WO2015147585A1 - Composition inorganique destinée à fabriquer un panneau de construction et procédé de fabrication d'un panneau de construction l'utilisant - Google Patents

Composition inorganique destinée à fabriquer un panneau de construction et procédé de fabrication d'un panneau de construction l'utilisant Download PDF

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WO2015147585A1
WO2015147585A1 PCT/KR2015/003025 KR2015003025W WO2015147585A1 WO 2015147585 A1 WO2015147585 A1 WO 2015147585A1 KR 2015003025 W KR2015003025 W KR 2015003025W WO 2015147585 A1 WO2015147585 A1 WO 2015147585A1
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weight
parts
mixing
inorganic
manufacturing
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Korean (ko)
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조준영
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(주)제이와이
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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
    • C04B28/34—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 cold phosphate binders
    • C04B28/346—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 cold phosphate binders the phosphate binder being present in the starting composition as a mixture of free acid and one or more phosphates
    • C04B28/348—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 cold phosphate binders the phosphate binder being present in the starting composition as a mixture of free acid and one or more phosphates the starting mixture also containing one or more reactive oxides

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  • the present invention relates to an inorganic composition for manufacturing a building board and a method for manufacturing a building board using the same, and more particularly, non-combustible by mixing an inorganic binder with excellent non-flammable and excellent water resistance, excellent adhesive strength and natural minerals such as vermiculite, pearlite, mica
  • the present invention relates to an inorganic composition for manufacturing a building board capable of manufacturing a building board which is safe in topic, has excellent strength, and is resistant to moisture, and a method for manufacturing a building board using the composition.
  • non-combustible and functional mineral materials that can be used as materials for household goods such as building materials or furniture have been developed.
  • mineral materials are expanded vermiculite (vermiculite) or expanded pearl rock (pearlite). These minerals are mixed with a binder that acts as an adhesive in powder or granular form, and then molded into a plate to be manufactured into a board.
  • 10-2005-0111300 and its manufacturing method is a method of producing a vermiculite board by mixing and calcined with vermiculite and silica
  • the teugwa asbestos, rosin powder, glycerin, sodium silicate, zinc oxide is mixed, and describes a method for producing the interior material by compression molding.
  • Korean Patent Publication No. 10-0556902 discloses a method for producing an inorganic binder using a liquid sodium silicate. According to this, a method of producing an inorganic binder which is resistant to moisture and water by adding a certain amount of acid to sodium silicate to form an insoluble sodium salt is described.
  • the binder produced by this method has a high permeability, so it is absorbed very much in the raw vermiculite (vermiculite), etc., the consumption of the binder is too much, and the weight of the product becomes heavier as the binder is excessively consumed, and also manufactured vermiculite board, etc.
  • the use of organic binders to improve the adhesive strength is eliminated intrinsic non-combustibility
  • the water resistance is vulnerable enough to crumble or collapse.
  • the present invention has been made in order to solve the above problems, excellent adhesive strength, toughness and water resistance, has a suitable viscosity to adhere only to the surface of the raw material does not penetrate into the inside to reduce the consumption of the binder, porous material It is a first problem to provide an inorganic composition for building a board for building a mixture of a new inorganic binder and inorganic materials such as expanded vermiculite, expanded pearl rock, mica, etc. which do not halve the specific effects.
  • the present invention provides a method for producing a building board using the inorganic composition for building a building board using the inorganic composition completed by mixing the inorganic binder and the inorganic material, and to provide a building inorganic board manufactured by the second problem. .
  • the inorganic composition for building board manufacture of the present invention which solved the above problems is 30 to 40 parts by weight of the inorganic binder with respect to the total amount of the inorganic composition; Vermiculite 15-47 parts by weight; 15 to 47 parts by weight of pearlite; It consists of 1 to 4 parts by weight of tensile increasing material,
  • the inorganic binder is 50 to 80 parts by weight of silicic acid, 5 to 15 parts by weight of aqueous solution of lime or calcium, 4 to 15 parts by weight of aqueous solution of boric acid or phosphate, 3 to 15 parts by weight of powdery silica and liquid silica sol 5 Characterized in that it comprises a ⁇ 25 parts by weight.
  • the aqueous solution of boric acid or aqueous solution of phosphoric acid is characterized in that the dilution solution is diluted 2 to 10 parts by weight of boric acid or phosphoric acid with respect to 100 parts by weight of water.
  • any one or more selected from charcoal, wood flour or loess may be further mixed with respect to 100 parts by weight of the inorganic composition.
  • the tensile strength increasing material is characterized in that any one or more selected from mica, zinc, copper, cedar wood flour, vegetable fiber or fruit peel, glass fiber, carbon fiber or calcium reinforcement.
  • step (c) mixing the inorganic composition by adding the inorganic binder of step (a) to the raw material of step (b) and mixing for 3 to 5 minutes;
  • step (d) transferring the inorganic composition mixed in the step (c) to the raw material storage container of the molding machine and injecting the inorganic composition of the raw material storage container into the molding mold by applying an air pressure of 5 to 10 kg / mm 2;
  • step (f) cooling the panel molded in step (e) by leaving it at room temperature for at least 24 hours;
  • step (B) preparing an acid solution diluted by adding boric acid or phosphoric acid to water heated to a temperature of 75 to 85 ° C., and adding the acid solution to the mixture prepared in step (A) for 2 to 3 hours. step;
  • the silica comprises a step of mixing the powdered silica and liquid silica having an average particle distribution of 2 ⁇ 30 ⁇ m and mixing for 30 to 60 minutes Provides a method of manufacturing a board.
  • step (b) is further mixed with any one or more selected from the group consisting of charcoal, loess, wood flour, the mixing amount of 1 to 4 parts by weight based on 100 parts by weight of the inorganic composition of the step (c) Characterized in that.
  • the inorganic composition of step (c) is characterized in that the mixture to include 30 to 40 parts by weight of the inorganic binder with respect to the total amount of the inorganic composition.
  • the tensile strength increasing material of step (c) is characterized in that any one or more selected from the group consisting of glass fiber, carbon fiber, mica, vegetable fiber, fruit peel, cedar wood flour, calcium reinforcing material.
  • the inorganic binder constituting the present invention forms an impermeable coating when heat-molded together with the raw materials, so that moisture does not penetrate into the board, so that the water resistance is good, and the adhesive strength is also very good, and the board manufactured using the binder has excellent strength. It is very resistant to moisture and is suitable for use in building or furniture materials.
  • the building board provided by the present invention is manufactured using only inorganic materials, so it is a non-flammable non-flammable material, so there is no fear of burning or generating toxic gas in a fire.
  • the board provided by the present invention is a main raw material of the porous vermiculite, pearlite, their inherent functions are excellent sound absorption, deodorant, heat insulation, and moisture control function, emits far-infrared rays beneficial to the human body, and also excellent antibacterial It is a material.
  • the building board provided by the present invention can be used as a building material for interior or furniture, and when manufactured in the form of a honeycomb with a hole partially formed in the plate can be used as an intermediate insert such as doors, walls.
  • FIG. 1 is a process chart showing an example of a method of manufacturing a building board of the present invention.
  • FIG. 2 is a block diagram illustrating a compounding step of the inorganic binder constituting the present invention.
  • the present invention discloses an inorganic composition for manufacturing a building board, a method for manufacturing a building board using the same, and a building board manufactured by the same.
  • the inorganic composition for manufacturing a building board according to the present invention comprises 30 to 40 parts by weight of an inorganic binder, 15 to 47 parts by weight of vermiculite, 15 to 47 parts by weight of expanded pearl rock, and 1 to 4 parts by weight of tensile strength increasing material.
  • the inorganic binder is 50 to 80 parts by weight of silicic acid, 5 to 15 parts by weight of aqueous solution of calcium hydroxide or calcium, 4 to 15 parts by weight of aqueous solution of boric acid or phosphate, 3 to 15 parts by weight of powdery silica and liquid silica sol 5 It consists of ⁇ 25 parts by weight, the aqueous solution of boric acid or aqueous solution of phosphate is used to dilute 2 to 10 parts by weight of boric acid or phosphoric acid with respect to 100 parts by weight of water.
  • the inorganic binder preferably contains 30 to 40 parts by weight based on the total amount of the inorganic composition, if the critical range If the weight is less than 30 parts by weight, the weight may be lighter, but the strength may be weaker, the adhesive strength may be reduced, the chipping may occur, or the defective rate may be increased during the molding or processing, and the strength may be stronger when the weight is exceeded.
  • the increase in weight and the heating time to stick or mold into the mold can reduce daily output and have a significant impact on cost increases.
  • the vermiculite has a disadvantage in that it is less than the required level of strength and hardness as a building board when added by less than 15 parts by weight, and when added in excess of 47 parts by weight, the strength and hardness of the board is increased but the water resistance is lowered And the deformation of the panel may occur.
  • the pearlite has a disadvantage in that it is difficult to obtain the required level of strength as a building board when added to less than 15 parts by weight, and if it exceeds 47 parts by weight, the water resistance is excellent, the hardness is high but the strength is lowered There is this.
  • the tensile strength increasing material is added to increase the tensile strength of the bonded board, regardless of the upper and lower threshold value, the impact on the panel's tensile strength and flexural failure load is insignificant, but effective in preventing the deformation of the panel, The level of demand is not excellent, and exceeding the threshold may affect the tensile strength and flexural load of the panel. However, the increase is insignificant and the cost of production rises. If not less than the threshold, there is a disadvantage that can not be expected to increase the tensile strength and flexural failure load of the bonded board.
  • any one or more selected from charcoal, loess or wood flour may be further mixed with respect to 100 parts by weight of the inorganic composition.
  • the charcoal, loess or wood flour is added, there is an advantage to obtain a beautiful appearance in terms of design. If the addition amount is less than the threshold value, the design element is not added to the product and the threshold value is exceeded. Although it can form an excellent appearance, there is a problem that the strength of the overall panel is weakened or the additives can be released.
  • the tensile strength increasing material added to improve the strength of the board made of the final product is any one selected from glass fiber, carbon fiber, mica, copper, vegetable fiber, cedar wood flour, fruit bark or calcium reinforcement
  • the addition amount is mixed so that 1-4 weight part may be included with respect to the inorganic composition total amount. If the amount is less than 1 part by weight, the overall strength of the panel may be weakened, deformation may occur, or the defective rate may increase during production. If the amount is more than 4 parts by weight, the cost increases and the weight of the panel increases.
  • the present invention provides a method of manufacturing a building board using the inorganic composition disclosed above. Referring to Figure 1,
  • the manufacturing method comprises the steps of (a) combining the inorganic binder in a blender to prepare an inorganic binder (S10); and
  • step (c) mixing the inorganic composition by adding the inorganic binder of step (a) to the raw material of step (b) and mixing for 3 to 5 minutes (S30); and
  • step (d) transferring the inorganic composition mixed in the step (c) to the raw material storage container of the molding machine and injecting the inorganic composition of the raw material storage container into the molding mold by applying an air pressure of 5 to 10 kg / mm 2 (S40). );Wow
  • step (f) allowing the panel molded in step (e) to stand at room temperature for at least 24 hours for cooling (S60);
  • the surface grinding is polished using a circular diamond cutting blade to solve the problem that the non-uniform polishing surface and the paper's lifespan generated when using the paper abrasive are often short and need to be replaced.
  • the inorganic binder of step (a) (S10) is preferably prepared by the following method, the preparation process is illustrated in Figure 2,
  • Step S200 preparing an acid solution diluted by adding boric acid or phosphoric acid to water heated to a temperature of 75 to 85 ° C., and adding the acid solution to the mixture prepared in step (A) for 2 to 3 hours.
  • step (C) adding a powdery silica and liquid silica to the mixture prepared in step (B) and mixing for 30 to 60 minutes (S300, S400).
  • the acid aqueous solution used in the step (B) (S200) is a diluent made by diluting 2 to 10 parts by weight of boric acid or phosphoric acid with respect to 100 parts by weight of water, and the diluent is heated to a temperature range of 75 ⁇ 85 °C Boric acid or phosphoric acid is added to water and mixed. If the amount of boric acid or phosphoric acid used in the acid aqueous solution is out of the threshold value, the panel's water resistance is weakened below the threshold value, so that the phenomenon of loosening in water occurs, and when the threshold value is exceeded, crystals are formed or the viscosity in the binder is exceeded. This may increase the strength of the inorganic composites may not mix smoothly or may stick to the mold during the molding process.
  • the silicic acid, hydrated lime solution or calcium aqueous solution, boric acid aqueous solution or phosphoric acid aqueous solution of steps (A), (B) and (C) (S100, S200, S300).
  • Powdered silica and liquid silica are 50 to 80 parts by weight of silicic acid, 5 to 15 parts by weight of aqueous solution of lime or calcium, 4 to 15 parts by weight of aqueous solution of boric acid or phosphoric acid, and 3 to 3 parts of powder of silica. It is preferable to mix so that 15 weight part and 5-25 weight part of liquid silica sol may be included.
  • the silicic acid is a general name of a compound in which silicon, oxygen and hydrogen are mixed, and the chemical formula is represented by [SiO x (OH) 4-2X ] n.
  • Silicic acid commonly refers to orthosilicate (H 4 SiO 4 ), metasilicate (H 2 SiO), mesoi silicic acid (H 2 Si 3 O 8 ), mesotrisilicate (H 6 Si 4 O 1 ), mesosa silicic acid It may be referred to including (H 4 Si 3 O 8 ). These do not exist alone, and often consist of a mixture.
  • the slaked lime solution or calcium aqueous solution is an alkaline component, and the slaked lime is used as a hardening material and a wall material and is alkaline.
  • the silicic acid when the silicic acid is out of the range, if the less than 50 parts by weight, the viscosity of the binder is lowered, the strength of the panel may be weakened, if it exceeds 80 parts by weight, the viscosity of the panel may be increased to increase the strength of the panel, but the water resistance It becomes weak and can be easily released in water, and reacts with an acid component to form crystals, or a binder becomes more viscous, so that raw materials are not evenly mixed, so that a partial variation in strength occurs, and thus the product quality is not uniformly produced.
  • the acid aqueous solution of step (B) is a diluent obtained by diluting 2 to 10 parts by weight of boric acid or phosphoric acid with respect to 100 parts by weight of water, and the acid aqueous solution is preferably 4 to 15 parts by weight of an aqueous solution based on the total amount of the inorganic binder. It is good practice to include wealth. If the acid aqueous solution is less than 4 parts by weight of the acid solution, the water resistance of the panel may be weakened or released in water, or whitening may occur. When the acidic aqueous solution is contained in an amount exceeding 15 parts by weight, the binder reacts with an alkaline component to form crystals. Since the mixing is difficult and the viscosity is strong, there is a problem that the binder is mixed with the raw material and hardened before being molded in the molding machine.
  • the mixing time after adding the acid aqueous solution is made for 2 to 3 hours, which is mixed with alkali and acid in the process of adding the aqueous acid solution, and a precipitate is formed, and mixed until the precipitate is completely dissolved. do. Therefore, according to the present invention, the mixing time was found to be completely dissolved after two hours of mixing the precipitate.
  • Boric acid or phosphoric acid constituting the acid solution used in the present invention is completely dissolved in hot water at approximately 75 ⁇ 85 °C, it is used as a ceramic glaze, enamel material. Since the hydrated lime solution or calcium aqueous solution constituting the present invention is alkaline, it must be mixed before the acid aqueous solution.
  • step (B) Since the mixture prepared until step (B) (S200) does not harden well at room temperature and does not have the property of a complete binder, 3-15 parts by weight of powdery silica and a liquid silica sol are added to the total amount of the inorganic binder. Add 5 to 25 parts by weight and mix for 30 to 60 minutes. (S300)
  • the powdery silica used is used as a light insulation material, a tile material, preferably, the silica has an average particle distribution of 2 ⁇ 30 ⁇ m.
  • the silica has an average particle distribution of 2 ⁇ 30 ⁇ m. The reason is that if it is out of the above range it may not be evenly mixed in the composition of the binder, agglomeration may occur, there is a problem that does not melt well in the liquid phase.
  • the liquid silica has a disadvantage in that the viscosity of the binder cannot be maintained when the mixing amount thereof is out of the threshold.
  • the above-described manufacturing process of the inorganic binder of the present invention is preferably mixed while maintaining a constant temperature of the blender, because the hydrated lime solution or calcium aqueous solution constituting the inorganic binder of the present invention is acid and Since the reaction generates foreign matters and the silicic acid hardens at a high temperature, the mixing temperature of the blender is preferably maintained at 18 to 25 ° C.
  • the raw material of step (b) (S10) is 15 to 47 parts by weight of vermiculite, 15 to 47 parts by weight of pearlite, and 1 to 4 parts of tensile strength increasing material with respect to the total amount of the inorganic composition of step (c). It is to mix to include wealth. The reason for having such a composition is well described in the description of the inorganic composition.
  • the step (b) may be further mixed with any one or more selected from the group consisting of charcoal, loess, wood flour, vegetable fiber, fruit peel.
  • Charcoal, ocher, etc. can be added to the deodorizing effect and visual design effect of the panel according to the advantages of charcoal, ocher, wood flour, vegetable fibers, fruit peels, etc. play a role to increase the tensile strength of the panel do.
  • the inorganic binder in an amount of 30 to 40 parts by weight based on the total amount of the inorganic composition of step (c), and if less than 30 parts by weight, the weight may be light, but the strength It may be weak and weaken the adhesive force, causing crushing, or increasing the defective rate during molding or processing.If it exceeds 40 parts by weight, the strength may be strong, but the weight increases, and the heating time for sticking to the mold or forming increases. Reduced production can have a profound impact on cost increases.
  • the raw material when the raw material is added to the raw material storage container in the step (c), because the raw materials wetted in the binder has a viscosity may be agglomeration phenomenon in the container. At this time, it is preferable to mix so as to distribute evenly through the wire mesh of a certain size in the container without agglomerating the raw materials using a thin bar knife. The reason is that if the raw materials are not evenly distributed, the perfect board may not be molded and may be partially broken or chipped.
  • the inorganic composition is introduced into the raw material storage container at an air pressure of 5 to 10 kg / mm2. If the air pressure is less than 5 kg / mm2, less raw material enters the mold and the chip is weakened or the strength is less than 10 kg /. If it is more than mm, the molding time is long and the pressure applied to the mold rises, so that each panel is not uniformly pressured, so the variation of strength occurs and the thickness varies by product.
  • the tensile strength increasing material may use any one selected from the group consisting of glass fiber, carbon fiber, mica, copper, vegetable fiber, fruit peel, cedar wood flour, calcium reinforcing material, and The mixing amount is added so as to contain 1 to 4 parts by weight.
  • the tensile strength increasing material is to increase the tensile strength and flexural fracture load of the product and the deformation reduction of the product, when the addition amount is less than 1 part by weight can not expect the required tensile strength and flexural fracture load and the deformation of the panel, If it exceeds 4 parts by weight, the weight of the product increases and the cost increases.
  • the glass fiber or carbon fiber is preferably added in the form of short fibers rather than long fibers.
  • 600 kg of silicic acid is added to the blender, 75 kg of hydrated lime solution or calcium aqueous solution is added and mixed for 30 minutes.
  • a 65 kg acid solution prepared by diluting boric acid or phosphoric acid in warm water heated to a temperature of 80 ° C. is prepared, and the acid solution is added to a mixture of the silicic acid, hydrated lime solution or calcium aqueous solution to generate an alkali component and an acid component. The mixture is formed for 2 hours and 30 minutes until the precipitate is completely dissolved.
  • 60 kg of powdered silica and 95 kg of liquid silica are added to the mixture, followed by mixing for 30 to 60 minutes to prepare an inorganic binder.
  • the prepared inorganic binder 30 to 40 parts by weight of the inorganic binder based on the total amount of the inorganic composition; Vermiculite 15-47 parts by weight; 15 to 47 parts by weight of pearlite; Prepare a mixture containing 1 to 4 parts by weight of tensile strength increasing material, firstly expand the vermiculite (vermiculite) or expanded pearl rock (pearlite) and the tensile strength increasing material first into a mixer and mix for 3 to 5 minutes with a mixer, and the minerals in the mixture Add an binder and mix again for 3 to 5 minutes to prepare an inorganic composition. At this time, the tension increasing material used was mica.
  • the prepared inorganic composition is transferred to the raw material storage container of the molding machine, and applied to the molding mold by applying an air pressure of 6 ⁇ 7kg, and designed under a pressure condition of 80 ⁇ 90kg / cm2, 250 ⁇ 260 °C in the molding mold
  • the thickness of the product to form a panel by pressing for 15 to 20 minutes the formed panel was left to stand at room temperature for 24 hours to cool, the surface of the cooled panel was ground and cut to prepare a specimen.
  • a specimen was prepared in the same manner as in Example 1 except that the mixture was further mixed to include 1 to 4 parts by weight of charcoal based on 100 parts by weight of the inorganic composition of Example 1, and the physical properties thereof were measured. It is shown in Table 1 below.
  • Example 1 In the same manner as in Example 1 except that the tensile strength increasing material in Example 1 was used by mixing the glass fiber and carbon fiber in a weight ratio of 1: 0.5, and further mixed to include 1 to 4 parts by weight ocher. The specimen was prepared. The physical properties of the prepared specimens were measured and the results are shown in Table 1 below.
  • the board prepared from the example was granulated into a sphere having a diameter of 2 mm / mm, inserted into a dry oven, and forcedly subjected to hot air (90 ° C.) to investigate the degree of cracking of the surface due to instant drying as follows.
  • the surface strength for each inorganic binder was measured.
  • the specimen prepared from the example was prepared by cutting the board 150 mm long and 80 mm long, and the specimen was placed in a container filled with water and allowed to settle for 24 hours, and then the decomposition state was examined to determine the water resistance of each inorganic binder.
  • the building board manufactured using the inorganic composition using the inorganic binder provided in the present invention has excellent physical properties as a whole. Therefore, the building board manufactured using the inorganic composition of the present invention can be seen that the physical strength is improved, the water resistance is also excellent, and the nonflammability is also excellent. In addition, it was found that the thermal insulation was also excellent as a result of measuring the thermal conductivity.

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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

La présente invention concerne une composition inorganique destinée à fabriquer un panneau de construction et un procédé destiné à fabriquer un panneau de construction au moyen de la composition et, plus particulièrement, une composition inorganique destinée à fabriquer un panneau de construction et un procédé destiné à fabriquer un panneau de construction au moyen de la composition, capable de fabriquer un panneau de construction qui est sans danger contre le feu du fait qu'il est ininflammable, a une excellente résistance et est hydrofuge, par mélange d'un liant inorganique, qui est ininflammable et qui a une résistance à l'eau et une force d'adhérence excellentes, et d'un minéral naturel tel que la vermiculite, la perlite expansée ou le mica. La présente invention concerne une composition inorganique destinée à fabriquer un panneau de construction, qui comprend : entre 30 et 40 parties en poids d'un liant inorganique ; entre 15 et 47 parties en poids de vermiculite ; entre 15 et 47 parties en poids de perlite ; et entre 1 et 4 parties en poids d'un amplificateur de résistance à la traction. En outre, la présente invention concerne un procédé destiné à fabriquer un panneau de construction, qui comprend : (a) une étape de préparation d'un liant inorganique par mélange d'un liant inorganique dans un mélangeur ; (b) une étape de mélange de matières premières consistant à mettre la vermiculite, la perlite et le mica dans un mélangeur et à les mélanger pendant 3 à 5 minutes à l'aide d'une mélangeuse ; (c) une étape de mélange d'une composition inorganique par ajout du liant inorganique de l'étape (a) à la matière première de l'étape (b) et mélange pendant 3 à 5 minutes ; (d) une étape de transfert de la composition inorganique, qui est mélangée à l'étape (c), dans un récipient de stockage de matière première d'une machine de moulage et d'injection de la composition inorganique du récipient de stockage de matière première dans un moule de formage par application d'une pression d'air entre 5 et 10 kg/mm2 ; (e) une étape de formage d'un panneau au moyen de moulage à la presse pendant 10 à 20 minutes dans les conditions d'une pression entre 80 et 90 kg/cm2 et à une température entre 250 °C et 260 °C dans le moule de formage ; (f) une étape de refroidissement du panneau, qui est moulé à l'étape (e), en le laissant reposer pendant 24 heures ou plus à température ambiante ; et (g) une étape de polissage de la surface du panneau refroidi et de découpe de celle-ci.
PCT/KR2015/003025 2014-03-28 2015-03-27 Composition inorganique destinée à fabriquer un panneau de construction et procédé de fabrication d'un panneau de construction l'utilisant WO2015147585A1 (fr)

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Cited By (1)

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CN112321197A (zh) * 2020-09-14 2021-02-05 中海润达新材料股份有限公司 一种利用微纳米粉体包敷制备复合绝热材料的方法

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CN110482975B (zh) * 2019-09-02 2021-07-16 同济大学 一种轻质高强度调湿材料的制备方法

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