WO2021002096A1 - Apparatus and method for manufacturing deodorizing sheet - Google Patents

Apparatus and method for manufacturing deodorizing sheet Download PDF

Info

Publication number
WO2021002096A1
WO2021002096A1 PCT/JP2020/018840 JP2020018840W WO2021002096A1 WO 2021002096 A1 WO2021002096 A1 WO 2021002096A1 JP 2020018840 W JP2020018840 W JP 2020018840W WO 2021002096 A1 WO2021002096 A1 WO 2021002096A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheets
adhesive resin
deodorant
sheet
manufacturing apparatus
Prior art date
Application number
PCT/JP2020/018840
Other languages
French (fr)
Japanese (ja)
Inventor
晃太朗 下川
関　豊太
耕平 西
Original Assignee
東洋紡株式会社
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 東洋紡株式会社 filed Critical 東洋紡株式会社
Priority to JP2021529901A priority Critical patent/JPWO2021002096A1/ja
Publication of WO2021002096A1 publication Critical patent/WO2021002096A1/en

Links

Images

Classifications

    • 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
    • A61L9/01—Deodorant compositions
    • 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
    • A61L9/01—Deodorant compositions
    • A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • 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
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate

Definitions

  • the present invention relates to a manufacturing apparatus and a manufacturing method for a deodorizing sheet sandwiching a deodorant.
  • Deodorizing sheets that have the function of removing odors, etc. are widely used as filters used in the gas phase and liquid phase.
  • the gas phase it is used to remove malodorous components, harmful components, moisture, etc. in the air, and is used in air purifiers, air conditioners, building materials, and the like.
  • the liquid phase it is used for improving water quality, decolorizing drinks such as alcohol, and improving flavor.
  • the deodorizing sheet generally has a structure in which a particulate deodorant is sandwiched between two sheets.
  • an adhesive component is mixed with the deodorant using a device as shown in FIG. 5 and sandwiched between the two sheets. It is glued with.
  • Particulate thermoplastic resin is widely used as an adhesive component, and it is produced by sandwiching a mixture of a thermoplastic resin and a deodorant between two sheets and then heat-pressing the mixture (see Patent Document 1).
  • the deodorizing sheet is produced by the above-mentioned conventional technique, (a) the deodorizing agent is coated with the thermoplastic resin to deteriorate the deodorizing performance, and (b) it is necessary to add a sufficient amount of heat to melt the thermoplastic resin. There is a problem that it is difficult to increase the manufacturing speed.
  • the present invention has been made in view of the above problems, and an object of the present invention is to suppress deterioration of deodorant performance due to coating of an adhesive component, increase the production speed, and suppress deterioration of dust collection performance due to heating in the production of a deodorizing sheet. That is.
  • the present invention is as follows.
  • a deodorizing sheet manufacturing apparatus in which a layer containing a deodorant is laminated between two sheets.
  • a coating means for applying the adhesive resin to the two sheets, respectively, and
  • a spraying means for spraying the deodorant on the surface coated with the adhesive resin
  • a manufacturing apparatus comprising: a crimping means for crimping the two sheets in a state where the surfaces coated with the adhesive resin face each other.
  • the adhesive resin is an olefin-based and / or a synthetic rubber-based resin.
  • the coating of the deodorant by the adhesive component can be significantly reduced. Further, since the heat required for melting the adhesive component is applied at the time of resin coating, heat is not applied after laminating, so that the production speed can be significantly increased. In addition, since heat is not applied after lamination, deterioration of dust collection performance due to heating can be suppressed. Similarly, the method for producing a deodorizing sheet of the present invention suppresses a decrease in deodorant performance due to coating of an adhesive component, increases the production rate, and suppresses a decrease in dust collection performance due to heating.
  • the device for manufacturing a deodorizing sheet of the present embodiment is a device for manufacturing a deodorizing sheet in which a layer containing a deodorant is laminated between two sheets, and as shown in FIG. 1, an adhesive resin is applied to the sheets.
  • Each configuration of the manufacturing apparatus can be freely arranged, and may be arranged as shown in FIG. 2, for example.
  • a woven fabric and / or a non-woven fabric can be used and is appropriately selected in consideration of the purpose of use of the deodorizing sheet, but a thermal bond non-woven fabric made of polyester or polypropylene, a melt blown non-woven fabric, a spunbond non-woven fabric and the like are preferable. Used for.
  • each sheet may have a multi-layer structure in which two or more kinds of woven fabrics and / or non-woven fabric layers are laminated.
  • one or both sheets may be electret processed.
  • the deodorant is preferably in the form of particles, and the particle size thereof is preferably 10 ⁇ m to 1000 ⁇ m in terms of processability and productivity.
  • the deodorant activated carbon, silica gel and the like can be preferably used.
  • powdered adhesive components can be sprayed at the same time to assist the adhesive strength.
  • a plurality of spraying portions S can be provided in parallel. In this case, a different deodorant may be sprayed for each spraying portion S, or the same deodorant may be sprayed to increase the processed basis weight.
  • the amount of the deodorant added is not particularly limited, but is preferably 50 to 200 g per 1 m 2 of the sheet. If it is less than 50 g / m 2 , high deodorizing performance cannot be expected, and if it is more than 200 g / m 2, it becomes difficult to bond the sheet.
  • the coating portions N1 and N2 to which the adhesive resin is applied are configured to spray and apply the melted adhesive resin together with hot air using a hot melt gun.
  • an olefin-based resin, a synthetic rubber-based resin, or the like can be used, and the amount to be applied is preferably 5 to 20 g per 1 m 2 . If it is less than 5 g / m 2 , the adhesive strength is insufficient, and if it is more than 20 g / m 2 , economic waste occurs, and the air permeability is impaired when the deodorizing sheet is used as a filter.
  • the softening point of the adhesive resin is preferably 100 ° C to 180 ° C in terms of workability. If it is lower than 100 ° C., the heat resistance in bonding the finished deodorizing sheet becomes low, and if it is higher than 180 ° C., a high temperature resin is applied to the sheet, which causes problems such as shrinkage and deformation of the sheet.
  • coating parts N1 and N2 there are two coating parts, coating parts N1 and N2, to which the adhesive resin is applied, but different resins can be selected in consideration of the adhesiveness with each adhesive material.
  • a method of pressurizing and adhering using one or more sets of rolls is preferable, but as shown in FIG. 4, a crimping method such as pressurizing using a plate-shaped jig and a roll is used. If there is, it can be adopted.
  • the deodorizing sheet it is possible to manufacture a sheet having a multi-layer structure by passing the manufacturing apparatus of the present embodiment a plurality of times.
  • the deodorizing sheet manufactured by the manufacturing apparatus of the present embodiment can be set as the first sheet R1 and / or the second sheet R2 of FIG. 1 and laminated again.
  • the method for producing a deodorizing sheet of the present embodiment is a method for producing a deodorizing sheet in which a layer containing a deodorant is laminated between the two sheets, and a coating step of applying an adhesive resin to each of the two sheets.
  • the process includes a spraying step of spraying the deodorant on the surface coated with the adhesive resin, and a crimping step of crimping the two sheets with the surfaces coated with the adhesive resin facing each other.
  • Example 1 ⁇ Manufacturing equipment> A deodorizing sheet manufacturing apparatus having the configuration shown in FIG. 1 was used. ⁇ Sheet> The first sheet R1 and the second sheet R2 were used as the two sheets sandwiching the deodorant.
  • an electret-processed polypropylene meltblown non-woven fabric (with a grain of 20 g / m 2 ) was used.
  • a polyester thermal bond non-woven fabric (with a grain of 50 g / m 2 ) was used for the second sheet R2.
  • the coating unit N1 and the coating unit N2 are configured to spray and apply the molten adhesive resin together with hot air using a hot melt gun.
  • ⁇ Deodorant> Yashigara activated carbon with an average particle size of 400 ⁇ m was used. It was sprayed from the spraying portion S, and the spraying amount was 100 g / m 2 .
  • the deodorizing sheet of Example 1 having a basis weight of 180 g / m 2 was obtained by crimping with the deodorizing sheet manufacturing apparatus having the configuration shown in FIG. (Comparative Example 1) ⁇ Manufacturing equipment> A conventional deodorizing sheet manufacturing apparatus having the configuration shown in FIG. 5 was used. ⁇ Sheet> The same non-woven fabric as in Example 1 was used for both the first sheet R1 and the second sheet R2. ⁇ Deodorant> The same 10: 1 mixture of coconut shell activated carbon having an average particle diameter of 400 ⁇ m and a powdery binder (low melting point polyester resin having an average particle diameter of 20 ⁇ m) as in Example 1 was used.
  • the deodorizing sheets of Example 1 and Comparative Example 1 were pleated, respectively, and the filter unit had a filter thickness of 30 mm, a fold peak spacing of 6 mm, and a front size of 200 mm ⁇ 200 mm. It was prepared and the ventilation resistance in the unit state was measured. It is necessary to carry out the heat set after the pleating process in order to firmly establish the folding habit, but the heat set was carried out by setting the upper and lower heat plate temperature of the heat set to 100 ° C.
  • Table 1 shows the deodorizing performance and dust collecting performance of the deodorizing sheets of Example 1 and Comparative Example 1. As can be seen from Table 1, the deodorizing sheet of Example 1 has less coating with the adhesive resin and has high deodorizing performance. In addition, the heat load on the electret non-woven fabric is small and the dust collection performance is high.
  • the deodorizing sheet manufactured by the manufacturing apparatus or manufacturing method of the present invention is suitable for, for example, a cabin filter for automobiles, a gas phase filter for an air purifier or an air conditioner, a humidity control agent for building materials, a decolorizing agent used in a liquid phase, and the like. Can be used for.
  • the deodorizing sheet has a higher manufacturing speed than the conventional technique, and can realize high dust collection efficiency and high deodorizing efficiency.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The present invention is an apparatus for manufacturing a deodorizing sheet constituted by stacking layers comprising a deodorizer disposed between two sheets, the apparatus comprising: an application means for applying an adhesive resin to each of the two sheets; a scattering means for scattering the deodorizer over the surfaces to which the adhesive resin has been applied; and a crimping means for crimping the two sheets with the faces thereof to which the adhesive resin has been applied facing each other.

Description

脱臭シートの製造装置および製造方法Deodorizing sheet manufacturing equipment and manufacturing method
　本発明は、脱臭剤を挟んだ脱臭シートの製造装置および製造方法に関する。 The present invention relates to a manufacturing apparatus and a manufacturing method for a deodorizing sheet sandwiching a deodorant.
　臭気等を除去する機能を有する脱臭シートは、気相、液相で用いるフィルター用途に広く使用されている。気相においては、空気中の悪臭成分、有害成分、水分などを除去するために使用され、空気清浄機、エアコン、建築資材などに活用されている。液相においては、水質改善や酒等の飲み物の脱色、風味改善などに活用されている。 Deodorizing sheets that have the function of removing odors, etc. are widely used as filters used in the gas phase and liquid phase. In the gas phase, it is used to remove malodorous components, harmful components, moisture, etc. in the air, and is used in air purifiers, air conditioners, building materials, and the like. In the liquid phase, it is used for improving water quality, decolorizing drinks such as alcohol, and improving flavor.
　脱臭シートは、一般に粒子状の脱臭剤を２つのシートで挟んだ構造であり、製造にあたっては、図５に示すような装置を用いて、脱臭剤に接着成分を混合し、２つのシートで挟んで接着される。接着成分には、粒子状の熱可塑性樹脂が広く用いられ、熱可塑性樹脂と脱臭剤との混合物を２つのシートで挟んだ後、加熱圧着して製造される（特許文献１参照）。 The deodorizing sheet generally has a structure in which a particulate deodorant is sandwiched between two sheets. In manufacturing, an adhesive component is mixed with the deodorant using a device as shown in FIG. 5 and sandwiched between the two sheets. It is glued with. Particulate thermoplastic resin is widely used as an adhesive component, and it is produced by sandwiching a mixture of a thermoplastic resin and a deodorant between two sheets and then heat-pressing the mixture (see Patent Document 1).
日本国特許第４０９９７１４号Japanese Patent No. 4099714
　脱臭シートを上記従来技術で生産した場合、（ａ）脱臭剤が熱可塑性樹脂に被覆されることで脱臭性能が低下する、（ｂ）熱可塑性樹脂を溶融させるために十分な熱量を加える必要があり製造速度を上げることが難しい、という問題がある。 When the deodorizing sheet is produced by the above-mentioned conventional technique, (a) the deodorizing agent is coated with the thermoplastic resin to deteriorate the deodorizing performance, and (b) it is necessary to add a sufficient amount of heat to melt the thermoplastic resin. There is a problem that it is difficult to increase the manufacturing speed.
　また、脱臭シートをエアフィルター用途に使用する場合は、積層するシートに集塵性能を付与することも多く、その場合、シートにはエレクトレット加工（帯電加工）された不織布等が適用される。しかし、脱臭シートを製造するにあたり、従来技術のごとく加熱圧着した場合、（ｃ）エレクトレット加工されたシートの集塵性能が低下する、という問題もある。 In addition, when a deodorizing sheet is used for an air filter, dust collecting performance is often given to the laminated sheets, and in that case, an electret-processed (charge-processed) non-woven fabric or the like is applied to the sheet. However, when the deodorizing sheet is manufactured by heat-pressing as in the prior art, there is also a problem that (c) the dust collecting performance of the electret-processed sheet is deteriorated.
　そこで、本発明は上記課題に鑑みなされ、その目的は、脱臭シートの製造において、接着成分の被覆による脱臭剤の性能低下を抑制し、製造速度を増加し、加熱による集塵性能低下を抑制することである。 Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to suppress deterioration of deodorant performance due to coating of an adhesive component, increase the production speed, and suppress deterioration of dust collection performance due to heating in the production of a deodorizing sheet. That is.
　本発明者らは鋭意検討した結果、以下に示す手段により、遂に本発明を完成するに到った。すなわち本発明は、以下の通りである。
（１）２つのシートの間に脱臭剤を含む層が積層された脱臭シートの製造装置において、
　接着用樹脂を、前記２つのシートにそれぞれ塗布する塗布手段と、
　前記脱臭剤を前記接着用樹脂が塗布された面に散布する散布手段と、
　前記２つのシートを前記接着用樹脂が塗布された面同士が対向した状態で圧着する圧着手段と、を備えたことを特徴とする製造装置。
（２）前記接着用樹脂が、オレフィン系および／または合成ゴム系であることを特徴とする（１）に記載の製造装置。
（３）前記粒子状脱臭剤が、活性炭および／またはシリカゲルであることを特徴とする（１）または（２）に記載の製造装置。
（４）前記２つのシートのうち少なくとも１つが、エレクトレット加工されていることを特徴とする（１）から（３）のいずれか１つに記載の製造装置。
（５）２つのシートの間に脱臭剤を含む層が積層された脱臭シートの製造方法において、
　接着用樹脂を、前記２つのシートにそれぞれ塗布する塗布工程と、
　前記脱臭剤を前記接着用樹脂が塗布された面に散布する散布工程と、
　前記２つのシートを前記接着用樹脂が塗布された面同士が対向した状態で圧着する圧着工程と、を含むことを特徴とする製造方法。 As a result of diligent studies, the present inventors have finally completed the present invention by the means shown below. That is, the present invention is as follows.
(1) In a deodorizing sheet manufacturing apparatus in which a layer containing a deodorant is laminated between two sheets.
A coating means for applying the adhesive resin to the two sheets, respectively, and
A spraying means for spraying the deodorant on the surface coated with the adhesive resin, and
A manufacturing apparatus comprising: a crimping means for crimping the two sheets in a state where the surfaces coated with the adhesive resin face each other.
(2) The manufacturing apparatus according to (1), wherein the adhesive resin is an olefin-based and / or a synthetic rubber-based resin.
(3) The manufacturing apparatus according to (1) or (2), wherein the particulate deodorant is activated carbon and / or silica gel.
(4) The manufacturing apparatus according to any one of (1) to (3), wherein at least one of the two sheets is electret-processed.
(5) In a method for manufacturing a deodorizing sheet in which a layer containing a deodorant is laminated between two sheets.
The coating process of applying the adhesive resin to the two sheets, respectively, and
A spraying step of spraying the deodorant on the surface coated with the adhesive resin, and
A manufacturing method comprising a crimping step of crimping the two sheets in a state where the surfaces coated with the adhesive resin face each other.
　本発明の脱臭シートの製造装置によると、接着成分はシートに塗布されるため、接着成分による脱臭剤の被覆を大幅に低減することができる。また、接着成分の溶融に必要な熱は樹脂塗布時に加えられるため、積層後に熱を加えないため、製造スピードを大幅に増すことができる。加えて、積層後に熱を加えないため、加熱による集塵性能低下を抑制することができる。本発明の脱臭シートの製造方法も同様に、接着成分の被覆による脱臭剤の性能低下を抑制し、製造速度を増加し、加熱による集塵性能低下を抑制する。 According to the deodorizing sheet manufacturing apparatus of the present invention, since the adhesive component is applied to the sheet, the coating of the deodorant by the adhesive component can be significantly reduced. Further, since the heat required for melting the adhesive component is applied at the time of resin coating, heat is not applied after laminating, so that the production speed can be significantly increased. In addition, since heat is not applied after lamination, deterioration of dust collection performance due to heating can be suppressed. Similarly, the method for producing a deodorizing sheet of the present invention suppresses a decrease in deodorant performance due to coating of an adhesive component, increases the production rate, and suppresses a decrease in dust collection performance due to heating.
本実施形態の脱臭シート製造装置の概略構成を示す図である。It is a figure which shows the schematic structure of the deodorizing sheet manufacturing apparatus of this embodiment. 本実施形態の別の脱臭シート製造装置の概略構成を示す図である。It is a figure which shows the schematic structure of another deodorizing sheet manufacturing apparatus of this embodiment. 本実施形態の別の脱臭シート製造装置の概略構成を示す図である。It is a figure which shows the schematic structure of another deodorizing sheet manufacturing apparatus of this embodiment. 本実施形態の別の脱臭シート製造装置の概略構成を示す図である。It is a figure which shows the schematic structure of another deodorizing sheet manufacturing apparatus of this embodiment. 従来の脱臭シート製造装置の概略構成を示す図である。It is a figure which shows the schematic structure of the conventional deodorizing sheet manufacturing apparatus.
　以下、本発明の実施形態について詳細に説明する。
　本実施形態の脱臭シートの製造装置は、２つのシートの間に脱臭剤を含む層が積層された脱臭シートを製造する装置であり、図１に示すように、接着用樹脂をシートに塗布する第１塗布部Ｎ１及び第２塗布部Ｎ２と、シートに脱臭剤を散布する散布部Ｓと、２つのシートを接着用樹脂が塗布された面同士が対向した状態で圧着する圧着部Ｌとを有する。 Hereinafter, embodiments of the present invention will be described in detail.
The device for manufacturing a deodorizing sheet of the present embodiment is a device for manufacturing a deodorizing sheet in which a layer containing a deodorant is laminated between two sheets, and as shown in FIG. 1, an adhesive resin is applied to the sheets. The first coating portion N1 and the second coating portion N2, the spraying portion S for spraying the deodorant on the sheets, and the crimping portion L for crimping the two sheets with the surfaces coated with the adhesive resin facing each other. Have.
　製造装置の各構成は自由に配置することができ、例えば図２のような配置でもよい。 Each configuration of the manufacturing apparatus can be freely arranged, and may be arranged as shown in FIG. 2, for example.
　２つのシートとしては、織布および／または不織布を用いることができ、脱臭シートの使用目的を鑑みて適宜選択されるが、ポリエステルやポリプロピレン製のサーマルボンド不織布、メルトブローン不織布、スパンボンド不織布等が好適に用いられる。 As the two sheets, a woven fabric and / or a non-woven fabric can be used and is appropriately selected in consideration of the purpose of use of the deodorizing sheet, but a thermal bond non-woven fabric made of polyester or polypropylene, a melt blown non-woven fabric, a spunbond non-woven fabric and the like are preferable. Used for.
　本実施形態では２つのシートを必要とするが、これらの組成は、同じであっても異なっていてもよい。また、それぞれのシートが２種類以上の織布および／または不織布層を積層した多層構造であってもよい。さらに、片方または両方のシートが、エレクトレット加工されていてもよい。 Although two sheets are required in this embodiment, their compositions may be the same or different. Further, each sheet may have a multi-layer structure in which two or more kinds of woven fabrics and / or non-woven fabric layers are laminated. In addition, one or both sheets may be electret processed.
　脱臭剤は好ましくは粒子状であり、その粒子径は１０μｍ～１０００μｍであることが加工性及び生産性の上で好ましい。脱臭剤としては、活性炭、シリカゲル等を好適に用いることができる。また、接着強度を補助するために、粉末状の接着成分を同時に散布することもできる。加えて、図３に示すように散布部Ｓを並列して複数設けることも可能である。この場合、散布部Ｓごとに異なる脱臭剤を散布してもよいし、同じ脱臭剤を散布して加工目付を上げてもよい。 The deodorant is preferably in the form of particles, and the particle size thereof is preferably 10 μm to 1000 μm in terms of processability and productivity. As the deodorant, activated carbon, silica gel and the like can be preferably used. In addition, powdered adhesive components can be sprayed at the same time to assist the adhesive strength. In addition, as shown in FIG. 3, a plurality of spraying portions S can be provided in parallel. In this case, a different deodorant may be sprayed for each spraying portion S, or the same deodorant may be sprayed to increase the processed basis weight.
　脱臭剤の添加量は特に限定されないが、シート１ｍ２あたり５０～２００ｇであることが好ましい。５０ｇ／ｍ２よりも少ないと高い脱臭性能が期待できず、２００ｇ／ｍ２よりも多いとシートの接着が困難となる。 The amount of the deodorant added is not particularly limited, but is preferably 50 to 200 g per 1 m 2 of the sheet. If it is less than 50 g / m 2 , high deodorizing performance cannot be expected, and if it is more than 200 g / m 2, it becomes difficult to bond the sheet.
　接着用樹脂を塗布する塗布部Ｎ１，Ｎ２は、ホットメルトガンを用いて、溶融した接着用樹脂を熱風とともに噴射、塗布する構成であるのが好ましい。 It is preferable that the coating portions N1 and N2 to which the adhesive resin is applied are configured to spray and apply the melted adhesive resin together with hot air using a hot melt gun.
　接着用樹脂としては、オレフィン系、合成ゴム系の樹脂などを用いることができ、塗布する量は１ｍ２あたり５～２０ｇが好ましい。５ｇ／ｍ２よりも少ないと接着強度が不足し、２０ｇ／ｍ２よりも多いと経済的な無駄が生じ、脱臭シートをフィルターとして使用する際に通気性が損なわれる。 As the adhesive resin, an olefin-based resin, a synthetic rubber-based resin, or the like can be used, and the amount to be applied is preferably 5 to 20 g per 1 m 2 . If it is less than 5 g / m 2 , the adhesive strength is insufficient, and if it is more than 20 g / m 2 , economic waste occurs, and the air permeability is impaired when the deodorizing sheet is used as a filter.
　接着用樹脂の軟化点は１００℃～１８０℃であることが、加工性の面で好ましい。１００℃よりも低いと、出来上がった脱臭シートの接着における耐熱性が低くなり、１８０℃よりも高いと、高温の樹脂をシートに塗布することになり、シートが収縮変形するなどの問題が生じる。 The softening point of the adhesive resin is preferably 100 ° C to 180 ° C in terms of workability. If it is lower than 100 ° C., the heat resistance in bonding the finished deodorizing sheet becomes low, and if it is higher than 180 ° C., a high temperature resin is applied to the sheet, which causes problems such as shrinkage and deformation of the sheet.
　接着用樹脂を塗布する塗布部は塗布部Ｎ１，Ｎ２の２つあるが、各々の接着材料との接着性を考慮して、それぞれ異なる樹脂を選択することもできる。 There are two coating parts, coating parts N1 and N2, to which the adhesive resin is applied, but different resins can be selected in consideration of the adhesiveness with each adhesive material.
　積層シートを圧着する圧着部Ｌでは、１組以上のロールを用いて加圧し接着する方法が好ましいが、図４に示すように板状の冶具とロールを用いて加圧するなど、圧着できる方法であれば採用することができる。 In the crimping portion L for crimping the laminated sheet, a method of pressurizing and adhering using one or more sets of rolls is preferable, but as shown in FIG. 4, a crimping method such as pressurizing using a plate-shaped jig and a roll is used. If there is, it can be adopted.
　脱臭シートを製造するにあたり、本実施形態の製造装置を複数回通過させることにより、多層構造のシートを製造することもできる。例えば、本実施形態の製造装置で製造された脱臭シートを図１の第１シートＲ１および／または第２シートＲ２としてセットし、再度積層することが可能である。 In manufacturing the deodorizing sheet, it is possible to manufacture a sheet having a multi-layer structure by passing the manufacturing apparatus of the present embodiment a plurality of times. For example, the deodorizing sheet manufactured by the manufacturing apparatus of the present embodiment can be set as the first sheet R1 and / or the second sheet R2 of FIG. 1 and laminated again.
　また、本実施形態の脱臭シートの製造方法は、２つのシートの間に脱臭剤を含む層が積層された脱臭シートの製造方法であり、接着用樹脂を、２つのシートにそれぞれ塗布する塗布工程と、脱臭剤を接着用樹脂が塗布された面に散布する散布工程と、２つのシートを接着用樹脂が塗布された面同士が対向した状態で圧着する圧着工程と、を含む。 Further, the method for producing a deodorizing sheet of the present embodiment is a method for producing a deodorizing sheet in which a layer containing a deodorant is laminated between the two sheets, and a coating step of applying an adhesive resin to each of the two sheets. The process includes a spraying step of spraying the deodorant on the surface coated with the adhesive resin, and a crimping step of crimping the two sheets with the surfaces coated with the adhesive resin facing each other.
　以下、実施例によって本発明の作用効果をより具体的に示す。下記の実施例は本発明を限定する性質のものではなく、前・後記の趣旨に沿って設計変更することはいずれも本発明の技術的範囲に含まれるものである。また、以下に記載の数値はあくまで、以下の実施例および比較例でのものであり、本発明はこれらの数値に限定されない。 Hereinafter, the effects of the present invention will be shown more specifically by examples. The following examples are not of a nature that limits the present invention, and any design modification according to the gist of the above and the following is included in the technical scope of the present invention. In addition, the numerical values described below are only for the following Examples and Comparative Examples, and the present invention is not limited to these numerical values.
　まず、以下で説明する実施例および比較例で用いた不織布および吸湿性材料を含む層の材料について説明する。なお、材料や記載の数値はあくまで、以下の実施例および比較例でのものであり、本発明は記載されたものに限定されない。 First, the material of the layer containing the non-woven fabric and the hygroscopic material used in the examples and comparative examples described below will be described. It should be noted that the materials and the numerical values described are only those in the following Examples and Comparative Examples, and the present invention is not limited to those described.
（実施例１）
＜製造装置＞
　図１に示す構成の脱臭シート製造装置を用いた。
＜シート＞
　脱臭剤を挟む２つのシートとして第１シートＲ１および第２シートＲ２を用いた。第１シートＲ１に、エレクトレット加工されたポリプロピレン製メルトブローン不織布（目付２０ｇ／ｍ２）を用いた。第２シートＲ２に、ポリエステル製サーマルボンド不織布（目付５０ｇ／ｍ２）を用いた。
＜接着用樹脂＞
　軟化点１２０℃のオレフィン樹脂を用いた。塗布部Ｎ１および塗布部Ｎ２より塗布し、塗布量は１０ｇ／ｍ２とした。塗布部Ｎ１および塗布部Ｎ２は、ホットメルトガンを用いて、溶融した接着用樹脂を熱風とともに噴射、塗布する構成である。 (Example 1)
<Manufacturing equipment>
A deodorizing sheet manufacturing apparatus having the configuration shown in FIG. 1 was used.
<Sheet>
The first sheet R1 and the second sheet R2 were used as the two sheets sandwiching the deodorant. For the first sheet R1, an electret-processed polypropylene meltblown non-woven fabric (with a grain of 20 g / m 2 ) was used. A polyester thermal bond non-woven fabric (with a grain of 50 g / m 2 ) was used for the second sheet R2.
<Adhesive resin>
An olefin resin having a softening point of 120 ° C. was used. It was applied from the coating part N1 and the coating part N2, and the coating amount was 10 g / m 2 . The coating unit N1 and the coating unit N2 are configured to spray and apply the molten adhesive resin together with hot air using a hot melt gun.
＜脱臭剤＞
　平均粒子径４００μｍのヤシガラ活性炭を用いた。散布部Ｓより散布し、散布量は１００ｇ／ｍ２とした。 <Deodorant>
Yashigara activated carbon with an average particle size of 400 μm was used. It was sprayed from the spraying portion S, and the spraying amount was 100 g / m 2 .
　図１に示す構成の脱臭シート製造装置にて圧着し、目付１８０ｇ／ｍ２の実施例１の脱臭シートを得た。
（比較例１）
＜製造装置＞
　図５に示す構成の従来の脱臭シート製造装置を用いた。
＜シート＞
　第１シートＲ１および第２シートＲ２ともに実施例１と同じ不織布を用いた。
＜脱臭剤＞
　実施例１と同じ平均粒子径４００μｍのヤシガラ活性炭と粉末状バインダー（平均粒子径２０μｍの低融点ポリエステル樹脂）とを１０：１で混合したものを用いた。この混合物を散布部Ｓにより散布し、散布量は１１０ｇ／ｍ２とした。
＜熱圧着＞
　図５に示す構成の従来の脱臭シート製造装置にて加熱圧着し、目付１８０ｇ／ｍ２の比較例１の脱臭シートを得た。 The deodorizing sheet of Example 1 having a basis weight of 180 g / m 2 was obtained by crimping with the deodorizing sheet manufacturing apparatus having the configuration shown in FIG.
(Comparative Example 1)
<Manufacturing equipment>
A conventional deodorizing sheet manufacturing apparatus having the configuration shown in FIG. 5 was used.
<Sheet>
The same non-woven fabric as in Example 1 was used for both the first sheet R1 and the second sheet R2.
<Deodorant>
The same 10: 1 mixture of coconut shell activated carbon having an average particle diameter of 400 μm and a powdery binder (low melting point polyester resin having an average particle diameter of 20 μm) as in Example 1 was used. This mixture was sprayed by the spraying portion S, and the spraying amount was 110 g / m 2 .
<Thermocompression bonding>
The deodorizing sheet of Comparative Example 1 having a basis weight of 180 g / m 2 was obtained by heat-pressing with a conventional deodorizing sheet manufacturing apparatus having the configuration shown in FIG.
＜性能評価＞
　フィルターユニット化した形状での効果を確認するため、実施例１および比較例１の脱臭シートを、それぞれ、プリーツ加工実施し、フィルター厚み３０ｍｍ、ひだ山頂点間隔６ｍｍ、正面サイズ２００ｍｍ×２００ｍｍフィルターユニットを作製し、ユニット状態での通気抵抗を測定した。折り癖を強固につけるためプリーツ加工後にヒートセットを実施する必要があるが、ヒートセットの上下熱版温度を１００℃に設定して実施した。 <Performance evaluation>
In order to confirm the effect of the filter unit shape, the deodorizing sheets of Example 1 and Comparative Example 1 were pleated, respectively, and the filter unit had a filter thickness of 30 mm, a fold peak spacing of 6 mm, and a front size of 200 mm × 200 mm. It was prepared and the ventilation resistance in the unit state was measured. It is necessary to carry out the heat set after the pleating process in order to firmly establish the folding habit, but the heat set was carried out by setting the upper and lower heat plate temperature of the heat set to 100 ° C.
　実施例１と比較例１との脱臭シートの脱臭性能と集塵性能を表１に示す。表１から分かるように、実施例１の脱臭シートは、接着用樹脂による被覆が少なく、脱臭性能が高い。また、エレクトレット不織布への熱負荷が小さく、集塵性能が高い。 Table 1 shows the deodorizing performance and dust collecting performance of the deodorizing sheets of Example 1 and Comparative Example 1. As can be seen from Table 1, the deodorizing sheet of Example 1 has less coating with the adhesive resin and has high deodorizing performance. In addition, the heat load on the electret non-woven fabric is small and the dust collection performance is high.
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
　本発明の製造装置または製造方法で製造される脱臭シートは、例えば、自動車用キャビンフィルター、空気清浄機やエアコンの気相用フィルター、建材用途の調湿剤、液相で用いる脱色剤などに好適に利用できる。脱臭シートは、従来技術と比較して、製造速度が速く、高集塵効率、高脱臭効率を実現できる。
  The deodorizing sheet manufactured by the manufacturing apparatus or manufacturing method of the present invention is suitable for, for example, a cabin filter for automobiles, a gas phase filter for an air purifier or an air conditioner, a humidity control agent for building materials, a decolorizing agent used in a liquid phase, and the like. Can be used for. The deodorizing sheet has a higher manufacturing speed than the conventional technique, and can realize high dust collection efficiency and high deodorizing efficiency.

Claims (5)

  1. 　２つのシートの間に脱臭剤を含む層が積層された脱臭シートの製造装置において、
    　接着用樹脂を、前記２つのシートにそれぞれ塗布する塗布手段と、
    　前記脱臭剤を前記接着用樹脂が塗布された面に散布する散布手段と、
    　前記２つのシートを前記接着用樹脂が塗布された面同士が対向した状態で圧着する圧着手段と、を備えたことを特徴とする製造装置。     In a deodorizing sheet manufacturing apparatus in which a layer containing a deodorant is laminated between two sheets.
    A coating means for applying the adhesive resin to the two sheets, respectively, and
    A spraying means for spraying the deodorant on the surface coated with the adhesive resin, and
    A manufacturing apparatus comprising: a crimping means for crimping the two sheets in a state where the surfaces coated with the adhesive resin face each other.
  2. 　前記接着用樹脂が、オレフィン系および／または合成ゴム系であることを特徴とする請求項１に記載の製造装置。 The manufacturing apparatus according to claim 1, wherein the adhesive resin is an olefin-based and / or a synthetic rubber-based resin.
  3. 　前記粒子状脱臭剤が、活性炭および／またはシリカゲルであることを特徴とする請求項１または２に記載の製造装置。 The manufacturing apparatus according to claim 1 or 2, wherein the particulate deodorant is activated carbon and / or silica gel.
  4. 　前記２つのシートのうち少なくとも１つが、エレクトレット加工されていることを特徴とする請求項１から３のいずれか１項に記載の製造装置。 The manufacturing apparatus according to any one of claims 1 to 3, wherein at least one of the two sheets is electret-processed.
  5. 　２つのシートの間に脱臭剤を含む層が積層された脱臭シートの製造方法において、
    　接着用樹脂を、前記２つのシートにそれぞれ塗布する塗布工程と、
    　前記脱臭剤を前記接着用樹脂が塗布された面に散布する散布工程と、
    　前記２つのシートを前記接着用樹脂が塗布された面同士が対向した状態で圧着する圧着工程と、を含むことを特徴とする製造方法。
          In a method for manufacturing a deodorizing sheet in which a layer containing a deodorant is laminated between two sheets.
    The coating process of applying the adhesive resin to the two sheets, respectively, and
    A spraying step of spraying the deodorant on the surface coated with the adhesive resin, and
    A manufacturing method comprising a crimping step of crimping the two sheets in a state where the surfaces coated with the adhesive resin face each other.
PCT/JP2020/018840 2019-07-01 2020-05-11 Apparatus and method for manufacturing deodorizing sheet WO2021002096A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021529901A JPWO2021002096A1 (en) 2019-07-01 2020-05-11

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019122902 2019-07-01
JP2019-122902 2019-07-01

Publications (1)

Publication Number Publication Date
WO2021002096A1 true WO2021002096A1 (en) 2021-01-07

Family

ID=74100664

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/018840 WO2021002096A1 (en) 2019-07-01 2020-05-11 Apparatus and method for manufacturing deodorizing sheet

Country Status (2)

Country Link
JP (1) JPWO2021002096A1 (en)
WO (1) WO2021002096A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551417A (en) * 1978-10-09 1980-04-15 Takeda Chem Ind Ltd Filter for air purification
JPS55139814A (en) * 1979-04-18 1980-11-01 Takeda Chem Ind Ltd Production of purifying filter
JP2015029770A (en) * 2013-08-05 2015-02-16 東洋紡株式会社 Air cleaning filter medium
JP2016171875A (en) * 2015-03-17 2016-09-29 三菱製紙株式会社 Deodorant-including filter medium
CN109514940A (en) * 2017-09-19 2019-03-26 扬州亿诺无纺有限公司 Non-woven fabrics is used in a kind of scouring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551417A (en) * 1978-10-09 1980-04-15 Takeda Chem Ind Ltd Filter for air purification
JPS55139814A (en) * 1979-04-18 1980-11-01 Takeda Chem Ind Ltd Production of purifying filter
JP2015029770A (en) * 2013-08-05 2015-02-16 東洋紡株式会社 Air cleaning filter medium
JP2016171875A (en) * 2015-03-17 2016-09-29 三菱製紙株式会社 Deodorant-including filter medium
CN109514940A (en) * 2017-09-19 2019-03-26 扬州亿诺无纺有限公司 Non-woven fabrics is used in a kind of scouring

Also Published As

Publication number Publication date
JPWO2021002096A1 (en) 2021-01-07

Similar Documents

Publication Publication Date Title
JP4387367B2 (en) SOUND ABSORBING MATERIAL FOR VEHICLE OUTDOOR AND METHOD FOR PRODUCING THE SOUND ABSORBING MATERIAL FOR VEHICLE
JP4944540B2 (en) FILTER ELEMENT, MANUFACTURING METHOD THEREOF, AND USE METHOD
JP6172924B2 (en) Manufacturing method of nonwoven fabric substrate for air filter or mask
US8491689B2 (en) Joined filter media pleat packs
WO2000035672A1 (en) Porous material, air filter filter medium, air filter unit and support material for air filter filter medium
JP2014151299A (en) Filter material for filter and air filter
JP5918641B2 (en) Pleated air filter media and pleated air filter unit
JP3401809B2 (en) Composite filter media
WO2021002096A1 (en) Apparatus and method for manufacturing deodorizing sheet
JP2002018216A (en) Filter
JP3646861B2 (en) Particle-containing nonwoven fabric and method for producing the same
JP3506192B2 (en) Laminated filter media and method for producing the same
JP6594609B2 (en) Filter medium for deodorizing filter
JP2006271567A (en) Gas removal filter element and its manufacturing method
JP2014100654A (en) Filter material for air cleaning, and filter unit
CN101306279A (en) Non-solvent functionality filter medium and its production technique
JP2007160137A (en) Electret filter medium
JP4551253B2 (en) Gas removal filter element and manufacturing method thereof
JP3817057B2 (en) Deodorizing filter media unit
CN209917483U (en) Air filter with composite purification function
JP2003236319A (en) Indoor air ventilation filter and method for manufacturing the same
JP2019181463A (en) Multilayer lamination filter
JPS63137725A (en) Filter for cleaning air
JP2012170832A (en) Corrugated sheet, and adsorbing element
JP2019171250A (en) Air filter medium and air filter

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2021529901

Country of ref document: JP

Kind code of ref document: A

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

Ref document number: 20835255

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: 20835255

Country of ref document: EP

Kind code of ref document: A1