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WO2018038343A1 - Composition de pâte d'isolation, matériau d'isolation l'utilisant, et procédé de préparation de matériau d'isolation - Google Patents

Composition de pâte d'isolation, matériau d'isolation l'utilisant, et procédé de préparation de matériau d'isolation Download PDF

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Publication number
WO2018038343A1
WO2018038343A1 PCT/KR2017/003595 KR2017003595W WO2018038343A1 WO 2018038343 A1 WO2018038343 A1 WO 2018038343A1 KR 2017003595 W KR2017003595 W KR 2017003595W WO 2018038343 A1 WO2018038343 A1 WO 2018038343A1
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WIPO (PCT)
Prior art keywords
paste composition
fiber
powder
silica
insulation
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Ceased
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PCT/KR2017/003595
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English (en)
Korean (ko)
Inventor
유정근
이창우
김광현
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REMTECH CO Ltd
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REMTECH CO Ltd
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Priority claimed from KR1020170036757A external-priority patent/KR20180023788A/ko
Application filed by REMTECH CO Ltd filed Critical REMTECH CO Ltd
Priority to CN201780050139.9A priority Critical patent/CN109563000A/zh
Publication of WO2018038343A1 publication Critical patent/WO2018038343A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives

Definitions

  • the present invention relates to a heat insulating paste composition, a heat insulating material and a method of manufacturing the heat insulating material using the same, and does not generate dust, and relates to a heat insulating paste composition, which can be molded into various forms, a heat insulating material and a method of manufacturing the heat insulating material using the same. .
  • Silica aerogel, mesoporous silica, white carbon, fumed silica, etc., which have porosity, are widely used for thermal insulation, thermal insulation, etc.
  • silica airgel is typically an excellent heat insulating material, and despite the excellent heat insulating performance, heat shielding performance, sound absorption performance, etc., due to the enormous dust generated during handling is severely limited in use.
  • the paste composition can be prepared without any dust during the operation while maintaining the characteristics of the heat insulation and the like, which is unique to the silica structure, and the moldability while maintaining the properties such as heat insulation using the paste composition. It is expected that if a good insulating material is provided, it can be widely applied in the related field.
  • One aspect of the present invention is to provide a heat insulating paste composition which is excellent in heat insulating properties and the like, does not generate dust during operation, and can produce a heat insulating product having excellent moldability.
  • Another aspect of the present invention is to provide a method for producing a heat insulating material that enables the production of heat insulating products having excellent heat insulating properties and the like in various forms using the heat insulating paste composition of the present invention.
  • Another aspect of the present invention is to provide an insulating sheet manufactured in the form of a sheet using the insulating paste composition of the present invention.
  • an insulating paste composition comprising a powder, an alcohol and a fiber comprising a silica component.
  • the step of mixing the heat insulation paste composition of the present invention comprising molding the mixed thermal insulation paste composition; And drying the molded thermal insulation paste composition.
  • a heat insulating sheet manufactured using the heat insulating paste composition of the present invention is provided.
  • the present invention while maintaining excellent heat insulating properties, there is no dust at the time of work, and excellent moldability, it is possible to produce any complex shape heat insulating material, and even if it is molded in the form of a thin film to have excellent heat insulating properties. Since there is provided a heat insulating paste composition, a heat insulating material and a method for producing a heat insulating material using the same, it is possible to easily produce a good heat insulating material of various forms. In particular, it is expected that the present invention can be widely applied to various industrial fields in which moldability and thinness of heat insulating materials are required. Furthermore, the heat insulating material of the present invention also has excellent heat insulating performance and sound absorption performance.
  • FIG. 1 is a heat insulating paste composition (FIG. 1 (a)) prepared in Example 1 and a heat insulating material (FIG. 1 (b)) prepared using the same, and the hydrophobicity (FIG. 1 (c)) and heat resistance ( 1 (d)) shows a picture confirmed.
  • FIG. 2 is a photograph showing the heat insulating material (FIG. 2 (a)) prepared in Example 2, and the hydrophobicity (FIG. 2 (b)) and heat resistance (FIG. 2 (c)) of the heat insulating material.
  • Figure 3 shows a photograph confirming the hydrophobicity (Fig. 3 (a)) and heat resistance (Fig. 3 (b)) of the heat insulating material prepared in Example 3.
  • Figure 4 shows a photograph confirming the hydrophobicity (Fig. 4 (a)) and heat resistance (Fig. 4 (b)) of the heat insulating material prepared in Example 4.
  • FIG. 5 is a heat insulating material (FIG. 5 (a) and FIG. 5B) prepared using the heat insulating paste composition prepared in Example 5, and hydrophobicity (FIG. 5 (c)) and heat resistance (FIG. 5) of the heat insulating material. (d)) shows the picture.
  • FIG. 6 shows a photo of the thermal insulation paste composition (FIG. 6 (a)) prepared in Example 6 and the thermal insulation material (FIG. 6 (b)) prepared using the same.
  • Figure 7 shows a photograph of the insulating material prepared using the insulating paste composition prepared in Example 7.
  • Figure 8 shows a photograph of the insulating material prepared using the insulating paste composition prepared in Example 8.
  • FIG. 9 shows photographs confirming the heat insulating material (FIG. 9 (a)) prepared using the heat insulating paste composition prepared in Example 9 and the hydrophobicity of the heat insulating material (FIG. 9 (b)).
  • FIG. 10 shows photographs confirming the heat insulating material (FIG. 10 (a)) prepared using the heat insulating paste composition prepared in Example 10 and the hydrophobicity of the heat insulating material (FIG. 10 (b)).
  • FIG. 11 shows photographs confirming the heat insulating material (FIG. 11 (a)) prepared using the heat insulating paste composition prepared in Example 11 and the hydrophobicity of the heat insulating material (FIG. 11 (b)).
  • FIG. 12 shows photographs confirming the heat insulating material (FIG. 12 (a)) prepared using the heat insulating paste composition prepared in Example 12 and the hydrophobicity of the heat insulating material (FIG. 12B).
  • FIG. 13 shows photographs confirming the heat insulating material (FIG. 13 (a)) prepared using the heat insulating paste composition prepared in Example 13 and the hydrophobicity of the heat insulating material (FIG. 13 (b)).
  • FIG. 14 shows photographs confirming the heat insulating material (FIG. 14 (a)) prepared using the heat insulating paste composition prepared in Example 14 and the hydrophobicity of the heat insulating material (FIG. 14 (b)).
  • Figure 15 (a) and Figure 15 (b) shows a photograph confirming the lack of adhesive binding strength of the heat insulating material prepared using the heat insulation paste composition prepared in Comparative Example 1, respectively.
  • FIG. 16 shows photographs confirming the heat insulating material (FIG. 16 (a)) prepared using the heat insulating paste composition prepared in Comparative Example 2 and the low hydrophobicity of the heat insulating material (FIG. 16 (b)).
  • a heat insulating paste composition capable of forming into various shapes and producing a heat insulating material that does not generate dust during manufacture and maintains excellent heat insulating properties.
  • the present invention is described as a heat insulating paste composition, but the paste composition of the present invention means not only has a good thermal insulation performance and sound insulation performance corresponding to the heat insulating properties, and further, the heat insulating properties are unintentional in case of fire It includes the property of suppressing bleeding.
  • the heat insulating properties are mainly described.
  • the heat insulation paste composition of this invention contains the powder, alcohol, and fiber containing a silica component.
  • Silica aerogels, mesoporous silica, white carbon, fumed silica, and the like, which are examples of powders containing silica components, are not themselves mutually bonded. Therefore, in the present invention, an alcohol solvent or an alcohol solvent and a silylating agent may be used to impart a bonding force. Apply a combination of
  • the thermal insulation paste composition may further include a silylating agent, or the powder including the silica component may be a powder having a surface modified by the silylating agent and already containing the silylating agent, and silylated into the powder including the silica component.
  • a silylating agent or the powder including the silica component may be a powder having a surface modified by the silylating agent and already containing the silylating agent, and silylated into the powder including the silica component.
  • An example in which the agent is already contained can be used hydrophobic silica modified with a silylating agent.
  • hydrophilic silica powder or hydrosilica gel it is preferable to add a silylating agent separately.
  • the powder containing the silica component used in the present invention preferably has an average particle diameter of 10 ⁇ m to 400 ⁇ m, more preferably 50 ⁇ m to 100 ⁇ m. If the average particle diameter of the powder containing the silica component is less than 10 ⁇ m, there is a problem that the pores are easily broken during the manufacturing and the thermal insulation performance is lowered, and if it exceeds 400 ⁇ m, evaporation of the alcohol solvent remaining in the pores during drying There is a difficult problem.
  • the alcohol is preferably included in an amount of 1 to 80 parts by weight per 1 part by weight of powder containing a silica component, more preferably in an amount of 1 to 10 parts by weight per 1 part by weight of powder containing a silica component. Will be.
  • the content of the alcohol is less than 1 part by weight per 1 part by weight of the powder containing the silica component, there is a problem that the quality of the product is uneven because the alcohol containing the silica component is not uniformly supported as a whole, and exceeds 80 parts by weight. In this case, the viscosity of the final mixture is too low to make the molding difficult and can cause unnecessary loss of alcohol, but the upper limit is not particularly limited.
  • the alcohol forms a viscous mixture with the powder comprising the silica component.
  • Such a mixture is free of dust and has a suitable viscosity for molding, and may further include water with control of the type and amount of alcohol solvent, and may further mix the fiber material, if necessary. Physically mixing with the fibrous material can enhance its rigidity, durability, flexibility and the like.
  • the alcohol may be at least one or more selected from the group consisting of methanol, ethanol, propanol, butanol, pentanol, hexanol, heptanol and octanol, but is not limited thereto, preferably one of propanol, butanol and pentanol Mixtures of the above components or mixed alcohols containing at least one of these components are used.
  • the heat insulation paste composition of this invention contains a fiber, and such fiber may be a short fiber, a long fiber, or a mixture thereof.
  • the short fiber means that the length is 5 to 50mm
  • the long fiber means that the length is more than 50 100mm.
  • the average diameter of a said cross section is 3-30 micrometers, It is more preferable that average fiber is 5-20 micrometers, More preferably, it is 10-20 micrometers. If the average diameter of the fiber cross-section is less than 3 ⁇ m there is a problem that causes respiratory and skin diseases, if it exceeds 30 ⁇ m there is a problem that the thermal conductivity is increased by increasing the cross-sectional area of the fiber.
  • short fibers has the advantage of uniform insulation, but physical properties such as toughness and stiffness may be weakened.
  • physical properties such as toughness and stiffness may be strengthened, but some heat resistance characteristics may be uneven. There is this. Therefore, it is preferable to mix short fibers and long fibers.
  • a fiber in the form of a woven or nonwoven fabric may be used as the fiber, in which case a single fiber and / or a long fiber may be primarily prepared by separating fibers from a woven or nonwoven fabric using a cutting machine, a punching machine, or the like.
  • the fiber is preferably included in an amount of 0.1 to 100 parts by weight per 1 part by weight of the silica component powder, and more preferably 0.1 to 10 parts by weight. If the content of the fiber material is less than 0.1 parts by weight based on the weight of the powder containing the silica component, there is a problem that the binding force of the final product is easily broken and brittle, if the content exceeds 100 parts by weight of the mixture The viscosity of can become too large to make molding difficult and the contribution of fibrous material to the content of the final product increases, which tends to reduce the overall thermal insulation.
  • the "fibers” included in the thermal insulation paste composition are those which already have a fiber form, or later, include a “fiber precursor” having a fiber form in the step of forming the paste composition.
  • the "fiber precursor” is to include any material that can be formed into fibers in the step of molding the insulating paste composition.
  • low density polyethylene LDPE
  • linear low density polyethylene LLDPE
  • high density polyethylene HDPE
  • ethylene vinyl acetate copolymer EVA
  • polypropylene PP
  • ABS acrylonitrile-butadiene-styrene
  • the particles may be changed into a fibrous form through heat compression, so that the powder includes an silica component, an alcohol and an insulating paste composition comprising the particulate material.
  • the fibrous phase is formed in the final insulation product by heat pressing is included in the scope of the present invention.
  • the silylating agent is preferably included in an amount of 0.1 to 5 parts by weight, more preferably 0.3 to 1 part by weight, per 1 part by weight of the powder containing the silica component.
  • the silylating agent is physically attached to the surface of the silica component together with the alcohol solvent to serve to bind the powder to each other. Therefore, when the content of the silylating agent is less than 0.1 per 1 part by weight based on the weight of the powder containing the silica component, the binding force with the powder containing the silica component does not tend to be sufficiently improved, and furthermore, If the hydrophobicity tends to be lowered, on the other hand, if the amount exceeds 5 parts by weight, there is a problem in that economical unnecessary loss is caused due to a slight improvement in the cost as the content increases.
  • silylating agent may be used to react with the silylating agent on the surface of silica, or alternatively or together with the silica aerogel or hydrophobic mesoporous silica, White carbon, hydrophobic fumed silica can also be used.
  • silylating agent for example, a silane compound represented by the following formula (1) may be used.
  • R 1 is C 1 -C 10 , preferably C 1 -C 5 alkyl, aromatic, heteroaromaticalkyl or hydrogen
  • X is selected from F, Cl, Br, I, Cl a halogen atom, preferably Cl, and, or C 1 -C 10, preferably an alkoxy group, or an aromatic alkoxy group, a heteroaromatic group, an alkoxy of C 1 -C 5.
  • silylating agents for example, disiloxanes of formula (2) can be used.
  • R 3 groups are the same or different and may be C 1 -C 10 , preferably C 1 -C 5 alkyl, aromaticalkyl, heteroaromatic alkyl or hydrogen.
  • silylating agents include, but are not limited to, hexamethyldisilane, ethyltriethoxysilane, trimethoxysilane, triethylethoxysilane, methyltrimethoxysilane, ethyltrimethoxysilane, It may be at least one selected from the group consisting of methoxytrimethylsilane, trimethylchlorosilane and triethylchlorosilane.
  • the powder containing the silica component is preferably at least one selected from the group consisting of silica aerogel powder, silica mineral powder, silica hydrogel, silica bubble, white carbon, and fumed silica powder.
  • the fiber material is not particularly limited in its component, and may be an inorganic fiber, an organic fiber, or a mixed fiber thereof.
  • the inorganic fiber may be at least one selected from the group consisting of glass fiber, silica fiber, ceramic fiber, rock wool and mineral wool, but is not limited thereto.
  • the organic fiber may be at least one selected from the group consisting of regenerated fiber semisynthetic fiber and synthetic fiber, but is not limited thereto.
  • the regenerated fiber may for example be at least one selected from the group consisting of fibrillar fibers and protein fibers, and the semisynthetic fiber may be at least one selected from the group consisting of acetate and triacetate, for example
  • it may be at least one polymer resin selected from the group consisting of polyethylene (PE), polypropylene (PP), polyvinyl, polyamide, and polyurethane.
  • the heat insulation paste composition may further comprise more than 0 to 10 parts by weight of water per 1 part by weight of powder containing a silica component.
  • Water may be added due to viscosity control and economic reasons, but when included in an amount exceeding 40 parts by weight per 1 part by weight of the powder containing the silica component, shrinkage may occur and thermal properties may deteriorate, but cracks may form in the final product. Can be.
  • the preferable viscosity of the heat insulation paste composition of this invention is 50,000-100,000 cps, More preferably, it is 80,000-90,000 cps.
  • the preferred form of the thermal insulation paste composition of the present invention is, for example, about the clay material wetted with water, such as clay, in which case molding can be performed smoothly.
  • thermal insulation paste composition of the present invention may further comprise other additives to impart additional or improved properties to the final product.
  • additives are not particularly limited, but materials such as SiC, Al 2 O 3 , Fe 2 O 3 , TiO 2 , ZnO, MgO, etc. may be added based on the weight of the entire thermal insulation composition to enhance the high temperature insulation properties of the final product. To 30% by weight.
  • a method for producing an insulation product using the insulation paste composition of the present invention is provided.
  • the method for producing an insulating article of the present invention more specifically comprises the steps of mixing the insulating paste composition of the present invention; Molding the mixed thermal insulation paste composition; And drying the molded insulating paste composition.
  • the order of mixing the powder, alcohol, fibers and optionally the silylating agent including the silica component is not particularly limited, wherein the mixing may be both slow mixing and high speed mixing,
  • mixing facilities such as a ball mill and a bead mill, can be used.
  • the step of molding the mixed insulating paste composition is then performed, followed by drying to evaporate and dry the water and / or alcohol solvent to obtain the final insulating material.
  • the forming step is not particularly limited in form.
  • the heat insulation paste composition of the present invention has excellent moldability that can be molded into any form, and can be molded into a thin sheet form, a form covering a surface having a bend or unevenness, and the like, and thus a shape required for any device requiring heat insulation. Molding is possible.
  • a step of compressing and molding the paste composition into a desired shape may be performed. More specifically, the paste composition may be injected between molds of a desired shape, and then pressed into a press and heated to form a desired shape. have.
  • the temperature of the drying step is not limited, for example, the first drying step is carried out in a single step at a temperature of 50 to 250 °C in terms of efficiency or at a temperature of 50 to 100 °C; And a secondary drying step performed at a temperature of 100 to 250 ° C.
  • the temperature of the drying step is less than 50 °C there is a problem that the solvent in the pores do not evaporate, if it exceeds 250 °C there is a problem that the surface of the final product is expanded in the drying step.
  • the drying step when drying is performed only at a low temperature as in the first drying step, the drying time is long or the drying is not completed completely, so that the solvent is partially added to the final product. Since it may remain, it is preferable to carry out the second step by raising the temperature. However, if the drying step is performed at an excessively high temperature, the drying time may be shortened, but the shrinkage rate may increase due to rapid drying, which may cause a problem of deterioration of the thermal insulation of the final product. There is this.
  • a heat insulating material having moldability and thin film property while having excellent heat insulating properties can be provided.
  • an insulation sheet manufactured in the form of a sheet may be provided using the insulation paste composition of the present invention, wherein the insulation sheet may have an average thickness of 0.1 mm to 10 mm, and in particular, the insulation sheet has an average thickness. It can be manufactured in the form of a thin film, such as 0.3mm to 0.7mm, and still maintain excellent heat insulating properties. It may also be manufactured in the form of a board having a thickness of more than 10 mm to 100 mm.
  • the present invention not only a sheet having a thin film and having a heat insulating film having flexibility and formability, but also a board having a thick thickness and no flexibility can be obtained.
  • the board-shaped insulation may be made of one thick sheet, or may be manufactured by stacking a plurality of thin sheets.
  • the heat insulating sheet thus prepared may be prepared by stacking a plurality of layers of heat insulating sheets and then dried to produce a thicker heat insulating sheet.
  • the insulating sheet may be formed in a flat, uneven surface or curved shape.
  • the insulating paste composition of the present invention can be used as an insulating material for aircraft parts, semiconductors, insulating parts for electronic industry processes, interior parts of automobiles, or insulating parts. It can also be used as components in various fields such as power generating parts or transmission parts, missile insulation parts, fuel cells, insulation parts such as composite batteries, and insulation packaging of semiconductor parts.
  • the industrial pipe includes, but is not limited to, pipes, cables and exhaust pipes.
  • the cylindrically shaped insulating material may be applied as a heat insulating material for automobile exhaust pipe heat protector, a cable of a fire fighting robot, industrial piping and the like.
  • the insulating paste composition of the present invention is not limited in its molding, it can be molded into various structures for protecting equipment such as an automobile engine exhaust port, a missile or a GPS in a rocket, and thus there is no limitation in the application field and in the overall industrial field. It can be widely applied.
  • the LCD is used in a TV panel, for example, because the LCD generates a local color shift due to heat, it can be applied in the form of a thin film insulation sheet between the LCD and the module, electronic sensor case, rocket And supersonic aircraft, for example, in the protection of electronic components, such as sensors caused by the frictional heat of aerospace aircraft, and the like, and in electric vehicle electronic components, particularly those that cause damage to external temperatures in polar or desert terrain. It can be applied to increase insulation effect, and it can be used for insulation of defense missile electrical parts, submarine fuel cell insulation sheet, insulation protection sheet for nuclear fusion device, laptop, communication module, etc. to save energy saving and frequency related devices due to heat loss. It can be insulated from temperature to obtain more stable communication quality. Species may be applied to electric heater.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 80 ° C. for 10 hours and secondly at 120 ° C. for 14 hours using a hot air dryer. Little dust was generated in this process, and was dried as shown in FIG. 1 (b). As a result of measuring its thermal conductivity, it was 24.9 mW / mK, almost no dust, showed strong hydrophobicity as shown in FIG. 1 (c), and did not burn in fire as shown in FIG. 1 (d).
  • hydrophobic silica aerogel powder 200 g was mixed with 3,200 g of a solvent in which propanol, pentanol and ethanol were mixed at a weight ratio of 4: 4.5: 1.5. And 10 g of HMDS which is a silylating agent are mixed. An additional 160 g of Al 2 O 3 powder having hydrophobicity is added thereto, and then mixed in a mixer such as a ball mill and a bead mill for a sufficient time of 5 to 10 hours. 30 g of glass fiber was added thereto and mixed to prepare a heat insulating paste composition having a jelly shape. At this time, the fiber used was an average diameter of 30 ⁇ m and 50mm average length.
  • the insulating paste composition is placed in a complex irregularities mold and pressed to form irregularities, which are then first dried at 60 ° C. for 8 hours and secondly dried at 140 ° C. for 12 hours using a hot air dryer. Little dust was generated in this process, and was prepared in a complicated shape as shown in FIG. The thermal conductivity of this product was 24.8mW / mK, almost no dust, showed a strong hydrophobicity as shown in Figure 2 (b), and did not burn on fire as shown in Figure 2 (c).
  • hydrophobic silica airgel powder 380 g was mixed with 3,000 g of a solvent containing propanol and ethanol at a weight ratio of 7: 3. 40 g of glass fiber was added thereto and mixed to prepare a heat insulating paste composition having a jelly shape. At this time, the fibers used were those having an average diameter of 30 ⁇ m and an average length of 5 mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 70 ° C. for 14 hours and secondly at 120 ° C. for 14 hours using a hot air dryer. In this process, no dust was generated, and the thermal conductivity thereof was 24.0 mW / mK. There was almost no dust, and it showed strong hydrophobicity as shown in FIG. 3 (a). Did not burn.
  • hydrophobic silica powder 190 g was mixed with 2,300 g of a solvent in which ethanol, propanol and methanol were mixed at a weight ratio of 1: 6: 3.
  • 100 g of hydrophilic silica powder, 50 g of porous MgO powder having hydrophilicity, and 60 g of glass fiber were put together and mixed within 30 minutes to prepare a heat-insulating paste composition having a jelly shape.
  • the fibers used were those having an average diameter of 25 ⁇ m and an average length of 5 mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 60 ° C. for 6 hours and secondly at 130 ° C. for 18 hours using a hot air dryer. As a result of measuring the thermal conductivity of this product, it was 31.54 mW / mK, and there was almost no dust, strong hydrophobicity as shown in FIG. 4 (a), and did not burn in fire as shown in FIG. 4 (b).
  • hydrophilic silica powder having an average size of 100 ⁇ m is mixed with 2,000 g of a solvent in which methanol and propanol are mixed at a weight ratio of 5: 5, and 10 g of ethyltriethoxysilane, which is a silining agent, is sufficient for 5 to 10 hours.
  • 350 g of mesoporous silica powder and 30 g of glass fiber having hydrophobicity were added thereto, and the mixture was mixed within 30 minutes to prepare a heat-insulating paste composition in the form of jelly.
  • the fibers used were those having an average diameter of 5 ⁇ m and an average length of 10 mm.
  • the insulating paste composition is placed in a pipe-shaped mold and pressed by hand to obtain a desired shape, followed by primary drying at 60 ° C. for 10 hours and secondary drying at 150 ° C. for 12 hours using a hot air dryer. No dust was generated during this process.
  • a pipe-shaped product was molded and manufactured as shown in FIGS. 5 (a) and 5 (b).
  • the thermal conductivity of this product was 26.9mW / mK, almost no dust, strong hydrophobicity as shown in FIG. 5 (c), and did not burn on fire as shown in FIG. 5 (d).
  • hydrophilic silica hydrogel To 130 g of hydrophilic silica hydrogel, 2,500 g of a solvent in which ethanol and propanol were mixed at a weight ratio of 2: 8, and 13 g of ethyltriethoxysilane, a silylating agent, were mixed together for a sufficient time of 5 to 10 hours. Mix in a mixer such as bead mill.
  • a mixer such as bead mill.
  • 340 g of hydrophobic silica powder, 28 g of silicon carbide (SIC), which is a refractory, and 40 g of glass fiber are mixed and mixed within 30 minutes. Prepared. At this time, the fiber was used having an average diameter of 15 ⁇ m and an average length of 10mm.
  • SIC silicon carbide
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 80 ° C. for 5 hours and secondly at 125 ° C. for 20 hours using a hot air dryer. No dust was generated in this process, and after drying, a product of the shape as shown in FIG. 6 (b) was molded and manufactured.
  • the thermal conductivity of the product was 33.9 mW / mK.
  • hydrophobic silica aerogel powder 170g of hydrophobic silica aerogel powder is mixed with 150g of hydrophobic silica powder, and 2,500g of ethanol solvent is mixed. 30 g of glass fiber was added thereto and mixed to prepare a heat insulating paste composition having a jelly shape. At this time, the fibers used were those having an average diameter of 20 ⁇ m and an average length of 10 mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 65 ° C. for 8 hours and secondly at 120 ° C. for 14 hours using a hot air dryer.
  • the product manufactured as shown in Figure 7 exhibited a thermal conductivity of 37.5mW / mK.
  • hydrophilic silica aerogel powder 250 g is mixed with 2,500 g of a solvent in which pentanol and heptanol are mixed at a weight ratio of 7: 3, and 12 g of ETES, a silining agent, is mixed with a ball mill and a bead mill for a sufficient time of 5 to 10 hours.
  • ETES a silining agent
  • the heat insulation paste composition is placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 75 ° C. for 14 hours and secondly at 160 ° C. for 18 hours using a hot air dryer. After drying, the thermal conductivity of the product manufactured as shown in FIG. 8 was found to be 24.9 mW / mK.
  • the thermal insulation paste composition was first dried at 60 ° C. for 8 hours and secondly at 120 ° C. for 20 hours using a hot air dryer in a 310 ⁇ 310 ⁇ 12 mm mold. Little dust was generated in this process, and was prepared as shown in FIG. 9 (a) to exhibit a thermal conductivity value of 28.8mW / mK, and showed strong hydrophobicity as shown in FIG. 9 (b).
  • hydrophilic silica hydrogel 180 g is mixed with 100 g of alumina powder having hydrophilicity and 180 g of mesoporous silica powder having hydrophobicity. Then, 2,800 g of ethanol and water are mixed in a weight ratio of 7: 3. 30 g of silica fibers as inorganic fibers were added thereto and mixed to prepare a heat insulating paste composition having a jelly shape. At this time, the fiber was used having an average diameter of 15 ⁇ m and an average length of 10mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 65 ° C. for 10 hours and secondly at 110 ° C. for 18 hours using a hot air dryer. No dust was generated in this process, and after drying, it was prepared as shown in FIG. 10 (a), and showed a thermal conductivity value of 38.1 mW / mK, and showed strong hydrophobicity as shown in FIG. 10 (b).
  • glass fiber was thoroughly mixed with 3,000 g of a solvent in which a butanol, ethanol, and water were mixed at a weight ratio of 1: 5: 4, and 180 g and 200 g of hydrogel and hydrophobic mesoporous silica powder were added.
  • Insulating jelly paste composition was prepared in an easy jelly form. At this time, the fiber was used having an average diameter of 5 ⁇ m and an average length of 30mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 60 ° C. for 6 hours and secondly at 130 ° C. for 20 hours using a hot air dryer. No dust was generated in this process, and after drying, it was prepared as shown in FIG. 11 (a), and showed a thermal conductivity value of 32.5mW / mK, and showed strong hydrophobicity as shown in FIG. 11 (b).
  • hydrophilic silica hydrogel 20 g of Fe 2 O 3 powder having hydrophilicity and 150 g of TiO 2 powder (rutile type) were added to 2,000 g of a solvent in which pentanol and propanol were mixed at a weight ratio of 2: 8, and then mixed again.
  • 30 g of glass fibers were added and mixed again within 30 minutes to prepare an insulation paste composition having a viscosity in a jelly form that was easy to mold. In this case, fibers having an average diameter of 30 ⁇ m and an average length of 20 mm were used.
  • the insulating paste composition was placed in a complex irregularities mold and pressed to form the irregularities thereof, and then, firstly dried at 80 ° C. for 6 hours and secondly at 140 ° C. for 20 hours using a hot air dryer. No dust was generated in this process, and as a result, a complex irregularities having a strong hydrophobicity as shown in FIG. 12 (a) and FIG. 12 (b) were formed in a plate shape, exhibiting a thermal conductivity value of 29.7 mW / mK. .
  • nitric acid and 100 g of water were added to 4,000 g of the mixture of tetraethlyorthosilicate (TEOS) and ethanol, which act as precursors, in a weight ratio of 1: 1 to induce a hydrolysis reaction, and mixed in a mixer for a sufficient time.
  • TEOS tetraethlyorthosilicate
  • 180 g of mesoporous silica powder having hydrophobicity and 20 g of hydrophobic alumina powder, 30 g of glass fiber were added thereto, and then mixed within 30 minutes to prepare a heat-insulating paste composition in the form of jelly. At this time, the fibers were used having an average diameter of 10 ⁇ m and an average length of 40 mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 50 ° C. for 7 hours and secondly at 110 ° C. for 18 hours using a hot air dryer. Little dust was generated in this process, and after drying, it showed a thermal conductivity value of 34.1 mW / mK, and was prepared as a product having strong hydrophobicity as shown in FIGS. 13 (a) and 13 (b).
  • 600 g of solvent-substituted silica hydrogel was added to 1,000 g of a propanol solvent and mixed in a mixer such as a ball mill and a bead mill for a sufficient time of 5 hours to 10 hours.
  • 50 g of alumina powder having hydrophobicity and 200 g of hydrophobic mesoporous silica powder and 40 g of glass fiber were added thereto, and then mixed within 30 minutes to prepare a heat insulating paste composition having a jelly shape. At this time, the fiber was used having an average diameter of 5 ⁇ m and an average length of 10mm.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 80 ° C. for 7 hours and secondly at 130 ° C. for 18 hours using a hot air dryer. No dust was generated in this process, and after drying, the thermal conductivity value of 24.3 mW / mK was shown, and a product having strong hydrophobicity as shown in FIGS. 14 (a) and 14 (b) was prepared.
  • Insulating paste composition was prepared as in Example 1.
  • the thermal insulation paste composition was pressed several times between the twin rollers to prepare a sheet sheet with a thickness of 2mm ⁇ 2.2mm and dried at 150 ⁇ 160 °C by hot air drying method for 3 hours or more to prepare a heat insulating plate-like sheet.
  • the thermal conductivity of the insulation sheet was 25.2mw / mk, and this insulation sheet could be applied as a heat insulation product of the battery module.
  • Insulating paste composition was prepared as in Example 1.
  • the insulating paste composition was pressed several times between twin rollers to prepare a sheet sheet having a thickness of 2 mm to 2.1 mm, and then wound five times in succession to a 100 mm diameter pipe to make a cylindrical sheet to have a thickness of 10 to 10.5 mm. After the cylindrical sheet was dried at 230 to 250 ° C. for 3 hours or more by a hot air drying method, an insulating cylindrical sheet was prepared.
  • the insulating cylindrical sheet was cut to pass through the circle center of the cross section so as to be two semi-cylindrical to be symmetrical.
  • the insulating cylindrical sheet can be applied to the pipe insulation by fastening to cover the outside of the industrial pipe diameter is 100mm.
  • An insulating paste composition was prepared as in Example 9.
  • the insulating paste composition was pressed several times between the twin rollers to prepare a sheet-like sheet with a thickness of 5mm ⁇ 5.1mm and then wound six times in succession in a 350mm diameter pipe to make a cylindrical sheet so that the thickness is 30 ⁇ 30.6mm. After the cylindrical sheet was dried at 150 to 160 ° C. for at least 5 hours by a hot air drying method, an insulating cylindrical sheet was manufactured.
  • the insulating cylindrical sheet was cut to pass through the circle center of the cross section so as to be two semi-cylindrical to be symmetrical. This insulating cylindrical sheet can be applied as a pipe insulation to industrial pipe diameter 350mm.
  • An insulating paste composition was prepared as in Example 4. After pressing the insulation paste composition several times between the twin rollers to prepare a sheet-like sheet with a thickness of 5mm ⁇ 5.2mm and then molded into a mold of the same shape as the exhaust pipe of the car and hot air drying method at 150 ⁇ 160 °C 5 hours or more Dried.
  • This insulation sheet was installed as a vehicle exhaust pipe insulation, it was possible to reduce the heat loss of the exhaust pipe surface due to the outside temperature to 10%.
  • An insulating paste composition was prepared as in Example 4.
  • the insulating paste composition was pressed several times between twin rollers to prepare a sheet sheet having a thickness of 3 mm to 3.2 mm, and then formed into an exhaust pipe heat protector mold of an automobile and dried at 150 to 160 ° C. for at least 5 hours by a hot air drying method. .
  • Such a heat insulating sheet may be mounted as an automotive exhaust pipe heat protector to exhibit an excellent effect of insulating the hot heat of the exhaust pipe into itself.
  • An insulating paste composition was prepared as in Example 5.
  • the thermal insulation paste composition was pressed several times between twin rollers to prepare a sheet sheet with a thickness of 5 mm to 5.2 mm, and then dried at 150 to 160 ° C. for 3 hours or more by a hot air drying method to prepare an insulating sheet sheet.
  • An insulating paste composition was prepared in the same manner as in Example 14.
  • the thermal insulation paste composition was pressed several times between twin rollers to prepare a sheet sheet with a thickness of 0.4mm ⁇ 0.6mm and dried at 150 ⁇ 160 °C by hot air drying method for 3 hours or more to prepare a heat insulating plate-like sheet.
  • the insulation plate-like sheet was wrapped around the cable part and the board part of the fire-fighting robot and subjected to heat treatment. Fire-fighting robots equipped with this insulating sheet were tested at 300 and 600, and the fire-fighting robot with this insulating sheet was improved by 50%.
  • hydrophobic silica airgel powder 180g with hydrophobic alumina powder 50g and hydrophobic mesoporous silica powder 150g 3,000 g of a solvent mixed with propanol and butanol in a weight ratio of 5: 5 is mixed. 2 g of glass fiber was added thereto to prepare a heat insulating paste composition having a jelly shape. At this time, the fibers were used having an average diameter of 30 ⁇ m and an average length of 5mm.
  • hydrogel powder having hydrophobicity is mixed with 50 g of hydrophobic alumina powder, and 2,000 g of butanol is mixed therein.
  • 50 g of glass fiber and 150 g of silica fiber were further added thereto, and 100 g of butanol solvent was added thereto, followed by mixing to prepare a heat insulating paste composition having a jelly shape. At this time, the fiber was used having an average diameter of 3 ⁇ m and 50mm average length.
  • the heat insulation paste composition was placed in a mold of 310 ⁇ 310 ⁇ 12 mm and firstly dried at 80 ° C. for 8 hours and secondly at 130 ° C. for 16 hours using a hot air dryer. No dust was generated in this process, and after drying, it was prepared as shown in FIG. 16 (a) and showed a thermal conductivity value of 34.6 mW / mK. However, due to the high fiber content ratio, the weak hydrophobicity as shown in FIG. 16 (b). Seemed.

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Abstract

La présente invention concerne une composition de pâte d'isolation et un procédé de préparation d'un matériau d'isolation l'utilisant et, plus particulièrement, un procédé de fabrication d'un produit d'isolation, le procédé comprenant les étapes consistant à : mélanger la composition de pâte d'isolation de la présente invention avec une composition de pâte d'isolation comprenant de l'alcool, des fibres courtes, et une poudre qui comprend un composant silice ; mouler la composition de pâte d'isolation mélangée ; et sécher la composition de pâte d'isolation moulée.
PCT/KR2017/003595 2016-08-26 2017-03-31 Composition de pâte d'isolation, matériau d'isolation l'utilisant, et procédé de préparation de matériau d'isolation Ceased WO2018038343A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780050139.9A CN109563000A (zh) 2016-08-26 2017-03-31 隔热浆料组合物、利用其的隔热材料及其制备方法

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KR10-2016-0108968 2016-08-26
KR20160108968 2016-08-26
KR1020170036757A KR20180023788A (ko) 2016-08-26 2017-03-23 단열 페이스트 조성물, 이를 이용한 단열 재료 및 이의 제조 방법
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060091214A (ko) * 2005-02-14 2006-08-18 주식회사 엔티피케이 단열재용 조성물, 이를 이용하여 제조되는 단열 패널과 그제조방법 및 건축물의 층간구조
KR20080112520A (ko) * 2007-06-21 2008-12-26 이재환 단열성 시트의 조성물
JP2009047285A (ja) * 2007-08-22 2009-03-05 Sekisui Chem Co Ltd 配管用断熱材
KR20100085472A (ko) * 2009-01-20 2010-07-29 알이엠텍 주식회사 에어로겔을 포함하는 초단열성 에어로겔 함유 페인트
KR101288736B1 (ko) * 2012-08-16 2013-07-29 주식회사 엠쓰리텍 에어로겔 페이스트 및 그의 제조 방법
KR20150005753A (ko) * 2013-07-04 2015-01-15 유정근 단열 조성물, 이의 제조방법 및 이를 이용한 단열 소재

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060091214A (ko) * 2005-02-14 2006-08-18 주식회사 엔티피케이 단열재용 조성물, 이를 이용하여 제조되는 단열 패널과 그제조방법 및 건축물의 층간구조
KR20080112520A (ko) * 2007-06-21 2008-12-26 이재환 단열성 시트의 조성물
JP2009047285A (ja) * 2007-08-22 2009-03-05 Sekisui Chem Co Ltd 配管用断熱材
KR20100085472A (ko) * 2009-01-20 2010-07-29 알이엠텍 주식회사 에어로겔을 포함하는 초단열성 에어로겔 함유 페인트
KR101288736B1 (ko) * 2012-08-16 2013-07-29 주식회사 엠쓰리텍 에어로겔 페이스트 및 그의 제조 방법
KR20150005753A (ko) * 2013-07-04 2015-01-15 유정근 단열 조성물, 이의 제조방법 및 이를 이용한 단열 소재

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