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WO2016056717A1 - Composition d'agent de revêtement ignifuge pour le polystyrène expansé - Google Patents

Composition d'agent de revêtement ignifuge pour le polystyrène expansé Download PDF

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Publication number
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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WO
WIPO (PCT)
Prior art keywords
weight
parts
retardant coating
expanded polystyrene
flame retardant
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Ceased
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PCT/KR2015/003085
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English (en)
Korean (ko)
Inventor
엄봉섭
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Individual
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Classifications

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

Abstract

La présente invention concerne une composition d'agent de revêtement ignifuge pour le polystyrène expansé et, plus particulièrement, comprend un additif contenant de l'eau purifiée, du graphite expansé, de l'hydroxyde d'aluminium, un liant soluble dans l'eau, de l'hydroxyde de magnésium, une terre jaune et analogue. La composition d'agent de revêtement ignifuge pour le polystyrène expansé, composée desdits constituants, est appliquée de façon efficace sur du polystyrène expansé, et présente un effet d'amélioration des propriétés ignifuges, et permet d'obtenir un polystyrène expansé approprié comme isolant thermique du point de vue de ses propriétés physiques, telles que l'isolation thermique et la résistance à la compression.
PCT/KR2015/003085 2014-10-07 2015-03-30 Composition d'agent de revêtement ignifuge pour le polystyrène expansé Ceased WO2016056717A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0135252 2014-10-07
KR20140135252A KR101493434B1 (ko) 2014-10-07 2014-10-07 발포 폴리스티렌용 난연성 코팅제 조성물

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WO2016056717A1 true WO2016056717A1 (fr) 2016-04-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106700135A (zh) * 2016-11-29 2017-05-24 四川大学 难燃聚苯乙烯保温材料及其制备方法
CN111511832A (zh) * 2017-12-28 2020-08-07 北川工业株式会社 热传导弹性体组合物以及热传导成型体

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KR101601708B1 (ko) * 2015-05-15 2016-03-09 민성기 팽창된 흑연을 첨가한 불연성 도막 코팅제와 그 제조방법 및 용도
KR101912893B1 (ko) * 2017-01-05 2018-10-29 (주)시그마소재 난연성 초산비닐고분자 에멀션 수지를 이용하여 제조되는 난연스티로폼
KR102149904B1 (ko) * 2018-09-20 2020-08-31 한국화학연구원 난연성 폐 발포 폴리스틸렌으로부터 폴리스틸렌을 회수하는 방법과 회수된 재생 폴리스틸렌
KR102485828B1 (ko) * 2022-10-19 2023-01-09 권혁열 난연제 제조방법 및 그 제조방법에 의해 제조된 난연제

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106700135A (zh) * 2016-11-29 2017-05-24 四川大学 难燃聚苯乙烯保温材料及其制备方法
CN106700135B (zh) * 2016-11-29 2018-12-25 四川大学 难燃聚苯乙烯保温材料及其制备方法
CN111511832A (zh) * 2017-12-28 2020-08-07 北川工业株式会社 热传导弹性体组合物以及热传导成型体
CN111511832B (zh) * 2017-12-28 2023-01-10 北川工业株式会社 热传导弹性体组合物以及热传导成型体

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