KR20090129048A - Filter media - Google Patents

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Publication number
KR20090129048A
KR20090129048A KR1020080055113A KR20080055113A KR20090129048A KR 20090129048 A KR20090129048 A KR 20090129048A KR 1020080055113 A KR1020080055113 A KR 1020080055113A KR 20080055113 A KR20080055113 A KR 20080055113A KR 20090129048 A KR20090129048 A KR 20090129048A
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South Korea
Prior art keywords
filter material
resin
nanofiber web
nanofibers
material according
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KR1020080055113A
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Korean (ko)
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흥 렬 오
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코오롱패션머티리얼 (주)
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Priority to KR1020080055113A priority Critical patent/KR20090129048A/en
Publication of KR20090129048A publication Critical patent/KR20090129048A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0627—Spun-bonded
    • 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

PURPOSE: Filter media is provided to offer good chlorine resistance and adhesion force between nano-fiber web and non-woven fabric, and offer useful availability for a gas turbine used in a plant using sea water. CONSTITUTION: Filter media is formed to structure in which nano-fiber web(C) consisting of nano-fibers is laminated on non-woven fabric(B). The chlorine resistance of the filter media is 90% or more measured by a KS K 0523 method. The nano-fiber is formed with one or more resin selected among polyurethane resin, polyamide resin and polyvinylidene difluoride resin. The non-woven fabric consists of one selected between polyester fiber and polypropylene fiber.

Description

필터재{Filter media}Filter media {Filter media}

본 발명은 필터재에 관한 것으로서, 보다 구체적으로는 부직포(B) 상에 접착제에 의해 평균직경이 100~1,000㎚인 나노섬유들로 구성된 나노섬유 웹(C)이 라미네이팅된 구조를 갖고, 상기 나노섬유에는 나노섬유 중량 대비 0.5~5.0중량%의 산화아연이 포함되어 있어 KS K 0523 방법으로 측정한 내염소성이 90% 이상인 필터재에 관한 것이다.The present invention relates to a filter material, and more particularly, has a structure in which a nanofiber web (C) consisting of nanofibers having an average diameter of 100 to 1,000 nm is laminated by an adhesive on a nonwoven fabric (B). The fiber contains 0.5 to 5.0% by weight of zinc oxide relative to the weight of the nanofiber, and relates to a filter material having a chlorine resistance of 90% or more as measured by the KS K 0523 method.

공기정화용 필터재 또는 액체 정화용 필터재로 지금까지는 부직포나 스펀본드 등이 주로 사용되어 왔으나, 상기 종래의 필터재는 내부 공극이 너무 넓어 필터링 기능이 낮은 문제점이 있었다.As the filter material for air purification or the filter material for liquid purification, nonwoven fabrics and spunbonds have been mainly used until now, but the conventional filter material has a problem that the filtering function is low because the internal pores are too wide.

이러한 단점을 극복하기 위한 방법으로 대한민국 공개특허 2006-0022406에서는 원단 또는 부직포 상에 전기방사에 의한 나노섬유 웹을 적층하는 방법으로 미세 기공을 형성시켜 필터링(Filtering) 기능을 개선시킨 필터재를 제안하고 있다.In order to overcome this drawback, Korean Patent Laid-Open Publication No. 2006-0022406 proposes a filter material which improves the filtering function by forming fine pores by laminating nanofiber webs by electrospinning on a fabric or a nonwoven fabric. have.

그러나, 나노섬유 웹이 적층된 종래의 필터재는 미세기공으로 인해 필터링 기능은 개선되지만, 내염소성이 낮아 해수를 이용하는 발전소의 가스터빈용 필터재로는 적용이 어려운 문제가 있었다.However, in the conventional filter material in which the nanofiber web is laminated, the filtering function is improved due to the micropores, but there is a problem that it is difficult to apply the filter material for the gas turbine of a power plant using seawater due to low chlorine resistance.

본 발명은 이와 같은 종래의 문제점들을 해소할 수 있도록 나노섬유 웹과 부직포 간의 접착력과 내염소성이 우수한 필터재를 제공하고자 한다.The present invention is to provide a filter material excellent in adhesion and chlorine resistance between the nanofiber web and the nonwoven fabric to solve these problems.

이와 같은 과제들을 달성하기 위한 본 발명의 필터재는 부직포(B) 상에 접착제에 의해 평균직경이 100~1,000㎚인 나노섬유들로 구성된 나노섬유 웹(C)이 라미네이팅된 구조를 갖고, 상기 나노섬유에는 나노섬유 중량 대비 0.1~5.0중량%의 산화아연이 포함되어 있어 KS K 0523 방법으로 측정한 내염소성이 90% 이상인 것을 특징으로 한다.The filter material of the present invention for achieving the above problems has a structure in which a nanofiber web (C) composed of nanofibers having an average diameter of 100 ~ 1,000nm by an adhesive on a nonwoven fabric (B) is laminated, the nanofiber It contains 0.1 to 5.0% by weight of zinc oxide relative to the weight of the nanofiber, characterized in that the chlorine resistance measured by the KS K 0523 method is more than 90%.

이하, 첨부한 도면 등을 통하여 본 발명은 상세하게 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명에 따른 필터재(A)는 도 1에 도시된 바와 같이 부직포(B) 상에 평균직경이 100~1,000㎚인 나노섬유들로 구성된 나노섬유 웹(C)이 접착제에 의해 라미네이팅된 구조를 갖는다.First, the filter material (A) according to the present invention is a nanofiber web (C) consisting of nanofibers having an average diameter of 100 ~ 1,000nm on the nonwoven fabric (B) as shown in Figure 1 is laminated with an adhesive Has a structure.

도 1은 본 발명에 따른 필터재(A)의 단면 모식도이다.1 is a schematic cross-sectional view of a filter material A according to the present invention.

상기 나노섬유 웹(C)을 구성하는 나노섬유는 그의 전체중량대비 0.1~5.0중 량%의 산화아연을 함유한다.Nanofibers constituting the nanofiber web (C) contains 0.1 to 5.0% by weight of zinc oxide relative to its total weight.

상기 산화아연의 평균직경은 10~90㎚인 것이 분산성 개선에 바람직하고, 순도는 99.0% 이상인 것이 내염소성 개선에 바람직하다.The average diameter of the zinc oxide is preferably 10 to 90 nm to improve dispersibility, and the purity is preferably 99.0% or more to improve chlorine resistance.

본 발명에서는 상기 산화아연의 평균직경 및 순도를 특별하게 한정하는 것은 아니다.In the present invention, the average diameter and purity of the zinc oxide are not particularly limited.

상기 나노섬유내 산화아연 함량이 0.1중량% 미만이면 내염소성 향상효과가 저하되고, 5.0중량%를 초과하면 전기방사성이 저하된다.When the zinc oxide content in the nanofibers is less than 0.1% by weight, the chlorine resistance improving effect is lowered, and when it exceeds 5.0% by weight, the electrospinning property is lowered.

본 발명에 따른 필터재(A)는 도 1에 도시된 바와 같이 상기 나노섬유 웹(C)이 접착제에 의해 부직포(B) 상에 접합부분(D)을 형성하는 형태로 라미네이팅된 구조를 갖는다.As shown in FIG. 1, the filter material A according to the present invention has a structure in which the nanofiber web C is laminated in a form in which the bonding portion D is formed on the nonwoven fabric B by an adhesive.

본 발명에 따른 필터재는 상기와 같이 다공성 멤브레인이 평균직경이 100~1,000㎚ 이하이고, 산화아연을 0.1~5.0중량% 함유하는 섬유(이하 "나노섬유" 라고 한다)들로 구성된 나노섬유 웹(Web)으로 구성됨과 동시에 부직포(B)와 나노섬유 웹(C)이 접착제에 의해 라미네이팅되어 있어서 내구성과 내염소성이 크게 향상되고, 필터링 기능도 개선된다.The filter material according to the present invention is a nanofiber web composed of fibers (hereinafter referred to as "nano fibers") having a porous membrane having an average diameter of 100 to 1,000 nm or less and containing 0.1 to 5.0% by weight of zinc oxide as described above. At the same time, the nonwoven fabric (B) and the nanofiber web (C) are laminated with an adhesive, which greatly improves durability and chlorine resistance, and also improves the filtering function.

상기 나노섬유 웹(C)내 공극의 평균크기는 300㎚~900㎚인 것이 필터링 기능 개선에 바람직하며, 상기 공극의 평균 크기는 ASTM F 316-03 방법으로 측정한다.The average size of the pores in the nanofiber web (C) is preferably 300nm ~ 900nm to improve the filtering function, the average size of the pores is measured by the ASTM F 316-03 method.

상기 부직포(B)는 합성섬유 원사들로 구성되는 것이 바람직하며, 보다 바람직하기로는 폴리프로필렌 섬유, 폴리에스테르 섬유로 구성된다. 그러나, 본 발명에서는 상기 부직포(B)의 종류를 특별하게 한정하는 것은 아니다.The nonwoven fabric (B) is preferably composed of synthetic fiber yarns, more preferably polypropylene fibers, polyester fibers. However, in the present invention, the type of the nonwoven fabric (B) is not particularly limited.

다음으로, 상기 나노섬유 웹(C)은 평균직경이 100~1,000㎚인 나노섬유들이 적층된 것으로서, 도 2에 도시된 전기방사 방식 등으로 제조할 수 있다.Next, the nanofiber web (C) is a stack of nanofibers having an average diameter of 100 ~ 1,000nm, it can be produced by the electrospinning method shown in FIG.

도 2는 본 발명에 포함된 나노섬유 웹(C)을 전기방사 방식으로 제조하는 공정 개략도이다.2 is a process schematic diagram of manufacturing the nanofiber web (C) included in the present invention by an electrospinning method.

구체적으로, 방사액 주탱크(1) 내에 보관중인 고분자 수지의 방사용액을 계량펌프(2)를 사용하여 고전압이 걸려 있는 노즐(3)로 공급한 후, 상기 노즐(3)을 통해 방사용액을 고전압이 걸려 있는 컬렉터(4) 상으로 전기방사하여 나노섬유를 형성하여, 상기 컬렉터(4)에 나노섬유 웹이 적층되도록 한다.Specifically, after supplying the spinning solution of the polymer resin stored in the spinning solution main tank (1) to the nozzle (3) subjected to high voltage using the metering pump (2), the spinning solution is supplied through the nozzle (3) The nanofibers are formed by electrospinning onto the collector 4 under high voltage, so that the nanofiber web is stacked on the collector 4.

상기 고분자 수지의 방사용액에는 고분자 수지 전체중량대비 상기 산화아연이 0.1~5.0중량% 함유되어 있다.The spinning solution of the polymer resin contains 0.1 to 5.0% by weight of zinc oxide relative to the total weight of the polymer resin.

상기 노즐(3)과 컬렉터(4)에는 전압전달로드(5)를 통해 전압발생장치(6)에서 발생되는 고전압을 걸어준다.The high voltage generated by the voltage generator 6 is applied to the nozzle 3 and the collector 4 through the voltage transfer rod 5.

본 발명에서 사용하는 전기방사 장치에는 특별히 제한하지 않는다. 도 2에서 보는 바와 같은 다중 노즐을 사용하는 전기방사 장치를 사용할 수 있으며 이 외의 다른 형태의 전기방사 장치 또한 사용할 수 있다. 전기방사 장치는 고분자 방사 용액을 공급하는 계량 펌프(2)와 다수의 노즐(3)로 구성되는 방사부, 고전압발생장치(6)에 의한 고전압발생부와 방사되어 휘산되는 나노섬유를 고착시키는 컬렉터(4)로 구성된다. 본 발명의 나노섬유를 방사하기 위한 발생전압은 수천 내지 수십만 볼트로 고분자 용액의 농도, 계량 펌프를 통해 공급되는 고분자 용액의 양, 얻고자 하는 나노섬유의 굵기 등을 고려하여 다양하게 적용할 수 있다.There is no restriction | limiting in particular in the electrospinning apparatus used by this invention. As shown in FIG. 2, an electrospinning apparatus using multiple nozzles may be used, and other types of electrospinning apparatuses may also be used. The electrospinning apparatus comprises a spinning unit consisting of a metering pump (2) and a plurality of nozzles (3) for supplying a polymer spinning solution, a high voltage generating unit by the high voltage generator (6) and a collector for fixing the nanofibers that are spun and volatilized It consists of (4). The generated voltage for spinning the nanofibers of the present invention can be variously applied in consideration of the concentration of the polymer solution to thousands of hundreds of thousands of volts, the amount of the polymer solution supplied through the metering pump, and the thickness of the nanofibers to be obtained. .

상기 나노섬유는 폴리우레탄 수지, 폴리아미드 수지, 폴리비닐리덴 디플루오라이드(PVDF) 또는 이들의 혼합수지로 구성된다.The nanofiber is composed of polyurethane resin, polyamide resin, polyvinylidene difluoride (PVDF) or a mixed resin thereof.

상기 접착제는 열경화성 핫-멜트 수지 또는 수분 반응형 폴리우레탄 수지 등으로, 형태가 분말상인 것이 작업성 개선에 보다 바람직하다.The adhesive may be a thermosetting hot-melt resin or a moisture-reactive polyurethane resin, or the like, which is more preferably in powder form to improve workability.

상기 나노섬유 웹(C)의 단위면적당 중량은 5~25g/㎡인 이고, 두께는 10~50㎛인 것이 원하는 필터링 기능과 여과효율을 만족시키는데 바람직하다.The weight per unit area of the nanofiber web (C) is 5 ~ 25g / ㎡, the thickness is 10 ~ 50㎛ is preferred to satisfy the desired filtering function and filtration efficiency.

본 발명에 따른 필터재(A)를 제조하는 방법 중 일례를 살펴보면, 앞에서 설명한 부직포(B) 상에 접착제를 도포 또는 스프레이(Spray)한 다음 앞에서 설명한 전기방사 방식으로 제조한 나노섬유 웹(C)을 접착제가 도포 또는 스프레이된 부직포(B) 위에 겹쳐지게 올려준 다음, 이들을 열로울러 등으로 가열, 압착하여 필터재(A)를 제조할 수 있다.Looking at one example of the method for producing a filter material (A) according to the present invention, the nanofiber web (C) prepared by applying or spraying the adhesive on the nonwoven fabric (B) described above, and then manufactured by the electrospinning method described above This is placed on the nonwoven fabric (B) coated with an adhesive or sprayed, and then heated and compressed with a heat roller or the like to prepare a filter material (A).

상기 가열, 압착에 의해 분말상의 접착제는 용융되어 나노섬유 웹(C)을 부직포(B) 상에 부분적으로 접착하게 된다.The powdery adhesive is melted by the heating and pressing to partially adhere the nanofiber web (C) onto the nonwoven fabric (B).

본 발명에 따른 필터재(A)는 KS K 0523 방법으로 측정한 내염소성이 90% 이상이다.The filter material (A) according to the present invention has a chlorine resistance of 90% or more as measured by the KS K 0523 method.

본 발명에 따른 필터재는 산화아연을 포함하는 나노섬유 웹을 포함하여 필터링 기능과 내염소성이 동시에 우수하고, 나노섬유 웹과 부직포 간의 접착력이 우수하여 내구성도 뛰어나다. 그 결과 해수를 이용한 발전소에 사용되는 가스터빈용 필터재로 유용하다.The filter material according to the present invention includes a nanofiber web including zinc oxide, which is excellent in filtering function and chlorine resistance at the same time, and excellent in adhesion between the nanofiber web and the nonwoven fabric and excellent in durability. As a result, it is useful as a filter material for gas turbines used in power plants using seawater.

이하, 실시예를 통하여 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail through examples.

그러나, 하기 실시예는 본 발명의 일례를 나타내는 것으로서, 본 발명의 보호범위가 하기 실시예로만 한정되는 것은 아니다.However, the following examples show one example of the present invention, and the protection scope of the present invention is not limited only to the following examples.

실시예Example 1 One

상대점도가 2.5인 폴리아미드 수지를 개미산 수용액에 20%(w/w)의 농도로 용해시킨 용액에 상기 용액의 전체중량 대비 12중량%의 산화아연을 첨가하여 방사용액을 제조하였다.A spinning solution was prepared by adding 12% by weight of zinc oxide based on the total weight of the solution to a solution in which a polyamide resin having a relative viscosity of 2.5 was dissolved in an aqueous formic acid solution at a concentration of 20% (w / w).

상기 방사용액을 도 2에 도시된 전기방사장치의 계량펌프(2)를 통해 28,000볼트(V)의 전압이 걸려있는 노즐(3)을 통해 28,000볼트(V)의 전압이 걸려있는 컬렉터(4) 상에 전기방사하여 평균직경이 250㎚인 나노섬유들이 20㎛의 두께로 적층되어 단위면적당 무게가 7g/㎡이고, 평균 공극크기가 700㎚인 나노섬유 웹(C)을 제조하였다.Collector 4, the voltage of 28,000 volts (V) through the nozzle 3 is applied to the spinning solution through the metering pump (2) of the electrospinning device shown in Figure 2 Electrospun onto the nanofibers having an average diameter of 250nm was laminated to a thickness of 20㎛ to prepare a nanofiber web (C) having a weight per unit area of 7g / ㎡, the average pore size of 700nm.

한편, 폴리프로필렌 부직포(B) 상에 수분 반응형 폴리우레탄 접착제를 도포한 다음, 여기에 앞에서 제조한 나노섬유 웹(C)을 위치시킨 후, 이들을 150℃의 가열로울러들 사이를 통과시키면서 가열, 압착하여 필터재(A)를 제조하였다.On the other hand, after applying the moisture-responsive polyurethane adhesive on the polypropylene nonwoven fabric (B), and then placed the nanofiber web (C) prepared before, heating them while passing them between the heating rollers of 150 ℃, It pressed and manufactured the filter material (A).

제조된 필터재(A)의 각종 물성을 평가한 결과는 표 1과 같았다.The results of evaluating various physical properties of the manufactured filter material (A) were as shown in Table 1.

실시예Example 2 2

중량평균분자량이 520,000인 폴리비닐리덴 디플루오라이드를 디메틸아세트아미드에 15%(w/w)의 농도로 용해시킨 용액에 상기 용액의 전체중량 대비 13중량%의 산화아연을 첨가하여 방사용액을 제조하였다.A spinning solution was prepared by adding 13% by weight of zinc oxide, based on the total weight of the solution, to a solution in which polyvinylidene difluoride having a weight average molecular weight of 520,000 was dissolved in dimethylacetamide at a concentration of 15% (w / w). It was.

상기 방사용액을 도 2에 도시된 전기방사장치의 계량펌프(2)를 통해 20,000볼트(V)의 전압이 걸려있는 노즐(3)을 통해 20,000볼트(V)의 전압이 걸려있는 컬렉터(4) 상에 전기방사하여 평균직경이 280㎚인 나노섬유들이 20㎛의 두께로 적층되어 단위면적당 무게가 9g/㎡이고, 평균 공극크기가 600㎚인 나노섬유 웹(C)을 제조하였다.Collector 4, the voltage of 20,000 volts (V) through the nozzle 3 is applied to the spinning solution through the metering pump (2) of the electrospinning device shown in Figure 2 20,000 volts (V) Electrospun onto the nanofibers having an average diameter of 280nm was laminated to a thickness of 20㎛ to prepare a nanofiber web (C) having a weight per unit area of 9g / ㎡, the average pore size of 600nm.

한편, 폴리에스테르 부직포(B) 상에 수분 반응형 폴리우레탄 접착제를 스프레이 방식으로 뿌려준 다음, 여기에 앞에서 제조한 나노섬유 웹(C)을 위치시킨 후, 이들을 150℃의 가열로울러들 사이를 통과시키면서 가열, 압착하여 필터재(A)를 제조하였다.On the other hand, after spraying the water-reactive polyurethane adhesive on the polyester non-woven fabric (B) in a spray method, and placed the nanofiber web (C) prepared above, and passing them between the heating roller at 150 ℃ The filter material (A) was manufactured by heating and crimping | bonding.

제조된 필터재(A)의 각종 물성을 평가한 결과는 표 1과 같았다.The results of evaluating various physical properties of the manufactured filter material (A) were as shown in Table 1.

실시예Example 3 3

중량평균분자량이 200,000인 열가소성 폴리우레탄 수지를 디메틸포름아미드에 20%(w/w)의 농도로 용해시킨 용액에 상기 용액의 전체중량 대비 12중량%의 산화아연을 첨가하여 방사용액을 제조하였다.A spinning solution was prepared by adding 12% by weight of zinc oxide to the total weight of the solution to a solution in which the thermoplastic polyurethane resin having a weight average molecular weight of 200,000 was dissolved in dimethylformamide at a concentration of 20% (w / w).

상기 방사용액을 도 2에 도시된 전기방사장치의 계량펌프(2)를 통해 40,000 볼트(V)의 전압이 걸려있는 노즐(3)을 통해 40,000볼트(V)의 전압이 걸려있는 컬렉터(4) 상에 전기방사하여 평균직경이 300㎚인 나노섬유들이 12㎛의 두께로 적층되어 단위면적당 무게가 7g/㎡이고, 평균 공극크기가 700㎚인 나노섬유 웹(C)을 제조하였다.Collector 4, the voltage of 40,000 volts (V) through the nozzle 3, the voltage of 40,000 volts (V) through the metering pump (2) of the electrospinning device shown in Figure 2 The nanofibers having an average diameter of 300 nm were laminated to a thickness of 12 μm by electrospinning onto a nanofiber web (C) having a weight per unit area of 7 g / m 2 and an average pore size of 700 nm.

한편, 폴리에스테르 부직포(B) 상에 수분 반응형 폴리우레탄 접착제를 도포한 다음, 여기에 앞에서 제조한 나노섬유 웹(C)을 위치시킨 후, 이들을 150℃의 가열로울러들 사이를 통과시키면서 가열, 압착하여 필터재(A)를 제조하였다.On the other hand, after applying the moisture-reactive polyurethane adhesive on the polyester non-woven fabric (B), and then placed the nanofiber web (C) prepared before, heating them while passing them between the heating rollers of 150 ℃, It pressed and manufactured the filter material (A).

제조된 필터재(A)의 각종 물성을 평가한 결과는 표 1과 같았다..The results of evaluating various physical properties of the manufactured filter material (A) were as shown in Table 1.

필터재의 물성평가 결과Property evaluation result of filter material 구분division 실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 내염소성  Chlorine Tolerance 98 98 99 99 97 97

도 1은 본 발명에 따른 필터재의 단면 모식도.1 is a schematic cross-sectional view of a filter material according to the present invention.

도 2는 본 발명에 포함된 나노섬유 웹(C)을 전기방사 방식으로 제조하는 공정 개략도.Figure 2 is a process schematic diagram of producing a nanofiber web (C) included in the present invention by an electrospinning method.

도 3은 본 발명에 포함된 나노섬유 웹(C) 표면의 전자현미경 사진.Figure 3 is an electron micrograph of the surface of the nanofiber web (C) included in the present invention.

* 도면 중 주요부분에 대한 부호설명* Code description for main parts of the drawings

A : 필터재 B : 부직포A: filter material B: nonwoven fabric

C : 나노섬유 웹 D : 접착부분C: Nanofiber web D: Bonding part

1 : 방사액 주탱크 2 : 계량펌프1: spinning liquid main tank 2: metering pump

3 : 노즐 4 : 컬렉터3: nozzle 4: collector

5 : 전압전달로드 6 : 전압발생장치5: voltage transfer rod 6: voltage generator

Claims (7)

부직포(B) 상에 접착제에 의해 평균직경이 100~1,000㎚인 나노섬유들로 구성된 나노섬유 웹(C)이 라미네이팅된 구조를 갖고, 상기 나노섬유에는 나노섬유 중량 대비 0.1~5.0중량%의 산화아연이 포함되어 있어 KS K 0523 방법으로 측정한 내염소성이 90% 이상인 것을 특징으로 하는 필터재.The non-woven fabric (B) has a structure in which a nanofiber web (C) composed of nanofibers having an average diameter of 100 to 1,000 nm is laminated by an adhesive, and the nanofibers are 0.1 to 5.0% by weight of the nanofibers in oxidation. The filter material characterized in that the chlorine resistance is measured by the KS K 0523 method is more than 90% containing zinc. 제1항에 있어서, 산화아연의 평균직경이 10~90㎚인 것을 특징으로 하는 필터재.The filter material according to claim 1, wherein the average diameter of zinc oxide is 10 to 90 nm. 제1항에 있어서, 산화아연은 순도가 99.0% 이상인 것을 특징으로 하는 필터재.The filter material according to claim 1, wherein the zinc oxide has a purity of 99.0% or more. 제1항에 있어서, 접착제는 열경화성 핫-멜트 수지 및 수분 반응형 폴리우레탄 수지 중에서 선택된 1종인 것을 특징으로 하는 필터재.The filter material according to claim 1, wherein the adhesive is one selected from a thermosetting hot-melt resin and a moisture-reactive polyurethane resin. 제1항에 있어서, 상기 나노섬유는 폴리우레탄 수지, 폴리아미드 수지 및 폴리비닐리덴 디플루오라이드 수지 중에서 선택된 1종 이상의 수지로 구성되는 것을 특징으로 하는 필터재.The filter material according to claim 1, wherein the nanofiber is composed of at least one resin selected from a polyurethane resin, a polyamide resin, and a polyvinylidene difluoride resin. 제1항에 있어서, 상기 부직포(B)는 폴리에스테르 섬유 및 폴리프로필렌 중에서 선택된 1종으로 구성됨을 특징으로 하는 필터재.The filter material according to claim 1, wherein the nonwoven fabric (B) is composed of one kind selected from polyester fibers and polypropylene. 제1항에 있어서, ASTM F 316-3 방법으로 측정한 상기 나노섬유 웹(C)의 공극 평균 크기가 300㎚~900㎚인 것을 특징으로 하는 필터재.The filter material according to claim 1, wherein the average pore size of the nanofiber web (C) measured by the ASTM F 316-3 method is 300 nm to 900 nm.
KR1020080055113A 2008-06-12 2008-06-12 Filter media KR20090129048A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014126443A1 (en) * 2013-02-18 2014-08-21 주식회사 아모그린텍 Filter medium, manufacturing method therefor, and filter equipment using same
US10525686B2 (en) 2013-02-18 2020-01-07 Amogreentech Co., Ltd. Filter apparatus having a housing and filter media inside the housing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014126443A1 (en) * 2013-02-18 2014-08-21 주식회사 아모그린텍 Filter medium, manufacturing method therefor, and filter equipment using same
US10525686B2 (en) 2013-02-18 2020-01-07 Amogreentech Co., Ltd. Filter apparatus having a housing and filter media inside the housing
US11084266B2 (en) 2013-02-18 2021-08-10 Amogreentech Co., Ltd. Filter medium, manufacturing method therefor, and filter equipment using same

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