WO2021040253A1 - 수성 난연 접착제 조성물 및 그 제조방법 - Google Patents
수성 난연 접착제 조성물 및 그 제조방법 Download PDFInfo
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- WO2021040253A1 WO2021040253A1 PCT/KR2020/010055 KR2020010055W WO2021040253A1 WO 2021040253 A1 WO2021040253 A1 WO 2021040253A1 KR 2020010055 W KR2020010055 W KR 2020010055W WO 2021040253 A1 WO2021040253 A1 WO 2021040253A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0016—Plasticisers
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—Polycarboxylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0853—Ethylene vinyl acetate copolymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- 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
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J131/00—Adhesives based on 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 acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—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 a halogen
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/06—Vinyl chloride
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- 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
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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- C09J2427/00—Presence of halogenated polymer
Definitions
- the present invention relates to a water-based flame-retardant adhesive composition and a method of manufacturing the same, and more particularly, to reduce cost through replacement of an organic flame retardant, and improve the layer separation of the adhesive due to the addition of an inorganic flame retardant, and exhibit excellent adhesion and low-temperature stability. It relates to a water-based flame retardant adhesive composition and a method for producing the same.
- aqueous adhesive As the aqueous adhesive, it is proposed to use a chloroprene latex adhesive in the form of a polymer emulsion, a vinyl chloride emulsion, a vinylidene chloride emulsion, a vinyl chloride acrylic acid ester copolymer emulsion, or a vinyl chloride ethylene vinyl acetate copolymer emulsion.
- a chloroprene latex adhesive in the form of a polymer emulsion, a vinyl chloride emulsion, a vinylidene chloride emulsion, a vinyl chloride acrylic acid ester copolymer emulsion, or a vinyl chloride ethylene vinyl acetate copolymer emulsion.
- these polymer emulsions are used alone, there is a problem that flame retardancy is not realized.
- Organic flame retardants are largely classified into non-halogen flame retardants such as phosphorus and nitrogen, and halogen flame retardants such as bromine and chlorine, and inorganic flame retardants are classified into metal hydroxides such as aluminum hydroxide and magnesium hydroxide, and antimony.
- organic flame retardants have excellent flame retarding effects, they are expensive, and some organic flame retardants, especially bromine-based flame retardants, have problems with human health such as dioxin generation during combustion.
- organic flame retardants since the inorganic flame retardant must be used in an excessive amount, it is separated or precipitated over time, making it impossible to work, or requiring an additional mixing process.
- the present invention is to solve the above problems, eco-friendly, cost reduction through replacement of organic flame retardants, improve the layer separation of the adhesive due to the addition of inorganic flame retardants, and a water-based flame retardant adhesive composition capable of showing excellent adhesion and low temperature stability And it provides a manufacturing method.
- the present invention provides a base resin selected from the group consisting of vinyl acetate-ethylene (VAE) copolymers, acrylic resins, urethane resins, and silicone resins; And an aqueous polyvinyl chloride emulsion in a weight ratio of 90:10 to 10:90 based on a solid content.
- VAE vinyl acetate-ethylene
- Another aspect of the present invention is a vinyl chloride monomer alone; Or a mixture of a vinyl chloride monomer and a comonomer copolymerizable therewith by emulsion polymerization in an aqueous medium to prepare an aqueous polyvinyl chloride emulsion in which polyvinyl chloride is dispersed in an aqueous medium; And mixing the aqueous polyvinyl chloride emulsion in a weight ratio of 10:90 to 90:10 based on solid content with a base resin selected from the group consisting of vinyl acetate-ethylene copolymer, acrylic resin, urethane resin, and silicone resin. It provides a method for preparing the aqueous flame retardant adhesive composition comprising a.
- the water-based flame-retardant adhesive composition according to the present invention is environmentally friendly, cost reduction through replacement of an organic flame retardant, and improved layer separation of the adhesive due to the addition of an inorganic flame retardant, and can exhibit excellent adhesion and low-temperature stability. Accordingly, the adhesive composition may be applied to various fields such as construction and various industries, and specifically, it may be usefully applied to construction/industrial adhesives, adhesive films, decorative sheets, flooring materials, artificial leather, or toys.
- the present inventors When preparing an aqueous adhesive composition, the present inventors have found that when a base resin is mixed with an aqueous polyvinyl chloride-based emulsion, excellent flame retardancy can be exhibited even when no flame retardant is used or the amount of use is reduced, and furthermore, eco-friendly cyclohexane as a processing aid. By using a plasticizer of a dicarboxylate-based compound, it was confirmed that adhesion can be enhanced and low-temperature safety can be improved, and the present invention has been completed.
- the water-based flame-retardant adhesive composition according to an embodiment of the present invention
- a base resin selected from the group consisting of vinyl acetate-ethylene (VAE) copolymers, acrylic resins, urethane resins, and silicone resins;
- Aqueous polyvinyl chloride emulsion based on the solid content of 90:10 to 10:90 in a weight ratio of.
- the aqueous polyvinyl chloride emulsion is a water-dispersible emulsion in which polyvinyl chloride is dispersed in water. When included in the composition, it may exhibit better flame retardancy than other aqueous base resins.
- polyvinyl chloride refers to a (co)polymer in which a vinyl chloride-based monomer is alone or a vinyl chloride-based monomer and a comonomer copolymerizable therewith are copolymerized.
- a polymerization method such as suspension polymerization, micro-suspension polymerization, emulsion polymerization, or mini-emulsion polymerization by mixing a suspension agent, a buffer agent, and a polymerization initiator.
- the comonomer capable of copolymerizing with the above-described vinyl chloride monomer may include, for example, a vinyl ester-based monomer including an ethylene vinyl acetate monomer and a vinyl propionate monomer; Olefin-based monomers including ethylene, propylene, isobutyl vinyl ether, and halogenated olefins; Methacrylic acid ester-based monomers including methacrylic acid alkyl esters; Maleic anhydride monomer; Acrylonitrile monomer; Styrene monomer; And halogenated polyvinylidene, etc., and one or more of them may be mixed to prepare a copolymer with a vinyl chloride monomer.
- a vinyl ester-based monomer including an ethylene vinyl acetate monomer and a vinyl propionate monomer
- Olefin-based monomers including ethylene, propylene, isobutyl vinyl ether, and halogenated olefins
- the present invention is not limited to the above-described monomers, and according to the properties or uses of the aqueous flame-retardant adhesive composition required at the time of manufacture, in the technical field to which the present invention belongs, generally forms a copolymer through a polymerization reaction with a vinyl chloride monomer.
- the monomer used for this can be used without any particular limitation.
- polyvinyl chloride such as glass transition temperature and particle size
- glass transition temperature and particle size may be controlled through the control of polymerization conditions during the polymerization reaction.
- the required glass transition temperature (Tg) of polyvinyl chloride may vary depending on the adhesive substrate, for example, the polyvinyl chloride may have a glass transition temperature of -20°C or higher and 80°C or lower. More specifically, it may be 20°C or higher and 60°C or lower.
- the glass transition temperature of the polyvinyl chloride can be measured using a DSC (Differential Scanning Calorimeter) equipment.
- the polyvinyl chloride is present in the form of particles dispersed in water, and has an average particle diameter (D[4,3]) of 100 nm to 1 ⁇ m, more specifically 100 nm to 0.5 ⁇ m. If the average particle diameter is less than 100 nm, particle stability is lowered, and dispersibility in the emulsion may be lowered due to agglomeration of polyvinyl chloride particles. If it exceeds 1 ⁇ m, storage stability is poor and the cohesive force of the particles after drying is reduced. It may fall off, and there is a fear that the adhesive properties may deteriorate.
- D[4,3] average particle diameter
- the average particle diameter D[4,3] of polyvinyl chloride is the volume weighted mean of the particles, and can be measured using a laser diffraction method. Specifically, after the particles to be measured are dispersed in a dispersion medium, the particle size distribution is calculated by introducing the particles into a laser diffraction particle size measuring apparatus such as MasterSizer 3000, and measuring the difference in diffraction pattern according to the particle size when the particles pass through the laser beam.
- a laser diffraction particle size measuring apparatus such as MasterSizer 3000
- the polyvinyl chloride may have a weight average molecular weight (Mw) of 45,000 to 300,000 g/mol, more specifically 50,000 to 130,000 g/mol. When it has a weight average molecular weight in the above range, it is excellent in dispersibility in the emulsion, and thus mechanical stability can be improved.
- Mw weight average molecular weight
- the weight average molecular weight (Mw) of polyvinyl chloride is a standard polystyrene conversion value and can be measured using gel permeation chromatography.
- an Agilent 1200/Malvern TDA302 instrument was used as a gel permeation chromatography (GPC) apparatus, and a PLgel Mixed-B (Polymer Laboratories, 10 ⁇ m, 3 ⁇ 300 mm) column was used.
- the measurement temperature is 45°C
- THF Tetrahydrofuran
- the flow rate is 1 mL/min.
- a sample of the polymer is prepared with THF at a concentration of 4 mg/mL, then dissolved at room temperature for 8 hours to pretreat, and 200 ⁇ L of the amount is injected into the device.
- the Mw value is derived using a calibration curve formed using a polystyrene standard specimen.
- the weight average molecular weight of the polystyrene standard specimen is 1,480g/mol, 2,340g/mol, 8,450g/mol, 19,760g/mol, 38,100g/mol, 70,950g/mol, 139,400g/mol, 271,000g/mol, 591,000 g/mol, and 1,730,000 g/mol are used.
- the base resin may be a vinyl acetate-ethylene (VAE) copolymer, an acrylic resin, a rubber-based resin, a urethane-based resin, or a silicone-based resin.
- VAE vinyl acetate-ethylene
- a vinyl acetate-ethylene (VAE) copolymer having excellent adhesion properties and excellent compatibility with an aqueous polyvinyl chloride emulsion may be preferred.
- the base resin may be an aqueous medium, specifically, an aqueous emulsion in which particles of the base resin are dispersed in water.
- the base resin also has an average particle diameter (D[4,3]) of 100 nm to 1.5 ⁇ m, more specifically 500 nm to 1.2 ⁇ m. If the average particle diameter is less than 100 nm, the particle stability may deteriorate, and if it exceeds 1.5 ⁇ m, the cohesive strength of the particles after drying may decrease, and the adhesive properties may be lowered.
- the average particle diameter (D[4,3]) of the base resin may be measured according to a conventional particle size distribution measurement method such as an optical microscope observation method, a light scattering method, and a laser diffraction method.
- a conventional particle size distribution measurement method such as an optical microscope observation method, a light scattering method, and a laser diffraction method.
- the base resin may have a weight average molecular weight of 100,000 g/mol or more and 700,000 g/mol or less. If the weight average molecular weight is less than 100,000 g/mol, durability may decrease due to a decrease in cohesive strength, and if it exceeds 700,000 g/mol, adhesion properties decrease, or coating property decreases due to an increase in particle size or viscosity. There is a risk of becoming.
- the weight average molecular weight (Mw) of the base resin is a value in terms of polystyrene measured by GPC (gel permeation chromatography). Specifically, it can be measured using a PLgel MIX-B 300mm length column of Polymer Laboratories and a Waters PL-GPC220 instrument, the measurement temperature is 160°C, and tetrahydrofuran or 1,2,4-trichlorobenzene as a solvent. And the flow rate is 1mL/min. A sample of the base resin is prepared at a concentration of 10 mg/10 mL, and then injected into the device in an amount of 200 ⁇ L. The Mw value is derived using a calibration curve formed using a polystyrene standard specimen, wherein the molecular weight of the polystyrene standard is 190,000 g/mol.
- the vinyl acetate-ethylene copolymer when using a vinyl acetate-ethylene (VAE) copolymer as the base resin, the vinyl acetate-ethylene copolymer is 10 to 20% by weight of ethylene and 30 to 50% by weight of vinyl acetate based on the total weight of the copolymer. It may be an emulsion copolymer obtained by emulsion polymerization of 40 to 60% by weight of polyvinyl alcohol.
- VAE vinyl acetate-ethylene
- the acrylic resin when used as the base resin, the acrylic resin may be a polymer of a monomer mixture including a (meth)acrylic acid ester monomer and a crosslinkable monomer.
- the type of the (meth)acrylic acid ester monomer is not particularly limited, and for example, an alkyl (meth)acrylate may be used.
- an alkyl (meth)acrylate may be used.
- an alkyl group having 1 to 14 carbon atoms, preferably 1 to 8 carbon atoms it is possible to use an alkyl (meth)acrylate having.
- Examples of such monomers include methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, n-butyl (meth)acrylate, t-butyl ( Meth)acrylate, sec-butyl (meth)acrylate, pentyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 2-ethylbutyl (meth)acrylate, n-octyl (meth)acrylate, Isooctyl (meth)acrylate, isobornyl (meth)acrylate, isononyl (meth)acrylate, and the like, and in the present invention, one type or a mixture of two or more of the above may be used.
- crosslinkable monomer contained in the monomer mixture refers to a monomer including a copolymerizable functional group (ex. carbon-carbon double bond) and a crosslinkable functional group in the molecular structure at the same time, and the monomer is a polyfunctional crosslinking agent and A crosslinkable functional group capable of reacting can be provided.
- crosslinkable monomer examples include a hydroxy group-containing monomer, a carboxyl group-containing monomer, or a nitrogen-containing monomer, and among them, one kind or a mixture of two or more kinds may be used. In the present invention, it is particularly preferable to use a carboxyl group-containing monomer as the crosslinkable monomer, but is not limited thereto.
- Examples of the hydroxy group-containing monomer in the above include 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, and 6-hydroxyhexyl (meth) Acrylate, 8-hydroxyoctyl (meth)acrylate, 2-hydroxyethylene glycol (meth)acrylate or 2-hydroxypropylene glycol (meth)acrylate;
- Examples of the carboxyl group-containing monomer include acrylic acid, methacrylic acid, 2-(meth)acryloyloxy acetic acid, 3-(meth)acryloyloxy propyl acid, 4-(meth)acryloyloxy butyric acid, acrylic acid double Sieve, itaconic acid or maleic acid;
- Examples of nitrogen-containing monomers include 2-isocyanatoethyl (meth)acrylate, 3-isocyanatopropyl (meth)acrylate, 4-isocyanatobutyl (meth)acrylate, (meth)
- the monomer mixture based on the total weight of the monomer mixture, 80 to 99.9% by weight of a (meth)acrylic acid ester monomer and 0.1 to 20% by weight of a crosslinkable monomer, preferably 90 to 99.9% by weight of a (meth)acrylic acid ester monomer and crosslinking It may contain 0.1 to 10% by weight of a sexual monomer.
- the method of preparing the base resin including each component is not particularly limited, and for example, it can be prepared through a general polymerization method such as solution polymerization, photo polymerization, bulk polymerization, suspension polymerization, or emulsion polymerization. I can.
- it is particularly preferable to prepare a water-dispersible base resin using a suspension polymerization or an emulsion polymerization method, and more preferably, it may be preferable to prepare an emulsion polymerization method.
- the above-described base resin may be included in an aqueous polyvinyl chloride emulsion and a weight ratio of 90:10 to 10:90 based on solid content (base resin: aqueous polyvinyl chloride emulsion).
- base resin aqueous polyvinyl chloride emulsion
- the content of the base resin is less than 10 parts by weight, and the content of the aqueous polyvinyl chloride emulsion exceeds 90 parts by weight, there is a concern of lowering of adhesion, and the content of the base resin exceeds 90 parts by weight.
- the content of the aqueous polyvinyl chloride emulsion is less than 10 parts by weight, there is a concern of lowering the flame retardancy.
- the base resin and the aqueous polyvinyl chloride emulsion are 60:40 to 90:10, Alternatively, it may be included in a weight ratio of 70:30 to 85:15.
- water-based flame-retardant adhesive composition according to an embodiment of the present invention may further include a plasticizer.
- the plasticizer may specifically be a cyclohexane dicarboxylate-based compound containing two C 4-10 alkyl groups.
- the two alkyl groups may be the same or different from each other. More specifically, the two alkyl groups are identical to each other , and may be a C 4-10 alkyl group, and more specifically, the two alkyl groups are C 4-8 straight-chain alkyl such as n-butyl and the like; Or it may be a C 6-10 branched alkyl such as ethylhexyl and isononyl.
- Tg When the cyclohexane dicarboxylate-based compound is included in the adhesive composition, Tg may be lowered and a thickening effect may be imparted. In addition, it is possible to improve the adhesion and low temperature stability of the adhesive composition due to its excellent cold resistance.
- More specific examples include di(2-ethylhexyl)cyclohexane-1,4-dicarboxylate (Di(2-ethylhexyl)cyclohexane-1,4-dicarboxylate; DEHCH), diisononylcyclohexane-1,2- Diisononyl cyclohexane-1,2-dicarboxylate (DINCH), di(2-ethylhexyl)cyclohexane-1,2-dicarboxylate (Di(2-ethylhexyl)cyclohexane-1,2-dicarboxylate; DOCH), or dibutyl cyclohexane-1,4-dicarboxylate (DBCH), and the like, and any one or a mixture of two or more of them may be used.
- DEHCH di(2-ethylhexyl)cyclohexane-1,4-dicarboxylate
- DEHCH diisononylcycl
- the DEHCH is a compound represented by the following Chemical Formula 1, and has excellent adhesion and low-temperature stability improvement effects, and has low room temperature and low-temperature viscosity, so that excellent coating properties can be implemented.
- the plasticizer may be included in an amount of 10 to 30 parts by weight based on 100 parts by weight of a mixture of the base resin and an aqueous polyvinyl chloride emulsion on a solid basis. If the content of the plasticizer is less than 10 parts by weight, the effect of improving adhesion and low temperature stability according to the inclusion of the plasticizer is insignificant, and if it exceeds 30 parts by weight, the shear strength of the adhesive may be lowered. In consideration of the superiority of the improvement effect according to the content control, it may be more preferable that the plasticizer be included in an amount of 20 to 30 parts by weight based on 100 parts by weight of the mixture of the base resin and the aqueous polyvinyl chloride emulsion.
- the aqueous flame-retardant adhesive composition includes additives such as crosslinking agents, initiators, low molecular weight agents, epoxy resins, ultraviolet stabilizers, antioxidants, colorants, reinforcing agents, antifoaming agents, plasticizers, foaming agents, organic salts, thickeners, and It may further include one or more selected from the group consisting of flame retardants.
- the additive may be appropriately selected according to the physical properties to be improved in the vinyl chloride-based resin composition.
- an aqueous polyvinyl chloride is dispersed in an aqueous medium by emulsion polymerization or seed emulsion polymerization of a vinyl chloride monomer alone or a mixture of a vinyl chloride monomer and a comonomer copolymerizable therewith.
- Preparing a vinyl chloride emulsion step 1; And mixing the aqueous polyvinyl chloride emulsion in a weight ratio of 10:90 to 90:10 based on a base resin and a solid content (step 2).
- step 1 for preparing the aqueous flame-retardant adhesive composition is a step of preparing an aqueous polyvinyl chloride emulsion.
- the aqueous polyvinyl chloride emulsion may be carried out by adding an emulsifier and a polymerization initiator to a vinyl chloride monomer alone or a mixture of a vinyl chloride monomer and a comonomer copolymerizable therewith in an aqueous medium, and emulsion polymerization or seed emulsion polymerization. .
- the types of the vinyl chloride monomer and the comonomer copolymerizable therewith are as described above.
- an anionic emulsifier or a nonionic emulsifier may be used alone or in combination of two or more.
- the anionic emulsifier carboxylic acid, alkyl sulfonic acid, alkyl benzene sulfonic acid, ⁇ -olefin sulfonic acid or alkyl phosphoric acid may be used.
- nonionic emulsifier polyoxyethylene ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene alkenyl ether, polyoxyethylene derivative, glycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, silicone emulsifier, and the like can be used. I can.
- the emulsifier may be added collectively to the aqueous medium before the polymerization reaction, or may be continuously added to the aqueous medium during the polymerization reaction. Alternatively, it may be added to the latex after the polymerization reaction is completed, and the above methods may be used in combination as necessary.
- an auxiliary dispersant may be further used as needed.
- the auxiliary dispersant is used to maintain the stability of the latex and polymerization together with an emulsifier, and specifically, higher alcohols such as lauryl alcohol, myristic alcohol, stearyl alcohol, or lauric acid, myristic acid, peritic acid, Higher fatty acids such as stearic acid can be used.
- higher alcohols such as lauryl alcohol, myristic alcohol, stearyl alcohol, or lauric acid, myristic acid, peritic acid, Higher fatty acids such as stearic acid can be used.
- a water-soluble polymerization initiator such as ammonium persulfate, potassium persulfate, sodium persulfate or hydrogen peroxide may be used, and if necessary, sodium sulfite, sodium, ascorbic acid Reducing agents such as (ascorbic acid) can be used together.
- water such as distilled water and deionized water may be used as the aqueous medium.
- an aqueous polyvinyl chloride emulsion (or vinyl chloride resin latex) in which fine particles of polyvinyl chloride are dispersed in an aqueous medium, specifically water, can be prepared.
- a process for removing unreacted monomers that has not been polymerized may be further selectively performed, and the polymerization conditions may be appropriately changed according to the physical properties of the polyvinyl chloride to be implemented.
- the content of the solid content including polyvinyl chloride may be about 30 to about 60% by weight.
- step 2 is a step of mixing the aqueous polyvinyl chloride emulsion prepared in step 1 with a base resin.
- the type and mixing ratio of the base resin are as described above, and the mixing may be performed according to a conventional method.
- a plasticizer when mixing the aqueous polyvinyl chloride emulsion and the base resin, a plasticizer may be further added, and the type and content of the plasticizer are as described above.
- the aqueous flame-retardant adhesive composition prepared according to the above-described manufacturing method can exhibit excellent flame retardancy even without the use of a conventional flame retardant.
- the adhesive composition exhibits a flame retardancy of VO or V1 when evaluating flame retardancy according to the flame retardant regulation of UL94 V. Accordingly, it is possible to reduce the cost by replacing the conventional organic flame retardant and improve the layer separation of the adhesive due to the addition of the inorganic flame retardant.
- the water-based flame-retardant adhesive composition may exhibit excellent adhesion and low-temperature stability. Specifically, the adhesive composition exhibits a peel strength of 15 gf/mm or more, or 15 to 50 gf/mm with respect to aluminum during a 180° peel test according to ISO 8510-2. In addition, even after storage at -4°C and -15°C for 1 day, the adhesive composition does not generate lumps due to aggregation.
- the water-based flame-retardant adhesive composition is environmentally friendly, and may be useful in various fields such as construction and industrial use that require excellent flame retardancy, adhesion, and low-temperature stability.
- an article comprising the water-based flame retardant adhesive composition.
- the article may be a construction/industrial adhesive, an adhesive film, a decor sheet, a flooring material, artificial leather, or a toy.
- Polyvinyl chloride in the prepared aqueous polyvinyl chloride emulsion has a Tg of 60°C, an average particle diameter (D[4,3]) of 180 nm, a weight average molecular weight of 75,000 g/mol, and a solid content of 43 in the emulsion. It is weight percent.
- an aqueous VAE emulsion (VINNAPASTM EP 706, manufactured by Wacker Chemie AG, an average particle diameter (D[4,3]) 1 ⁇ m, Tg 5° C.) and an aqueous PVC emulsion prepared in the above Preparation Example were used based on solid content of 70 By mixing at a weight ratio of :30, an aqueous flame-retardant adhesive composition was prepared.
- an aqueous VAE emulsion (VINNAPASTM EP 706, manufactured by Wacker Chemie AG) and the aqueous PVC emulsion prepared in the above Preparation Example were mixed in a weight ratio of 70:30 based on solid content, and the resulting mixture 100 parts by weight As a plasticizer, 20 parts by weight of 1,4-DEHCH were further mixed to prepare an aqueous flame-retardant adhesive composition.
- an aqueous VAE emulsion (VINNAPASTM EP 706, manufactured by Wacker Chemie AG) and an aqueous PVC emulsion prepared in the above Preparation Example were mixed in a weight ratio of 90:10 based on a solid content to prepare an aqueous flame-retardant adhesive composition.
- an aqueous VAE emulsion (VINNAPASTM EP 706, manufactured by Wacker Chemie AG) and the aqueous PVC emulsion prepared in the above Preparation Example were mixed in a weight ratio of 60:40 based on a solid content to prepare an aqueous flame-retardant adhesive composition.
- an aqueous acrylic resin emulsion (WJP-8100FTM, manufactured by Woojin Chem, average particle diameter (D[4,3]) 170 nm, Tg 5°C and weight average molecular weight 120,000 g/mol) and aqueous solution prepared in the above Preparation Example
- the PVC emulsion was mixed in a weight ratio of 70:30 based on solid content to prepare an aqueous flame retardant adhesive composition.
- Example 1 Without mixing the aqueous PVC emulsion, the aqueous VAE emulsion (VINNAPASTM EP 706, manufactured by Wacker Chemie AG) used in Example 1 was used as the adhesive composition.
- An adhesive composition was prepared in the same manner as in Example 2, except that an aqueous PVC emulsion was not used.
- flame retardancy In accordance with UL94 V (Vertical Burning Test) flame retardant regulations, the flame retardancy was measured in a 125 ⁇ 13 ⁇ 1 mm Bar specimen and evaluated according to the criteria shown in Table 1 below.
- V0 V1 V2 Individual combustion time ⁇ 10sec. ⁇ 30sec. ⁇ 30sec. Burning and sparking time after 2nd contact ⁇ 30sec. ⁇ 60sec. ⁇ 60sec. Ignition of cotton wool by dripping No No Yes Flame retardancy evaluation Very good Good Very inferior
- Example 1 Example 2 Example 3
- Example 4 Example 5 Comparative Example 1 Comparative Example 2
- Low temperature stability -4°C usually Great usually Great Great Bad usually -15°C usually usually usually usually usually Great Bad usually
- the adhesive compositions of Examples 1 to 5 in which the aqueous PVC emulsion was mixed with the base resin, contained the same base resin, but compared to the adhesive compositions of Comparative Examples 1 and 2 in which the aqueous PVC emulsion was not added. While exhibiting the above flame retardancy and peel strength, at the same time exhibited greatly improved flame retardancy.
- Example 2 in which a plasticizer was further added to the composition of Example 1, the peel strength was significantly increased compared to Example 1 and Comparative Example 2. From these results, it can be confirmed that the inclusion of a plasticizer can improve adhesion.
- Example 3 in which the content of the aqueous PVC emulsion was reduced compared to Example 1, slightly lowered the flame retardancy improvement effect compared to Example 1, but Comparative Example 1, which did not contain an aqueous PVC emulsion, contained a plasticizer. It exhibited improved flame retardancy compared to Comparative Example 2. In addition, it exhibited a significantly improved effect compared to Comparative Examples 1 and 2 in terms of peel strength, and an improved effect compared to Comparative Example 1 in low-temperature stability.
- Example 4 in which the content of the aqueous PVC emulsion was increased compared to Example 1, showed significantly improved flame retardancy and low-temperature stability compared to Comparative Examples 1 and 2, while the peel strength was somewhat reduced due to the decrease in the content of the base resin. Decreased.
- Example 5 the adhesive composition of Example 5 in which the type of the base resin was different showed remarkably improved low-temperature stability, and the peel strength to metal was also improved.
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Abstract
Description
| V0 | V1 | V2 | |
| 개별연소시간 | ≤10sec. | ≤30sec. | ≤30sec. |
| 2차 접염 후의 연소 및불똥이 맺힌 시간 | ≤30sec. | ≤60sec. | ≤60sec. |
| 적하에 의한 탈지면의 발화 | No | No | Yes |
| 난연성 평가 | 매우 우수 | 양호 | 매우 열세 |
| 실시예1 | 실시예2 | 실시예3 | 실시예4 | 실시예5 | 비교예1 | 비교예2 | ||
| 난연성 | V0 | V0 | V1 | V0 | V1 | V2 | V2 | |
| 박리강도(gf/mm) | Metal(Al) | 23.86 | 25.18 | 44.88 | 25.97 | 17.05 | 25.43 | 15.68 |
| 저온안정성 | -4℃ | 보통 | 우수 | 보통 | 우수 | 우수 | 나쁨 | 보통 |
| -15℃ | 보통 | 보통 | 보통 | 보통 | 우수 | 나쁨 | 보통 | |
Claims (17)
- 베이스 수지; 및수성 폴리염화비닐 에멀젼;을 포함하고,상기 베이스 수지는 비닐아세테이트-에틸렌 공중합체, 아크릴계 수지, 우레탄계 수지, 및 실리콘계 수지로 이루어진 군에서 선택되고,상기 베이스 수지 및 수성 폴리염화비닐 에멀젼은, 고형분 기준으로 90:10 내지 10:90의 중량비로 포함되는, 수성 난연 접착제 조성물.
- 제1항에 있어서,상기 베이스 수지 및 수성 폴리염화비닐 에멀젼은 고형분 기준으로 90:10 내지 60:40의 중량비로 포함되는, 수성 난연 접착제 조성물.
- 제1항에 있어서,상기 베이스 수지는 수성 에멀젼인, 수성 난연 접착제 조성물.
- 제1항에 있어서,상기 수성 폴리염화비닐 에멀젼에서의 폴리염화비닐은 평균 입자 직경(D[4,3])이 100nm 내지 1㎛이고, 중량평균 분자량이 45,000 내지 300,000g/mol인, 수성 난연 접착제 조성물.
- 제1항에 있어서,가소제를 더 포함하는, 수성 난연 접착제 조성물.
- 제5항에 있어서,상기 가소제는 분자내 C 4-10의 알킬기를 2개 포함하는 사이클로헥산 디카르복실레이트계 화합물인, 수성 난연 접착제 조성물.
- 제5항에 있어서,상기 가소제는 디(2-에틸헥실)사이클로헥산-1,4-디카르복실레이트, 디이소노닐사이클로헥산-1,2-디카르복실레이트, 디(2-에틸헥실)사이클로헥산-1,2-디카르복실레이트, 디부틸사이클로헥산-1,4-디카르복실레이트, 또는 이들의 혼합물을 포함하는, 수성 난연 접착제 조성물.
- 제5항에 있어서,상기 가소제는, 고형분 기준으로 상기 베이스 수지와 수성 폴리염화비닐 에멀젼의 혼합물 100중량부에 대하여 10 내지 30중량부로 포함되는, 수성 난연 접착제 조성물.
- 제1항에 있어서,개시제, 저분자량체, 에폭시 수지, 자외선 안정제, 산화 방지제, 조색제, 보강제, 소포제, 가소제, 발포제, 유기염, 증점제 및 난연제로 이루어진 군으로부터 선택되는 첨가제를 추가로 포함하는, 수성 난연 접착제 조성물.
- 제1항에 있어서,상기 수성 난연 접착제 조성물은 UL94 V의 난연 규정에 따른 난연성 평가시 VO 또는 V1의 난연성을 나타내는, 수성 난연 접착제 조성물:
- 제1항에 있어서,상기 수성 난연 접착제 조성물은 ISO 8510-2에 따른 180° 박리시험시, 알루미늄에 대해 15 내지 50 gf/mm의 박리 강도를 나타내는, 수성 난연 접착제 조성물.
- 염화비닐 단량체 단독, 또는 염화비닐 단량체 및 이와 공중합 가능한 공단량체와의 혼합물을, 수성 매체 중에서 유화중합하여, 폴리염화비닐이 수성 매체 중에 분산된 수성 폴리염화비닐 에멀젼을 제조하는 단계; 및상기 수성 폴리염화비닐 에멀젼과 베이스 수지를 고형분 기준으로 10:90 내지 90:10의 중량비로 혼합하는 단계;를 포함하며,상기 베이스 수지는 비닐아세테이트-에틸렌 공중합체, 아크릴계 수지, 우레탄계 수지, 및 실리콘계 수지로 이루어진 군에서 선택되는, 제1항의 수성 난연 접착제 조성물의 제조방법.
- 제12항에 있어서,상기 유화중합은 시드 유화중합에 의해 수행되는, 제조방법.
- 제12항에 있어서,상기 수성 폴리염화비닐 에멀젼과 베이스 수지와의 혼합시, 가소제를 더 첨가하는, 제조방법.
- 제14항에 있어서,상기 가소제는 분자내 C 4-10의 알킬기를 2개 포함하는 사이클로헥산 디카르복실레이트계 화합물인, 제조방법.
- 제1항 내지 제11항 중 어느 한 항에 따른 수성 난연 접착제 조성물을 포함하는 물품.
- 제16항에 있어서,상기 물품은, 접착제, 접착 필름, 데코 시트, 바닥재, 인조 피혁 또는 장난감인, 물품.
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| EP20856359.3A EP4023730A4 (en) | 2019-08-28 | 2020-07-30 | AQUEOUS FLAME-RETARDANT ADHESIVE COMPOSITION AND METHOD FOR PRODUCING THE SAME |
| CN202080060383.5A CN114364762B (zh) | 2019-08-28 | 2020-07-30 | 水性阻燃粘合剂组合物及其制备方法 |
| US17/637,240 US12331220B2 (en) | 2019-08-28 | 2020-07-30 | Aqueous flame retardant adhesive composition and method for preparing the same |
| JP2022510839A JP7323704B2 (ja) | 2019-08-28 | 2020-07-30 | 水性難燃接着剤組成物およびその製造方法 |
| MYPI2022000725A MY199806A (en) | 2019-08-28 | 2020-07-30 | Aqueous flame retadant adhesive composition and method for preparing the same |
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| KR10-2019-0105936 | 2019-08-28 | ||
| KR1020190105936A KR102528325B1 (ko) | 2019-08-28 | 2019-08-28 | 수성 난연 접착제 조성물 및 그 제조방법 |
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| KR (1) | KR102528325B1 (ko) |
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| US20230167338A1 (en) * | 2020-12-29 | 2023-06-01 | Hanwha Solutions Corporation | Aqueous flame retardant adhesive composition and method for preparing same |
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| KR102851987B1 (ko) * | 2021-11-12 | 2025-08-27 | 한화솔루션 주식회사 | 가소제 조성물, 및 이를 포함하는 염화비닐 수지 조성물 |
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- 2020-07-30 MY MYPI2022000725A patent/MY199806A/en unknown
- 2020-07-30 EP EP20856359.3A patent/EP4023730A4/en active Pending
- 2020-07-30 JP JP2022510839A patent/JP7323704B2/ja active Active
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| US12448548B2 (en) * | 2020-12-29 | 2025-10-21 | Hanwha Solutions Corporation | Aqueous flame retardant adhesive composition and method for preparing same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4023730A1 (en) | 2022-07-06 |
| US12331220B2 (en) | 2025-06-17 |
| EP4023730A4 (en) | 2023-09-13 |
| CN114364762A (zh) | 2022-04-15 |
| CN114364762B (zh) | 2023-08-15 |
| JP7323704B2 (ja) | 2023-08-08 |
| US20220298394A1 (en) | 2022-09-22 |
| KR20210025917A (ko) | 2021-03-10 |
| JP2022544821A (ja) | 2022-10-21 |
| KR102528325B1 (ko) | 2023-05-02 |
| MY199806A (en) | 2023-11-23 |
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