WO2014163403A1 - Composition de revêtement contenant un aérogel composite et son procédé de production - Google Patents

Composition de revêtement contenant un aérogel composite et son procédé de production Download PDF

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Publication number
WO2014163403A1
WO2014163403A1 PCT/KR2014/002859 KR2014002859W WO2014163403A1 WO 2014163403 A1 WO2014163403 A1 WO 2014163403A1 KR 2014002859 W KR2014002859 W KR 2014002859W WO 2014163403 A1 WO2014163403 A1 WO 2014163403A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating composition
airgel
composite airgel
composite
weight
Prior art date
Application number
PCT/KR2014/002859
Other languages
English (en)
Korean (ko)
Inventor
홍순오
유영종
이재환
Original Assignee
주식회사 관평기술
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020130035707A external-priority patent/KR20130048738A/ko
Priority claimed from KR1020130035709A external-priority patent/KR20130048740A/ko
Priority claimed from KR1020130035708A external-priority patent/KR20130048739A/ko
Priority claimed from KR1020130038011A external-priority patent/KR20130048746A/ko
Priority claimed from KR1020130038009A external-priority patent/KR20130048744A/ko
Priority claimed from KR1020130038006A external-priority patent/KR20130048741A/ko
Priority claimed from KR1020130038012A external-priority patent/KR20130048747A/ko
Priority claimed from KR1020130038010A external-priority patent/KR20130048745A/ko
Priority claimed from KR1020130038008A external-priority patent/KR20130048743A/ko
Priority claimed from KR1020130038007A external-priority patent/KR20130048742A/ko
Priority claimed from KR1020130039734A external-priority patent/KR20130048748A/ko
Priority claimed from KR1020130043917A external-priority patent/KR20130048754A/ko
Application filed by 주식회사 관평기술 filed Critical 주식회사 관평기술
Publication of WO2014163403A1 publication Critical patent/WO2014163403A1/fr

Links

Classifications

    • 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
    • C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the present invention relates to a heat insulating paint and a method for manufacturing the same, and more particularly to a coating composition containing a composite airgel and a method for producing the same.
  • This conventional insulating paint is not only difficult to evenly disperse the hollow ceramic powder in the paint, but when the paint containing the ceramic powder is left for a long time, there is a problem that the hollow ceramic powder and other fillers are separated into layers due to the weight difference. It is becoming. In addition, when applied in the form of paint, a problem arises that sufficient amount occurs during drying. For this reason, heat insulation property falls.
  • the thermal insulation properties of the paint are insignificant.
  • Korean Unexamined Patent Publication No. 2007-117413 discloses a method of manufacturing an inorganic binder and adding heat (vermiculite powder), auxiliary solid (titanium oxide), dispersant, and flow control agent to the inorganic binder to impart heat insulation to the paint. have.
  • the airgel with excellent thermal insulation in the paint in the form of a powder more specifically, the silica airgel or titanium dioxide airgel each included in the paint alone
  • the silica airgel and the titanium dioxide airgel are mixed and included in the paint to improve the thermal insulation of the paint.
  • silica airgel has a relatively low density
  • titanium dioxide airgel has a relatively high density
  • the heat insulation performance is lowered due to the concentration on the upper or lower side of the paint.
  • the above two materials are mixed and included in the paint, they are separated from each other in the drying process of the paint due to the difference in density, so that it is difficult to provide effective thermal insulation performance.
  • Patent Document 1 Republic of Korea Patent Publication No. 10-2010-0085472 (published Jul. 29, 2010) 'Super insulating airgel-containing paint containing an airgel'
  • the present invention has been made in order to solve the conventional problems as described above, but to be made to include a composite airgel in the coating composition, the composite airgel, the infrared blocking material containing carbon in the base material that can be formed as an airgel uniformly It is an object of the present invention to provide a coating composition and a method for producing the composite aerogel, characterized in that to be formed in an integrally bonded structure, to provide a better heat insulating performance than in the prior art. .
  • the coating composition containing the composite airgel according to the present invention comprises a resin liquid for coating formed of a liquid resin; A composite aerogel formed in a three-dimensional mesh structure forming a base material with an integral bonding structure in which an infrared ray blocking material is embedded, and added to the coating resin liquid in powder form; It is made, including, the infrared ray blocking material is carbon, or is characterized in that the carbon and titanium dioxide complex formed in a certain weight ratio.
  • the method for producing a coating composition containing a composite airgel according to the present invention while adding a powdered infrared ray blocking material to the mixed solution (sol) mixed with water to the base material, while stirring, adding carbon as the infrared ray blocking material or Combining and adding carbon and titanium dioxide in a predetermined weight ratio, stirring, and then forming a composite aerogel by adding a catalyst to gel the catalyst; Powdering the composite airgel and adding the resultant to the coating resin solution.
  • the present invention having the configuration as described above can provide the following technical and economic effects.
  • the thermal insulation performance is further improved compared to conventional paints due to the synergistic effect of the interaction between the integrally bonded airgel base material and the infrared ray blocking material. There is a technical effect that can provide.
  • the infrared ray blocking material is stirred in a powder state in a mixed solution (sol) mixed with the base material and water so as to be formed integrally in the process of gelation.
  • the coating composition according to the present invention a resin liquid for coating formed of a liquid resin capable of exhibiting a predetermined color;
  • the coating resin liquid is to be a basic material of the coating composition according to the present invention, and more specifically, a liquid acrylic resin, a silane resin, a siloxane resin, a phthalic acid resin, a vinyl chloride resin, an epoxy resin, It is preferable to form based on either urethane resin or amino alkyd resin.
  • the composite airgel is added to the resin solution for coating formed as described above, and the composite airgel is preferably added in a powder form and stirred, wherein the composite airgel blocks the base material and the infrared wavelength which can be formed in the airgel form.
  • Infrared shielding material is formed in a structure in which the combined body. It is preferable to mix the said coating resin liquid and the composite airgel in 40-95 weight% of said coating resin liquids at the ratio of 5 to 60 weight% of a composite airgel.
  • the base material is formed in a three-dimensional network structure
  • the infrared ray blocking material is a nano to several tens of micrometers smaller than the base material
  • the structure is inherently coupled to the three-dimensional network forming the base material.
  • the base material is preferably formed using any one of silica, alumina, polyimide, silica-titania, silica-carbon, vanadia, zirconia, and acetate cellulose, which can be formed in an airgel form.
  • a mixed solution (sol) in which water is mixed with the base material preferably made by mixing 10 to 50% by weight of the base material and 50 to 90% by weight of water.
  • the infrared ray blocking material may be used alone or in a mixture of carbon and other infrared ray blocking materials at a predetermined ratio. Carbon absorbs and scatters infrared rays to block heat by radiant heat, thereby improving thermal insulation performance of the composite aerogel. As carbon, graphite, carbon black, activated carbon, or the like may be used. The infrared blocking material may be used to form a size of nano to several tens of micrometers. The length of the carbon used as the infrared blocking material is preferably about 0.1 to 50 ⁇ m.
  • titanium dioxide may be used as another infrared ray blocking material. Titanium dioxide has the effect of blocking infrared rays like carbon, and thus, by forming a structure in which two or more infrared ray blocking materials are uniformly integrally bonded to the base material, the composite airgel can exhibit more excellent thermal insulation performance by providing density. . Titanium dioxide is preferably used in the form of a powder having a diameter of 300 to 500 nm. The blending ratio of titanium dioxide to 1 part by weight of carbon is preferably about 0.1 to 2 parts by weight, particularly preferably about 0.5 to 1 part by weight.
  • the base material and the infrared ray blocking material which are bonded at the nano to tens of microscopic particle levels, are not broken and maintained even when the powder is pulverized in the form of powder. It is done.
  • any functional material for thermal insulation may be additionally formed in the size of nano to several tens of micrometers to be combined with the base material in the same way.
  • the total amount of the infrared ray blocking material including the other insulating material is preferably about 0.5 to 10% by weight based on the total weight of the composite airgel finally formed.
  • the density is 0.09 to 0.025 g / cm 3 (based on silica), and most infrared ray blocking materials have a density of 4.1 g / cm 3 (based on titanium dioxide), so that they are simply mixed and included in the coating resin.
  • the base material has a problem in that the upper portion of the coating resin solution, the infrared blocking material sinks in the lower portion of the coating resin solution, but due to the bonding structure according to the present invention, the composite airgel is formed with an average density of both materials do.
  • both materials Due to the averaging of the bonding structure and density of the two materials in the dimension of nano to several tens of micrometers as described above, both materials are not separated from each other even during the drying process of the paint, and are kept in an integral structure, without being biased to a specific part of the paint. It is evenly distributed over the entire part, so that it can effectively block external thermal energy and infrared wavelengths.
  • the composition for controlling the viscosity is dry silica
  • the dry silica is also preferably formed into a nano-sized powder form and stirred in the resin solution for coating, the amount of the input is added in the minimum amount that can be maintained evenly distributed in the composite airgel during the drying process of the paint It is desirable to.
  • the dry silica is included in the range of 0.01 to 3% by weight in the total weight of the resin solution for paint containing the composite airgel.
  • the coating composition of the present invention may preferably further comprise a binder.
  • the binder may be used in combination with an organic binder or an inorganic binder or both. Since the composite airgel has a low density and hydrophobicity, it is preferable to form a coating composition by adding an organic binder and / or an inorganic binder to the coating resin liquid and the composite airgel.
  • an organic binder and an inorganic binder can be mixed and used in fixed ratio. This is because the organic binder alone is difficult to increase the content of the airgel in the composition, the inorganic binder alone is difficult to paint, and the inorganic binder itself is not preferable when the amount of use is high due to high thermal conductivity.
  • the most preferable range is to use by mixing 30 to 90% by weight of the organic binder and 10 to 70% by weight of the inorganic binder, it is possible to paint in this range, excellent heat insulation and good flame retardancy.
  • the thermal conductivity of the organic binder and the inorganic binder increases significantly as the content is increased after the coating composition is formed, it is preferable to add the organic binder and the inorganic binder in a minimum ratio to the extent that the coating composition is made, and the composite coating includes the entire air composition. It is preferable to add in the ratio of 5-50 weight% with respect to weight.
  • the organic binder is to increase paint adhesion and fluidity, it is preferable to use a binder such as polyurethane, acrylate copolymer, inorganic binder is to increase the adhesion of the paint and impart flame retardancy, potassium silicate, zinc phosphate Preference is given to using binders such as talc, magnesium oxide and the like.
  • crosslinking binder in the organic binder, and the crosslinking binder increases the viscosity when dispersed in water, thereby increasing the mixing and bonding of the organic binder and the inorganic binder and increasing the interfacial tension. Lower it significantly to allow the airgel to disperse easily
  • the water-soluble inorganic binder is preferably a binder such as micro cement, hemihydrate gypsum, silica fume, fumed silica, lime, calcium sulfoaluminate, and the water-soluble inorganic binder is hydrated with silica.
  • the pozzolanic reaction enhances the long-term strength of the coating, improves water tightness and durability, as well as tightly anchors low-density aerogels.
  • the coating composition of the present invention may further include a silicone antifoaming agent.
  • the coating composition of the present invention may further include a fiber so as to give a certain strength or more when dried.
  • the fibers preferably use fibers of 0.1 to 4 mm long.
  • the fiber at least one selected from polypropylene fiber, polyethylene fiber, silica fiber, alumina fiber, carbon fiber and glass fiber is used.
  • the method for preparing the coating composition is to form a composite airgel by adding and stirring a powdered infrared ray blocking material to a mixed solution (sol) in which water is mixed with a base material, and then gelling by adding a catalyst. Steps; Powdering the composite airgel and adding the resultant to the coating resin solution.
  • the mixed solution is formed by mixing the base material and water as described above, the base material is preferably blended 10 to 50% by weight in a proportion of 50 to 90% by weight of water.
  • the infrared blocking material is added and stirred, it is preferable that the infrared blocking material is formed in the form of powder of nano to several tens of micrometers size to the mixed solution and stirred.
  • the amount of the infrared shielding substance to the mixed solution is preferably added at a ratio of 0.0.5 to 2 parts by weight, more preferably 0.1 to 1 part by weight, particularly preferably 0.2 to 0.6 parts by weight with respect to 100 parts by weight of the mixed solution. It is desirable to.
  • the infrared blocking material is preferably used by using carbon or by combining carbon and titanium dioxide at a predetermined ratio, wherein the titanium dioxide is preferably formed to have a size of 300 to 500 nm and carbon of 0.1 to 50 ⁇ m. Do.
  • the infrared blocking material in the form of nano to several tens of micrometers powder is added to the gel by adding a catalyst to the stirred mixture, a composite airgel is formed.
  • An infrared ray blocking material of nano to several tens of micrometers is built into the dimensional network to be integrally coupled.
  • the base material and the infrared ray blocking material constituting the composite airgel are not separated from each other even if they are pulverized and formed into a powder, and are not separated even if included in the paint resin solution, so that the combined airgel can be kept intact.
  • Silica was used as a base material for forming the airgel, and carbon black was used as the infrared ray blocking material.
  • Hydro-gel after the aging process as described above is subjected to an impurity washing process to remove the sodium ions as impurities using water, wherein the water is prepared 10 liters, soaking the hydro-gel for 10 hours, sodium ions 10 liters of water are replaced every 2 hours.
  • HMDS Hexamethyldisilazane
  • N-hexane was used as the nonpolar organic solvent in relation to the solvent replacement.
  • hexane methyl disilazane is prepared 1 liter, n-hexane is 10 liters, the above two solutions (HMDS, n-hexane) to maintain the 65 degrees Celsius so that the impurity was washed in a container together Soak the hydrogel for 8 hours to allow surface modification and solvent replacement.
  • the hydro-gel is aerogelized, and by drying it for 5 hours at 100 degrees Celsius in the dryer, it is only possible to form a composite airgel.
  • Silica was used as the base material for forming the airgel, and carbon black and titanium dioxide were used as the infrared ray blocking material.
  • Example 1-1 Into the same mixed solution (silica 39% by weight + 61% by weight of water) in the same manner as in Example 1-1, carbon black and titanium dioxide were added and stirred at 1.25 grams each as an infrared ray blocking material. 2.5 grams of carbon black in powder form was added and stirred.
  • the titanium dioxide used was in the form of a spherical powder, the average diameter of about 405nm, carbon black was in the form of a powder, the average length was about 10 ⁇ m.
  • Example 1-1 The rest was carried out in the same manner as in Example 1-1, to obtain a composite airgel.
  • Example 1-1 The composite composition was prepared in Example 1-1 to prepare a coating composition having the composition shown in Table 1 below.
  • the obtained coating composition of the present invention was prepared in the form of a flat plate having a width of 25 cm, a length of 25 cm, and a thickness of 5 mm, and then completely dried, and then tested for thermal conductivity. As a result of the test, the thermal conductivity was found to be 35 mW / m.K.
  • Example 2 Using the composite airgel prepared in Example 1-2 was made a coating composition with the composition shown in Table 2 below.
  • the obtained coating composition of the present invention was prepared in the form of a flat plate having a width of 25 cm, a length of 25 cm, and a thickness of 5 mm, and then completely dried, and then tested for thermal conductivity. As a result of the test, the thermal conductivity was found to be 34.2 mW / m.K.
  • Example 3 a coating composition of the composition shown in Table 3 below was made as a control for comparison with Example 2-1.
  • a coating composition was prepared in the same manner as in Example 2-1, except that silica airgel was used instead of the composite airgel obtained in Example 1-1.
  • the obtained coating composition was prepared in the form of a flat plate having a width of 25 cm, a length of 25 cm, and a thickness of 5 mm, and then completely dried, and then tested for thermal conductivity. As a result of the test, the thermal conductivity was 39.44 mW / m.K.
  • the coating composition containing the composite airgel of the present invention can be seen that the thermal conductivity is significantly improved than when using a silica airgel.
  • the thermal conductivity of the coating composition using various insulating materials was tested, and the results were compared with the thermal conductivity of the coating composition according to the present invention.
  • thermal conductivity was tested by using a thermal insulation tex (manufactured by Samwha), Korund, and Nansulfate, which was commonly used as a thermal insulation paint.
  • the thermal conductivity of each thermal insulation paint was unified to 25 cm * 25 cm * 4 mm and tested. .
  • the thermal insulation was measured as a thermal conductivity of 75.59mW / m.K, Korund was measured 53.74mW / m.K, non-sulfate was measured to 84mW / m.K. Insulation paints are commercially available as described above was significantly higher thermal conductivity (that is, the thermal insulation performance was significantly lower) than the coating composition (Examples 2-1, 2-2) of the present invention.

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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)
  • Paints Or Removers (AREA)

Abstract

Cette invention concerne une composition de revêtement contenant un aérogel composite et son procédé de production. L'aérogel composite est constitué d'un matériau d'aérogel basique intégré de manière homogène à une substance anti-UV contenant du carbone de façon à obtenir une isolation thermique considérablement améliorée due à l'effet synergique de l'interaction entre ledit matériau d'aérogel basique et la substance anti-UV comparé à une composition de revêtement classique. En plus, le matériau basique et la substance anti-UV sont intégrés par un procédé sol-gel de façon à simplifier l'étape supplémentaire consistant à combiner le matériau fonctionnel et à obtenir une combinaison robuste et homogène, ainsi douée d'une excellente isolation thermique et de diverses autres fonctionnalités.
PCT/KR2014/002859 2013-04-02 2014-04-02 Composition de revêtement contenant un aérogel composite et son procédé de production WO2014163403A1 (fr)

Applications Claiming Priority (24)

Application Number Priority Date Filing Date Title
KR10-2013-0035708 2013-04-02
KR1020130035708A KR20130048739A (ko) 2013-04-02 2013-04-02 액상 경화성 조성물
KR1020130035707A KR20130048738A (ko) 2013-04-02 2013-04-02 액상 경화성 조성물
KR10-2013-0035707 2013-04-02
KR1020130035709A KR20130048740A (ko) 2013-04-02 2013-04-02 액상 경화성 조성물
KR10-2013-0035709 2013-04-02
KR1020130038009A KR20130048744A (ko) 2013-04-08 2013-04-08 액상 경화성 조성물
KR1020130038011A KR20130048746A (ko) 2013-04-08 2013-04-08 액상 경화성 조성물
KR1020130038006A KR20130048741A (ko) 2013-04-08 2013-04-08 액상 경화성 조성물
KR10-2013-0038010 2013-04-08
KR1020130038012A KR20130048747A (ko) 2013-04-08 2013-04-08 경화성 조성물
KR10-2013-0038006 2013-04-08
KR10-2013-0038009 2013-04-08
KR1020130038010A KR20130048745A (ko) 2013-04-08 2013-04-08 액상 경화성 조성물
KR10-2013-0038012 2013-04-08
KR10-2013-0038008 2013-04-08
KR1020130038008A KR20130048743A (ko) 2013-04-08 2013-04-08 액상 경화성 조성물
KR10-2013-0038011 2013-04-08
KR1020130038007A KR20130048742A (ko) 2013-04-08 2013-04-08 액상 경화성 조성물
KR10-2013-0038007 2013-04-08
KR10-2013-0039734 2013-04-11
KR1020130039734A KR20130048748A (ko) 2013-04-11 2013-04-11 액상 경화성 조성물
KR1020130043917A KR20130048754A (ko) 2013-04-22 2013-04-22 경화성 조성물
KR10-2013-0043917 2013-04-22

Publications (1)

Publication Number Publication Date
WO2014163403A1 true WO2014163403A1 (fr) 2014-10-09

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CN105271212A (zh) * 2015-11-30 2016-01-27 航天特种材料及工艺技术研究所 一种石墨烯气凝胶材料及其制备方法
CN105645872A (zh) * 2015-12-31 2016-06-08 卓达新材料科技集团有限公司 一种氧化钛和氧化铜气凝胶发泡水泥
CN108276615A (zh) * 2017-12-29 2018-07-13 华中科技大学 一种高导热层状石墨烯复合材料及制备方法
KR20200122072A (ko) * 2019-04-17 2020-10-27 박찬덕 친환경 천연광물을 이용한 콘크리트 철 구조물 바닥 및 벽체 마감용 수중 기능성 도료 조성물
CN113929962A (zh) * 2021-10-22 2022-01-14 航天特种材料及工艺技术研究所 一种气凝胶表面耐高温复合涂层及其制备方法
CN114773026A (zh) * 2022-01-18 2022-07-22 苏州皮米新材料科技有限公司 一种多层预氧丝毡与纳米气凝胶涂层组合隔热材料及其制备方法
CN115895308A (zh) * 2022-12-17 2023-04-04 沪宝新材料科技（上海）股份有限公司 一种气凝胶外墙保温涂料及其制备方法

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CN105271212A (zh) * 2015-11-30 2016-01-27 航天特种材料及工艺技术研究所 一种石墨烯气凝胶材料及其制备方法
CN105645872A (zh) * 2015-12-31 2016-06-08 卓达新材料科技集团有限公司 一种氧化钛和氧化铜气凝胶发泡水泥
CN108276615A (zh) * 2017-12-29 2018-07-13 华中科技大学 一种高导热层状石墨烯复合材料及制备方法
KR20200122072A (ko) * 2019-04-17 2020-10-27 박찬덕 친환경 천연광물을 이용한 콘크리트 철 구조물 바닥 및 벽체 마감용 수중 기능성 도료 조성물
KR102283373B1 (ko) 2019-04-17 2021-07-29 박찬덕 친환경 천연광물을 이용한 콘크리트 철 구조물 바닥 및 벽체 마감용 수중 기능성 도료 조성물
CN113929962A (zh) * 2021-10-22 2022-01-14 航天特种材料及工艺技术研究所 一种气凝胶表面耐高温复合涂层及其制备方法
CN113929962B (zh) * 2021-10-22 2023-02-17 航天特种材料及工艺技术研究所 一种气凝胶表面耐高温复合涂层及其制备方法
CN114773026A (zh) * 2022-01-18 2022-07-22 苏州皮米新材料科技有限公司 一种多层预氧丝毡与纳米气凝胶涂层组合隔热材料及其制备方法
CN115895308A (zh) * 2022-12-17 2023-04-04 沪宝新材料科技（上海）股份有限公司 一种气凝胶外墙保温涂料及其制备方法

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