[go: up one dir, main page]

WO2008066022A1 - Matériau de filtre pour épuration de l'air, et filtre d'épuration de l'air pour le nettoyage d'intérieur de véhicule - Google Patents

Matériau de filtre pour épuration de l'air, et filtre d'épuration de l'air pour le nettoyage d'intérieur de véhicule Download PDF

Info

Publication number
WO2008066022A1
WO2008066022A1 PCT/JP2007/072819 JP2007072819W WO2008066022A1 WO 2008066022 A1 WO2008066022 A1 WO 2008066022A1 JP 2007072819 W JP2007072819 W JP 2007072819W WO 2008066022 A1 WO2008066022 A1 WO 2008066022A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter medium
air
proanthocyanidin
nonwoven fabric
filter
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/JP2007/072819
Other languages
English (en)
Japanese (ja)
Inventor
Yuzuru Yoshinami
Sadahito Goto
Yoshiyuki Kitagawa
Kotaro Shimokawa
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.)
Kikkoman Corp
Nissan Motor Co Ltd
Toyobo Co Ltd
Original Assignee
Kikkoman Corp
Nissan Motor Co Ltd
Toyobo Co 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 Kikkoman Corp, Nissan Motor Co Ltd, Toyobo Co Ltd filed Critical Kikkoman Corp
Publication of WO2008066022A1 publication Critical patent/WO2008066022A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H3/0608—Filter arrangements in the air stream
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/30—Details of magnetic or electrostatic separation for use in or with vehicles

Definitions

  • the filter having such an anti-allergen function includes, for example, an anti-allergen agent that inactivates allergens present in the environment by utilizing the protein binding action of a tannic acid compound, its use, and the above components.
  • a filter or the like having an allergen inactivation performance by applying a tea extract is known (for example, patent documents;! To 3).
  • the tea extract has a unique odor due to volatile components, and catechin gallate has the problem that the binding activity to the target allergen is not sufficient. Therefore, if such a substance is supported on a substrate such as a nonwoven fabric to obtain a filter having an anti-allergen function with a sufficient effect, the amount of the support must be increased.
  • Proanthocyanidins are known as compounds different from catechins having an anti-allergen function, and filters using polyphenols mixed with chlorogenic acid or the like as filters using the proanthocyanidins Are known (for example, Patent Documents 5 and 6).
  • Patent Document 2 Japanese Patent Laid-Open No. 06-279273
  • Patent Document 3 Japanese Patent Laid-Open No. 2000-5531
  • Patent Document 4 Japanese Laid-Open Patent Publication No. 2003-210559 (Paragraph [0009])
  • Patent Document 5 JP 2000-334230
  • the present invention has been made against the background of the problems of the prior art described above, and is excellent in dust removal performance and antibacterial and antiallergen performance, and further has a low airflow resistance that prevents generation of odors from the filter medium and detachment of drugs! /, It aims at providing the filter medium and filter for air purification. Means for solving the problem
  • a filter medium loaded with proanthocyanidins particularly a grape extract
  • the inventors have found that it is possible to develop excellent filter performance by generating the odor component and removing the active agent, and further by laminating the filter medium and the electret filter.
  • the present invention relates to the following.
  • a filter medium for air cleaning wherein an upstream member made of a nonwoven fabric carrying a proanthocyanidin-containing material and a downstream member made of an electret nonwoven fabric are laminated.
  • the proanthocyanidins refer to a group of compounds in which flavan-3ol or flavan 3,4 diol is a structural unit and bonded by condensation or polymerization at the 46th or 48th positions.
  • Proanthocyanidins can be obtained by chemical or semi-synthetic methods, or by using plant materials such as buds, oysters, apples, pine, peanuts, chestnuts, azuki beans, cranberries, etc. with water or organic solvents. Get tomorrow.
  • the grape extract is particularly suitable as the plant extract of the present invention because it is very excellent in allergen inactivation and antibacterial properties and is safe.
  • Polyphenols such as catechin, tannin, anthocyanin, chlorogenic acid, and gallic acid, which have been widely used in the past, are monomers and have high odor volatility with few active sites, while grape extract has a large amount.
  • the proanthocyanidins which are the body, are contained in large quantities, and this multimer has the ability to bind to allergen proteins and fungi in three dimensions, so it has excellent antiallergenic and antibacterial properties. It is thought that performance is exhibited.
  • a molecular weight of 3000 or more, preferably a molecular weight Broanthocyanidins containing many fractions of 10,000 or less can be obtained.
  • odor If odor is generated, the processability of attaching to the nonwoven fabric may be reduced. High purity! / Proanthocyanidin crystallizes and is easily removed from the fiber! /.
  • a method for obtaining a proanthocyanidin extract having a content of 80% by mass or more from grape raw materials is disclosed in, for example, JP-A-11-080148, and is well known.
  • a commercially available product such as Dara Vinol SL (manufactured by Kikkoman Corporation) can also be used.
  • a known nonwoven fabric can be used as the nonwoven fabric that carries the proanthocyanidin-containing material, particularly the grape extract, and constitutes the upstream member.
  • polyolefin fibers such as polypropylene fibers and polyethylene fibers, polyester fibers, and polyamide fibers. Examples thereof include fibers, acrylic fibers, polybulal alcohol fibers, rayon and polynosic.
  • polyester fiber, polyamide fiber or rayon fiber is used, and it is particularly preferable that it can be supported without using a binder by impregnating and attaching to an aqueous solution to form an upstream member. Its detailed mechanism is unknown.
  • Proanthocyanidins or other extract components with a high molecular weight structure in grape extract have excellent binding strength and adhesiveness to fibers, and can be removed without using a binder. It is presumed that it is supported on the fiber without any failure. As a result of not using the solder, the grape extract, which is an active agent, is not covered or shielded by the binder, so that the proanthocyanidin-containing material exhibits its original characteristics in the upstream member of the present invention. be able to.
  • a fiber material such as a woven fabric or a net other than the nonwoven fabric may be used as long as the air permeability is similar to that of the nonwoven fabric and the amount of the proanthocyanidin-containing material can be adjusted to the same level.
  • the fiber material constituting the upstream member it is preferable not to use an electret nonwoven fabric.
  • the proanthocyanidin-containing material is directly supported on the electret fiber, charge neutralization or shielding occurs due to the components of the proanthocyanidin-containing component, and the collection efficiency decreases.
  • the fibers sprayed on the fibers are immersed and dried, the electret charges disappear.
  • the method for supporting the proanthocyanidin-containing material in forming the upstream member is not particularly limited, but an aqueous solution of the proanthocyanidin-containing material such as grape extract is prepared, and the impregnation method, spray method, coating method, etc. It is possible to support by applying and drying. Further, if necessary, a small amount of a binder or a functional agent such as an antibacterial agent or an antifungal agent may be added to the aqueous solution containing the proanthocyanidins.
  • the loading amount of the proanthocyanidin-containing material in the upstream member is preferably from 0.;! To 10. Og / m 2, more preferably 0.5 to 8. Og / m 2 , more preferably 1. Ru 0 ⁇ 5. Og / m 2 der. If it is less than 0. lg / m 2 , the antibacterial and anti-allergen performance decreases, and if it exceeds 10. Og / m 2 , the ventilation resistance of the filter medium increases.
  • the method of laminating the electret nonwoven fabric and the proanthocyanidin-containing nonwoven fabric, which are downstream members, is not particularly limited, but is mechanically entangled by needle punch, water punch, etc., powder, liquid or fibrous adhesive resin Can be widely used for laminating method with adhesive using adhesive sheet, embossing, heat fusion method with calendering, etc.
  • Mechanismal entanglement method with needle punch maintains or reduces density of electret nonwoven fabric Therefore, it is preferable in applications where dust retention is required, such as a cabin filter, because clogging is suppressed and the life is increased.
  • the method for obtaining the electret nonwoven fabric is not particularly limited, and a sheet electret method is provided in which a nonwoven fabric made of a dielectric material such as polyolefin, polyester, polylactic acid, polycarbonate, polychlorinated butyl, and polyvinylidene chloride is subjected to corona charging treatment.
  • a film splitting method in which an electret film is cut into a nonwoven fabric to form a nonwoven fabric
  • a friction charging method in which fibers having different charge trains are mixed and rubbed into a nonwoven fabric can be used.
  • an electret non-woven fabric by a film splitting method or a tribocharging method capable of reducing the density is more preferable.
  • the electret non-woven fabric that is the downstream member preferably has an activated carbon-containing layer.
  • the activated carbon-containing layer may be disposed on either the upstream side or the downstream side of the electret nonwoven fabric, but more preferably on the downstream side. According to such a configuration, it is possible to remove odorous components and harmful components such as exhaust gas, tobacco odor, VOC, livestock odor, body odor, etc., as well as generate particle components collected with proanthocyanidin-containing nonwoven fabric or electret nonwoven fabric. It is preferable because odor can be removed.
  • the activated carbon-containing layer needs to be arranged on the downstream side of the electret non-woven fabric in order to prevent a decrease in adsorption performance due to dust, oil, and mist adhering to the activated carbon pores.
  • the activated carbon-containing layer can be prepared by molding particulate, powdered, or fibrous activated carbon into a sheet by a known method.
  • the air purification filter medium of the present invention can be cut into a desired size in the state of a single filter medium, but can be filled with a large amount of filter medium within the same opening area by pleating. Since it can be used with force S, it can greatly improve the collection efficiency, antibacterial performance, and antiallergen performance, and it can prevent clogging during dust loading and is effective in extending the service life.
  • air purification filters for vehicle interior purification use a pleated type because more dust is supplied to the filter medium than outside air.
  • the shape is a preferred use form.
  • the usage environment in vehicles is higher than that of residential filters, and the filter medium and filter of the present invention exhibit stable antiallergen performance even at high temperatures of 80 ° C. Suitable for indoor purification.
  • the filter medium was ventilated at a passing line speed of 10 cm / s, and the differential pressure upstream and downstream of the filter medium was measured.
  • the upstream and downstream concentrations of the filter were measured with a gas detector tube at a linear speed of 30 cm / s, and the value obtained by subtracting the downstream gas concentration from the upstream gas concentration was divided by the upstream gas concentration. It was expressed as a percentage of the value obtained.
  • the upstream concentration was 80 ⁇ 5 ppm
  • the temperature was 25 ⁇ 3 ° C
  • the relative humidity was 50 ⁇ 5%
  • the removal rate data one minute after the start of gas introduction was described in the examples.
  • Grape seed extract (Gravuinol SL manufactured by Kikkoman Corporation; 84% proanthocyanidin) dissolved in water and the amount of grape seed extract added to polyester 12g / m 2 spunbond nonwoven fabric (R004 manufactured by Mitsui Chemicals, Inc.) After impregnation to give 3g / m 2 , drying at 80 ° C for 30 minutes, the upstream member (supporting substrate: polyester, support material: grape extract) that is a grape seed extract-supporting sheet Created.
  • support substrate polyester, support material: grape extract
  • stacked laminated mist synthetic rubber based hot melt resin 2 g / m 2 sprayed to between the downstream member comprising from the upstream member and the electret nonwoven fabric is the grape seed extract carrying sheet, filter medium for air cleaning (E1) was obtained.
  • Example 1 is the same as Example 1 except that the electret nonwoven fabric in Example 1 is changed to an electret of polypropylene short fibers (2.2T x 51mm)! /, Na! /, And a spunlace nonwoven fabric is used as the downstream member. In the same manner, an air purification filter medium (R1) was obtained.
  • Example 2 a non-electret spunlace nonwoven fabric of polypropylene short fibers (2.2T x 51mm) is used, and the nonwoven fabric (supporting substrate) on which the grape seed extract is further supported is polypropylene.
  • An air purification filter medium (R2) was prepared in the same manner as in Example 1 except that 12 g / m 2 spunbond manufactured by Mitsui Chemicals, Inc. was used.
  • An air purification filter medium (R3) was prepared in the same manner as in Example 1 except that instead of the grape seed extract of Example 1, a tea extract (Shirai Matsushin Pharmaceutical Co., Ltd., 30 g of catechin) was used.
  • Example 2 Electret in the same manner as in Example 1 except that instead of the grape seed extract-carrying sheet of Example 1, a 12 g / m 2 spunbond nonwoven fabric made of polyester (R004 made by Mitsui Chemicals) was used as the upstream member. A laminate with a non-woven fabric was prepared, and this and the activated carbon-containing non-woven fabric prepared in Example 2 were laminated with a mist-like synthetic rubber hot melt resin (2 g / m 2 ) to obtain a filter medium for air purification ( R4) was obtained.
  • R4 mist-like synthetic rubber hot melt resin
  • Example 1 evaluation results of Example 1 (filter medium E1) and comparative examples;! To 3 (filter medium R1 to R3) are shown in Table 1, and Example 2 (filter medium E2) and a comparative example in which active carbon-containing layers are laminated 4 (filter medium R4)!
  • Table 2 shows the evaluation results for evaluating the rate.
  • it was also evaluated for the extractability of the extract and the odor of the filter medium supported by the filter medium, which is problematic in manufacturing and handling. The drop-off property was judged by whether the extract-carrying sheet alone was struck several times on the white sheet and the powder-like material could be dropped off.
  • odor the odor of the filter medium itself in the state where the filter medium was laminated was judged by a sensory test, and the presence or absence of the odor was evaluated.
  • the filter using the filter medium in which the upstream side material carrying the grape seed extract and the downstream side member made of electret non-woven fabric shown in the examples are laminated is a fine material equivalent to an allergen substance. It has excellent trapping efficiency for small particles and has an allergen reduction rate of 99% or more, and has an excellent filtration function and reduction effect for allergen substances.
  • the upstream member used in the filter of the example has excellent antibacterial properties. Since there is no odor of the member itself that does not drop off the dough seed material, the odor generated by the bacterial propagation is prevented, and the odor component removal performance of the downstream member during use can be maintained for a long time.
  • Example 2 when combined with an activated carbon-containing layer, automobile exhaust gas, soot odor, indoor VOC, and the like, which are typical examples of toluene, can be purified, further reducing the odor of downstream members and removing harmful substances. It is effective for.
  • the filter medium of Comparative Example 1 there is no downstream member of the electret nonwoven fabric V. Therefore, fine dust cannot be collected and fine allergen substances are not collected, and the downstream side of the filter medium is not collected. Leaked into The filter medium of Comparative Example 2 not only collects fine dust, but also broantcyanidine-containing materials fall off, so that the amount supported during production and use cannot be stably maintained, and the fallen matter scatters downstream. It had a problem of end.
  • the filter medium of Comparative Example 3 has a fine dust collection efficiency, it has insufficient allergen reduction effect and antibacterial property, and furthermore, since the filter medium itself has a tea-like odor, odor is also generated on the downstream side of the filter medium. It was not preferable from the viewpoint of air purification.
  • the filter medium of Comparative Example 4 was insufficient in both allergen reduction rate and antibacterial properties.
  • the filter of the present invention can remove dust, diesel exhaust gas, pollen, dust and the like in the air with high efficiency, and further reduces the effect of reducing allergen substances effectively on the filter medium and suppresses bacterial growth. Has antibacterial effect and no odor generation. Therefore, particulate materials such as air-conditioning equipment, textile products such as woven fabrics and non-woven fabrics, masks, air purification filters for vehicles, air purification filters for household appliances, air cleaner filters for vinole's factories, air purification filters for office equipment, etc. It can be widely used in fields where allergen substances and fungus odor are problematic.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Filtering Materials (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Nonwoven Fabrics (AREA)
  • Electrostatic Separation (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un matériau de filtre pour épuration de l'air, et filtre d'épuration de l'air, dont chacun présente une excellente efficacité de dépoussiérage et de performance anti-bactérienne/anti-allergènes, ne produisant aucune odeur et n'entraînant aucune élimination de substance active à partir du matériau de filtre, et présentant une faible résistance au flux d'air. Le matériau de filtre d'épuration de l'air comporte un élément côté amont comprenant un matériau contenant de la proanthocyanidine ou un extrait de glucose portée sur un non-tissé et un élément côté aval comprenant un non-tissé électrétisé, le matériau côté amont et le matériau côté aval étant stratifiés l'un sur l'autre.
PCT/JP2007/072819 2006-11-27 2007-11-27 Matériau de filtre pour épuration de l'air, et filtre d'épuration de l'air pour le nettoyage d'intérieur de véhicule Ceased WO2008066022A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006318681A JP2008132405A (ja) 2006-11-27 2006-11-27 空気清浄用濾材及び車室内浄化用空気清浄フィルタ
JP2006-318681 2006-11-27

Publications (1)

Publication Number Publication Date
WO2008066022A1 true WO2008066022A1 (fr) 2008-06-05

Family

ID=39467810

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/072819 Ceased WO2008066022A1 (fr) 2006-11-27 2007-11-27 Matériau de filtre pour épuration de l'air, et filtre d'épuration de l'air pour le nettoyage d'intérieur de véhicule

Country Status (2)

Country Link
JP (1) JP2008132405A (fr)
WO (1) WO2008066022A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107174868A (zh) * 2017-05-02 2017-09-19 杭州创克洛环境科技有限公司 一种车载空气净化片及其制备方法
EP3239394A4 (fr) * 2014-12-26 2018-07-25 Toray Industries, Inc. Vêtement de protection
EP3083002B1 (fr) 2013-12-18 2021-03-31 Mann+Hummel GmbH Matériau filtrant, élément filtrant et système filtrant

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2434914T3 (en) * 2009-04-30 2015-01-26 Szöllösi Péter Cigarette filter
JP6464866B2 (ja) * 2015-03-25 2019-02-06 東ソー株式会社 表面修飾基材、ポリマー被覆基材、およびそれらの製造方法
JP6185212B1 (ja) * 2016-04-27 2017-08-23 悠一 佐紺 Ｐｔｆｅフィルムを用いた成形体フィルター、及びそれを用いた医療吸引器用ディスポーザブルバッグまたは容器
WO2019187403A1 (fr) 2018-03-30 2019-10-03 グリーンプラ株式会社 Filtre de collecte de virus pour système d'aspirateur médical

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5152385A (fr) * 1974-11-01 1976-05-08 Asahi Chemical Ind
JP2001029444A (ja) * 1999-07-23 2001-02-06 Sanyo Electric Co Ltd 空気清浄機
JP2001278792A (ja) * 2000-03-28 2001-10-10 Kikkoman Corp 抗アレルギー、抗炎症剤並びにこれを含有する医薬組成物、医薬部外品、化粧品、食品及び動物用飼料
JP2005104847A (ja) * 2003-09-26 2005-04-21 Fumakilla Ltd アレルゲン除去剤
JP2005152796A (ja) * 2003-11-26 2005-06-16 Matsushita Electric Ind Co Ltd 空気清浄フィルターおよび装置
JP2005218967A (ja) * 2004-02-05 2005-08-18 Mitsubishi Heavy Ind Ltd アレルゲン不活性化フィルタおよびこのアレルゲン不活性化フィルタを用いた車両用空調機
JP2006111812A (ja) * 2004-10-18 2006-04-27 Mie Prefecture アレルゲン低減化組成物及びアレルゲン低減化部材
JP2006207046A (ja) * 2005-01-25 2006-08-10 Kujira House Kk 抗菌性の紙、不織布または繊維製品

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5152385A (fr) * 1974-11-01 1976-05-08 Asahi Chemical Ind
JP2001029444A (ja) * 1999-07-23 2001-02-06 Sanyo Electric Co Ltd 空気清浄機
JP2001278792A (ja) * 2000-03-28 2001-10-10 Kikkoman Corp 抗アレルギー、抗炎症剤並びにこれを含有する医薬組成物、医薬部外品、化粧品、食品及び動物用飼料
JP2005104847A (ja) * 2003-09-26 2005-04-21 Fumakilla Ltd アレルゲン除去剤
JP2005152796A (ja) * 2003-11-26 2005-06-16 Matsushita Electric Ind Co Ltd 空気清浄フィルターおよび装置
JP2005218967A (ja) * 2004-02-05 2005-08-18 Mitsubishi Heavy Ind Ltd アレルゲン不活性化フィルタおよびこのアレルゲン不活性化フィルタを用いた車両用空調機
JP2006111812A (ja) * 2004-10-18 2006-04-27 Mie Prefecture アレルゲン低減化組成物及びアレルゲン低減化部材
JP2006207046A (ja) * 2005-01-25 2006-08-10 Kujira House Kk 抗菌性の紙、不織布または繊維製品

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3083002B1 (fr) 2013-12-18 2021-03-31 Mann+Hummel GmbH Matériau filtrant, élément filtrant et système filtrant
EP3239394A4 (fr) * 2014-12-26 2018-07-25 Toray Industries, Inc. Vêtement de protection
CN107174868A (zh) * 2017-05-02 2017-09-19 杭州创克洛环境科技有限公司 一种车载空气净化片及其制备方法

Also Published As

Publication number Publication date
JP2008132405A (ja) 2008-06-12

Similar Documents

Publication Publication Date Title
US10300419B2 (en) Filter medium, filter element and filter arrangement
US9421294B2 (en) Deodorizing mask
WO2008066022A1 (fr) Matériau de filtre pour épuration de l'air, et filtre d'épuration de l'air pour le nettoyage d'intérieur de véhicule
EP2524703A1 (fr) Tissu non tissé pour filtre et procédé de fabrication de celui-ci
CN101370383A (zh) 具有抗微生物特性的空气过滤器
WO2004110593A1 (fr) Epurateur d'air, filtre fonctionnel, procede de production de filtre, filtre et dispositif d'epurateur d'air
EP3256231A1 (fr) Milieu filtrant et filtres comprenant celui-ci
US20220305417A1 (en) Anti-microbial, anti-allergenic bio-functional air filter medium and air filter element
US20240131462A1 (en) Air-cleaning filter having dust collecting and deodorizing functions and preparation method therefor
JP2008272629A (ja) 抗アレルゲンフィルタ
KR20110060526A (ko) 포름알데히드 흡착 기능성 필터 여재 및 그 제조방법
JP2015062860A (ja) 脱臭剤封入濾材
JP6257547B2 (ja) 脱臭剤封入濾材
JP4746454B2 (ja) 機能性フィルタ、複合エアフィルタ及びフィルタエレメント
KR102214881B1 (ko) 에어 필터 여재 및 에어 필터
CN208161212U (zh) 一种中草药智能汽车空调滤芯
KR102348819B1 (ko) 활성탄소섬유, 활성탄 및 섬유상 바인더를 통해 유해가스 흡착거동이 제어된 필터 및 이의 제조 방법
KR102436259B1 (ko) 천연물 유래 조성물이 적용된 생분해성 고분자를 포함하는 유해물질 흡착부재
TWM553796U (zh) 全功能香氛濾網
WO2009031944A2 (fr) Matériau filtrant pour milieu gazeux
JP2000327512A (ja) 抗菌消臭剤とそれを用いたフィルタ
US20250256232A1 (en) Filter element with an anti-microbial finish and a fine filter layer
JPS6075322A (ja) 空気清浄器の消臭フイルタ−
KR20210032780A (ko) 산소 발생 융복합필터
JP2002306911A (ja) 抗菌性除塵フィルター

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: 07832544

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07832544

Country of ref document: EP

Kind code of ref document: A1