WO2020153562A1 - Composition de liant antimicrobien et antifongique pour la fabrication d'une planche de particules écologique fonctionnelle, liant antimicrobien et antifongique préparé à l'aide de celle-ci et son procédé de préparation - Google Patents

Composition de liant antimicrobien et antifongique pour la fabrication d'une planche de particules écologique fonctionnelle, liant antimicrobien et antifongique préparé à l'aide de celle-ci et son procédé de préparation Download PDF

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WO2020153562A1
WO2020153562A1 PCT/KR2019/011141 KR2019011141W WO2020153562A1 WO 2020153562 A1 WO2020153562 A1 WO 2020153562A1 KR 2019011141 W KR2019011141 W KR 2019011141W WO 2020153562 A1 WO2020153562 A1 WO 2020153562A1
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weight
antifungal
comparative
binder
antibacterial
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PCT/KR2019/011141
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English (en)
Korean (ko)
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배영호
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(주)영신에프앤에스
배영호
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Publication of WO2020153562A1 publication Critical patent/WO2020153562A1/fr

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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
    • B27K3/32—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
    • C08K3/015—Biocides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • B27K2240/20—Removing fungi, molds or insects
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide

Definitions

  • the present invention relates to an antimicrobial and antifungal binder suitable for use in the production of particle boards, a composition used for the preparation 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 production 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 an antibacterial and antifungal binder for the production of a functional eco-friendly particle board and a functional eco-friendly particle board using the same.
  • An antibacterial and antifungal binder composition for producing a functional eco-friendly particle board of the present invention for solving the above-described problems is an antibacterial agent; water; And melamine resin.
  • the antibacterial agent may include silver (Ag) nanoparticles and titanium dioxide (TiO 2 ) nanoparticles.
  • the antibacterial agent may include silver nanoparticles and titanium dioxide nanoparticles in a weight ratio of 1:0.5 to 1.0.
  • the antimicrobial and antifungal binder composition of the present invention may include 1.0 to 3.0% by weight of the antibacterial agent, 10 to 15% by weight of water, and a residual amount of melamine resin.
  • the antibacterial and antifungal binder composition of the present invention may further include a flame retardant.
  • the antibacterial and antifungal binder composition of the present invention may further include a flame retardant aid.
  • the antimicrobial and antifungal binder composition of the present invention may further include an inhibitor.
  • the antibacterial and antifungal binder composition may further include a strength modifier.
  • the antibacterial and antifungal binder composition of the present invention may further include a desiccant.
  • the antibacterial and antifungal binder composition of the present invention may further include a coupling agent.
  • the antibacterial and antifungal binder composition of the present invention may further include a preservative.
  • the antibacterial and antifungal binder composition of the present invention may further include a penetrant.
  • the flame retardant may include silane-coated ammonium and ammonium polyphosphate.
  • the flame retardant may include silane-coated ammonium 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.
  • the antibacterial and antifungal binder compositions of the present invention are 1.0 to 3.0% by weight of an antibacterial agent, 20 to 25% by weight of a flame retardant, 0.5 to 2.0% by weight of a flame retardant, 0.5 to 5.0% by weight of a retardant, Strength reinforcement agent 0.3 ⁇ 1.2% by weight, desiccant 0.5 ⁇ 2.0% by weight, coupling agent 0.3 ⁇ 1.2% by weight, preservatives 0.05 ⁇ 1.2% by weight, penetrant 0.2 ⁇ 1.0% by weight, water 10 ⁇ 15% by weight and residual amount of melamine resin It may be.
  • Another object of the present invention relates to a method for preparing an antibacterial and antifungal binder using the antibacterial and antifungal binder composition, the first step of preparing an antibacterial and antifungal binder composition having various compositions described above; After mixing the antimicrobial and antifungal 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 3 steps of aging the stirred material in a dark room at 20 to 35° C. for 6 to 12 hours; an antibacterial and antifungal binder may be prepared by performing a process including the process.
  • Another object of the present invention is to provide an antimicrobial and antifungal binder comprising an aged mixture of a mixture of antimicrobial and antifungal binder compositions of various compositions described above.
  • Another object of the present invention is to provide a particle board comprising a thermocompressive coating of a particle chip penetration coating with the antibacterial and antifungal binder.
  • the eco-friendly functional particle board (PB) manufactured using the antibacterial and antifungal binders of the present invention is compared with the PB produced using the existing melamine binder resin, so that the strength is supplemented, and fine dust generated by breaking the PB during construction , There is no dust generation, the construction environment is comfortable, and the productivity is improved.
  • the inside of the PB chip rots due to the moisture absorption of PB, thereby effectively preventing or minimizing the propagation of odor, bacteria, and fungi caused by insect damage. , Has a synergistic effect such as sterilization and deodorization.
  • 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, adhesive of decorative veneers at the time of manufacture, low pressure melamine, high pressure melamine, high pressure laminate, 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.
  • PB functional eco-friendly particle board
  • composition a functional eco-friendly particle board (hereinafter referred to as "composition") is used as one or more selected from urea resin, melamine resin and phenol resin as an adhesive resin. May be used, preferably a melamine resin.
  • 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 is a mixed nano powder containing silver (Ag) nanoparticles and titanium dioxide (TiO 2 ) nanoparticles in a weight ratio of 1: 0.5 to 1.0, preferably silver nanoparticles and titanium dioxide nanoparticles 1 : It is recommended to use mixed nano powder containing 0.75 ⁇ 1.00 by weight.
  • Silver nanoparticles not only have strong antibacterial and sterilizing power, but are also used as antibiotics in a wide range of fields such as removing odors, removing formaldehyde (CH 2 O) and VOCs, and emitting far infrared rays and anions.Adhesive by mixing with titanium dioxide nanoparticles Residual formaldehyde in resins and odors and even termites and salty insects caused by decaying processes due to the removal of volatile organic compounds released from binders used to attach sheet or film paper and moisture absorption of waste wood, or It is possible to improve the problem that the strength and durability are weakened, and deodorization and insect repellent (antiseptic) effects can be obtained.
  • 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 water is used for mixing between the adhesive resin of the binder and other compositions and securing an appropriate viscosity of the binder, 10 to 15% by weight, preferably 10 to 13.5% by weight of the total weight of the composition, more preferably It is better 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 when it exceeds 15% by weight, the moisture content in the prepared binder is increased. There may be a problem in that the drying time is long and the mixture of the composition is not well aged, so that the physical properties of the PB prepared by the binder are poor.
  • PB is a processed wood, not raw wood, and is made by reprocessing using furniture waste materials, wood by-products, etc.
  • the ignition point is very low, and there is a problem of easy combustion. Therefore, the composition of the present invention may further include a flame retardant and a flame retardant auxiliary agent 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.
  • 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 use may be too small to see the effect of smoking, and when it is used in excess of 5.0% by weight, other physical properties such as flat tensile strength of PB due to reduced compatibility with other compositions Rather, there may be a problem that deteriorates.
  • PB is composed of waste residue after single-plate production, waste residue of lumber, chips for pulp, wood sawdust, various sawdust, waste residue after woodworking, waste residue after construction of a wooden furniture house, and waste residue of 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 airgel is a highly porous nanostructure having a specific surface area of 600 m 2 /g to 1,500 m 2 /g, and is composed of nanoparticles having a size of 1 nm to 50 nm. It is excellent in soundproofing and shock-absorbing ability, and can be prevented from cracking, and its strength is increased by mixing with lead-stone. In addition, 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. At this time, if 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 binder prepared using the composition increases too much. It is preferable to use within the above range because the mixing property with the particle chip is poor, and the permeability of the binder to the particle chip may be poor.
  • the binder made of 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 antibacterial and antifungal binders and the interface between 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 binder increases, rather, the mixing property with the particle chip and the permeability decreases. It may be a problem that the flame retardancy of PB is poor, so it is preferable to use within the above range.
  • 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 so small that the antiseptic effect may not be seen, and when it is used in excess of 1.2% by weight, the antiseptic effect is excellent, but the penetration effect of the binder on the particle chip is reduced to PB. There may be a problem of reducing the mechanical properties of.
  • the composition of the present invention may further include a penetrant so that the 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, it may be uneconomical since there is no effect of improving the physical properties of PB. It is recommended to use within the above range.
  • Antibacterial and antifungal binders may be prepared by the following method using the composition of the present invention described above.
  • the 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 agitated material; an antibacterial and antifungal binder may be prepared by performing a process including the.
  • 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 ⁇ 35 °C, preferably for 7 ⁇ 10 hours in a dark room at 20 ⁇ 30 °C
  • the antibacterial and antifungal binders of the present invention can be prepared.
  • the binder of the present invention manufactured 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 antibacterial and antifungal binder is added and mixed.
  • the first step of preparing an antimicrobial and antifungal binder coating coated with a particle chip A second step of preparing the thermocompressed material by compressing the coating material with a thermocompressed press; Three steps of drying the thermocompressed material can be performed to produce a functional eco-friendly particle board.
  • the amount of the antibacterial and antifungal binder may be used in an amount of 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 amount of the antimicrobial and antifungal binder is less than 32.5 parts by weight, the particle chip may not be sufficiently penetrated and coated, so the physical properties of the PB may not be good, and the amount of the antibacterial and antifungal binder in excess of 48.7 parts by weight is excessive.
  • the PB physical properties are inferior to use, or the effect of increasing the physical properties may be insufficient even if it is used excessively.
  • the coating of the first step is introduced 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 for 60 minutes to 60 kgf/cm 2 to 80 kgf/cm 2 for 5 minutes to 10 minutes. By thermocompression can be performed.
  • 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 aerogels (Talc) having a specific surface area of 600 m 2 /g to 1,500 m 2 /g and a size of 1 nm to 50 nm and pyrite in a weight ratio of 1: 0.78, and prepared them as strength enhancers.
  • Example 1 Preparation of a functional eco-friendly particle board antibacterial and antifungal binder
  • stirred material was allowed to stand for 8 hours in a dark room at 22°C to 23°C to mature to prepare an antibacterial and antifungal binder.
  • melamine resin containing 0.1% by weight of residual formaldehyde, manufactured by Solar Synthetic Corporation
  • Antibacterial and antifungal binders were prepared in the same manner as in Example 1, but antimicrobial and antifungal binders were prepared by varying the amount of the flame retardant or flame retardant auxiliary agent, and Examples 4 to 5 and Comparative Examples 4 to 7 were prepared. It was carried out as shown in Table 5.
  • 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
  • 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
  • Example 8 Example 9 Comparative Example 11 Comparative Example 12 water 10.830 10.830 10.830 10.830 Flame retardant Preparation Example 1-1 23.364 23.364 23.364 Flame retardant aid Ammonium sulfate 1.011 1.011 1.011 Inhibitor Preparation Example 2-1 0.500 1.500 0.011 5.050 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 Desiccant Paraffin wax 0.800 0.800 0.800 0.800 Coupling agent Acrylic phosphate coupling agent 0.870 0.870 0.870 antiseptic Copper sulfate 1.011 1.011 1.011 1.011 Penetrant Alkyl succinate 0.910 0.910 0.910 0.910 Adhesive resin Melamine resin Remaining balance (100 wt% in total)
  • Antibacterial and antifungal binders were prepared in the same manner as in Example 1, but antimicrobial and antifungal binders were prepared, respectively, by using different strength reinforcing agents and penetrants as shown in Table 8 below, Examples 10 to 11 and Comparative Examples 13 to 16 were performed respectively.
  • Comparative Example 15 was prepared in the same composition and composition ratio as in Example 1, but using only a pyrite without using an airgel as a strength modifier.
  • Example 10 Example 11 Comparative Example 13 Comparative Example 14 Comparative Example 15 Comparative Example 16 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 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
  • Antibacterial and antifungal binders were prepared in the same manner as in Example 1, but antibacterial and antifungal binders were prepared by changing the types and amounts of antimicrobial agents as shown in Table 9, respectively, Examples 12 to 13 and Comparative Examples 17 ⁇ 20 was carried out, respectively.
  • Example 12 Example 13 Comparative Example 17 Comparative Example 18 Comparative Example 19 Comparative Example 20 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 - - - - - - Preparation Example 3-3 - 2.120 - - - - Comparative Preparation Example 3-1 - - 2.120 - - - Comparative Preparation Example 3-2 - - - 2.120 - - Strength enhancer Preparation Example 4-1 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353 0.353
  • 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 using the binder (product of Solar Synthesis) of Comparative Example 1 instead of Example 1 as a binder.
  • PB was prepared in the same manner as in Preparation Example 1, but instead of Example 1 as a binder, PB was prepared by using each of the antibacterial and antifungal binders of Examples 2 to 13 or Comparative Preparation Examples 2 to 20, respectively. ⁇ Preparation Example 13 and Comparative Preparation Examples 2 to 20 were performed respectively (see Table 10).
  • 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.
  • Comparative Preparation Example 17 in which titanium dioxide nanoparticles were used in an amount of less than 0.5 weight ratio with respect to 1 weight ratio of silver nanoparticles, the antimicrobial effect of Staphylococcus aureus and pneumococcus was somewhat
  • Comparative Preparation Example 18 in which titanium dioxide nanoparticles exceeded 1.0 weight ratio with respect to 1 weight ratio of silver nanoparticles, the antibacterial effect was excellent for Staphylococcus aureus and pneumococcus, but had an antibacterial effect against E. coli.
  • Comparative Production Examples 17 to 20 are lower than that of Comparative Production Example 1 is that, due to the difference in the components in the binder, the dissipation amount (or content) of formaldehyde in the PB is reduced due to the difference in the components in the PB. It is judged that the antibacterial action is not expressed.
  • 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 Preparation Example 1 showed excellent mold resistance and resistance without the need for a separate antibacterial agent.
  • Experimental Example 1 the high concentration of formaldehyde remaining in the binder used in the PB preparation of Comparative Preparation Example 1 was shown.
  • Comparative Production Example 17 in which titanium dioxide nanoparticles were used in an amount of less than 0.5 weight ratio with respect to 1 weight ratio of silver nanoparticles, when compared with Production Example 1 and Production Example 12, the antifungal property was inferior.
  • Comparative Preparation Example 19 which is a PB prepared using a binder containing less than 1.0% by weight of an antibacterial agent, mold resistance and resistance were poor.
  • the flame retardancy of PBs manufactured in the manufacturing examples and comparative manufacturing examples was measured by requesting the Korea Institute for Construction and Living Environment Testing in accordance with the test standards of the Ministry of Public Safety and Security No. 2016-138.
  • 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.
  • Comparative Production Examples 2 to 3 also did not show a large difference in smoke density when compared to Production Example 1 and the like.
  • 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.
  • Comparative Production Example 11 which was prepared with a binder containing 0.011% by weight of the inhibitor, the smoke density increased rapidly when compared with Production Example 8, and thus it was confirmed that there was a problem that there was little incombustibility,
  • Comparative Production Example 12 in which the inhibitor was used in an amount exceeding 5% by weight, there was no significant increase in the inhibitory effect even when the inhibitor was used three times more than in Comparative Example 9.
  • the removal rate of TVOC, toluene, and formaldehyde for PBs of Production Examples and Comparative Production Examples was measured by applying to the indoor air quality process test standard (Ministry of Environment Notice No. 2017-11), and the results are shown in Table 16 below.
  • the removal rate of Table 16 is a PB of Comparative Preparation Example 1 is measured based on the following equation 1 based on TVOC, toluene and formaldehyde measurements.
  • 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 is 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 15 using a binder composed of only lead stone as a strength reinforcing agent it was slightly increased compared to Production Example 1, but considering the reduction effect of TVOC and the like (see Table 16), airgel was mixed with lead stone as a reinforcing agent. It was confirmed that doing so is advantageous in terms of overall physical properties.
  • the antimicrobial and antifungal binder compositions of the present invention and the antibacterial and antifungal binders produced therefrom are excellent in antibacterial, antifungal, sterilizing, deodorizing, tensile strength, bursting strength and flexural strength.

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Abstract

La présente invention concerne une composition de liant antimicrobien et antifongique pour fabriquer un panneau de particules et un panneau de particules écologique fonctionnel à l'aide d'un liant préparé à l'aide de celui-ci, et plus spécifiquement, un liant antimicrobien et antifongique utilisé pour fabriquer un panneau de particules et un panneau de particules respectueux de l'environnement fonctionnel fabriqué à l'aide de celui-ci, le liant améliorant considérablement les propriétés antimicrobiennes et antifongiques du panneau de particules, ayant des fonctions d'ignifugation, de lutte contre la fumée, de stérilisation, de désodorisation, de résistance à la traction, de résistance à l'éclatement et de résistance à la flexion et empêchant et/ou minimisant la libération de formaldéhyde ou analogue.
PCT/KR2019/011141 2019-01-25 2019-08-30 Composition de liant antimicrobien et antifongique pour la fabrication d'une planche de particules écologique fonctionnelle, liant antimicrobien et antifongique préparé à l'aide de celle-ci et son procédé de préparation WO2020153562A1 (fr)

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