Multilayer filter with excellent visible light transmittance and durability for blocking fine dust by electrostatic capture and physical capture and a method of manufacturing the multilayer filter

The present invention relates to a visible light-transmission multi-layered filter for blocking fine dust, and a production method thereof. To this end, the visible light-transmission multi-layered filter comprises: a chargeable mesh substrate knitted or woven with a filament yarn formed by covering...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JEONG, JIN TAI, HAN, SANG BUM, CHOO, JEONG HYUN
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:The present invention relates to a visible light-transmission multi-layered filter for blocking fine dust, and a production method thereof. To this end, the visible light-transmission multi-layered filter comprises: a chargeable mesh substrate knitted or woven with a filament yarn formed by covering a fiber with a chargeable polymer resin; a nanofiber web layer laminated and spun on one side of the substrate; and a protective mesh having a mesh structure knitted or woven with monofilament yarns, wherein the unit mesh constituting the mesh structure has a polygonal structure with at least six angles, which are provided in order. Since both the electrostatic trapping by the chargeable mesh substrate and the physical trapping by the nanofiber web layer are performed, it is possible to secure maximized filtering ability against fine dust and/or yellow dust, while having excellent fine dust blocking ability even when a less amount of the nanofiber web layer is used. In addition, since the light transmittance is high, sufficient visible light transmission is ensured, so that the external view is not blocked out. 본 발명에서 제공되는, 섬유에 대전성 고분자 수지가 피복되어 형성된 필라멘트사로 편직 또는 제직된 대전성 메쉬 기재; 상기 기재의 일면에 방사되어 적층된 나노섬유 웹층; 및 모노 필라멘트사로 편직 또는 제직된 메쉬 구조를 가지며, 상기 메쉬 구조를 구성하는 단위 메쉬가 육각 이상의 다각형 구조를 갖는 보호 메쉬;가 순차로 있는 미세먼지 차단용 가시광선 투과성 다층구조 필터 및 그의 제조방법에 의해, 대전성 메쉬 기재에 의한 정전기적 포집과 나노섬유 웹층에 의한 물리적 포집이 둘다 이루어지므로, 미세먼지 및/또는 황사에 대하여 극대화된 여과 능력을 갖게 되므로 나노섬유 웹층을 보다 적은 평량으로 사용되더라도 우수한 미세먼지 차단성을 갖게 되고, 빛 투과율이 높아 충분한 가시광선 투과가 확보되므로 외부 시야를 가리지 않게 된다.