ultrafine silica powder is 5 to 10%, for example, 6%, 7%, 8%, 9%, etc. In the present invention, the polymer emulsion is 1-3%, such as 1.5%, 2%, 2.5%, etc. In the present invention, the water reducing agent is 0.1 to 0.2%, for example, 0.12%, 0.14%, 0.15%, 0.16%, 0.18%, etc. In the present invention, the water repellent is 0.1 to 0.2%, for example, 0.12%, 0.14%, 0.15%, 0.16%, 0.18%, etc. In the present invention, the thickening and water retaining agent is 0.05 to 0.15%, for example, 0.08%, 0.10%, 0.12%, 0.14%, etc. In the present invention, the defoaming agent is 0.05 to 0.1%, for example, 0.06%, 0.07%, 0.08%, 0.09%, etc. In the present invention, the penetrant is 0.05-0.08%, etc., such as 0.06%, 0.07%, etc. In the present invention, the lubricity improver is 0.01-0.05%, e.g., 0.02%, 0.03%, 0.04%, etc.
Preferably, the ultrafine fly ash is selected from fly ash with a mesh size of above 800, and the ultrafine silica fume is selected from silica fume with a mesh size of above 1250.
Preferably, the polymer emulsion is selected from acrylic emulsions.
And/or the water reducing agent is selected from polycarboxylic acid water reducing agents.
And/or the water repellent is selected from silicon water repellents.
Preferably, the thickening and water retaining agent is selected from hydroxypropyl methyl cellulose.
Preferably, the hydroxypropylmethylcellulose has a viscosity of 400-10000 mPas, for example, 500 mPas, 1000 mPas, 2000 mPas, 5000 mPas, 8000 mPas, etc.
Preferably, the defoamer is selected from polyether defoamers.
The preparation method of the joint filling reinforcing agent for the heat insulating material comprises the following steps: mixing the components according to the formula ratio to obtain the joint filling reinforcing agent for the heat-insulating material.
In a second aspect, the invention provides an application of the joint filling reinforcing agent for the thermal insulation material in the first aspect in thermal insulation materials, preferably in polyphenyl particle thermal insulation boards.
In a third aspect, the invention provides a polyphenyl particle heat-insulating board, and the raw materials for preparing the polyphenyl particle heat-insulating board comprise the joint filling reinforcing agent for the heat-insulating material in the first aspect.
In the invention, the preparation method of the polyphenyl particle insulation board can comprise the following steps:
(1) mixing the heat-insulating material of the first aspect with a joint filling reinforcing agent and water to obtain joint filling slurry;
(2) mixing polyphenyl particles with an emulsion adhesive and placing the mixture in a mold;
(3) pouring the joint filling slurry obtained in the step (1) into the mold in the step (2), and then drying and forming to obtain the polyphenyl particle heat insulation board.
Preferably, in step (1), the water is added in an amount of 20-35% by mass of the caulking enhancer, such as 22%, 25%, 28%, 30%, 32%, 34%, etc.
The polyphenyl particle heat insulation board obtained by the invention has lower heat conductivity coefficient, higher compressive strength and higher drawing strength.
Compared with the prior art, the invention has the following beneficial effects:
(1) in the invention, through the matching of the penetrating agent and the lubricating flow-promoting agent, the finally obtained joint filling reinforcing agent has better seepage effect when being applied, can well penetrate and fill gaps among polyphenyl granules, and simultaneously is matched with other components, so that the finally obtained insulation board has better insulation effect, higher compressive strength and drawing strength;
(2) in the invention, through the matching of the common Portland cement and the sulphoaluminate cement, the final joint filling reinforcing agent has proper setting time, the molding time of the heat-insulating board can be saved, and the joint filling reinforcing agent can be given enough time to be completely filled between gaps of the polyphenyl particle heat-insulating board;
(3) the polyphenyl particle heat insulation board provided by the invention has a low heat conductivity coefficient, high compressive strength and high drawing strength, wherein the heat conductivity coefficient is below 0.046W/m.k, the compressive strength can still reach more than 0.4MPa, and the drawing strength can also reach more than 0.18 MPa.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
Preparation example 1
The joint filling reinforcing agent for the heat insulation material comprises the following components in percentage by mass:
the polymer emulsion is styrene-acrylic emulsion, the water reducing agent is a polycarboxylic acid water reducing agent, the water repellent is sodium methyl silicate, the thickening and water retaining agent is hydroxypropyl methyl cellulose, the viscosity is 2000mPa & s, the defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether, the penetrating agent is fatty alcohol polyoxyethylene ether, and the lubricating flow-promoting agent is polytetrafluoroethylene micro powder.
The preparation method comprises the following steps:
the components with the formula ratio are uniformly mixed to obtain the joint filling reinforcing agent for the heat-insulating material.
Preparation example 2
The joint filling reinforcing agent for the heat insulation material comprises the following components in percentage by mass:
the polymer emulsion is styrene-acrylic emulsion, the water reducing agent is a polycarboxylic acid water reducing agent, the water repellent is sodium methyl silicate, the thickening and water retaining agent is hydroxypropyl methyl cellulose, the viscosity is 5000mPa & s, the defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether, the penetrating agent is fatty alcohol polyoxyethylene ether, and the lubricating flow-promoting agent is polytetrafluoroethylene micro powder.
The preparation method comprises the following steps:
the components with the formula ratio are uniformly mixed to obtain the joint filling reinforcing agent for the heat-insulating material.
Preparation example 3
The joint filling reinforcing agent for the heat insulation material comprises the following components in percentage by mass:
the polymer emulsion is styrene-acrylic emulsion, the water reducing agent is a polycarboxylic acid water reducing agent, the water repellent is sodium methyl silicate, the thickening and water retaining agent is hydroxypropyl methyl cellulose, the viscosity is 8000mPa & s, the defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether, the penetrating agent is fatty alcohol polyoxyethylene ether, and the lubricating flow-promoting agent is polytetrafluoroethylene micro powder.
The preparation method comprises the following steps:
the components with the formula ratio are uniformly mixed to obtain the joint filling reinforcing agent for the heat-insulating material.
Comparative preparation examples 1 to 2
The difference from preparation example 1 is that in this comparative preparation example, the addition amount of the sulfoaluminate cement was 12% (comparative preparation example 1) and 1% (comparative preparation example 2), and the addition amount of the portland cement was increased or decreased accordingly.
Comparative preparation example 3
The difference from preparation example 1 is that in this comparative preparation example, the penetrant uses sodium diisobutylnaphthalenesulfonate instead of the fatty alcohol-polyoxyethylene ether used in preparation example 1.
Comparative preparation example 4
The difference from preparation example 1 is that in this comparative preparation example, talc was used in place of the polytetrafluoroethylene fine powder used in preparation example 1.
Comparative preparation example 5
The difference from preparation example 1 is that in this comparative preparation example, no lubricity improver was added, and the amount of penetrant added was 0.1% based on the sum of the amounts of lubricity improver and penetrant added.
Comparative preparation example 6
The difference from preparation example 1 is that in this comparative preparation example, no penetrant was added, while the amount of the lubricity improver added was 0.1% of the sum of the amounts of the lubricity improver and the penetrant added.
Example 1
A polyphenyl particle heat-insulation board is prepared by the following steps:
(1) mixing the joint filling reinforcing agent for the thermal insulation material provided by the preparation example 1 with water, wherein the addition amount of the water is 30% of the mass of the joint filling reinforcing agent, so as to obtain joint filling slurry;
(2) mixing virgin polyphenyl particles with the diameter of 4-5mm and acrylic emulsion with the solid content of 40% and placing the mixture in a mold;
(3) pouring the joint filling slurry obtained in the step (1) into the mold obtained in the step (2), and then drying and forming to obtain the polyphenyl particle heat insulation board, wherein the usage amount of the joint filling slurry is 0.4kg/L by taking the volume of the primary polyphenyl particles as a reference.
Examples 2 to 3
The difference from example 1 is that in this example, the joint filling reinforcing agent for thermal insulation material provided in production example 1 was replaced with the joint filling reinforcing agent for thermal insulation material provided in production examples 2 to 3.
Comparative examples 1 to 6
The difference from example 1 is that in this comparative example, the joint filling reinforcing agent for thermal insulation material provided in production example 1 was replaced with the joint filling reinforcing agent for thermal insulation material provided in comparative production examples 1 to 6.
Comparative example 7
The difference from example 1 is that in this comparative example, no joint filling reinforcing agent for insulation material was added.
Comparative example 8
Commercially available polystyrene boards.
Performance testing
The performance of the polyphenyl particle heat-insulation boards provided by the embodiments 1-3 and the comparative examples 1-8 is tested, and the heat conductivity coefficient, the compressive strength and the drawing strength of the polyphenyl particle heat-insulation boards are tested according to a test method in GB/T29906-2013 molded polyphenyl board thin plastered exterior wall external heat-insulation system material;
the test results are shown in table 1:
TABLE 1
The embodiment and the performance test show that the joint filling reinforcing agent for the heat insulating material has high fluidity, and the final polyphenyl particle heat insulating board has lower heat conductivity coefficient, higher compressive strength and higher drawing strength, wherein the heat conductivity coefficient is below 0.046W/m.k, the compressive strength can still reach more than 0.4MPa, and the drawing strength can also reach more than 0.18 MPa.
As can be seen from the comparison between example 1 and comparative examples 1 to 2, in the present invention, if the amount of the sulphoaluminate cement is too small, the molding time is prolonged, and if the amount of the sulphoaluminate cement is too large, the heat insulation performance and strength of the finally obtained insulation board are reduced; as can be seen from the comparison of example 1 with comparative examples 3 to 4, excellent heat insulating properties and pressure resistance can be achieved by selecting a penetrant and a lubricity improver having a specific composition according to the present invention; as can be seen from the comparison between the embodiment 1 and the comparative examples 5 to 6, in the invention, the penetrating agent and the lubricating flow promoter have synergistic effect, and the penetrating agent and the lubricating flow promoter interact with each other, so that the finally obtained polyphenyl particle heat-insulation board has lower heat conductivity coefficient and higher compressive strength and drawing strength; as can be seen from the comparison between the embodiment 1 and the comparative example 7, the joint filling reinforcing agent for the thermal insulation material provided by the invention can greatly improve the thermal insulation performance and the strength of the finally obtained thermal insulation board; compared with the prior art, the insulation board provided by the invention has higher compressive strength and drawing strength as can be known from comparison between the embodiment 1 and the comparative example 8.
The applicant states that the invention is illustrated by the above examples to provide a joint filling enhancer for insulation materials, a method for preparing the same and applications of the same, but the invention is not limited to the above detailed methods, i.e., it is not meant that the invention must be practiced in such a way as to rely on the above detailed methods. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (9)
1. The joint filling reinforcing agent for the heat insulation material is characterized by comprising the following components in parts by weight:
the penetrating agent is fatty alcohol-polyoxyethylene ether, and the lubricating flow-promoting agent is polytetrafluoroethylene micro powder.
2. The joint filling reinforcing agent for the thermal insulation material as claimed in claim 1, wherein the joint filling reinforcing agent comprises the following components in percentage by mass:
3. the joint filling enhancer for thermal insulation material as claimed in claim 2, wherein the polymer emulsion is selected from acrylic emulsion;
and/or the water reducing agent is selected from a polycarboxylic acid water reducing agent;
and/or the water repellent is selected from silicon water repellents.
4. The joint filling reinforcing agent for thermal insulation material as claimed in claim 2, wherein the thickening and water retaining agent is selected from hydroxypropyl methylcellulose.
5. The joint filling enhancer for thermal insulation material as set forth in claim 4, wherein the hydroxypropylmethylcellulose has a viscosity of 400-10000 mPa-s.
6. The joint filling reinforcing agent for thermal insulation material as claimed in claim 2, wherein the defoaming agent is selected from polyether defoaming agents.
7. Use of the joint filling enhancer for insulation material according to any one of claims 1 to 6 in insulation material.
8. The use according to claim 7, in polystyrene particle insulation boards.
9. A polyphenyl particle heat insulation board is characterized in that a preparation raw material of the polyphenyl particle heat insulation board comprises the joint filling reinforcing agent for the heat insulation material in any one of claims 1 to 6.
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| CN202010694423.3A CN111995334B (en) | 2020-07-17 | 2020-07-17 | Joint filling reinforcing agent for thermal insulation material and preparation method and application thereof |
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| CN202010694423.3A CN111995334B (en) | 2020-07-17 | 2020-07-17 | Joint filling reinforcing agent for thermal insulation material and preparation method and application thereof |
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| JP2009029682A (en) * | 2007-07-30 | 2009-02-12 | Aica Kogyo Co Ltd | Aqueous urethane mortar composition and floor |
| CN103482933A (en) * | 2013-09-12 | 2014-01-01 | 东南大学 | Fiber-reinforced composite insulation board and extrusion forming preparing method |
| CN110344509A (en) * | 2019-05-24 | 2019-10-18 | 穆振奎 | A kind of preparation method of enhanced infiltration fireproof heated board |
| CN111138138B (en) * | 2020-01-08 | 2022-08-23 | 江苏阿路美格新材料股份有限公司 | Heat-insulation and decoration integrated plate, heat-insulation plate, outer-layer decoration plate and preparation method |
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