KR20190071214A - Panel for construction materials having the heat insulation and sound absorbing properties by using the industrial waste materials, And the compositions of the panel, And the manufacturing method of the panel - Google Patents

Abstract

The present invention relates to a thermal insulation and sound absorption foam panel for a construction material using industrial waste, a composition for the panel and a manufacturing method of the panel, and specifically, to a composition of a construction material, which is a molded object of porous foam using industrial waste selectively including fly ash, bottom ash, blast furnace slag powder and red mud as a raw material and is excellent in light weight, thermal insulation, sound absorption and mechanical strength and a thermal insulation and sound absorption foam panel using the composition, wherein the composition, the manufacturing method and a shape of the panel are organically operated in order to be easily perform assembly between a plurality of panels.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulation-sound-absorbing foam panel for building materials using industrial waste, a composition for the panel, and a method for manufacturing the panel, And the manufacturing method of the panel}

The present invention relates to an adiabatic sound-absorbing foam panel for building materials utilizing industrial waste, a composition for the panel, and a method for manufacturing the panel.

More specifically, the present invention relates to a composition of a building material having excellent lightweight, heat insulation, sound absorption and mechanical strength as a molded article of porous foam using industrial waste as a raw material, optionally containing fly ash, bottom ash, blast furnace slag powder and red mud, In an adiabatic sound-absorbing foam panel using the composition,

In order to facilitate assembly between a plurality of panels, the composition, the manufacturing method and the panel are organically shaped.

Generally, heat insulation bimaterials for construction and civil engineering are organic material sound absorbing products or inorganic raw materials which are made of thermosetting or thermoplastic polymer materials such as porous polyester, polyurethane, and polypropylene, cork, wood powder, etc. by using a binder, Pumice, and pearlite as raw materials (Non-Patent Document 1 and Patent Document 1).

On the other hand, foams obtained by recycling industrial wastes such as bottom ash, fly ash and waste glass powder are molded and used as a heat insulating sound absorbing material. Numerous research results have been published on molding methods of such foams.

Patent Document 2 discloses a method for producing a geopolymer foaming auxiliary by adding a surfactant to an alkali activating agent such as an alkali metal hydroxide or an alkali metal silicate to a material having potential hydraulic and pozzolanic properties such as fly ash,

Non-Patent Documents 2 and 3 disclose a method for producing an alumina silicate foam (porous geopolymer), which comprises adding an alkali activator (NaOH, Na ₂ SiO ₃ ) and an Al, Si, FeSi, SiC powder, And fumaric acid at a temperature of 80 DEG C to prepare a porous foam.

Patent Document 4 discloses a method for producing a foam by adding a blowing agent such as C, SiC, or CaCO ₃ to dolomite [(Ca, Mg) CO ₃ ] to waste glass powder and heating the mixture to about 800 to 900 ° C .

The compositions of the above-described Non-Patent Documents 1 and 1 are mainly composed of organic materials, and thus have excellent disadvantages such as excellent mechanical strength and fire resistance.

On the other hand, the methods of producing expanded molded articles using fly ash as disclosed in Patent Documents 2 and 2 are relatively inexpensive to manufacture, but have problems in that weather resistance and mechanical strength are lowered.

In particular, inorganic foamed molded products which have high strength, high heat insulation sound absorption and shock absorption property are very marketable with materials such as interior materials (wall, flooring, ceiling materials) and road-absorbing walls of buildings. Therefore, ALC light plates, gypsum boards, glass It is necessary to develop a competitive product such as a fiber-absorbing material or an alternative product which is relatively inexpensive.

U.S. Published Patent Application No. 2008-0050574 (2008.2.28.) Japanese Laid-Open Patent Publication No. 2016-534965 (November 10, 2016) Patent Registration No. 10-1646155 (Announced 2016.08.08) Japanese Patent Application Laid-Open No. 2005-041754 (Feb.

 Advances in Materials Science & Engineering 2015, Article ID 274913, p1-5  Ceramic-Slikaty 58 (3) p188-197, (2014)

An object of the present invention is to provide a molded article of porous foam using industrial waste, which optionally contains fly ash, bottom ash, blast furnace slag powder and red mud, as a raw material, and a composition of a building material excellent in light weight, heat insulation, sound absorption and mechanical strength And a heat insulating and sound-absorbing foam panel for building materials using industrial waste, in which the composition, the manufacturing method and the panel are operated in an organic fashion, in order to facilitate assembly between a plurality of panels in the heat- A composition for the panel, and a method for producing the panel.

In order to accomplish the above object, the present invention provides an adiabatic sound-absorbing foam panel for building materials, a composition for a panel and a method for manufacturing the panel using industrial waste according to the present invention,

In the panel,

(A) and bumps (b) are formed on the side surface, and the bubbles, the organic silane, and the binder are mixed with one another or a combination of at least one of fly ash, bottom ash, blast furnace slag and red mud, Are formed in the longitudinal direction, and a plurality of adjacent ones are assembled by a combination of the groove (a) and the projection (b).

In addition, the groove (a) of the foam panel is deformed in the manufacturing process so that the upper inner wall is curved upward to expand the space, and the upper inner wall is naturalized to be adjacent to the projection (b) The space that has been expanded is narrowed.

The composition of the panel,

0.05 to 1 part by weight of a foaming agent, 0.1 to 1 part by weight of an organic silane and 5 to 20 parts by weight of a binder based on 100 parts by weight of industrial waste.

At this time, 1200 g of 85% phosphoric acid was added to the flask, 300 g of aluminum hydroxide was added to the flask, and the mixture was heated to 50 캜. When the reaction started at 100 캜, the mixture was cooled to 80 캜 for 90 minutes, , A transparent aqueous aluminum phosphate solution having a P ₂ O ₅ / Al ₂ O ₃ molar ratio of 2.0 to 3.0 is prepared and diluted by adding water to a concentration of 50% and a pH of 1.2 to 1.8.

The industrial waste is pulverized to 50 to 100 탆 and pulverized.

The foaming agent may be selected from the group consisting of hydrogen peroxide (H ₂ O ₂ ), sodium carbonate (Na ₂ CO ₃ ), calcium carbonate (CaCO ₃ ), sodium dodecyl sulfate and sodium lauryl sulfate .

The organosilane may be one selected from tetraethoxysilane (TEOS), methyltrimethoxysilane (MTES) and isobutyltrimethoxysilane (IBTS) and diluted with water or ethanol to 5% .

The method of manufacturing a panel,

A raw material preparation step (S1) of preparing a raw material by pulverizing a mixture of one or more of fly ash, bottom ash, blast furnace slag and red mud;

(S2) mixing a binder, a foaming agent, an organosilane and water into a raw material to mix the raw material prepared in the raw material preparing step (S1) with a binder, a foaming agent, an organosilane and water;

(S3) injecting a mixed preparation liquid into the mold through a step (S2) of mixing the binder, foaming agent, organosilane and water into a raw material;

A first curing step (S4) for primarily curing the mixed preparation liquid injected into the mold in the mold injection step (S3);

A demolding step (S5) of demolding the foam from the mold and making it into a product when the first curing step (S4) is completed; And

And a natural curing step (S6) of assembling and demagnetizing the demolded product in the demolding step (S5).

At this time, the curing step is performed at room temperature for 1 to 10 hours, and at 100 to 200 ° C for 0.5 to 1 hour.

The step (S2) of mixing the binder, foaming agent, organosilane and water into a raw material is characterized in that the mixture is mixed with sludge having a solid / liquid ratio of 0.35.

According to one embodiment of the present invention, since an expanded molded article can be easily manufactured by using fly ash, bottom ash, blast furnace slag and red mud which are generated in large quantities as industrial wastes, excellent heat resistance, There is an effect that a building material can be manufactured and provided at low cost.

According to the panel according to another embodiment of the present invention, it is possible to easily assemble the panel, which is the final product, by using the principle of natural curing through the method of manufacturing the composition and the composition of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a flow chart of a method for producing an adiabatic sound-absorbing foam for building materials according to the present invention.
FIG. 2 is a graph for evaluating the characteristics of the foam according to the content of the composition of the heat-insulating sound-absorbing foam for building materials utilizing the industrial waste according to the present invention.
Fig. 3 shows the principle of easy construction and assembly of a heat-insulating sound-absorbing foam panel for building materials utilizing industrial waste.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor can properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the drawings are only the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

Before describing the present invention with reference to the accompanying drawings, it should be noted that the present invention is not described or specifically described with respect to a known configuration that can be easily added by a person skilled in the art, Let the sound be revealed.

The present invention relates to an adiabatic sound-absorbing foam panel for building materials utilizing industrial waste, a composition for the panel, and a method for manufacturing the panel.

More specifically, the present invention relates to a composition of a building material having excellent lightweight, heat insulation, sound absorption and mechanical strength as a molded article of porous foam using industrial waste as a raw material, optionally containing fly ash, bottom ash, blast furnace slag powder and red mud, In an adiabatic sound-absorbing foam panel using the composition,

In order to facilitate assembly between a plurality of panels, the composition, the manufacturing method and the panel are organically shaped.

Example  1. For building materials using industrial waste Adiabatic absorption Foam  Composition

The composition of the heat-insulating and sound-insulating foam for building materials utilizing industrial wastes according to the present invention is obtained by combining industrial wastes, foaming agents, organosilanes and binders.

Specifically, 0.05 to 1 part by weight of a foaming agent, 0.1 to 1 part by weight of an organic silane, and 5 to 20 parts by weight of a binder are added in an amount of 100 parts by weight based on 100 parts by weight of powdered industrial wastes. .

Industrial waste

Industrial wastes used in the present invention include fly ash and bottom ash discharged into coal-fired power plants and blast furnace slag and red mud generated in steelmaking processes (wastes generated by aluminum oxide processing by treating bauxite with a via process) [Table 1] shows chemical compositions of these.

As the heat insulating sound absorbing material, they may be used individually or in a mixed ratio. In particular, when red mud is used alone, sludge shows strong alkalinity, so it is preferable to neutralize with acid or mix with other materials.

Since the bottom ash and the blast furnace slag are generated as a massive or relatively large particles, they may be used in the form of fine pulverization of 50 to 100 μm required for the present invention.

Fly ash is defined as inorganic oxides that remain after incineration or combustion. Most of the fly ash is generated in coal-fired power plants, and it is also caused by coal combustion processes in waste incinerators, cogeneration plants and other industrial sites. The composition of the fly ash is mainly composed of inorganic oxides, and amorphous or a small amount of crystalline metal oxides such as quartz, iron oxide, and mullite may be produced.

Bottom ash is used when coal is burned in a pyrolysis plant boiler and massive components of large masses fall into the bottom of the boiler.

Blast furnace slag is a slag produced when making pig iron from an iron ore in a blast furnace, and contains impurities other than iron, resulting in 500 to 1,000 kg per ton of pig iron. Slag wool used as a heat insulation material, soundproof material, special fertilizer, blast furnace cement, blast furnace brick raw materials.

Red mud is a residue obtained by collecting alumina from bauxite by the Bayer method in aluminum smelting, and is a residue containing a large amount of iron oxide.

CaO Al ₂ O ₃ SiO ₂ MgO FE ₂ O ₃ K ₂ O Na ₂ O TiO ₂ SO ₃ Fly ash 3.41 22.8 52.2 0.89 3.85 1.49 0.13 1.18 2.90 bottom
Ash 0.83 28.9 52.2 0.30 9.77 1.38 0.35 1.98 - blast furnace
Slag 41.1 14.6 33.1 7.03 0.97 0.27 0.15 0.63 0.07 Red
Mud 8.90 22.40 20.30 0.30 15.5 0.03 11.0 6.67 0.10

Foaming agent

The foaming agent used in the present invention is a foaming agent capable of generating bubbles in an acidic or neutral solution. Examples of the foaming agent include hydrogen peroxide (H ₂ O ₂ ), sodium carbonate (Na ₂ CO ₃ ), calcium carbonate (CaCO ₃ ), and surfactants such as sodium dodecyl sulfate sodium dodecyl sulfate, sodium lauryl sulfate and the like can be used.

The amount thereof may be added in an amount of 0.05 to 1.0 part by weight based on 100 parts by weight of the industrial waste. When the amount is less than 0.05 part by weight, the amount of bubbles to be produced is too small or the size of the bubbles is too small, so that it is difficult to form a foam having a desired void. If the amount is more than 1 part by weight, economical efficiency may be a problem.

Organosilane

The organosilane used in the present invention is added to increase the hydrophobicity of the foam. The organosilane used in the present invention is tetraethoxysilane (tetraethoxysilane, TSi (OC ₂ H ₅ ) ₄ TEOS), methyltrimethoxysilane [CH ₃ Si (OCH ₃ ) ] MTES] and isobutyltrimethoxysilane, Si (OCH ₃ ) ₃ (CH ₃ ) ₂ IBTS, and diluted with water or an ethanol solvent to 5%.

The amount used is 0.1-1.0 parts by weight based on 100 parts by weight of industrial wastes. When the amount added is less than 0.1 parts by weight, the water-repellent performance tends to be too low. If the amount exceeds 1.0 part by weight, hydrophobicity or cost may be a problem.

Binder

An acidic aqueous solution of aluminum phosphate is used as the binder.

The acidic aqueous aluminum phosphate solution is prepared by heating a phosphoric acid (85%) and aluminum hydroxide to prepare a transparent aqueous aluminum phosphate solution having an aluminum phosphate concentration of 65 to 75% and a molar ratio of P ₂ O ₅ / Al ₂ O ₃ of 2.0 to 3.0 Followed by addition of water and dilution to an appropriate concentration.

As an example of a concrete manufacturing method, 1200 g of 85% phosphoric acid is put into a flask, 300 g of aluminum hydroxide is added thereto, and the mixture is heated to about 50 캜. When the reaction starts, the exothermic reaction rises to about 100 ° C or more, so it is cooled to about 80 ° C, held for about 90 minutes, and cooled to room temperature.

The aqueous solution had a molar ratio of P ₂ O ₅ / Al ₂ O ₃ of about 2.8 and an aluminum phosphate concentration of about 50%. The amount to be used is about 5 to 20 parts by weight based on 100 parts by weight of the industrial waste. When the amount is less than 5 parts by weight, the bonding strength between the solid particles decreases, and sufficient strength development is difficult. When the content is more than 20 parts by weight, the strength is not increased further and economical efficiency is considered.

Within the content range of the compositions described above, Applicants performed the experiment of FIG.

FIG. 2 of the accompanying drawings shows the characteristics of the foam according to the content of the composition of the heat-insulating sound-absorbing foam for building materials utilizing the industrial waste according to the present invention.

The compressive strength (kg / cm ² ), the absorbency (NRC), and the apparent specific gravity (gcm ³ ), which are the characteristics of the foam, were measured using the method of the present invention described below. It was measured by a general measurement method.

As a result of measurement, it was found that increasing the amount of aluminum phosphate (AAP) as a binder tends to increase the strength of the foam. As the amount of foaming agent increases, the curvature rate increases relatively, which indicates that the sound absorption rate tends to increase.

The compressive strength is increased to an average of 100 kg / cm 2 or more when the amount of the binder added is 20 parts by weight.

Also, the apparent specific gravity increased proportionally with compressive strength. The sound absorption rate generally shows a tendency to decrease inversely as the apparent specific gravity increases.

The results of this measurement show that the foam properties are generally increased compared to the comparative groups using only conventional fly ash, bottom ash or blast furnace slag.

However, these comparative groups were not based on the binder according to the present invention, but using a general alkaline binder, and it was found that the use of such a binder affected the properties of the foam.

In particular, referring to FIG. 2, only blast furnace slag (BFS) is used as industrial waste according to Experiment Group 8, and based on 100 parts by weight of blast furnace slag, 20 parts by weight of binder, 0.1 part by weight of sodium dodecyl sulfate as foaming agent, , 0.2 parts by weight of tetraethoxysilane was used, and it was found that the average foam characteristics were excellent with a compressive strength of 128 kg / cm ² , a sound absorption ratio (NRC) of 0.88, and an apparent specific gravity of 1.00 gcm ³ .

Example  2. For building materials Adiabatic absorption Foam  Manufacturing method

A method for producing an adiabatic sound-absorbing foam for building materials, which is produced on the basis of the composition described above, can be referred to Fig.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a flow chart of a method for producing an adiabatic sound-absorbing foam for building materials according to the present invention.

The manufacturing method according to FIG. 1 of the accompanying drawings includes a raw material preparing step (S1); Mixing the binder, foaming agent, organosilane and water into the raw material (S2); A mold injection step (S3); Curing step S4; And a demolding step (S5).

1. Preparation of raw material (S1)

The raw material preparation step (S1) is a step of preparing raw materials by pulverizing raw materials blended with one or more of fly ash, bottom ash, blast furnace slag and red mud used as industrial wastes.

Such a raw material may be pulverized to 50 to 100 占 퐉.

2. Binders, foaming agents, Organosilane  And mixing the water with the raw material (S2)

The step (S2) of mixing the binder, foaming agent, organosilane and water into the raw material is a step of mixing the raw material prepared in the raw material preparation step (S1) with the binder, foaming agent, organosilane and water.

At this time, the mixture (mixture preparation solution below) mixed through the step (S2) of mixing the binder, foaming agent, organosilane and water into the raw material is made to have a solid / liquid ratio of 0.35 in sludge form.

Mixing of such binders, foaming agents, organosilanes and water may be carried out at one time or sequentially.

Particularly, according to the design conditions, the binder, the organosilane and the water are mixed first, and the mixed mixture is received in a flexible material container. Then, the foam material is injected from the lower side of the container using a syringe.

Then, in the other empty cylinder, '∩' type drum which does not float in the liquid phase is raised, but powdery material is kept inside the drum. At this time, the height of the container is set to be lower than that of the mixed liquid including the foaming agent.

Thereafter, the vessel is recovered by using a tool, so that the powdery raw material is mixed from the bottom of the mixture liquid, thereby mixing the mixture uniformly.

At this time, when the raw materials are mixed, heating and stirring at 20 to 30 ° C may be performed. When heat of less than 20 캜 is applied, the object of heating and stirring is lost, and when heat exceeding the temperature of 30 캜 is applied, foaming by the foaming agent may proceed.

3. Mold injection step (S3)

The mold injecting step (S3) is a step of injecting a mixed solution prepared by mixing raw material + binder + foaming agent + organosilane + water through a step (S2) of mixing binder, foaming agent, organosilane and water into raw materials .

At this time, the mold used may be a silicone mold, but is not limited thereto.

4. Primary curing step (S4)

The primary curing step S4 is a step of primarily hardening the mixed preparation liquid injected into the mold in the mold injection step S3.

At this time, it may be carried out at 100 to 200 ° C for 20 to 30 minutes. The curing according to these conditions can be interpreted as a hardening step before the curing is complete, not a condition for fully curing the composition in the mold.

Depending on the design conditions, the microwave wave can be applied to the mold during the curing step, whereby vibration is imparted to the mixed solution, and heat can be applied due to the friction between the particles, so that the foaming can proceed.

That is, by using the silicon mold in the mold injection step (S3), the microwave can be transmitted to the entire surface of the mixed preparation liquid contained in the mold. If the material of the mold is not silicon, the transfer of the microwave is blocked, so that the foaming may not be performed on the entire surface of the mixed preparation liquid.

5. Demolding step (S5)

The demolding step S5 is a step of demolding the foam panel from the mold when the first curing step S4 is completed.

6. Natural hardening step (S6)

In the natural hardening step S6, the panel demolded through the demolding step S5 is assembled by inserting the slide by inserting a slide, etc., and then natural-cured at room temperature for about 5 to 10 hours.

At this time, final hardening (curing) of the panel is possible by natural curing, and the space between the groove (a) for assembly and the projection (b) of another adjacent panel can be narrowed as shown in Fig.

Example  3. For building materials using industrial waste Adiabatic absorption Foam panel

Reference is made to FIG. 3 of the accompanying drawings of the heat-insulating sound-absorbing foam panel for building materials utilizing industrial waste according to the present invention.

Referring to FIG. 3, it can be seen that the mold according to the second embodiment is configured as a panel according to FIG.

Fig. 3 shows the principle of easy construction and assembly of a heat-insulating sound-absorbing foam panel for building materials utilizing industrial waste.

Sound insulation foam panel according to FIG. 3 of the accompanying drawings has a groove a formed on one side in the longitudinal direction and a protrusion b corresponding to the groove a on the opposite side.

Although the grooves a and b are shown as being one by one in Fig. 3, since the drawings do not limit the scope of the present invention, two grooves a and two protrusions b are actually provided. Are formed on the side surfaces of the panel, respectively, so that a plurality of panels can be assembled in four directions.

The adiabatic sound-absorbing foam panel according to the present invention is manufactured by demolding after primary curing, assembling using a plurality of panels using grooves a and b, and spontaneously curing the panel, The space between the groove a and the projection b can be narrowed.

For this, the shape of the protrusion b which is deformed due to the primary curing is formed in the form of a general protrusion, but the groove (a) is formed such that the upper inner wall of the groove b curves upwardly and the inner space of the groove (a) is ample. That is, the lower inner wall of the groove (a) is formed in a shape that the groove should originally have, and the upper inner wall is curved upward in the direction of the center of the groove.

As a result, the upper inner wall gradually descends due to gravity during the natural hardening process, and hardens to a state in which the gap with the projection (b) becomes narrow.

The conditions for natural curing for this purpose are 5 to 10 hours at room temperature as described above. If it is less than 5 hours, it may not be cured properly, and if it exceeds 10 hours, no further curing occurs.

Conventionally, when the grooves and the protrusions are to be joined to the finished panel, there is a problem that insertion is not smooth particularly in the case of slide insertion. For example, slides may not be properly formed or may be twisted between assembled panels after the slide is assembled.

On the other hand, according to the present invention, it is possible to overcome the above-described problem in the assembly, and after the natural curing is completed, the gap between the groove a and the projection b is not formed large.

It is apparent that the present invention is not limited to the configuration of the drawings, as described above with reference to the drawings, only the main points of the present invention are described, and various designs can be made within the technical scope thereof.

a: Home
b: projection
S1: raw material preparation step
S2: mixing the binder, foaming agent, organosilane and water into the raw material
S3: mold injection step
S4: Primary curing step
S5: De-molding step
S6: Natural hardening step

Claims (10)

An organic waste which is a mixture of at least one of fly ash, bottom ash, blast furnace slag and red mud or a mixture of two or more thereof, foam, organosilane and binder,
A groove (a) and a projection (b) are formed on the side surface in the longitudinal direction,
Characterized in that a plurality of adjacent ones are assembled by a combination of the groove (a) and the projection (b).
The method according to claim 1,
The groove (a)
The upper inner wall is deformed in the upward direction to expand the space, and the upper inner wall is naturally closed by the natural curing to be adjacent to the projection (b) coupled to the groove (a) Insulating sound-absorbing foam panel for building materials using industrial waste.
The method according to claim 1,
The composition may comprise,
Characterized in that 0.05 to 1 part by weight of a foaming agent, 0.1 to 1 part by weight of an organic silane and 5 to 20 parts by weight of a binder are based on 100 parts by weight of industrial wastes.
The method according to claim 1,
Preferably,
After adding 300 g of 85% phosphoric acid to the flask, 300 g of aluminum hydroxide was added to the flask and heated to 50 캜. When the reaction started at 100 캜, the mixture was cooled to 80 캜 for 90 minutes and then cooled to room temperature to obtain P ₂ O ₅ / Al ₂ O ₃ molar ratio of 2.0 to 3.0 was prepared,
And water is added and diluted by adding water to a concentration of 50% and a pH of 1.2 to 1.8, thereby producing a sound absorbing foam panel for building materials using industrial waste.
The method according to claim 1,
Characterized in that the industrial waste is pulverized and pulverized to a size of 50 to 100 탆, thereby producing a sound absorbing foam panel for building materials using industrial waste.
The method according to claim 1,
The above-
Is characterized in that it is any one of hydrogen peroxide (H ₂ O ₂ ), sodium carbonate (Na ₂ CO ₃ ), calcium carbonate (CaCO ₃ ), sodium dodecyl sulfate and sodium lauryl sulfate Sound absorbing foam panels for building materials using industrial waste.
The method according to claim 1,
The organosilane may be,
Characterized in that any one of tetraethoxysilane (TEOS), methyltrimethoxysilane (MTES) and isobutyltrimethoxysilane (IBTS) is selected and diluted with water or an ethanol solvent to 5% Sound absorbing foam panels for building materials using waste.
A method of manufacturing an adiabatic sound-absorbing foam panel for a building material utilizing the industrial waste according to any one of claims 1 to 7,
A raw material preparation step (S1) of preparing a raw material by pulverizing a mixture of one or more of fly ash, bottom ash, blast furnace slag and red mud;
(S2) mixing a binder, a foaming agent, an organosilane and water into a raw material to mix the raw material prepared in the raw material preparing step (S1) with a binder, a foaming agent, an organosilane and water;
(S3) injecting a mixed preparation liquid into the mold through a step (S2) of mixing the binder, foaming agent, organosilane and water into a raw material;
A first curing step (S4) for primarily curing the mixed preparation liquid injected into the mold in the mold injection step (S3);
A demolding step (S5) of demolding the foam from the mold and making it into a product when the first curing step (S4) is completed; And
And a natural curing step (S6) of assembling and demagnetizing the demolded product in the demixing step (S5). ≪ Desc / Clms Page number 20 >
The method of claim 8,
Wherein the curing step comprises:
At room temperature, for 1 to 10 hours,
And the heat treatment is performed at a temperature of 100 to 200 DEG C for 0.5 to 1 hour.
The method of claim 8,
The step (S2) of mixing the binder, foaming agent, organosilane and water into the raw material,
So as to be mixed in a sludge form having a solid / liquid ratio of 0.35.

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