WO2016056717A1 - Flame retardant coating agent composition for expanded polystyrene - Google Patents

Flame retardant coating agent composition for expanded polystyrene Download PDF

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WO2016056717A1
WO2016056717A1 PCT/KR2015/003085 KR2015003085W WO2016056717A1 WO 2016056717 A1 WO2016056717 A1 WO 2016056717A1 KR 2015003085 W KR2015003085 W KR 2015003085W WO 2016056717 A1 WO2016056717 A1 WO 2016056717A1
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weight
parts
retardant coating
expanded polystyrene
flame retardant
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PCT/KR2015/003085
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French (fr)
Korean (ko)
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엄봉섭
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엄봉섭
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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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/224—Surface treatment
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant

Definitions

  • the present invention relates to a flame-retardant coating composition for expanded polystyrene, and more particularly, made of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives containing magnesium hydroxide, loess, iron oxide, etc., to improve flame retardancy when coated on expanded polystyrene
  • the present invention relates to a flame retardant coating composition for expanded polystyrene suitable for use as a heat insulating material in terms of physical properties such as heat insulation and compressive strength.
  • expanded polystyrene In general, expanded polystyrene (EPS: Expanded Poly-Styrene), called styrofoam, is composed of polystyrene and a foaming agent prepared by polymerizing styrene monomer, and expanded polystyrene made of the above materials has excellent thermal insulation, workability, and economic efficiency, so as to insulate buildings. It is widely used as interior and exterior materials of buildings, including insulation materials for building.
  • EPS Expanded Poly-Styrene
  • the expanded polystyrene having the above characteristics is prefoamed with polystyrene resin particles to obtain prefoamed particles, which are filled in a closed mold having a plurality of small pores, and then foamed by heating with pressurized water vapor to form voids between the expanded particles.
  • Infill is prepared by fusing the foam particles together, cooling them and releasing them from the mold at the same time.
  • styrofoam is mainly used for insulation of buildings, it is required to have characteristics such as insulation, low thermal conductivity, low absorption rate, and high strength. Above all, it satisfies the flame retardant performance standards (flame retardant: flame retardant class 2) of interior finishing materials. Excellent flame retardancy is required.
  • 10-0602205 It describes a method for producing non-combustible flame-retardant polystyrene foam resin particles containing expanded graphite, the prior art is a flame-retardant coating solution in which a large amount of expanded graphite, thermosetting resin and a curing catalyst is administered to the pre-polystyrene foam resin particles to impart flame retardancy After mixing, the mixture is dried to form a flame-retardant coating layer on the surface of the polystyrene foam resin.
  • thermosetting resin since the flame retardant must be distributed over the entire coating layer, the prior art should be mixed with a large amount of thermosetting resin, but the thermosetting resin is administered in order to prevent agglomeration of the polystyrene foam resin particles during mixing with the flame retardant coating solution. There is a limit to the amount, there was a problem that the flame-retardant coating layer does not secure sufficient strength.
  • the flame-retardant performance of the expanded graphite particles falls off from the flame-retardant coating layer, and the particles of expanded graphite that fall off are molded products.
  • the quality of the product to stick to the deterioration, and the efficiency of the molding operation is a problem in that the quality of the product to stick to the deterioration, and the efficiency of the molding operation.
  • An object of the present invention is composed of purified water, expanded graphite, aluminum hydroxide, water-soluble binder and additives containing magnesium hydroxide, ocher and iron oxide, etc., not only efficiently coated on expanded polystyrene, but also in terms of physical properties such as thermal insulation and compressive strength. It is to provide a flame retardant coating composition for expanded polystyrene suitable for use as a heat insulating material.
  • Another object of the present invention is to provide a flame retardant coating composition for expanded polystyrene which does not cause a decrease in flame retardancy of expanded polystyrene because a water-soluble binder is contained and expanded graphite does not peel off from the coating layer.
  • An object of the present invention is achieved by providing a flame retardant coating composition for expanded polystyrene, characterized by consisting of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and an additive.
  • the flame retardant coating composition for expanded polystyrene is 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, 75 to 100 parts by weight of water-soluble binder and 25 to 75 parts by weight of additives It shall consist of wealth.
  • the expanded graphite is 20 to 400 times the expansion rate, it is to have a particle size of 50 to 1000 micrometers.
  • the water-soluble binder is to be composed of vinyl acetate, polyvinyl alcohol, emulsifier and purified water.
  • the water-soluble binder is to be composed of 100 parts by weight of vinyl acetate, 1 to 10 parts by weight of polyvinyl alcohol, 1 to 10 parts by weight of emulsifier and 20 to 30 parts by weight of purified water.
  • the additive is to be made of one or more selected from the group consisting of magnesium hydroxide, loess and iron oxide.
  • the additive is made of 100 parts by weight of magnesium hydroxide, 50 to 100 parts by weight of ocher and 50 to 100 parts by weight of iron oxide.
  • the flame retardant coating composition for expanded polystyrene according to the present invention consists of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives, and is not only efficiently coated on the expanded polystyrene, but also a flame retardant coating agent for expanded polystyrene which improves flame retardancy, heat insulation and compressive strength. It is to provide a composition.
  • Another object of the present invention is to provide a flame retardant coating composition for expanded polystyrene which does not cause a decrease in flame retardancy of expanded polystyrene because a water-soluble binder is contained and expanded graphite does not peel off from the coating layer.
  • Flame retardant coating composition for expanded polystyrene according to the present invention is composed of purified water, expanded graphite, aluminum hydroxide, water-soluble binders and additives, 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, water-soluble binder It is preferably composed of 75 to 100 parts by weight and 25 to 75 parts by weight of the additive.
  • the expanded graphite contains 50 to 100 parts by weight, and serves to impart flame retardancy and heat insulation to the flame retardant coating composition for expanded polystyrene according to the present invention, if the content of the expanded graphite is less than 50 parts by weight, the effect of improving flame retardancy and heat insulation When the content of the expanded graphite exceeds 100 parts by weight, the content of aluminum hydroxide, water-soluble binder, and additives is relatively decreased, so that the mechanical strength of the polystyrene to which the flame-retardant coating composition is applied is reduced, and the expanded graphite is separated from the coating layer. May cause a decrease in flame retardancy.
  • the expanded graphite is 20 to 400 times the expansion rate, it is preferable to have a particle size of 50 to 1000 micrometers, if the expansion rate of the expanded graphite is less than 20 times, the thermal insulation performance is lowered, the expansion rate of the expanded graphite When it exceeds 400 times, mechanical properties such as compressive strength are excessively lowered.
  • the particle size of the expanded graphite is less than 50 micrometers, the particle size is too small, easily scattered in the mixing process to reduce workability, and when the particle size of the expanded graphite exceeds 1000 micrometers, the purified water, aluminum hydroxide The miscibility with the water-soluble binder and the additive is lowered, so that a coating composition of uniform physical properties cannot be provided.
  • the aluminum hydroxide is contained 50 to 100 parts by weight, and serves to impart flame retardancy to the flame retardant coating composition for expanded polystyrene according to the present invention.
  • the aluminum hydroxide exhibits excellent flame retardancy and exhibits a property of not generating toxic substances.
  • the content of aluminum hydroxide is less than 50 parts by weight, the effect of imparting flame retardancy is lowered, and the content of aluminum hydroxide is greater than 100 parts by weight.
  • the content of the aluminum hydroxide, water-soluble binder and additives is relatively reduced, the mechanical strength of the polystyrene to which the flame-retardant coating composition is applied is reduced, and the expanded graphite is separated from the coating layer and may cause the flame-retardant property to be reduced.
  • the aluminum hydroxide preferably has a particle size of 5 to 10 micrometers, if the particle size of the aluminum hydroxide is less than 5 micrometers is easily scattered during the mixing process to contaminate the workplace and the efficiency of the manufacturing process is reduced, When the content of the aluminum hydroxide exceeds 10 micrometers because the particle size is too large to be evenly mixed with the purified water, expanded graphite, water-soluble binder and additives can provide a flame-retardant coating composition for expanded polystyrene showing uniform physical properties. none.
  • the water-soluble binder contains 75 to 100 parts by weight, and serves to bind the expanded graphite, aluminum hydroxide, and additives.
  • the content of the water-soluble binder is less than 75 parts by weight, the content of the water-soluble binder is too low to increase the expanded graphite and hydroxide.
  • the aluminum and additive components are not bound, but when the flame-retardant coating composition is applied to the surface of the expanded polystyrene, a uniform coating film is not formed, and when the content of the water-soluble binder exceeds 100 parts by weight, agglomeration occurs to form a uniform coating film.
  • the content of the expanded graphite, aluminum hydroxide, and additives is relatively low, and mechanical properties such as flame retardancy, heat insulation, and compressive strength are lowered.
  • the water-soluble binder is preferably composed of 100 parts by weight of vinyl acetate, 1 to 10 parts by weight of polyvinyl alcohol, 1 to 10 parts by weight of emulsifier and 20 to 30 parts by weight of purified water.
  • the additive contains 25 to 75 parts by weight, and serves to improve the flame retardancy and mechanical properties of the flame retardant coating composition for expanded polystyrene according to the present invention, when the content of the additive is less than 25 parts by weight, the above effects are insignificant, When the content of the additive exceeds 75 parts by weight, the content of the expanded graphite, aluminum hydroxide, and the water-soluble binder is relatively decreased, thereby reducing the effects of flame retardancy, heat insulation, and uniform coating film formation.
  • the additive is made of one or more selected from the group consisting of magnesium hydroxide, ocher and iron oxide, it is preferably made of 100 parts by weight of magnesium hydroxide, 50 to 100 parts by weight of ocher and 50 to 100 parts by weight of iron oxide.
  • the ocher and the iron oxide are preferably included in the additive in the same amount.
  • the magnesium hydroxide plays a role similar to that of the aluminum hydroxide, and the ocher serves to improve the compressive strength of the expanded polystyrene to which the flame-retardant coating composition for expanded polystyrene according to the present invention is applied.
  • loess in addition to the loess, equatorial, black clay, white clay and clay may be used, considering the cost and efficiency, it is most preferred to use the loess.
  • Flame retardant coating composition for expanded polystyrene comprising 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, 75 to 100 parts by weight of water-soluble binder and 25 to 75 parts by weight of additives. After stirring for 20 to 40 minutes at a speed of 150 to 250rpm into a stirring apparatus, it is prepared by leaving for 40 to 60 minutes.
  • the flame-retardant coating composition for expanded polystyrene prepared by the above process is coated on the surface of the polystyrene foam resin particles, the polystyrene foam resin particles coated with the flame-retardant coating composition is filled in the molding machine and heated to fill the voids between the foam particles. At the same time, the foamed particles are fused to each other and then cooled to prepare a styrofoam panel.
  • Example 2 20 parts by weight of the flame retardant coating composition for expanded polystyrene prepared in Example 1 was sprayed onto the surface of 100 parts by weight of the polystyrene foam resin particles having a foaming ratio of 100 times to form a coating layer, and the polystyrene foam resin particles having the coating layer formed therein were filled in the molding machine.
  • Styrofoam panels were prepared by heating the voids between the foamed particles and simultaneously fusion of the foamed particles, followed by cooling.
  • Example 2 Proceed in the same manner as in Example 1, using a polystyrene foam resin particles having a foaming ratio of 80 times to prepare a styrofoam panel.
  • the flame-retardant coating composition for expanded polystyrene according to the present invention is composed of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives, not only efficiently coated on the expanded polystyrene, but also because the expanded graphite does not peel off from the coating layer.
  • the flame-retardant coating composition for expanded polystyrene according to the present invention is composed of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives, not only efficiently coated on the expanded polystyrene, but also because the expanded graphite does not peel off from the coating layer.
  • physical properties such as improved flame retardancy, thermal insulation and compressive strength, it shows an effect suitable for use as a heat insulating material.

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  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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Abstract

The present invention relates to a flame retardant coating agent composition for expanded polystyrene and, more specifically, comprises an additive containing purified water, expanded graphite, aluminum hydroxide, a water-soluble binder, magnesium hydroxide, yellow soil and the like. A flame retardant coating agent composition for expanded polystyrene, composed of the components, is effectively coated on expanded polystyrene and exhibits a flame retardancy improvement effect and an effect of providing expanded polystyrene suitable as a heat insulator with respect to an aspect of physical properties such as heat insulation and compressive strength.

Description

발포 폴리스티렌용 난연성 코팅제 조성물Flame retardant coating composition for expanded polystyrene
본 발명은 발포 폴리스티렌용 난연성 코팅제 조성물에 관한 것으로, 더욱 상세하게는 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 수산화마그네슘, 황토 및 산화철등이 함유된 첨가제로 이루어져, 발포 폴리스티렌에 코팅되면 난연성을 개선할 뿐만 아니라, 단열성 및 압축강도 등과 같은 물성적인 측면에서도 단열재로 사용하기에 적합한 발포 폴리스티렌용 난연성 코팅제 조성물에 관한 것이다.The present invention relates to a flame-retardant coating composition for expanded polystyrene, and more particularly, made of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives containing magnesium hydroxide, loess, iron oxide, etc., to improve flame retardancy when coated on expanded polystyrene In addition, the present invention relates to a flame retardant coating composition for expanded polystyrene suitable for use as a heat insulating material in terms of physical properties such as heat insulation and compressive strength.
일반적으로 스티로폼으로 불리우는 발포 폴리스티렌(EPS : Expanded Poly-Styrene)은 스티렌 단량체를 중합하여 제조된 폴리스티렌과 발포제가 주원료인데, 상기의 재료로 이루어진 발포 폴리스티렌은 단열성, 시공성 및 경제성 등이 우수하여 건물의 단열을 위한 단열재를 비롯하여 건축물의 내외장재로 널리 이용되고 있다.In general, expanded polystyrene (EPS: Expanded Poly-Styrene), called styrofoam, is composed of polystyrene and a foaming agent prepared by polymerizing styrene monomer, and expanded polystyrene made of the above materials has excellent thermal insulation, workability, and economic efficiency, so as to insulate buildings. It is widely used as interior and exterior materials of buildings, including insulation materials for building.
상기의 특성을 나타내는 발포 폴리스티렌은 통상적으로 폴리스티렌 수지입자를 예비 발포하여 예비 발포입자를 얻고, 이를 다수의 작은 구멍을 갖는 폐쇄 금형 속에 충진시킨 후, 가압 수증기 등으로 가열 발포시켜 발포입자 사이의 공극을 메우는 동시에 발포입자를 서로 융착시킨 후 이를 냉각하고 금형으로부터 이형시키는 과정을 통해 제조된다.In general, the expanded polystyrene having the above characteristics is prefoamed with polystyrene resin particles to obtain prefoamed particles, which are filled in a closed mold having a plurality of small pores, and then foamed by heating with pressurized water vapor to form voids between the expanded particles. Infill is prepared by fusing the foam particles together, cooling them and releasing them from the mold at the same time.
특히, 스티로폼은 주로 건축물의 단열재 등에 사용되기 때문에 단열성을 비롯하여 낮은 열전도율, 낮은 흡수율 및 높은 강도 등의 특성이 요구되는데, 무엇보다 건축물 내부 마감재료의 난연성능기준(난연재료: 난연 2급)을 만족시킬 정도의 우수한 난연성이 요구된다.In particular, since styrofoam is mainly used for insulation of buildings, it is required to have characteristics such as insulation, low thermal conductivity, low absorption rate, and high strength. Above all, it satisfies the flame retardant performance standards (flame retardant: flame retardant class 2) of interior finishing materials. Excellent flame retardancy is required.
상기의 요구에 부합하기 위해 종래에는 스티로폼에 난연성을 제공하기 위하여 스티로폼 입자나 스티로폼 자체에 각종 난연제를 첨가하여 난연성을 향상시키고자 하는 기술들이 개발되어 왔는데, 그 일예로 한국특허등록 제10-0602205호에는 팽창흑연을 함유한 불연성 난연 폴리스티렌 발포체 수지입자의 제조방법이 기재되어 있는데, 상기의 선행기술은 난연성의 부여를 위해 예비 폴리스티렌 발포체 수지입자에 팽창흑연, 열경화성수지 및 경화촉매들이 다량 투여된 난연 코팅액을 혼합한 후에 건조하여 폴리스티렌 발포체 수지의 표면에 난연 코팅층이 형성되도록 하고 있다.In order to meet the above requirements, in order to provide flame retardancy to styrofoam, technologies for improving flame retardancy by adding various flame retardants to styrofoam particles or styrofoam itself have been developed. For example, Korean Patent Registration No. 10-0602205 It describes a method for producing non-combustible flame-retardant polystyrene foam resin particles containing expanded graphite, the prior art is a flame-retardant coating solution in which a large amount of expanded graphite, thermosetting resin and a curing catalyst is administered to the pre-polystyrene foam resin particles to impart flame retardancy After mixing, the mixture is dried to form a flame-retardant coating layer on the surface of the polystyrene foam resin.
그러나, 상기의 선행기술은 코팅층 전구간에 대해 난연제가 분포해야 하기 때문에, 열경화성수지를 다량으로 혼합해야 하나, 난연 코팅액과의 혼합과정에서 폴리스티렌 발포체 수지입자가 서로 뭉치는 것을 방지하기 위해 열경화성수지의 투여량에 제한이 있어, 난연 코팅층이 충분한 강도를 확보하지 못하는 문제점이 있었다.However, since the flame retardant must be distributed over the entire coating layer, the prior art should be mixed with a large amount of thermosetting resin, but the thermosetting resin is administered in order to prevent agglomeration of the polystyrene foam resin particles during mixing with the flame retardant coating solution. There is a limit to the amount, there was a problem that the flame-retardant coating layer does not secure sufficient strength.
또한, 상기의 선행기술의 경우 난연제들이 난연 코팅층의 표면에 직접 노출되게 되기 때문에 시간이 경과함에 따라 팽창흑연의 입자들이 난연 코팅층으로부터 떨어져 나오면서 난연성능이 크게 저하된다.In addition, in the case of the prior art, since the flame retardants are directly exposed to the surface of the flame retardant coating layer, as the time passes, the particles of expanded graphite are separated from the flame retardant coating layer, thereby greatly reducing the flame retardant performance.
또한, 일정한 형상의 제품으로 성형하기 위하여 난연 코팅층이 형성된 폴리스티렌 발포체 수지입자들을 성형기에 투입할 때, 난연 코팅층으로부터 팽창흑연의 입자들이 떨어져 나오면서 난연성능이 저하되고, 떨어져 나온 팽창흑연의 입자들이 성형제품에 달라붙어 품질을 제품의 품질을 저하시키고, 성형작업의 효율성을 저하시키는 문제점이 있었다.In addition, when the polystyrene foam resin particles having a flame-retardant coating layer are formed in a molding machine in order to mold into a product having a predetermined shape, the flame-retardant performance of the expanded graphite particles falls off from the flame-retardant coating layer, and the particles of expanded graphite that fall off are molded products. There is a problem in that the quality of the product to stick to the deterioration, and the efficiency of the molding operation.
본 발명의 목적은 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 수산화마그네슘, 황토 및 산화철 등이 함유된 첨가제로 이루어져, 발포 폴리스티렌에 효율적으로 코팅될 뿐만 아니라, 단열성 및 압축강도 등과 같은 물성적인 측면에서도 단열재로 사용하기에 적합한 발포 폴리스티렌용 난연성 코팅제 조성물을 제공하는 것이다.An object of the present invention is composed of purified water, expanded graphite, aluminum hydroxide, water-soluble binder and additives containing magnesium hydroxide, ocher and iron oxide, etc., not only efficiently coated on expanded polystyrene, but also in terms of physical properties such as thermal insulation and compressive strength. It is to provide a flame retardant coating composition for expanded polystyrene suitable for use as a heat insulating material.
본 발명의 다른 목적은 수용성 바인더가 함유되어 팽창흑연이 코팅층에서 박리되지 않기 때문에 발포 폴리스티렌의 난연성 저하를 유발하지 않는 발포 폴리스티렌용 난연성 코팅제 조성물을 제공하는 것이다.Another object of the present invention is to provide a flame retardant coating composition for expanded polystyrene which does not cause a decrease in flame retardancy of expanded polystyrene because a water-soluble binder is contained and expanded graphite does not peel off from the coating layer.
본 발명의 목적은 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 첨가제로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물을 제공함에 의해 달성된다.An object of the present invention is achieved by providing a flame retardant coating composition for expanded polystyrene, characterized by consisting of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and an additive.
본 발명의 바람직한 특징에 따르면, 상기 발포 폴리스티렌용 난연성 코팅제 조성물은 정제수 100 중량부, 팽창흑연 50 내지 100 중량부, 수산화알루미늄 50 내지 100 중량부, 수용성 바인더 75 내지 100 중량부 및 첨가제 25 내지 75 중량부로 이루어지는 것으로 한다.According to a preferred feature of the invention, the flame retardant coating composition for expanded polystyrene is 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, 75 to 100 parts by weight of water-soluble binder and 25 to 75 parts by weight of additives It shall consist of wealth.
본 발명의 더 바람직한 특징에 따르면, 상기 팽창흑연은 팽창율이 20 내지 400배이며, 50 내지 1000 마이크로미터의 입자크기를 갖는 것으로 한다.According to a more preferred feature of the invention, the expanded graphite is 20 to 400 times the expansion rate, it is to have a particle size of 50 to 1000 micrometers.
본 발명의 더욱 바람직한 특징에 따르면, 상기 수용성 바인더는 비닐아세테이트, 폴리비닐알코올, 유화제 및 정제수로 이루어지는 것으로 한다.According to a more preferred feature of the invention, the water-soluble binder is to be composed of vinyl acetate, polyvinyl alcohol, emulsifier and purified water.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 수용성 바인더는 비닐아세테이트 100 중량부, 폴리비닐알코올 1 내지 10 중량부, 유화제 1 내지 10 중량부 및 정제수 20 내지 30 중량부로 이루어지는 것으로 한다.According to a further preferred feature of the invention, the water-soluble binder is to be composed of 100 parts by weight of vinyl acetate, 1 to 10 parts by weight of polyvinyl alcohol, 1 to 10 parts by weight of emulsifier and 20 to 30 parts by weight of purified water.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 첨가제는 수산화마그네슘, 황토 및 산화철로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것으로 한다.According to a further preferred feature of the invention, the additive is to be made of one or more selected from the group consisting of magnesium hydroxide, loess and iron oxide.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 첨가제는 수산화마그네슘 100 중량부, 황토 50 내지 100 중량부 및 산화철 50 내지 100 중량부로 이루어지는 것으로 한다.According to a still further preferred feature of the present invention, the additive is made of 100 parts by weight of magnesium hydroxide, 50 to 100 parts by weight of ocher and 50 to 100 parts by weight of iron oxide.
본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물은 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 첨가제로 이루어져, 발포 폴리스티렌에 효율적으로 코팅될 뿐만 아니라, 난연성, 단열성 및 압축강도를 개선하는 발포 폴리스티렌용 난연성 코팅제 조성물을 제공하는 것이다.The flame retardant coating composition for expanded polystyrene according to the present invention consists of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives, and is not only efficiently coated on the expanded polystyrene, but also a flame retardant coating agent for expanded polystyrene which improves flame retardancy, heat insulation and compressive strength. It is to provide a composition.
본 발명의 다른 목적은 수용성 바인더가 함유되어 팽창흑연이 코팅층에서 박리되지 않기 때문에 발포 폴리스티렌의 난연성 저하를 유발하지 않는 발포 폴리스티렌용 난연성 코팅제 조성물을 제공하는 것이다.Another object of the present invention is to provide a flame retardant coating composition for expanded polystyrene which does not cause a decrease in flame retardancy of expanded polystyrene because a water-soluble binder is contained and expanded graphite does not peel off from the coating layer.
본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물은 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 첨가제로 이루어지며, 정제수 100 중량부, 팽창흑연 50 내지 100 중량부, 수산화알루미늄 50 내지 100 중량부, 수용성 바인더 75 내지 100 중량부 및 첨가제 25 내지 75 중량부로 이루어지는 것이 바람직하다.Flame retardant coating composition for expanded polystyrene according to the present invention is composed of purified water, expanded graphite, aluminum hydroxide, water-soluble binders and additives, 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, water-soluble binder It is preferably composed of 75 to 100 parts by weight and 25 to 75 parts by weight of the additive.
상기 팽창흑연은 50 내지 100 중량부가 함유되며, 본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물에 난연성과 단열성을 부여하는 역할을 하는데, 상기 팽창흑연의 함량이 50 중량부 미만이면 난연성 및 단열성의 향상효과가 미미하며, 상기 팽창흑연의 함량이 100 중량부를 초과하게 되면 상대적으로 수산화알미늄, 수용성 바인더 및 첨가제의 함량이 줄어들어 난연성 코팅제 조성물이 도포된 폴리스티렌의 기계적 강도가 저하되고, 팽창흑연이 코팅층에서 떨어져나와 난연성의 저하를 유발할 수 있다.The expanded graphite contains 50 to 100 parts by weight, and serves to impart flame retardancy and heat insulation to the flame retardant coating composition for expanded polystyrene according to the present invention, if the content of the expanded graphite is less than 50 parts by weight, the effect of improving flame retardancy and heat insulation When the content of the expanded graphite exceeds 100 parts by weight, the content of aluminum hydroxide, water-soluble binder, and additives is relatively decreased, so that the mechanical strength of the polystyrene to which the flame-retardant coating composition is applied is reduced, and the expanded graphite is separated from the coating layer. May cause a decrease in flame retardancy.
이때, 상기 팽창흑연은 팽창율이 20 내지 400배이며, 50 내지 1000 마이크로미터의 입자크기를 갖는 것이 바람직한데, 상기 팽창흑연의 팽창율이 20배 미만이면, 단열성능이 저하되며, 팽창흑연의 팽창율이 400배를 초과하게 되면 압축강도와 같은 기계적 물성이 지나치게 저하된다.In this case, the expanded graphite is 20 to 400 times the expansion rate, it is preferable to have a particle size of 50 to 1000 micrometers, if the expansion rate of the expanded graphite is less than 20 times, the thermal insulation performance is lowered, the expansion rate of the expanded graphite When it exceeds 400 times, mechanical properties such as compressive strength are excessively lowered.
또한, 상기 팽창흑연의 입자크기가 50 마이크로미터 미만이면 입자크기가 지나치게 작아 혼합공정에서 쉽게 비산되서 작업성을 저하시키며, 상기 팽창흑연의 입자크기가 1000 마이크로미터를 초과하게 되면 상기 정제수, 수산화알미늄, 수용성 바인더 및 첨가제와의 혼합성이 저하되어 균일한 물성의 코팅제 조성물을 제공할 수 없다.In addition, when the particle size of the expanded graphite is less than 50 micrometers, the particle size is too small, easily scattered in the mixing process to reduce workability, and when the particle size of the expanded graphite exceeds 1000 micrometers, the purified water, aluminum hydroxide The miscibility with the water-soluble binder and the additive is lowered, so that a coating composition of uniform physical properties cannot be provided.
상기 수산화알루미늄은 50 내지 100 중량부가 함유되며, 본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물에 난연성을 부여하는 역할을 한다.The aluminum hydroxide is contained 50 to 100 parts by weight, and serves to impart flame retardancy to the flame retardant coating composition for expanded polystyrene according to the present invention.
상기 수산화알루미늄은 우수한 난연성을 나타내며, 유독물질을 발생시키지 않는 특성을 나타내는데, 상기 수산화알루미늄의 함량이 50 중량부 미만이면 상기와 같은 난연성 부여효과가 저하되며, 상기 수산화알루미늄의 함량이 100 중량부를 초과하게 되면 상대적으로 수산화알미늄, 수용성 바인더 및 첨가제의 함량이 줄어들어 난연성 코팅제 조성물이 도포된 폴리스티렌의 기계적 강도가 저하되고, 팽창흑연이 코팅층에서 떨어져나와 난연성의 저하를 유발할 수 있다.The aluminum hydroxide exhibits excellent flame retardancy and exhibits a property of not generating toxic substances. When the content of aluminum hydroxide is less than 50 parts by weight, the effect of imparting flame retardancy is lowered, and the content of aluminum hydroxide is greater than 100 parts by weight. When the content of the aluminum hydroxide, water-soluble binder and additives is relatively reduced, the mechanical strength of the polystyrene to which the flame-retardant coating composition is applied is reduced, and the expanded graphite is separated from the coating layer and may cause the flame-retardant property to be reduced.
이때, 상기 수산화알루미늄은 5 내지 10 마이크로미터의 입자크기를 갖는 것이 바람직한데, 상기 수산화알루미늄의 입자크기가 5 마이크로미터 미만이면 혼합과정에서 쉽게 비산되어 작업장을 오염시키며 제조공정의 효율성이 저하되고, 상기 수산화알루미늄의 함량이 10 마이크로미터를 초과하게 되면 입자크기가 지나치게 커서 상기 정제수, 팽창흑연, 수용성 바인더 및 첨가제와 고르게 혼합되지 못하기 때문에 균일한 물성을 나타내는 발포 폴리스티렌용 난연성 코팅제 조성물을 제공할 수 없다.In this case, the aluminum hydroxide preferably has a particle size of 5 to 10 micrometers, if the particle size of the aluminum hydroxide is less than 5 micrometers is easily scattered during the mixing process to contaminate the workplace and the efficiency of the manufacturing process is reduced, When the content of the aluminum hydroxide exceeds 10 micrometers because the particle size is too large to be evenly mixed with the purified water, expanded graphite, water-soluble binder and additives can provide a flame-retardant coating composition for expanded polystyrene showing uniform physical properties. none.
상기 수용성 바인더는 75 내지 100 중량부가 함유되며, 상기 팽창흑연, 수산화알미늄 및 첨가제를 결속시키는 역할을 하는데, 상기 수용성 바인더의 함량이 75 중량부 미만이면 수용성 바인더의 함량이 지나치게 낮아 상기 팽창흑연, 수산화알미늄 및 첨가제 성분이 결속되지 못할 뿐만 아니라, 발포 폴리스티렌 표면에 난연성 코팅제 조성물을 도포하게 되면 균일한 도막이 형성되지 않고, 상기 수용성 바인더의 함량이 100 중량부를 초과하게 되면 뭉침현상이 발생하여 균일한 도막의 형성이 어려울 뿐만 아니라, 상대적으로 상기 팽창흑연, 수산화알미늄 및 첨가제의 함량이 낮아져 난연성, 단열성 및 압축강도와 같은 기계적 물성이 저하된다.The water-soluble binder contains 75 to 100 parts by weight, and serves to bind the expanded graphite, aluminum hydroxide, and additives. When the content of the water-soluble binder is less than 75 parts by weight, the content of the water-soluble binder is too low to increase the expanded graphite and hydroxide. Not only the aluminum and additive components are not bound, but when the flame-retardant coating composition is applied to the surface of the expanded polystyrene, a uniform coating film is not formed, and when the content of the water-soluble binder exceeds 100 parts by weight, agglomeration occurs to form a uniform coating film. Not only is it difficult to form, but the content of the expanded graphite, aluminum hydroxide, and additives is relatively low, and mechanical properties such as flame retardancy, heat insulation, and compressive strength are lowered.
이때, 상기 수용성 바인더는 비닐아세테이트 100 중량부, 폴리비닐알코올 1 내지 10 중량부, 유화제 1 내지 10 중량부 및 정제수 20 내지 30 중량부로 이루어지는 것이 바람직하다.At this time, the water-soluble binder is preferably composed of 100 parts by weight of vinyl acetate, 1 to 10 parts by weight of polyvinyl alcohol, 1 to 10 parts by weight of emulsifier and 20 to 30 parts by weight of purified water.
상기 첨가제는 25 내지 75 중량부가 함유되며, 본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물의 난연성 및 기계적 물성을 향상시키는 역할을 하는데, 상기 첨가제의 함량이 25 중량부 미만이면 상기의 효과가 미미하며, 상기 첨가제의 함량이 75 중량부를 초과하게 되면 상대적으로 상기 팽창흑연, 수산화알미늄, 수용성 바인더의 함량이 줄어들어 난연성, 단열성 및 균일한 도막형성 등의 효과가 저하된다.The additive contains 25 to 75 parts by weight, and serves to improve the flame retardancy and mechanical properties of the flame retardant coating composition for expanded polystyrene according to the present invention, when the content of the additive is less than 25 parts by weight, the above effects are insignificant, When the content of the additive exceeds 75 parts by weight, the content of the expanded graphite, aluminum hydroxide, and the water-soluble binder is relatively decreased, thereby reducing the effects of flame retardancy, heat insulation, and uniform coating film formation.
또한, 상기 첨가제는 수산화마그네슘, 황토 및 산화철로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는데, 수산화마그네슘 100 중량부, 황토 50 내지 100 중량부 및 산화철 50 내지 100 중량부로 이루어지는 것이 바람직하다.In addition, the additive is made of one or more selected from the group consisting of magnesium hydroxide, ocher and iron oxide, it is preferably made of 100 parts by weight of magnesium hydroxide, 50 to 100 parts by weight of ocher and 50 to 100 parts by weight of iron oxide.
즉, 상기 황토와 상기 산화철은 동일한 량으로 첨가제에 포함되는 것이 바람직하다.That is, the ocher and the iron oxide are preferably included in the additive in the same amount.
상기 수산화마그네슘은 상기 수산화알루미늄과 유사한 역할을 하며, 상기 황토는 본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물이 도포되는 발포 폴리스티렌의 압축강도를 향상시키는 역할을 한다.The magnesium hydroxide plays a role similar to that of the aluminum hydroxide, and the ocher serves to improve the compressive strength of the expanded polystyrene to which the flame-retardant coating composition for expanded polystyrene according to the present invention is applied.
이때, 상기 황토 외에도 적도, 흑토, 백토 및 점토 등이 사용될 수 있는데, 비용과 효율성을 고려하였을 때, 황토를 사용하는 것이 가장 바람직하다.At this time, in addition to the loess, equatorial, black clay, white clay and clay may be used, considering the cost and efficiency, it is most preferred to use the loess.
상기와 같이 정제수 100 중량부, 팽창흑연 50 내지 100 중량부, 수산화알루미늄 50 내지 100 중량부, 수용성 바인더 75 내지 100 중량부 및 첨가제 25 내지 75 중량부로 이루어지는 발포 폴리스티렌용 난연성 코팅제 조성물은 상기의 성분을 교반장치에 투입하여 150 내지 250rpm의 속도로 20 내지 40분 동안 교반한 후에, 40 내지 60분 동안 방치하여 제조된다.Flame retardant coating composition for expanded polystyrene comprising 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, 75 to 100 parts by weight of water-soluble binder and 25 to 75 parts by weight of additives. After stirring for 20 to 40 minutes at a speed of 150 to 250rpm into a stirring apparatus, it is prepared by leaving for 40 to 60 minutes.
또한, 상기의 과정을 통해 제조된 발포 폴리스티렌용 난연성 코팅제 조성물을 폴리스티렌 발포체 수지입자의 표면에 코팅되는데, 난연성 코팅제 조성물이 코팅된 폴리스티렌 발포체 수지입자를 성형기에 충진시키고 가열시켜 발포입자 사이의 공극을 메우는 동시에 발포입자를 서로 융착시킨 후 이를 냉각하여 스티로폼 패널로 제조한다.In addition, the flame-retardant coating composition for expanded polystyrene prepared by the above process is coated on the surface of the polystyrene foam resin particles, the polystyrene foam resin particles coated with the flame-retardant coating composition is filled in the molding machine and heated to fill the voids between the foam particles. At the same time, the foamed particles are fused to each other and then cooled to prepare a styrofoam panel.
이하에서는, 본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물의 제조방법 및 물성을 실시예를 들어 설명하기로 한다.Hereinafter, the production method and physical properties of the flame retardant coating composition for expanded polystyrene according to the present invention will be described with reference to Examples.
<실시예 1><Example 1>
정제수 250kg, 팽창흑연(발포배율 200배, 입자크기 500 마이크로미터) 225kg, 수산화알루미늄 225kg 중량부, 수용성 바인더(비닐아세테이트 100 중량부, 폴리비닐알코올 5 중량부, 유화제 5 중량부 및 정제수 25 중량부) 200kg 및 첨가제 (수산화마그네슘 100 중량부, 황토 75 중량부 및 산화철 75 중량부) 100kg을 교반장치에 투입하여 200rpm의 속도로 30분 동안 교반한 후에, 50분 동안 방치하여 발포 폴리스티렌용 난연성 코팅제 조성물을 제조하였다.250 kg of purified water, expanded graphite (200 times expansion ratio, particle size 500 micrometers) 225 kg, aluminum hydroxide 225 kg by weight, water-soluble binder (100 parts by weight of vinyl acetate, 5 parts by weight of polyvinyl alcohol, 5 parts by weight of emulsifier and 25 parts by weight of purified water) ) 200 kg and 100 kg of additives (100 parts by weight of magnesium hydroxide, 75 parts by weight of ocher and 75 parts by weight of iron oxide) were added to a stirrer and stirred at a speed of 200 rpm for 30 minutes, and then allowed to stand for 50 minutes to form a flame-retardant coating composition for expanded polystyrene. Was prepared.
<실시예 2><Example 2>
발포배율이 100배인 폴리스티렌 발포체 수지입자 100 중량부의 표면에 상기 실시예 1을 통해 제조된 발포 폴리스티렌용 난연성 코팅제 조성물 20 중량부를 분사하여 코팅층을 형성하고, 코팅층이 형성된 폴리스티렌 발포체 수지입자를 성형기에 충진시키고 가열시켜 발포입자 사이의 공극을 메우는 동시에 발포입자를 서로 융착시킨 후 이를 냉각하여 스티로폼 패널을 제조하였다.20 parts by weight of the flame retardant coating composition for expanded polystyrene prepared in Example 1 was sprayed onto the surface of 100 parts by weight of the polystyrene foam resin particles having a foaming ratio of 100 times to form a coating layer, and the polystyrene foam resin particles having the coating layer formed therein were filled in the molding machine. Styrofoam panels were prepared by heating the voids between the foamed particles and simultaneously fusion of the foamed particles, followed by cooling.
<실시예 3><Example 3>
상기 실시예 1과 동일하게 진행하되, 발포배율이 80배인 폴리스티렌 발포체 수지입자를 이용하여 스티로폼 패널을 제조하였다.Proceed in the same manner as in Example 1, using a polystyrene foam resin particles having a foaming ratio of 80 times to prepare a styrofoam panel.
<비교예 1>Comparative Example 1
정제수 250kg, 팽창흑연 225kg, 수산화알루미늄 225kg 중량부 및 무기 바인더 200kg을 교반장치에 투입하여 200rpm의 속도로 30분 동안 교반한 후에, 50분 동안 방치하여 발포 폴리스티렌용 난연성 코팅제 조성물을 제조하였다.250 kg of purified water, 225 kg of expanded graphite, 225 kg of aluminum hydroxide and 200 kg of an inorganic binder were added to a stirring apparatus, stirred at a speed of 200 rpm for 30 minutes, and then left for 50 minutes to prepare a flame retardant coating composition for expanded polystyrene.
<비교예 2>Comparative Example 2
발포배율이 80배인 폴리스티렌 발포체 수지입자 100 중량부의 표면에 상기 비교예 1을 통해 제조된 발포 폴리스티렌용 난연성 코팅제 조성물 20 중량부를 분사하여 코팅층을 형성하고, 코팅층이 형성된 폴리스티렌 발포체 수지입자를 성형기 융착시킨 후 이를 냉각하여 스티로폼 패널을 제조하였다.After spraying 20 parts by weight of a flame-retardant coating composition for expanded polystyrene prepared in Comparative Example 1 on the surface of 100 parts by weight of polystyrene foam resin particles having a foaming ratio of 80 times to form a coating layer, and then fusion molding the polystyrene foam resin particles with a coating layer This was cooled to prepare a styrofoam panel.
상기 실시예 2 내지 3 및 상기 비교예 2를 통해 제조된 스티로폼 패널의 난연성을 측정하여 아래 표 1에 나타내었다.Flame retardancy of the styrofoam panel prepared through Examples 2 to 3 and Comparative Example 2 was measured and shown in Table 1 below.
{단, 난연성의 측정은 ASTM D 2863의 측정방법과 산소지수 시험기(Oxygen Index Tester)기를 이용하였다.}{However, the flame retardancy was measured using the measuring method of ASTM D 2863 and Oxygen Index Tester.}
표 1
구분 LOI(limiting Oxygen Index)
실시예2 27.1
실시예3 30.5
비교예2 24
Table 1
division Limiting Oxygen Index (LOI)
Example 2 27.1
Example 3 30.5
Comparative Example 2 24
위에 표 1에 나타낸 것처럼, 본 발명의 실시예 1을 통해 제조된 발포 폴리스티렌용 난연성 코팅제 조성물이 도포된 스티로폼 패널의 난연성이 비교예 1을 통해 제조된 발포 폴리스티렌용 난연성 코팅제 조성물이 도포된 스티로폼 패널에 비해 월등하게 향상되는 것을 알 수 있다.As shown in Table 1 above, the flame retardancy of the styrofoam panel coated with a flame-retardant coating composition for expanded polystyrene prepared in Example 1 of the present invention to the styrofoam panel coated with a flame-retardant coating composition for expanded polystyrene prepared through Comparative Example 1 It can be seen that it is significantly improved compared to.
따라서, 본 발명에 따른 발포 폴리스티렌용 난연성 코팅제 조성물은 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 첨가제로 이루어져, 발포 폴리스티렌에 효율적으로 코팅될 뿐만 아니라, 팽창흑연이 코팅층에서 박리되지 않기 때문에 발포 폴리스티렌의 난연성 개선, 단열성 및 압축강도 등과 같은 물성적인 측면에서 단열재로 사용하기에 적합한 효과를 나타낸다.Therefore, the flame-retardant coating composition for expanded polystyrene according to the present invention is composed of purified water, expanded graphite, aluminum hydroxide, a water-soluble binder and additives, not only efficiently coated on the expanded polystyrene, but also because the expanded graphite does not peel off from the coating layer. In terms of physical properties such as improved flame retardancy, thermal insulation and compressive strength, it shows an effect suitable for use as a heat insulating material.

Claims (7)

  1. 정제수, 팽창흑연, 수산화알미늄, 수용성 바인더 및 첨가제로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.A flame retardant coating composition for expanded polystyrene, comprising purified water, expanded graphite, aluminum hydroxide, a water-soluble binder, and an additive.
  2. 청구항 1에 있어서,The method according to claim 1,
    상기 발포 폴리스티렌용 난연성 코팅제 조성물은 정제수 100 중량부, 팽창흑연 50 내지 100 중량부, 수산화알루미늄 50 내지 100 중량부, 수용성 바인더 75 내지 100 중량부 및 첨가제 25 내지 75 중량부로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.The flame retardant coating composition for expanded polystyrene is expanded polystyrene, characterized in that consisting of 100 parts by weight of purified water, 50 to 100 parts by weight of expanded graphite, 50 to 100 parts by weight of aluminum hydroxide, 75 to 100 parts by weight of water-soluble binder and 25 to 75 parts by weight of additives. Flame retardant coating composition for.
  3. 청구항 1 또는 2에 있어서,The method according to claim 1 or 2,
    상기 팽창흑연은 팽창율이 20 내지 400배이며, 50 내지 1000 마이크로미터의 입자크기를 갖는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.The expanded graphite has a expansion ratio of 20 to 400 times, flame retardant coating composition for expanded polystyrene, characterized in that it has a particle size of 50 to 1000 micrometers.
  4. 청구항 1 또는 2에 있어서,The method according to claim 1 or 2,
    상기 수용성 바인더는 비닐아세테이트, 폴리비닐알코올, 유화제 및 정제수로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.The water-soluble binder is a flame retardant coating composition for expanded polystyrene, characterized in that consisting of vinyl acetate, polyvinyl alcohol, an emulsifier and purified water.
  5. 청구항 4에 있어서,The method according to claim 4,
    상기 수용성 바인더는 비닐아세테이트 100 중량부, 폴리비닐알코올 1 내지 10 중량부, 유화제 1 내지 10 중량부 및 정제수 20 내지 30 중량부로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.The water-soluble binder is 100 parts by weight of vinyl acetate, 1 to 10 parts by weight of polyvinyl alcohol, 1 to 10 parts by weight of an emulsifier, and 20 to 30 parts by weight of purified water.
  6. 청구항 1 또는 2에 있어서,The method according to claim 1 or 2,
    상기 첨가제는 수산화마그네슘, 황토 및 산화철로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.The additive is a flame-retardant coating composition for expanded polystyrene, characterized in that at least one selected from the group consisting of magnesium hydroxide, ocher and iron oxide.
  7. 청구항 6에 있어서,The method according to claim 6,
    상기 첨가제는 수산화마그네슘 100 중량부, 황토 50 내지 100 중량부 및 산화철 50 내지 100중량부로 이루어지는 것을 특징으로 하는 발포 폴리스티렌용 난연성 코팅제 조성물.The additive is flame retardant coating composition for expanded polystyrene, characterized in that consisting of 100 parts by weight of magnesium hydroxide, 50 to 100 parts by weight of ocher and 50 to 100 parts by weight of iron oxide.
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CN106700135A (en) * 2016-11-29 2017-05-24 四川大学 Flame-retardant polystyrene insulation material and preparation method thereof
CN111511832A (en) * 2017-12-28 2020-08-07 北川工业株式会社 Thermally conductive elastomer composition and thermally conductive molded body

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