KR20090077214A - Nonmetal construction outside nano formation - Google Patents

Nonmetal construction outside nano formation Download PDF

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KR20090077214A
KR20090077214A KR1020080003034A KR20080003034A KR20090077214A KR 20090077214 A KR20090077214 A KR 20090077214A KR 1020080003034 A KR1020080003034 A KR 1020080003034A KR 20080003034 A KR20080003034 A KR 20080003034A KR 20090077214 A KR20090077214 A KR 20090077214A
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composition
parts
weight
nanoparticles
coating
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KR100940346B1 (en
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권용안
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권용안
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A nanocomposite composition and a formation method of functional coat are provided to show high deposition and film persistence, to ensure water repellency, antifouling property, and natural cleaning effect by rainwater, and to prevent the production of an organic compound on the surface thereof. A nanocomposite composition for a nonmetal construction exterior film is homogenized by repetitively defoaming and stirring a silicon resin 80 parts by weight selecting a cross-linking agent of a network structure in an end activating group of a siloxane bond; lanthanum nanoparticles 20 parts by weight; and titanium dioxide nanoparticles 100.0 parts by weight over 3,000 RPM in 36 khz ultrasonic waves.

Description

비금속 건축 외장재 도막용 나노복합체 조성물 및 기능성 피막형성 방법{nonmetal construction outside nano formation}Nanocomposite composition for non-metallic building exterior coating and functional film formation method {nonmetal construction outside nano formation}

건축용 비금속외장재의 내구성과 미관을 보존하기위한 도막용 나노복합체 조성물 및 저온플라즈마를 이용한 기능성 피막의 형성.Formation of nanocomposite composition for coating film and functional film using low temperature plasma to preserve durability and aesthetics of building base metal exterior materials.

건축용 비금속외장재는 거의가 물질 특성상 금속원소는 포함하고 있으나 분자 구조상 비평형의 다분자 물질들과 침입 또는 치환형으로 무질서하게 혼합되어 분포하여 이루어지기 때문에 표면의 장력이 금속물질보다 약하고 기공이 크고 표면의 분자 결합력이 쉽게 해체되어 외부의 유기물 접촉에 의한 오염이나 오염요소의 내부 침투가 쉽게 이루어지는 단점이 있다. 이를 방지 하기위하여서 도료나 기능성 조성물로 표면을 도막하는 방법이 널리 사용되고 있으나 지속적인 증착력을 가지기 위하여서는 조성물의 입자는 비표면적이 기재보다 크고 그 증착 방법도 특수 하지 않으면 안되는 특수성을 지니고 있다. 본 발명의 배경기술은 조성물의 입자는 결합고리가 망상구조를 가지고 표면에 결합력이 지속적이며 물성도출이 큰 나노입자로서 구성되어 이루어지며, 전자가속에 의한 표면개질로 조성물을 증착하는 방법으로서 이루어지게 된다.Most non-metallic exterior materials for building materials contain metal elements due to their material characteristics, but because of their molecular structure, they are randomly mixed with non-equilibrium multi-molecular materials by intrusion or substitution. Molecular bonding force of the easily disassembled has the disadvantage that the contamination by the organic contact with the outside or the internal penetration of the pollutant element is easy. In order to prevent this, a method of coating a surface with a paint or a functional composition is widely used, but in order to have a continuous deposition force, the particles of the composition have a specific surface area larger than that of the substrate, and the deposition method has a special characteristic. Background of the Invention Background of the Invention The particles of the composition are composed of nanoparticles in which the binding ring has a network structure, the bonding force is maintained on the surface, and the physical properties are large, and as a method of depositing the composition by surface modification by electron acceleration. do.

종래의 건축외장재의 표면개질 또는 표면에 도막을 조성하는데 있어서 표면의 결합력이 약하거나 도막물의 증착력이 지속적이지 못하고 일시적인 단점이 있어왔으므로 이를 해결하기 위하여 표면 결합력과 기능이 우수한 조성물과 상기조성물의 증착과 입자 고착이 지속적인 피막 방법을 제공하고자 하는 것이다.In the surface modification of a conventional building exterior material or to form a coating film on the surface, there is a weak point of the bonding strength of the surface or the deposition power of the coating film has not been continuous and temporary disadvantages to solve this problem, the composition and the excellent composition of the composition and the excellent composition Deposition and particle settling are intended to provide a continuous coating method.

상기 과제의 해결을 위한 수단으로 본 발명은 실록산 결합의 말단 활성기에 망상구조의 가교제를 선택한 실리콘레진 80중량부, 란탄나노입자 20중량부,이산화타이타늄나노입자 100중량부를 36㎑초음파 하에서 3,000RPM이상으로 적정 횟수와 시간으로 탈포와 교반을 반복하여 균질화한 것을 특징으로 하는 비금속 건축 외장재 도막용 나노복합체 조성물과,As a means for solving the above problems, the present invention is 80 parts by weight of the silicone resin selected from the crosslinking agent of the network structure of the terminal active group of the siloxane bond, 20 parts by weight of lanthanum nanoparticles, 100 parts by weight of titanium dioxide nanoparticles over 3,000 RPM at 36 kHz And a nanocomposite composition for a non-metallic building exterior coating film, characterized in that the defoaming and stirring are repeated and homogenized at an appropriate number of times and time.

상기 조성물을 비금속 건축 외장재에 도막함에 있어서 외장재 표면의 이물질을 제거하고 저온프라즈마 발생기를 사용하여 가스이온포격에 의한 친수기를 외장재 표면에 생성한후 상기 조성물을 표면에 1차 도막한후, 같은 방법의 저온프라즈마 발생기를 사용하여 도막된 조성물의 표면에 친수기를 생성한 후, 20nm이하의 이산화타이타늄 입자조성이 10%이상인 액상이산화타이타늄을 미세 분사하여 2차 피막을 형성하는 것을 특징으로 하는 비금속 건축 외장재 도막용 나노복합체 조성물 및 기능성 피막형성 방법을 제공하는 것이다.In coating the composition on a non-metallic building exterior material, foreign substances on the exterior surface of the exterior material were removed, and a low temperature plasma generator was used to generate a hydrophilic group by gas ion bombardment on the surface of the exterior material. Non-metallic building exterior coating film, characterized by forming a hydrophilic group on the surface of the coated composition using a low-temperature plasma generator, and then finely spraying liquid titanium dioxide having a composition of 20% or less of titanium dioxide to 10%. The present invention provides a nanocomposite composition and a method for forming a functional film.

본 발명의 비금속 건축 외장재 도막용 나노복합체 조성물 및 기능성 피막형성 방법에 의하면 도막물과 피막물이 기재의 표면에 높은 증착력과 도막지속성을 가지며 내복된 나노복합체의 물성은 발수성과 방오성을 가지며 외복된 피막표면은 친수성과 수산기라디칼을 생성하여 표면에 유기물의 생성을 차단하며 빗물에 의한 자연세정 효과로 건축재의 미관을 장기적으로 보존하는 효과가 있다.According to the nanocomposite composition and functional film forming method for non-metallic building exterior coating of the present invention, the coating material and the coating material have high deposition force and film persistence on the surface of the substrate, and the physical properties of the embedded nanocomposite have water repellency and antifouling properties. The film surface produces hydrophilicity and hydroxyl radicals to block the formation of organic matter on the surface, and has the effect of preserving the beauty of building materials in the long term by the natural cleaning effect by rainwater.

본 발명의 실시를 위하여 실록산 결합의 말단 활성기에 망상구조의 가교제를 선택한 실리콘레진 80중량부, 란탄나노입자 20중량부,이산화타이타늄나노입자 100중량부를 36㎑초음파 하에서 3,000RPM이상으로 적정 횟수와 시간으로 탈포와 교반을 반복하여 물리적으로 균질화함은 일반적인 화학방법에 의하여 나노입자를 혼합하고 균질화하게 되면 결과적 입자의 물성이 변질되기 쉬으므로 균질기로 상기 혼합 비율로 하여 물리적인 균질화를 기하는 것이다. 초음파상에서 회전운동을 가하는 것은 각 입자의 질량에 의한 분리 응집을 피하고 실리콘레진의 탈포를 효과적으로 시행하기 위하여서 이기 때문이다. 조성물의 란탄나노입자와 이산화티탄나노입자는 실리콘레진과 결합하여 도막물을 형성하게되면 표면에 반도체 성질을 띠며 발수성을 가지게 된다.For the practice of the present invention, 80 parts by weight of a silicone resin selected from a network-based crosslinking group in the terminal active group of the siloxane bond, 20 parts by weight of lanthanum nanoparticles, and 100 parts by weight of titanium dioxide particles are titrated at 3,000 RPM or more under 36 kHz ultrasonic waves. Physically homogenizing by repeating the defoaming and stirring as described above is to mix and homogenize the nanoparticles by a general chemical method, so that the physical properties of the resulting particles are easily deteriorated. The reason why the rotational motion is applied on the ultrasonic wave is to avoid the separate aggregation by the mass of each particle and to effectively perform the defoaming of the silicone resin. When the lanthanum nanoparticles and the titanium dioxide nanoparticles of the composition are combined with the silicone resin to form a coating material, they have semiconductor properties on the surface and have water repellency.

상기 조성물을 비금속 건축 외장재에 도막함에 있어서 도1의 (1)과 같은 외장재 표면의 이물질을 제거하고 저온프라즈마 발생기를 사용하여 가스이온포격에 의한 친수기를 외장재 표면(4)에 생성한후 상기조성물을 (2)와 같이 표면에 1차 도막한후, 같은 방법의 저온프라즈마 발생기를 사용하여 도막된 조성물의 표면(4)에 친수기를 생성한 후, 20nm이하의 이산화타이타늄 입자조성이 10%이상인 액상 이산화타이타늄을 미세 분사하여 2차 피막(3)을 형성하는 것을 특징으로 하는 비금속 건축 외장재 도막용 나노복합체 조성물 및 기능성 피막형성 방법을 제공하는 것이다.In coating the composition on a non-metallic building exterior material, foreign substances on the surface of the exterior material such as (1) of FIG. 1 are removed and a low temperature plasma generator is used to generate a hydrophilic group by gas ion bombardment on the exterior surface 4 of the composition. After the primary coating film on the surface as shown in (2), using a low-temperature plasma generator of the same method to form a hydrophilic group on the surface (4) of the coated composition, liquid dioxide with a titanium dioxide particle composition of 20nm or less 10% or more It is to provide a nanocomposite composition and a functional film forming method for non-metallic building exterior coating film, characterized in that to form a secondary coating (3) by fine spraying titanium.

도1.은 비금속 건축 외장재 도막용 나노복합체 조성물 및 기능성 피막형성 구조도.1 is a nanocomposite composition and functional film-forming structure diagram for non-metallic building exterior coating film.

Claims (2)

실록산 결합의 말단 활성기에 망상구조의 가교제를 선택한 실리콘레진 80중량부, 란탄나노입자 20중량부,이산화타이타늄나노입자 100중량부를 36㎑초음파 하에서 3,000RPM이상으로 적정 횟수와 시간으로 탈포와 교반을 반복하여 균질화한 것을 특징으로 하는 비금속 건축 외장재 도막용 나노복합체 조성물.80 parts by weight of a silicone resin having a network cross-linking agent selected from the terminal active group of the siloxane bond, 20 parts by weight of lanthanum nanoparticles, and 100 parts by weight of titanium nanoparticles were degassed and stirred at an appropriate number of times and time at 3,000 RPM over 36 kHz ultrasonic waves. Nanocomposite composition for non-metallic building exterior coating film, characterized in that the homogeneous. 상기 청구항 1에의한 조성물을 비금속 건축 외장재에 도막함에 있어서 외장재 표면의 이물질을 제거하고 저온프라즈마 발생기를 사용하여 가스이온포격에 의한 친수기를 외장재 표면에 생성한후 상기조성물을 표면에 1차 도막한후, 같은 방법의 저온프라즈마 발생기를 사용하여 도막된 조성물의 표면에 친수기를 생성한 후, 20nm이하의 이산화타이타늄 입자조성이 10%이상인 액상 이산화타이타늄을 미세 분사하여 2차 피막을 형성하는 것을 특징으로 하는 비금속 건축 외장재 도막용 나노복합체 조성물 및 기능성 피막형성 방법.In coating the composition according to claim 1 to a non-metallic building exterior material, foreign substances on the surface of the exterior material are removed, and a low temperature plasma generator is used to generate a hydrophilic group by gas ion bombardment on the surface of the exterior material, and then the composition is first coated on the surface. After forming a hydrophilic group on the surface of the coated composition using a low-temperature plasma generator of the same method, the secondary film is formed by micro-spraying liquid titanium dioxide having a composition of 20% or less of titanium dioxide particles of 10% or more. Nanocomposite composition for non-metallic building exterior coating and functional film formation method.
KR1020080003034A 2008-01-10 2008-01-10 Nonmetal construction outside nano formation KR100940346B1 (en)

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JP4482951B2 (en) 1999-03-05 2010-06-16 日立化成工業株式会社 Resin composition and film-forming material containing the same
US6652975B2 (en) 2001-03-02 2003-11-25 Lucent Technologies Inc. Adherent silicones
JP2004050138A (en) 2002-07-24 2004-02-19 Taki Chem Co Ltd Application method of coating composition
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