[go: up one dir, main page]

WO2008004368A1 - Préfiltre - Google Patents

Préfiltre Download PDF

Info

Publication number
WO2008004368A1
WO2008004368A1 PCT/JP2007/058074 JP2007058074W WO2008004368A1 WO 2008004368 A1 WO2008004368 A1 WO 2008004368A1 JP 2007058074 W JP2007058074 W JP 2007058074W WO 2008004368 A1 WO2008004368 A1 WO 2008004368A1
Authority
WO
WIPO (PCT)
Prior art keywords
prefilter
coating composition
functional group
curing agent
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2007/058074
Other languages
English (en)
Japanese (ja)
Inventor
Taro Kuroda
Yoshio Okamoto
Masaru Nagato
Masahiko Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of WO2008004368A1 publication Critical patent/WO2008004368A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/103—Curved filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D171/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B01D2239/0478—Surface coating material on a layer of the filter

Definitions

  • the present invention relates to a prefilter used for an air conditioner such as an air conditioner or an air purifier.
  • Pre-filters that have net power are provided at the air suction locations of air conditioners such as air conditioners and air purifiers so that dust and dirt in the air are not taken into the air conditioner. Yes.
  • This prefilter is usually composed of a synthetic resin net and a support frame.
  • Indoor dust and dirt include insoluble dust such as cotton dust, sand dust, mud and cigarette smoke, water-soluble dirt such as cigarette char, oil-soluble dirt such as oil smoke and soot.
  • insoluble dust such as cotton dust, sand dust, mud and cigarette smoke
  • water-soluble dirt such as cigarette char
  • oil-soluble dirt such as oil smoke and soot.
  • the pre-filter captures what does not pass through the hole due to the size of the mesh (mesh), but there are fine dirt (such as cigarette smoke, soot and dust) in the air.
  • the net is charged and captured electrically.
  • the outer surface of the fiber constituting the net is coated with fluorine resin having a high chargeability, and it is described that it can be washed with water (Japanese Patent Laid-Open No. 08-22). 4413, JP 08-224414).
  • Japanese Patent Laid-Open No. 2006-122871 proposes coating with fluorine resin using a noinder or the like to prevent adhesion of oil-containing dust! RU
  • fluorine resin does not adhere well to other synthetic resins. Simply attaching fluorine resin does not cause frequent detachment, brushing or wiping, and peeling. There is a problem with durability.
  • the subject of the present invention is a coating film of a specific fluorine-containing polymer which is rich in durability on the surface of the mesh and excellent in decontamination even if it is a prefilter made of the same material as a conventional prefilter.
  • An object of the present invention is to provide a prefilter for an air conditioner in which is formed.
  • the present invention is a prefilter for an air conditioner having a synthetic resin mesh, wherein a coating composition containing a fluorine-containing polymer on a part or all of the surface of the mesh is applied to the surface of the mesh.
  • a coating composition comprising a film obtained by curing, comprising the fluorine-containing polymer comprises (A) a fluorine-containing polymer containing a functional group X, (B) an antifouling component, and (C) a curing agent.
  • antifouling component (B) is (B1) the functional group X and Z, or a liquid polydialkylsiloxane having functional group Y 1 that obtained reacts with a curing agent (C) or (B2) functional,
  • the present invention relates to a prefilter which is a room temperature curable coating composition, which is a liquid fluoropolyether having a functional group Y 2 capable of reacting with groups X and Z or a curing agent (C).
  • FIG. 1 is a schematic perspective view of a prefilter for an air conditioner according to the present invention.
  • the prefilter for an air conditioner having a synthetic resin net of the present invention is coated with a coating composition containing a specific fluorine-containing polymer on a part or all of the surface of the net and cured. It is characterized by the fact that it has a coating obtained by heating.
  • the coating composition containing the fluorine-containing polymer is a composition comprising (A) a fluorine-containing polymer containing a functional group X, (B) an antifouling component, and (C) a curing agent.
  • Component (B) is a liquid polyalkylsiloxane having a functional group Y 1 that can react with (B1) functional groups X and Z or a curing agent (C), or (B2) functional groups X and Z or a curing agent (C)
  • Is a cold-curing coating composition which is a liquid fluoropolyether having a functional group Y 2 capable of reacting with
  • the deviation of the fluorine-containing polymer (A) and the antifouling component (B) is water and oil repellency, and the formed film is also water and oil repellency.
  • both water-soluble dirt and oily dirt are attached to the dust side, and relatively large dust is removed, so that not only dust but water-soluble dirt and oil are removed. Even sexual stains can be removed.
  • the reason for this is not clear, but in general the main components of dust are cotton dust composed of various fibers and sand dust composed mainly of silicic acid, iron oxide, aluminum oxide, etc. From the viewpoint of water repellency and oil repellency. Both are intermediate properties.
  • the surface of the prefilter is made to be water repellency and oil repellency, even if it is in a very high state (water and oil repels), water-soluble dirt will be more dusty than the surface of the prefilter because of its water repellency. Adheres to the side and adheres to dust. The same oily soil adheres to the dust side of the prefilter surface and adheres to the dust because of the oil repellency of the prefilter surface.
  • the water / oil repellency of the coating refers to the property that both the water contact angle and the oil contact angle of the coating surface are high.
  • a film having a water contact angle of 80 degrees or more and an oil contact angle of 35 degrees or more means that both water-soluble dirt and oil-soluble dirt have an affinity for the film. Poor (without adhering to the coating), therefore point power absorbed by cotton dust and sand dust is preferable. The method for measuring the water contact angle and the oil contact angle will be described later.
  • a more preferable contact angle with water is 90 ° or more, particularly 100 ° or more, because the aqueous soil adhesion preventing property is further excellent.
  • a more preferable oil contact angle is 45 ° or more because oil stain adhesion prevention is further excellent.
  • the antifouling component (B) is firmly bonded to the fluoropolymer (A) via the curing agent (C) by the function (reaction) of the functional group. Therefore, the antifouling component (B) does not fall off from the coating film, and it is rich in durability.
  • Examples of the coating composition containing a strong fluorine-containing polymer include International Publication No. 2004/0.
  • the paint composition described in the 67658 pamphlet can be illustrated with specific examples and preferred ranges.
  • a prefilter for a resin product such as an air conditioner for adjusting indoor air has a hydroxyl group, a force as the functional group X of the fluoropolymer (A) of the coating composition.
  • a ruboxyl group and Z or epoxy group are preferable in terms of curability and adhesion to a prefilter net.
  • the antifouling component (B) the functional group Y 1 polydialkylsiloxane (B1) is included in the force preferred instrument polydialkylsiloxane repellency good point (B1), a hydroxyl group, ⁇ Mino Group and Z or epoxy base force are preferable from the viewpoint of good curability and adhesion to a prefilter net.
  • curing agent (C) isocyanate compounds, amino compounds and Z or epoxy compounds are preferable in terms of curability and good adhesion to the prefilter net.
  • the functional group X of the fluorine-containing polymer (A) is a hydroxyl group
  • the functional group Y 1 or Y 2 of the antifouling component (B) is a hydroxyl group or an amino group
  • the curing agent (C) Strength which is a S isocyanate compound, in particular, a point strength which is excellent in curability and adhesion of the prefilter to the net is also preferable.
  • fluorine-containing polymer (A) examples include tetrafluoroethylene (TFE) Z alkyl butyl ether Z hydroxybutyl butyl ether (HBVE) copolymer, TFEZ alkyl butyl ester ZHBVE Copolymers, Black-mouthed Trifluoroethylene (CTFE) Z Alkyl Bulle Ether ZHBVE Copolymer, TFEZ Alkyl Bulle Ether Z Maleic Acid Copolymer, CTFEZ Alkyl Bulle Ether Z Maleic Acid Copolymer But is not limited to these .
  • TFE tetrafluoroethylene
  • HBVE hydroxybutyl butyl ether
  • CTFE Black-mouthed Trifluoroethylene
  • CTFEZ Alkyl Bulle Ether Z Maleic Acid Copolymer CTFEZ Alkyl Bulle Ether Z Maleic Acid Copolymer But is not limited to these .
  • TFEZ alkyl butyl ether ZHBVE-based copolymer TFEZ alkyl vinyl ester ZHBVE-based copolymer strength are also preferred because of their excellent antifouling properties, oil resistance, and curing agent compatibility.
  • polydialkylsiloxane (B1) is preferred U.
  • Specific examples include, for example, amino-modified polydialkylsiloxane, carbinol-modified polydialkylsiloxane, carboxyl-modified polydialkylsiloxane, Examples thereof include epoxy-modified polydialkylsiloxane, and particularly, amino-modified polydialkylsiloxane power and point power with good curability are also preferable.
  • liquid fluoropolyether (B2) having the functional group X 2 and the functional group Y 2 capable of reacting with the curing agent (C) among the antifouling component (B) include, for example, a hydroxyl group And fluoropolyethers having amino groups, epoxy groups, carboxyl groups, thiol groups, nitrile groups, iodine atoms and Z or hydrolyzable alkyl silicate residues.
  • polydialkylsiloxane (B1) is preferred as the antifouling component (B).
  • the blending amount of the antifouling component (B) is 0.001 part by mass or more, further 0.01 part by mass or more, particularly 0.1 part by mass with respect to 100 parts by mass of the solid content of the fluoropolymer (A). Part by mass or more is preferable. If the amount is too small, the effect of preventing contamination and removal will be insufficient. The upper limit is 30 parts by mass, even 10 parts by mass, especially 3 parts by mass. If the amount is too large, it will be difficult to form a uniform coating film, and it will be necessary to take into account that stickiness will be generated. .
  • curing agent (C) include, for example, isocyanate compounds, amino compounds and epoxy compounds, and the functional group X which the fluorine-containing polymer (A) and the antifouling component (B) have, Select appropriately in relation to Y 1 and Y 2 .
  • the isocyanate compound-based curing agent is effective when the functional groups X, Y 1 and Y 2 of the fluorine-containing polymer (A) and the antifouling component (B) are a hydroxyl group and Z or an amino group. It is.
  • Isocyanate compounds include block isocyanate compounds, such as 2,4-tolylene diisocyanate, diphenylmethane 4,4'-diisocyanate, xylylene diisocyanate.
  • an isocyanate compound having a hydrolyzable alkyl silicate residue can also be preferably used.
  • the mixing ratio of the isocyanate compound and the fluoropolymer (A) is NCOZOH (molar ratio) of 0.5 to 5.0 force S, more preferably 0.8 to 1.5.
  • NCOZOH molar ratio
  • the isocyanate is a moisture-curing type, 1.1 to 1.5 is preferable.
  • the amino compound-based curing agent is effective when the functional groups X, Y 1 and Y 2 of the fluorine-containing polymer (A) and the antifouling component (B) are a carboxyl group, an amino group or an epoxy group. is there.
  • Preferable specific examples include melamine resin, urea resin, guanamine resin, amine adduct, polyamide and the like.
  • Cymel (trade name) manufactured by Mitsui Cytec Co., Ltd .
  • Ancamine (trade name) manufactured by Air Products, Epilink (trade name); Versamine (trade name) manufactured by Henkenore, Samide (trade name); Tomide (trade name) manufactured by Fuji Kasei Kogyo Co., Ltd., Fuji Cure I (trade name); Versamide (trade name) manufactured by Daiichi General Co., Ltd .; Epicure manufactured by Japan Epoxy Resin Co., Ltd. 1 (trade name); Sanmide (trade name) manufactured by Sanwa Chemical Co., Ltd .; Epomate (trade name) manufactured by Ajinomoto Co., Inc.
  • the epoxy compound curing agent is effective when the functional groups X, Y 1 and Y 2 of the fluorine-containing polymer (A) and the antifouling component (B) are a carboxyl group, an amino group or an epoxy group. It is fruitful. Examples include epoxy resin and epoxy-modified silane coupling agents. Commercially available products include Epoxy Coat (trade name) and Epilec (trade name) manufactured by Japan Epoxy Resin Co., Ltd .; Name); Coat Gil 1770 (trade name), A-187 (trade name), etc., manufactured by Nippon Tunica Co., Ltd.
  • the compounding amount of the curing agent (C) depends on the functional groups X, Y 1 and fluorine-containing polymer (A) and antifouling component (B). Assuming that the total equivalent of 2 is 1, it is preferably 0.3 equivalents or more, more preferably 0.5 equivalents or more, and particularly preferably 0.8 equivalents or more. If it is too low, curing will be insufficient. The upper limit is 4 equivalents, even 2 equivalents, especially 1.5 equivalents. If the amount is too large, it will be necessary to consider such points as uniform formation of curing and increased tackiness.
  • the coating composition used in the present invention is particularly preferably curable at room temperature (room temperature curable). By making it room temperature curable, an antifouling coating can be formed without degrading the synthetic resin of the prefilter mesh. If it is up to the heat resistance temperature of the synthetic resin that is the prefilter mesh material, it can be heated and cured.
  • the coating composition used in the present invention may contain various other additives! / ⁇ .
  • Typical additives include antibacterial agents, photocatalysts, antistatic agents, pigments, pigment dispersants, thickeners, repelling agents, antifoaming agents, film-forming aids, UV absorbers, anti-foaming agents, fillers, Colloidal silica, fungicides, silane coupling agents, anti-skinning agents, antioxidants, flame retardants, anti-sagging agents, anti-fungal agents, water-soluble grease (polyvinyl alcohol, polyethylene oxide, etc.), preservatives, anti-freezing Additives for paints such as agents may be mentioned, and they may be combined within a range that does not impair the effects of the present invention.
  • a solvent type coating composition is preferred because of its good drying property.
  • organic solvents include hydrocarbon solvents such as xylene and toluene; ester solvents such as methyl acetate, ethyl acetate, and butyl acetate; ethylene glycol monomethyl ether acetate, propylene acetate Ether solvents such as glycol monomethyl ether, propylene glycol monobutyl ether, diethylene glycol dibutyl ether and tetrahydrofuran; ketone solvents such as methyl ethyl ketone, methyl isobutyl ketone and acetone; ⁇ , ⁇ -dimethylacetamide, ⁇ -methy Amide solvents such as lucacetamide, acetoamide, ⁇ , ⁇ -dimethylformamide, ⁇ , ⁇ -jetylformamide, ⁇ -methylformamide; alcoholic solvents such as methanol, ethanol, isopropanol ; Dimethyl xylene and toluene; ester solvents such as
  • the solid content concentration of the coating composition is usually 1% by mass or more, preferably 10% by mass or more, and 80% by mass or less, more preferably 50% by mass or less.
  • Polyethylene polyamide, polyvinyl chloride, polyester (eg polyethylene terephthalate (PET)), polysalt vinylidene, etc.
  • Fluoropolymer (A) Hydroxyl-containing fluoroolefin resin
  • D Dibutyltin dilaurate (DBTDL) (optional)
  • Paint form Solvent type (Solvent: Peptyl acetate, Methyl ethyl ketone, Methyl isobutyl ketone, Propylene glycol monobutyl ether acetate, etc.)
  • Prefilter mesh material Polyester (especially PET)
  • D Dibutyltin dilaurate (DBTDL) (optional)
  • Paint form Solvent type (Solvent: Peptyl acetate, Methyl ethyl ketone, Methyl isobutyl ketone, Propylene glycol monobutyl ether acetate, etc.)
  • Prefilter mesh material Polyester (especially PET)
  • Paint form Solvent type (Solvent: Peptyl acetate, Methyl ethyl ketone, Methyl isobutyl ketone, Propylene glycol monobutyl ether acetate, etc.)
  • Prefilter mesh material Polyester (especially PET)
  • Resin (A) Carboxyl group-containing fluororefin resin
  • D Dibutyltin dilaurate (DBTDL) (optional)
  • Paint form Solvent type (Solvent: Peptyl acetate, Methyl ethyl ketone, Methyl isobutyl ketone, Propylene glycol monobutyl ether acetate, etc.)
  • Prefilter mesh material Polyamide
  • the prefilter of the present invention is a prefilter for an air conditioner.
  • Air conditioners include air conditioners, air purifiers, dehumidifiers, humidifiers, and exhaust fans, regardless of whether they are for home use or business use.
  • the shape and size of each air conditioner depends on the manufacturer and model.
  • the support frame 1 and the mesh 2 are composed of the synthetic resin fibers 3 which are integrated.
  • a woven fabric of fibers 3 may be used, but warps and wefts may be displaced, and the fibers are bonded to each other by heat or an adhesive.
  • Various prefilter shapes can be employed in consideration of dust collection, pressure loss reduction, cleaning, cleaning frequency, and the like.
  • a solid weave has relatively fine eyes (easy to remove fine dust), and even if dust is collected, pressure loss does not increase easily (requires less frequent cleaning).
  • the plain weaving type has come to be used in recent years.
  • the mesh opening (mesh) varies depending on the type, model, application, form, etc. of the air conditioner to be applied. For home air conditioners, it is usually 25-80 mesh (about 250 m to about lmm) ) It is.
  • the prefilter used in the present invention can be provided in accordance with a known prefilter which may be plain weave, solid weave, turtle shell weave, spiral weave, or with or without pleats.
  • Spray coating, dating coating, roll coating, and the like can be used as a method for applying the prefilter to the net, and an appropriate method may be employed depending on the shape, size, material, and the like of the prefilter. Further, a primer paint may be applied in advance.
  • the coating is dried to promote curing with a curing agent.
  • Curing may be heated, but as described above, leaving at room temperature is preferable from the viewpoint of preventing the deterioration of the net.
  • the film thickness to be formed is usually 0.1 ⁇ m or more, further 1 ⁇ m or more, particularly 2 m or more. 50 m or less, 30 m or less, especially 10 m or less, which is preferable because it is easy to be absorbed by sand dust), to prevent clogging of the filter during painting and to reduce pressure loss
  • paint costs does not use paint more than necessary
  • paint costs does not apply more than necessary and does not require drying time
  • the coating may be the entire surface of the mesh (continuous coating) or part (discontinuous coating)! / ⁇ .
  • the prefilter is flexible and deforms when handled, it is preferable to make it a part (discontinuous coating) because it does not cause cracking of the coating.
  • a method that uses a low affinity for synthetic resin for the mesh as a solvent for the coating composition a method that devises the coating method (spray, gravure coating, etc.), etc. is there.
  • the drop angle of water drops measured by the drop angle measurement method is 50 degrees or less, and that of hexadecane oil drops is 10 degrees or less.
  • a method of forming appropriate irregularities on the surface of the coated net can be exemplified.
  • the sliding angle is measured by forming a coating film on the substrate and measuring the falling angles of water and hexadecane with a contact angle measuring device.
  • the coating composition may remain in the meshes and the meshes may be crushed. If the clogging is excessive, the filter function is impaired and the pressure loss is increased.
  • the degree of clogging is preferably 1Z3 or less, more preferably 1Z10 or less of the total number of meshes. In addition, good dust collection and suppression of pressure loss, and point power that does not easily damage the filter appearance are preferable.
  • the specific fluorine-resin coating formed on the surface of the pre-filter net by force removes oil-smoke such as cigarette jars and oil-soluble dirt such as soot. It is easy to wash with water and can be easily removed regardless of oily water, and it has excellent strength and adhesion to the net. It is durable enough to withstand use.
  • the synthetic resin which has been difficult to surface-treat with fluorine resin, has been described as a prefilter net material.
  • the coating composition used in the present invention is, of course, a metal. It can also be applied to heat-resistant prefilters such as glass fiber and ceramic fiber.
  • Metals and ceramics that make up the pre-filter mesh include stainless steel (SUS304, SUS31 6, SUS316L, SUS430, SUS310S, etc.), nickel, monel, brass, red copper, phosphor bronze, copper, iron, zinc-drawn iron wire
  • metal fibers such as steel, aluminum, titanium, nichrome, hastelloy, and inconel
  • ceramics such as acid aluminum, acid zirconium, my strength, silicon nitride, glass, PZT, graphite, and carbon fiber.
  • ZEFLEL GK-510 Hydrooxyl value 60mgKOH, g, Acid value 9mgKOH, g, Number average molecular weight 12000, Fluorine content 36% by mass, 100 parts by weight of refractive index 1.4, butyl acetate solution, solid content 50% by weight, and amino group-containing silicone oil (NUC SILICON E FZ3705 (trade name) as antifouling component (B).
  • DBTDL dibutyltin dilaurate
  • Mass parts and 30 parts by mass of propylene glycol monobutyl ether acetate were blended to prepare a coating composition having a solid concentration of 20% by mass.
  • This paint composition is spray-coated on the next prefilter by a conventional method, and after applying compressed air to the filter to eliminate clogging, it is baked at 100 ° C for 10 minutes, dried and cured. A fluororesin film was formed on the surface of the film to prepare Prefilter 1 of the present invention.
  • Support frame Made of polypropylene
  • Mesh opening vertical 50 mesh, horizontal 35 mesh
  • the water contact angle and the oil contact angle of the prefilter 1 and the base material (PET) of the prefilter before forming the coating were examined. Since the contact angle of the pre-filter itself cannot be measured, the contact angle between the PET sheet on which the fluororesin film was formed and the PET sheet before the film formation was measured in the same manner as described above. As a result, the water contact angle of the PET sheet (corresponding to prefilter 1) on which the fluorine resin film was formed was 103 degrees, and the oil contact angle was 50 degrees. The PET sheet (corresponding to the prefilter for comparison) before film formation had a contact angle with water of 80 degrees, and the contact angle with oil was 15 degrees.
  • Bending the prefilter 180 degrees and then bending it 180 degrees in the opposite direction is one cycle and repeated 10 cycles. Then, the bent part is visually observed to visually check for the presence or absence of sag.
  • the pre-filter 1 and the pre-filter (comparative pre-filter) before forming the coating are each attached to an air conditioner installed on the upper part of the wall of a smoking room having a floor area of about 15 m 2 .
  • the evaluation is performed by visually checking the dirt state before and after wiping.
  • the tobacco dirt was removed to the same extent as when it was attached, and the dirt became almost unaltered. Dirt was hardly removed.
  • a coating film containing a fluorine-containing polymer having excellent adhesion to a synthetic resin can form a film on the surface of the net, and the prefilter surface is rubbed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
  • Paints Or Removers (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente invention concerne un préfiltre, destiné à des climatiseurs, qui comprend une toile filtrante et, sur la surface de cette dernière, un film de revêtement fluoropolymère spécifique qui dure longtemps et se nettoie facilement. L'invention porte sur un préfiltre, destiné à des climatiseurs, qui comprend une toile en résine synthétique et, à la surface de la toile, un film de revêtement obtenu par application d'une composition de revêtement contenant un fluoropolymère à la surface de la toile et par durcissement de ladite composition. La composition du revêtement est une composition de revêtement durcissant à froid qui comprend un fluoropolymère contenant un groupe fonctionnel (X), un agent antisalissure et un agent durcissant. L'agent antisalissure est un polydialkylsiloxane liquide, renfermant un groupe fonctionnel réagissant avec le groupe fonctionnel (X) ou avec l'agent durcissant, ou un fluoropolyéther liquide contenant un groupe fonctionnel réagissant avec le groupe fonctionnel (X) ou l'agent durcissant.
PCT/JP2007/058074 2006-07-05 2007-04-12 Préfiltre Ceased WO2008004368A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-185354 2006-07-05
JP2006185354A JP2008012418A (ja) 2006-07-05 2006-07-05 プレフィルタ

Publications (1)

Publication Number Publication Date
WO2008004368A1 true WO2008004368A1 (fr) 2008-01-10

Family

ID=38894342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/058074 Ceased WO2008004368A1 (fr) 2006-07-05 2007-04-12 Préfiltre

Country Status (2)

Country Link
JP (1) JP2008012418A (fr)
WO (1) WO2008004368A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104959268A (zh) * 2015-06-30 2015-10-07 成都市新都区鑫悦空气净化设备厂 一种用于漆雾处理的脱水器
US9969748B2 (en) 2014-06-17 2018-05-15 Ucb Biopharma Sprl Fused bicyclic heteroaromatic derivatives as kinase inhibitors

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5914169B2 (ja) * 2012-05-28 2016-05-11 株式会社有沢製作所 フレキシブルプリント配線板用樹脂組成物
JP6816938B2 (ja) * 2015-07-27 2021-01-20 日東電工株式会社 撥油性が付与された通気フィルタ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11342310A (ja) * 1998-03-31 1999-12-14 Mitsubishi Paper Mills Ltd 機能性エレクトレットフィルタ―およびその製造方法、並びに空気清浄化装置
JP2001208416A (ja) * 2000-01-25 2001-08-03 Sanyo Electric Co Ltd エアフィルタ及びこのエアフィルを備えた空気調和機
WO2004067658A1 (fr) * 2003-01-27 2004-08-12 Daikin Industries, Ltd. Composition de revetement
JP2006083363A (ja) * 2004-04-26 2006-03-30 Showa Denko Kk コーティング材とその用途

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100711156B1 (ko) * 2000-08-29 2007-04-24 다이킨 고교 가부시키가이샤 경화성 함불소 중합체, 이것을 이용한 경화성 수지 조성물및 반사 방지막

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11342310A (ja) * 1998-03-31 1999-12-14 Mitsubishi Paper Mills Ltd 機能性エレクトレットフィルタ―およびその製造方法、並びに空気清浄化装置
JP2001208416A (ja) * 2000-01-25 2001-08-03 Sanyo Electric Co Ltd エアフィルタ及びこのエアフィルを備えた空気調和機
WO2004067658A1 (fr) * 2003-01-27 2004-08-12 Daikin Industries, Ltd. Composition de revetement
JP2006083363A (ja) * 2004-04-26 2006-03-30 Showa Denko Kk コーティング材とその用途

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9969748B2 (en) 2014-06-17 2018-05-15 Ucb Biopharma Sprl Fused bicyclic heteroaromatic derivatives as kinase inhibitors
CN104959268A (zh) * 2015-06-30 2015-10-07 成都市新都区鑫悦空气净化设备厂 一种用于漆雾处理的脱水器

Also Published As

Publication number Publication date
JP2008012418A (ja) 2008-01-24

Similar Documents

Publication Publication Date Title
US9365742B2 (en) Grafted polymers as oleophobic or hydrophobic coatings
KR100714328B1 (ko) 도료 조성물
CN101678392B (zh) 树枝状聚氨酯涂料
CN113604095A (zh) 一种负载超疏水颗粒的多孔粉体及其制备方法和应用
RU2655786C1 (ru) Акриловые полимеры, получаемые из них отверждаемые пленкообразующие композиции, и способ уменьшения накопления грязи на подложке
WO2008004368A1 (fr) Préfiltre
US10883001B2 (en) High-durability anti-fouling and anti-icing coatings
JP4639656B2 (ja) 汚れの除去性に優れたフィルム
EP2413166B1 (fr) Reflecteur d'un dispositif d'eclairage, et dispositif d'eclairage
JP6917505B2 (ja) 被膜形成方法
EP3191536B1 (fr) Compositions filmogènes durcissables et procédé d'atténuation de l'accumulation de salissures sur un substrat
JP2008014559A (ja) 油分除去能に優れた掃除機能付き空気調整機
WO2023140053A1 (fr) Agent de traitement de surface, matériau traité ayant un revêtement, et procédé de fabrication associé
EP2340286A2 (fr) Procédé de traitement des jantes et composition pouvant être utilisée pour ce faire
JP2008127424A (ja) 塗料用組成物、塗料、塗料用キット及び塗装物品
JP6472249B2 (ja) 製造物品または製造物品の製造プロセス
JP4546637B2 (ja) 光触媒構造物の形成方法およびそれによって得られる光触媒構造物
JP2006111652A (ja) 塗料組成物、塗膜の形成方法及び被覆物
JP4942983B2 (ja) 塗料用組成物、塗料、塗料用キットおよび塗装物品
JP2006512467A (ja) 防汚用シリコンワニス、前記ワニスの基材への塗布方法及びこうして処理された基材
JP4176389B2 (ja) 表面処理透明樹脂成形品
JP7368708B2 (ja) 塗膜、粉体塗料、塗工物及び塗装方法
JP2003103702A (ja) 易洗浄性塗膜を有する板状体
JPH09157586A (ja) 非汚染塗料組成物
TWI379843B (en) Hydrophobic uv-curable resin

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07741510

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 07741510

Country of ref document: EP

Kind code of ref document: A1