WO2020153564A1 - Composition de liant ignifuge pour fabriquer un panneau de particules ecologique fonctionnel, liant ignifuge produit à l'aide de celle-ci, et son procédé de fabrication - Google Patents

Composition de liant ignifuge pour fabriquer un panneau de particules ecologique fonctionnel, liant ignifuge produit à l'aide de celle-ci, et son procédé de fabrication Download PDF

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WO2020153564A1
WO2020153564A1 PCT/KR2019/011143 KR2019011143W WO2020153564A1 WO 2020153564 A1 WO2020153564 A1 WO 2020153564A1 KR 2019011143 W KR2019011143 W KR 2019011143W WO 2020153564 A1 WO2020153564 A1 WO 2020153564A1
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weight
flame
flame retardant
comparative
particle board
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PCT/KR2019/011143
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English (en)
Korean (ko)
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배영호
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(주)영신에프앤에스
배영호
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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
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/166—Compounds of phosphorus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/32—Mixtures of different inorganic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/016—Flame-proofing or flame-retarding additives
    • 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
    • C08K5/0066—Flame-proofing or flame-retarding additives
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/19—Quaternary ammonium compounds
    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/5399—Phosphorus bound to nitrogen
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K2200/00—Wooden materials to be treated
    • B27K2200/15—Pretreated particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K2240/00—Purpose of the treatment
    • B27K2240/30—Fireproofing

Definitions

  • the present invention relates to a flame retardant binder suitable for use in the production of particle boards, a composition used for the production thereof, and a method for manufacturing the same.
  • the particle board (hereinafter referred to as PB), which has been developed in the past, produces wood from solid wood and crushes the remaining waste residues, making them into small pieces, or destroying building waste materials, furniture waste materials, wood by-products, etc. It is a processing material made by mixing with adhesive and pressing at high temperature and pressure.
  • the amount of waste wood used for the manufacture of such PB is 11,260,400 m3, which is 40% of the annual domestic demand for wood (as of 2015) 28,151,000 m3.
  • PB wood chips are generally manufactured by aggregating them into a thermosetting synthetic resin system which is an adhesive bond.
  • formaldehyde emission phenomenon which is atopic skin-causing substance, may occur, and organic volatile organic substances (VOCs) may be released from a binder used to attach sheet paper or film paper to the PB surface, so that As the shortcomings such as the occurrence of fatal toxins emerge, the perception of PB is not very good.
  • PB is made of waste wood, and the strength of the wood itself is poor, and it is often exposed to decay and rain, causing discoloration, abrasion, and cracks. It can be a nuisance.
  • cellulose and hemicellulose which occupy more than 70% of the cell wall, absorb water molecules (H 2 O), or the amount of moisture to be damped depends on the relative humidity and temperature. There is a theory that it can be up to 30%.
  • an object of the present invention is to provide a flame-retardant binder for the production of a functional eco-friendly particle board and a functional eco-friendly particle board using the same.
  • the flame-retardant binder composition for producing a functional eco-friendly particle board of the present invention for solving the above-described problems is a flame retardant; Flame retardant aids; water; And melamine resin.
  • the flame retardant binder composition of the present invention may include 20 to 25% by weight of the flame retardant, 0.5 to 2.0% by weight of the flame retardant aid, 10 to 15% by weight of water, and a residual amount of melamine resin.
  • the flame retardant may include silane-coated polyammonium phosphate and ammonium polyphosphate.
  • the flame retardant may include silane-coated ammonium polyphosphate and ammonium polyphosphate in a volume ratio of 1: 1.5 to 3.0.
  • the flame retardant adjuvant may include one or more selected from ammonium sulfate, ammonium polyphosphate and polyphosphazene.
  • Another object of the present invention relates to a method of manufacturing a flame retardant binder using the flame retardant binder composition, the first step of preparing a flame retardant binder composition having various compositions described above; After mixing the flame-retardant binder composition, a second step of stirring for 10 to 30 minutes at a stirring speed of 800 ⁇ 1,500 rpm to prepare a stirred material; And three steps of aging the stirred material in a dark room at 20 to 35° C. for 6 to 12 hours; to perform a process including a flame retardant binder.
  • Another object of the present invention is to provide a flame-retardant binder comprising an aged product of a mixture of flame-retardant binder compositions of various compositions described above.
  • another object of the present invention is to provide a particle board comprising a heat-pressed coating of a coating infiltrating a particle chip (particle chip) with the flame-retardant binder.
  • the eco-friendly functional particle board (PB) manufactured using the flame retardant binder of the present invention is complementary in strength when compared with the PB produced using a conventional melamine binder resin, resulting in fine dust and dust generated when the PB is broken during construction. It has the advantage of improving productivity due to the comfortable construction environment, and it is possible to efficiently prevent or minimize odor, bacteria, and mold propagation caused by damage due to the inside of the PB chip rot due to moisture absorption of PB, and furthermore, antibacterial, sterilization, and deodorization It has a synergistic effect.
  • 1A is a photograph of a particle chip pulverizer for PB production of the present invention
  • B is a PB dryer
  • C is a dry state in a dryer
  • D is a PB cutting machine
  • E is a PB coating machine.
  • binder resins are used for adhesion of particle chips during PB production.
  • Urea resins, melamine resins (or urea melamine resins) and phenol resins are used as the binder resins.
  • the melamine resin when the melamine resin is cured, it forms a colorless and transparent film, so it is widely used in the manufacture of floorboards, furniture members, cosmetic veneers at the time of manufacture, low pressure melamine, high pressure melamine, high pressure laminates, overlay paper, shape paper, and back paper. have.
  • the film or coating formed by curing the melamine resin is strong in water resistance, heat resistance, and chemical resistance.
  • melamine resin is colorless, transparent and hard, it is frequently used as a floorboard, roofboard, inner wall material, crosslinking agent, and PB adhesive.
  • PB is somewhat different depending on the formaldehyde emission amount depending on u-type PB, M-type PB, and P-type PB, but is generally defined as 5 mg/L or less based on the formaldehyde emission at the time of shipment.
  • the present invention is a flame-retardant binder composition (hereinafter referred to as "composition") for the production of functional eco-friendly particle board (particle board, PB) can be used one or more selected from urea resin, melamine resin and phenol resin as an adhesive resin, preferably Melamine resin can be used.
  • the composition of the present invention may include a flame retardant and a flame retardant aid to impart flame retardancy to PB.
  • a general wood flame retardant used in the art may be used, but preferably, one or more selected from silane-coated polyammonium phosphate and ammonium polyphosphate (water-soluble APP) may be used.
  • Ammonium polyphosphate (water-soluble APP) has an excellent effect of removing odors of metal ions, and has excellent dispersion and crystal formation prevention effects. It has a function of preventing precipitation of poorly soluble substances as crystals and preventing pH changes.
  • ammonium polyphosphate is a problem in water resistance and may cause a problem of bleed when placed under high temperature and high humidity conditions.
  • due to the lack of heat resistance it melts well around 90 ⁇ 110°C, and there is no adhesiveness and solution viscosity.
  • the melamine-based compound is coated on the surface of the powder of ammonium polyphosphate, the specific gravity is large and the lower precipitate is good, and the dispersibility is not good and the stickiness is poor.
  • ammonium polyphosphate coated (coated) with silane has good dispersibility and sedimentability, and can increase the bonding force between particle chips.
  • the optimum composition ratio for using two types of silane-coated ammonium phosphate and ammonium phosphate as flame retardants is 1: 1.5 to 3.0 volume ratio of silane-coated polyammonium ammonium and ammonium polyphosphate, preferably 1: 1.8 to 2.5 volume ratio , More preferably, it is better to use in a mixture of 1: 1.8 ⁇ 2.2 volume ratio.
  • the silane-coated polyammonium phosphate in the composition is relatively too large, so the flame retardancy may decrease, and if the ammonium polyphosphate is used in an excess of 3.0 volume ratio, the silane The use amount of the coated ammonium phosphate is relatively low, so the mechanical properties of the PB may be lower than when the silane coated polyammonium phosphate is used in an appropriate amount.
  • the appropriate content of the flame retardant in the composition of the present invention is 20 to 25% by weight, preferably 21.5 to 25% by weight, more preferably 22.5 to 24.5% by weight of the total weight of the composition.
  • the flame retardant content is less than 20% by weight, proper flame retardancy and flame retardancy may not be secured, and when it is used in excess of 25% by weight, permeability to the particle chip of the binder resin prepared with the composition of the present invention due to excessive use, etc. It may be a problem that other physical properties such as the mechanical properties of the PB fall off, so it is preferable to use within the above range.
  • the composition of the present invention may further include a flame retardant aid in addition to the flame retardant.
  • a flame retardant adjuvant one or more selected from ammonium sulfate ((NH 4 ) 2 SO 4 ), ammonium polyphosphate and polyphosphazene may be used, preferably one or more selected from ammonium sulfate and ammonium polyphosphate, more Preferably, ammonium sulfate can be used.
  • the flame retardant auxiliary agent is mixed with an additive containing sulfur, preferably, it is produced by thermal decomposition during combustion to produce polymetaphosphoric acid, which is formed by dehydration when the protective layer is formed and when polymetaphosphoric acid is produced.
  • the carbon film to be blocked can block oxygen to impart high flame retardancy (flame resistance).
  • the content of the flame retardant adjuvant in the composition of the present invention is preferably 0.5 to 2.0 wt%, preferably 0.6 to 1.6 wt%, more preferably 0.75 to 1.40 wt%, wherein the flame retardant adjuvant content is less than 0.5 wt%. Since the amount of use is too small, there may be no additional flame retardant improvement effect due to the use of a flame retardant auxiliary agent, and even when used in excess of 2.0% by weight, there is no longer any flame retardant effect, and it is recommended to use it within the above range.
  • the water is used for mixing between the adhesive resin of the flame retardant binder and other compositions and securing an appropriate viscosity of the binder, 10 to 15% by weight, preferably 10 to 13.5% by weight, more preferably Preferably, it is preferable to use 10.2 to 12.5% by weight, and in this case, if the water content is less than 10% by weight, there may be a problem that mixing between the compositions is not good, and if it exceeds 15% by weight, the moisture content in the prepared flame retardant binder Due to this increase, the drying time becomes long and the mixture of the composition does not ripen well, so there may be a problem that the physical properties of the PB made of the flame retardant binder are poor.
  • PB is a processed material made by crushing waste wood, building waste materials, furniture waste materials, wood by-products, etc., and mixing them with small adhesives and compressing them at high temperature and high pressure to reduce combustion heat by endothermic reaction during combustion or by thermal decomposition.
  • a reaction such as dehydration proceeds, a large amount of harmful smoke (gas) is generated, and it is very likely that the smoke density is high.
  • the composition of the present invention may further include an inhibitor to suppress the generation of harmful smoke (gas).
  • a general inhibitor used in the art may be used as the inhibitor, and preferably, crystals prepared by processing two or three selected from boric acid, zinc carbonate, and magnesium hydroxide (Mg(OH)2) It can be used as an inhibitor, more preferably boric acid (H 3 BO 3 ), zinc carbonate (ZnCO 3 ) and magnesium hydroxide in a ratio of 1: 2.5 to 5: 1.0 to 2.5 by weight ratio, more preferably For example, crystals prepared by processing boric acid, zinc carbonate, and magnesium hydroxide in a weight ratio of 1: 3.0 to 4.5: 1.4 to 2.0 can be used as an inhibitor.
  • boric acid H 3 BO 3
  • ZnCO 3 zinc carbonate
  • crystals prepared by processing boric acid, zinc carbonate, and magnesium hydroxide in a weight ratio of 1: 3.0 to 4.5: 1.4 to 2.0 can be used as an inhibitor.
  • the boric acid in the retardant component dissolves well in hot water, represents a weak acid, and has a weak sterilizing action and antiseptic properties. Due to its bactericidal properties, it has a natural insect repellent function, inhibits mold growth, and has high resistance to termites. Therefore, when using the inhibitor, it is possible to increase not only the smoke of PB, but also flame retardancy, antiseptic, antifungal, and termite resistance. At this time, when the zinc carbonate and magnesium hydroxide are out of the weight ratio range, the depressurization effect may be relatively reduced when compared to the case in which they are used within the weight range.
  • the step of preparing the saturated aqueous solution of boric acid by dissolving boric acid in water After heating the saturated aqueous boric acid solution, two or more steps of dissolving one or two selected from zinc carbonate and magnesium hydroxide in the heated saturated aqueous boric acid solution, followed by boiling; And after cooling and filtration, drying the filtrate to obtain white crystals; and may be prepared by performing a process including the process.
  • boric acid The amount of boric acid, zinc carbonate, and magnesium hydroxide is preferred to satisfy the weight ratio between these components.
  • the content of the inhibitor in the composition of the present invention can be used in 0.1 to 5.0% by weight, preferably 0.5 to 2.5% by weight, more preferably 0.6 to 1.0% by weight. At this time, if the content of the inhibitor is less than 0.1% by weight, the amount of the used amount is too small to prevent the smoking effect, and when it is used in excess of 5.0% by weight, there is a problem that other physical properties of PB are lowered due to a decrease in compatibility with other compositions. It can be.
  • the PB consists of waste residues after veneer production, waste residues from lumber, chips for pulp, wood sawdust, various sawdust, waste residues after woodworking, waste residues after construction of a wooden furniture house, and waste residues from an apartment sample house.
  • the composition of the present invention may further include a strength modifier to exert tensile strength reinforcement, water resistance, moisture resistance, and antiseptic functions by coating a portion where the strength of particle chips is weakened.
  • a mixed powder of a mixture of aerogels and pyrite may be used, preferably a mixture of aerogels and pyrite at a weight ratio of 1: 0.40 to 1.00, more preferably a mixture of aerogels and pyrite at a weight ratio of 1: 0.60 to 0.85.
  • Mixed powder can be used.
  • the aerogel is a highly porous nanostructure having a specific surface area of 600 to 1,500 m 2 /g, and is composed of nanoparticles having a size of 1 to 50 nm, and has a porous structure, so it has excellent thermal insulation properties, so that it has excellent insulation, sound insulation, and shock absorption This is excellent and can prevent cracking, and the strength is increased by mixing with pyrite.
  • the airgel increases adhesion and improves adhesion between particle chip pieces, flat tensile strength, and prevents thermal deformation and improves long-term deformation by load.
  • Pyrite is rich in fat, and has the characteristics of being a refractory and filling material and mixing well with aerogels.
  • the content of the strength modifier in the composition of the present invention can be used in 0.3 to 1.2% by weight, preferably 0.5 to 1.0% by weight, more preferably 0.60 to 0.80% by weight. At this time, if the content of the strength modifier is less than 0.3% by weight, the amount of use is too small to see the effect of improving the mechanical strength of the PB. There may be a problem.
  • the composition of the present invention may further include a desiccant.
  • a desiccant a general desiccant used in the art can be used, and preferably, a liquid paraffin wax can be used.
  • the liquid paraffin wax can penetrate the particle chip or be coated on the surface to improve the moisture resistance of the PB, and the liquid paraffin wax delays the water content and dimensional change without changing the function of the PB, and improves water resistance and moisture resistance. I can do it.
  • the content of the desiccant in the composition of the present invention may be 0.5 to 2.0% by weight, preferably 0.5 to 1.6% by weight, more preferably 0.7 to 1.0% by weight.
  • the content of the desiccant is less than 0.5% by weight, the amount of use is too small to see the effect of improving the water resistance and moisture resistance of the PB, and when it is used in excess of 2.0% by weight, the viscosity of the flame retardant binder prepared using the composition increases too much Therefore, it is preferable to use within the above range, since the mixing property with the particle chip is poor, and the penetrability of the binder to the particle chip may be deteriorated.
  • composition of the present invention may further include an antibacterial agent to impart antibacterial, antifungal, antiseptic, and deodorant properties of PB.
  • the antibacterial agent may include at least one selected from organic antibacterial agents and inorganic antibacterial agents, and it is preferable to use an inorganic antibacterial agent.
  • the inorganic antibacterial agent includes silver (Ag) nanoparticles and titanium dioxide (TiO 2 ) nanoparticles in a mixed nanopowder containing a weight ratio of 1: 0.5 to 1.0, preferably silver (Ag) nanoparticles and titanium dioxide ( TiO 2 ) It is better to use a mixed nano powder containing nanoparticles in a weight ratio of 1: 0.75 to 1.00.
  • Silver (Ag) nanoparticles have not only strong antibacterial and sterilizing power, but are also used as antibiotics in a wide range of fields such as odor removal, formaldehyde (CH 2 O) and VOCs removal, far infrared and anion release, and mixed use with titanium dioxide nanoparticles.
  • odor removal formaldehyde (CH 2 O) and VOCs removal
  • far infrared and anion release and mixed use with titanium dioxide nanoparticles.
  • the content of the antimicrobial agent in the composition of the present invention may include 1.0 to 3.0% by weight of the total weight of the composition, preferably 1.5 to 2.7% by weight, more preferably 1.70 to 2.20% by weight, wherein If the content of the antibacterial agent is less than 1.0% by weight, the antibacterial effect may be insufficient, and even if it is used in excess of 3.0% by weight, there is no further increase in the antibacterial effect, which is uneconomical.
  • the flame-retardant binder prepared with the composition of the present invention may be hydrophobic and non-polar, the bonding strength with the hydrophilic particle chip may be deteriorated. Accordingly, in order to improve chemical bonding between the flame retardant binder and the particle chip, the composition of the present invention may further include a coupling agent. Due to the introduction of the coupling agent, it is possible to increase the bending strength and elastic modulus, stabilize the dimension, and increase the impact strength. And, as the coupling agent, it is preferable to use an acrylic phosphate coupling agent, the content of which is 0.3 to 1.2% by weight of the total weight of the composition, preferably 0.5 to 1.2% by weight, more preferably 0.65 to 1.0% by weight %.
  • the content of the coupling agent is less than 0.5% by weight, the effect of increasing the physical properties due to the use of the coupling agent may be inadequate, and when it exceeds 1.2% by weight, the viscosity of the flame retardant binder increases, but rather, the mixing property and permeability with particle chips It is recommended to use it within the above range since there may be a problem of falling and poor flame retardancy of PB.
  • the composition of the present invention is a preservative to prevent the occurrence of mold, which decays, pests, or termite particle chips by effectively inhibiting the occurrence of moss, microorganisms, etc. due to corrosion or decay of the PB inside or the surface due to the penetration of moisture. It may further include.
  • a preservative one or more types selected from organic preservatives and inorganic preservatives may be used, preferably an inorganic preservative, and more preferably copper sulfate (CuSO 4 ), an inorganic preservative.
  • the content of the preservative in the composition of the present invention may be 0.05 to 1.2% by weight of the total weight of the composition, preferably 0.50 to 1.20% by weight, more preferably 0.70 to 1.15% by weight.
  • the preservative content is less than 0.05% by weight, the amount of the preservative may be too small to show the antiseptic effect, and when it is used in excess of 1.2% by weight, the antiseptic effect is excellent, but the penetration effect of the flame retardant binder to the particle chip is reduced. There may be a problem that the mechanical properties of PB decrease.
  • the composition of the present invention may further include a penetrant so that the flame-retardant binder permeates the particle chip evenly.
  • a penetrating agent a general penetrating component used in the art may be used, and anionic alkyl succinate may be preferably used.
  • the amount of the penetrant used may be 0.2 to 1.0% by weight, preferably 0.4 to 1.0% by weight, and more preferably 0.65 to 1.00% by weight of the total weight of the composition.
  • the amount of the penetrant used is less than 0.2% by weight, the amount of the used agent may be too small to see the effect of using it, and even if it is used in excess of 1.0% by weight, there may be no effect of improving the physical properties of PB, which may be uneconomical. It is good to use within the above range.
  • a flame retardant binder may be prepared through the following method.
  • the flame-retardant binder of the present invention comprises the first step of preparing a composition of various compositions described above; After mixing the composition, the second step of preparing a stirring material; And three steps of aging the stirred material; to perform a process including a flame retardant binder.
  • step 1 The composition of step 1 is as described above.
  • the stirring material of the second stage may be prepared by stirring the composition of the first stage at a stirring speed of 800 to 1,500 rpm for 10 to 30 minutes, and preferably for 15 to 25 minutes at a stirring speed of 1,000 to 1,350 rpm. At this time, if the stirring speed is less than 800 rpm, the composition components may not be well dissolved, and if the stirring speed exceeds 1,500 rpm, foaming may occur. And, the stirring time is a relative appropriate stirring time according to the stirring speed.
  • step 3 is a step of aging the stirred well stirred under sufficient conditions, the aging for 6 to 12 hours in a dark room at 20 °C ⁇ 35 °C, preferably 7 ⁇ 10 in a dark room at 20 °C ⁇ 30 °C
  • the flame-retardant binder of the present invention can be prepared by allowing it to stand for a period of time and aged.
  • the flame-retardant binder of the present invention prepared as described above can be applied to a particle chip to produce PB, and in one preferred embodiment, the particle chip is introduced into an automatic mixing coating machine, and then the flame-retardant binder is introduced and mixed to flame retardancy.
  • the input amount of the flame retardant binder may be 32.5 to 48.7 parts by weight of the composition, preferably 35.0 to 45.0 parts by weight, and more preferably 37 to 43 parts by weight based on 100 parts by weight of particle chips.
  • the particle chip may not be sufficiently penetrated and coated, so the physical properties of the PB may not be good, and if the amount of the flame retardant binder exceeds 48.7 parts by weight, the PB properties are poor due to excessive use. There may be.
  • the coating of the first step is put into a thermopress press having a top plate temperature of 100°C to 120°C and a bottom plate temperature of 110°C to 155°C to perform thermal compression at 60 to 80 kgf/cm 2 for 5 to 10 minutes. Can be done.
  • thermocompression After the thermocompression is completed, it can be dried at room temperature (18°C to 35°C) for 1 to 3 days to produce a functional eco-friendly particle board of the present invention.
  • a flame retardant was prepared by mixing with a silane-coated ammonium polyphosphate and ammonium polyphosphate (water-soluble APP) in a 1:2 volume ratio.
  • a flame retardant was prepared in the same manner as in Preparation Example 1, but a flame retardant was prepared by mixing and stirring the silane-coated ammonium polyphosphate and ammonium polyphosphate to have a composition ratio as shown in Table 1 below.
  • Boric acid solution was prepared by adding 3 g of boric acid to a beaker filled with 50 mL of water and heating and stirring at 95° C. for 30 minutes to form a saturated solution.
  • a mixed nanopowder was prepared comprising silver (Ag) nanoparticles and titanium dioxide (TiO 2 ) nanoparticles in a weight ratio of 1: 0.87.
  • An antimicrobial agent was prepared in the same manner as in Preparation Example 3-1, but silver nanoparticles and titanium dioxide nanoparticles were mixed to have a composition ratio as shown in Table 3, respectively, to prepare a mixed nanopowder (antibacterial agent).
  • a mixed powder was prepared by mixing aerogel (Talc) and pyrite having a specific surface area of 600 to 1,500 m 2 /g and a size of 1 to 50 nm at a weight ratio of 1: 0.78 to prepare a strength enhancer.
  • Example 1 Preparation of a flame-retardant binder for manufacturing functional eco-friendly particle board
  • the stirred material was left to stand for 8 hours in a dark room at 22 to 23°C, and aged to prepare a flame retardant binder.
  • melamine resin containing 0.1% by weight of residual formaldehyde, manufactured by Solar Synthetic Corporation
  • a flame retardant binder was prepared in the same manner as in Example 1, but a flame retardant binder was prepared by varying the amount of the flame retardant or the flame retardant auxiliary agent, and Examples 4 to 5 and Comparative Examples 4 to 7 were performed as shown in Table 5 below.
  • Example 1 Example 2
  • Example 3 Comparative Example 2 Comparative Example 3 water 10.830 10.830 10.830 10.830
  • Flame retardant Preparation Example 1-1 23.364 - - - - Preparation Example 1-2 - 23.364 - - - Preparation Example 1-3 - - 23.364 - - Comparative Preparation Example 1-1 - - - - 23.364 - Comparative Preparation Example 1-2 - - - - 23.364 Flame retardant aid Ammonium sulfate 1.011 1.011 1.011 1.011 1.011 1.011 Inhibitor Preparation Example 2-1 0.722 0.722 0.722 0.722 0.722 0.722 Preparation Example 2-2 - - - - - Preparation Example 2-3 - - - - - - Comparative Preparation Example 2-1 - - - - - Comparative Preparation Example 2-2 - - - - - Comparative
  • Example 4 Example 5 Comparative Example 4 Comparative Example 5 Comparative Example 6 Comparative Example 7 water 10.830 10.830 10.830 10.830 10.830 10.830 Flame retardant Preparation Example 1-1 21.580 24.475 18.822 27.050 23.364 23.364 Flame retardant aid Ammonium sulfate 1.011 1.011 1.011 0.38 2.510 Inhibitor Preparation Example 2-1 0.722 0.722 0.722 0.722 0.722 0.722 0.722 0.722 Antibacterial Preparation Example 3-1 2.120 2.120 2.120 2.120 2.120 2.120 Strength enhancer Preparation Example 4-1 0.722 0.722 0.722 0.722 0.722 0.722 0.722 0.722 Desiccant Paraffin wax 0.800 0.800 0.800 0.800 0.800 0.800 0.800 0.800 Coupling agent Acrylic phosphate coupling agent 0.870 0.870 0.870 0.870 antiseptic Copper sulfate 1.011 1.011 1.011 1.011 1.011 1.011 1.011
  • a flame retardant binder was prepared in the same manner as in Example 1, but instead of the flame retardant of Preparation Example 1-1 as a flame retardant, Preparation Examples 2-2 to 2-3 and Comparative Preparation Examples 2-1 to 2-3 as shown in Table 6 below.
  • Each of the flame retardant binders was prepared using a flame retardant, and Examples 6 to 7 and Comparative Examples 8 to 10 were performed, respectively.
  • Example 6 Example 7 Comparative Example 8 Comparative Example 9 Comparative Example 10 water 10.830 10.830 10.830 10.830 Flame retardant Preparation Example 1-1 23.364 23.364 23.364 23.364 Flame retardant aid Ammonium sulfate 1.011 1.011 1.011 1.011 Inhibitor Preparation Example 2-1 - - - - Preparation Example 2-2 0.722 - - - - Preparation Example 2-3 - 0.722 - - - Comparative Preparation Example 2-1 - - 0.722 - - Comparative Preparation Example 2-2 - - - 0.722 - Comparative Preparation Example 2-3 - - - - 0.722 Antibacterial Preparation Example 3-1 2.120 2.120 2.120 2.120 Strength enhancer Preparation Example 4-1 0.722 0.722 0.722 0.722 0.722 0.722 0.722 Desiccant Paraffin wax 0.800 0.800 0.800 0.800 0.800 0.800 0.800 0.800
  • a flame-retardant binder was prepared in the same manner as in Example 1, but a flame-retardant binder was prepared by using different strength reinforcing agents and penetrants as shown in Table 7 below, and Examples 8 to 9 and Comparative Examples 11 to 14 were performed, respectively.
  • Comparative Example 13 was prepared in the same composition and composition ratio as Example 1, but only pewter stone was used without using an airgel as a strength modifier.
  • Example 9 Comparative Example 11 Comparative Example 12 Comparative Example 13 Comparative Example 14 water 10.830 10.830 10.830 10.830 10.830 Flame retardant Preparation Example 1-1 23.364 23.364 23.364 23.364 23.364 Flame retardant aid Ammonium sulfate 1.011 1.011 1.011 1.011 1.011 Inhibitor Preparation Example 2-1 0.722 0.722 0.722 0.722 0.722 0.722 0.722 Antibacterial Preparation Example 3-1 2.120 2.120 2.120 2.120 2.120 2.120 Strength enhancer Preparation Example 4-1 0.353 1.000 0.127 1.400 0.722 0.722 Desiccant Paraffin wax 0.800 0.800 0.800 0.800 0.800 0.800 0.800 Coupling agent Acrylic phosphate coupling agent 0.870 0.870 0.870 0.870 antiseptic Copper sulfate 1.011 1.011 1.011 1.011 1.011 1.011 Penetrant Alkyl
  • Particle (particle) chip (chip) was put into an automatic mixing coating machine, and about 100 minutes by weight of the particle chip, 40 parts by weight of the binder prepared in Example 1 was injected to coat the mixture for about 10 minutes to be a mixed penetration coating.
  • the coated coating was placed in a hot plate press having a top plate temperature of 110°C and a bottom plate temperature of 145°C, and heat-pressed at 50 kgf/cm 2 for 5 minutes. Next, the thermocompressed material was put in a dryer and dried at room temperature (22 to 25°C) for 3 days to produce a functional eco-friendly PB.
  • FIGS. 1A to E Manufacturing facilities used to manufacture the PB are shown in FIGS. 1A to E.
  • A represents the pulverizer of the material for PB production of the present invention
  • B represents the dryer
  • C represents the dry state in the dryer
  • D represents the cutting machine of PB
  • E represents the PB coating machine.
  • PB was prepared in the same manner as in Preparation Example 1, but PB was prepared by using the binder (product of Solar Synthesis) of Comparative Example 1 instead of Example 1 as a functional binder.
  • PB was prepared in the same manner as in Production Example 1, but instead of Example 1 as a binder, PB was prepared using each of the flame retardant binders of Examples 2 to 9 or Comparative Preparation Examples 2 to 14, thereby preparing Examples 2 to 9 And Comparative Preparation Examples 2 to 14, respectively (see Table 8).
  • the antimicrobial properties of PBs prepared in the above-mentioned Preparation Examples and Comparative Preparation Examples were measured by requesting to the Korea Institute for Construction and Living Environment Testing, and the antibacterial properties were tested for KCL-FiR-1003;2011.
  • the decrease in the slime mold of Comparative Preparation Example 1 was 99.9% for all of E. coli, Staphylococcus aureus, and pneumococcus, and the functional eco-friendly PB of the present invention was also measured for almost the same antimicrobial activity as E. coli 99.9%, Staphylococcus aureus 99.9%, and Pneumococcus 99.9%. The results were shown), and the results were almost the same as in Comparative Production Example 1.
  • formaldehyde emission standards and eco-friendly material standards are set as follows to regulate the regulations, and the standards are shown in Table 10 below.
  • the mold resistance and resistance of the PB prepared in the above-mentioned Preparation Examples and Comparative Manufacturing Examples were measured by requesting to the Korea Institute for Construction and Living Environment Testing, and the mold resistance was applied according to ASTM G21-15 and the mold resistance according to ASTM D6329-98 (2015). Tested.
  • the mold resistance of Comparative Production Example 1 was excellent in the 0 grade, and the mold resistance was found to be 1.0 or less.
  • PB of Preparation Example 1 also exhibited excellent results with mold resistance of 0 grade and mold resistance of 1.0 or less.
  • the standard value of the mold resistance grade is 0 to 4.
  • Comparative Production Example 1 showed excellent mold resistance and resistance without a separate antibacterial agent, due to the high concentration of formaldehyde remaining in the binder used in the PB production of Comparative Production Example 1 as in the Experimental Example 1 antibacterial activity test. It is judged.
  • Comparative Production Example 6 which was prepared with a binder using less than 0.5% by weight of a flame retardant aid, when compared with Preparation Example 1, it showed a problem of reduced flame retardancy, and the flame retardant aid was prepared with a binder using more than 2.0% by weight.
  • Comparative Production Example 7 when compared with Production Example 1, it showed a result without the flame retardancy increasing effect.
  • PB of Comparative Production Example 8 which was prepared by using a binder using a zinc carbonate less than 2.5 weight ratio compared to boric acid, is satisfactory when compared with Preparation Example 1 and Production Example 6, but the pass criterion is satisfied. Smoke density increased rapidly.
  • PB of Comparative Production Example 9 which was prepared with a binder using magnesium hydroxide in an amount of less than 0.5 weight ratio compared to boric acid, had a very high smoke density for radiant heat and a smoke density for direct heat exceeding a reference value.
  • Removal rate (%) ⁇ (Measured value of Comparative Production Example 1-Sample measured value)/(Measured value of Comparative Production Example 1) ⁇ ⁇ 100(%)
  • Comparative Preparation Example 3 manufactured with a binder having a relatively high proportion of ammonium polyphosphate in the flame retardant of the binder, showed a slightly reduced formaldehyde removal rate than Preparation Example 1. However, all of Comparative Production Examples 2 to 3 showed excellent TVOC, toluene and formaldehyde removal rates overall.
  • Comparative Preparation Example 13 using a binder composed of only lead stone as a strength modifier and Comparative Preparation Example 14 prepared with a binder using less than 0.2% by weight of a penetrant TVOC removal rate and formaldehyde removal rate compared to Production Example 1, etc. This showed a significantly decreasing problem.
  • Relative tensile strength reduction rate (%) ⁇ (planar tensile strength of manufacturing example 1-plane tensile strength of sample)/(planar tensile strength of manufacturing example 1) ⁇ ⁇ 100(%)
  • Equation 2 the flat tensile strength of Preparation Example 1 was 1.1 MPa.
  • planar tensile strength test is a measure of the characteristics of the particle board when it is stressed, and applies a tensile force uniformly distributed on the surface of the target to measure the force perpendicular to the outermost surface of the specimen until fracture occurs. It means vertical tensile test to be measured.
  • the legal reference value of PB was 0.4 MPa or more, and the manufacturing example 1 having a flat tensile strength of 1.1 MPa showed a result of about 2.75 times higher than the legal reference value.
  • Comparative Preparation Example 13 using a binder composed of only lead stone as a strength reinforcing agent, it increased slightly compared to Production Example 1, but considering the reduction effect of TVOC and the like (see Table 15), airgel was mixed with lead stone as a reinforcing agent. It was confirmed that doing so is advantageous in terms of overall physical properties.
  • Comparative Preparation Example 14 which was prepared with a binder using less than 0.2% by weight of the penetrant, it was confirmed that there is a problem that the plane tensile strength is reduced by 4% or more when compared with Preparation Example 1.
  • the flame-retardant binder composition of the present invention and the flame-retardant binder prepared therefrom have excellent antibacterial, anti-fungal, bactericidal, deodorizing, tensile, bursting, and flexural strength, and emits formaldehyde, etc. As well as preventing and/or minimizing, it was confirmed that it is suitable for manufacturing on a particle board having excellent flame retardancy.

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Abstract

La présente invention concerne : une composition de liant ignifuge pour fabriquer un panneau de particules; et un panneau de particules écologique fonctionnel utilisant un liant produit à l'aide de ladite composition de liant ignifuge. Plus spécifiquement, la présente invention concerne : un liant ignifuge qui est utilisé pour fabriquer un panneau de particules et qui présente des propriétés antimicrobiennes, antifongiques, stérilisantes et désodorisantes ainsi qu'une résistance à la traction, une résistance à la rupture et une résistance à la flexion suffisantes, tout en améliorant significativement l'ininflammabilité du panneau de particules, l'émission de formaldéhyde et similaire étant empêchée et/ou minimisée; et un panneau de particules écologique fonctionnel fabriqué à l'aide du liant ignifuge.
PCT/KR2019/011143 2019-01-25 2019-08-30 Composition de liant ignifuge pour fabriquer un panneau de particules ecologique fonctionnel, liant ignifuge produit à l'aide de celle-ci, et son procédé de fabrication WO2020153564A1 (fr)

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KR102010557B1 (ko) * 2019-01-25 2019-08-14 (주)영신에프앤에스 기능성 친환경 파티클 보드 제조용 난연성 바인더 조성물, 이를 이용하여 제조한 난연성 바인더 및 이의 제조방법

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JP2000063842A (ja) * 1998-07-06 2000-02-29 Degussa Huels Ag 表面変性防火剤、その製法及びその使用
JP2005212342A (ja) * 2004-01-30 2005-08-11 Miyagi Prefecture 改質木質ボード及びその製造方法
JP2012139847A (ja) * 2010-12-28 2012-07-26 Tanji Ringyo Kk 木質系成形体およびその製造方法
KR101604217B1 (ko) * 2015-12-26 2016-03-21 김금환 난연성과 방습성이 향상된 목재보드 및 그 제조방법
KR101858939B1 (ko) * 2018-03-20 2018-06-27 이종현 접착성이 향상된 마루바닥재의 제조방법
KR102010557B1 (ko) * 2019-01-25 2019-08-14 (주)영신에프앤에스 기능성 친환경 파티클 보드 제조용 난연성 바인더 조성물, 이를 이용하여 제조한 난연성 바인더 및 이의 제조방법

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KR20130074504A (ko) 2011-12-26 2013-07-04 동화홀딩스 주식회사 포름알데히드의 방산이 억제된 파티클 보드용 친환경 페놀수지의 제조방법

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JP2000063842A (ja) * 1998-07-06 2000-02-29 Degussa Huels Ag 表面変性防火剤、その製法及びその使用
JP2005212342A (ja) * 2004-01-30 2005-08-11 Miyagi Prefecture 改質木質ボード及びその製造方法
JP2012139847A (ja) * 2010-12-28 2012-07-26 Tanji Ringyo Kk 木質系成形体およびその製造方法
KR101604217B1 (ko) * 2015-12-26 2016-03-21 김금환 난연성과 방습성이 향상된 목재보드 및 그 제조방법
KR101858939B1 (ko) * 2018-03-20 2018-06-27 이종현 접착성이 향상된 마루바닥재의 제조방법
KR102010557B1 (ko) * 2019-01-25 2019-08-14 (주)영신에프앤에스 기능성 친환경 파티클 보드 제조용 난연성 바인더 조성물, 이를 이용하여 제조한 난연성 바인더 및 이의 제조방법

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