The present invention relates to a ventilation member for a vehicle lamp and a manufacturing method thereof. In one embodiment, the ventilation member for a vehicle lamp includes: a nanofiber membrane; a composite adhesive layer stacked on one surface of the nanofiber membrane; and a ventilation part provided in a central portion of the composite adhesive layer and in contact with the nanofiber membrane. The composite adhesive layer includes an acrylic adhesive layer in contact with the nanofiber membrane and a silicone-based adhesive layer provided on one surface of the acrylic adhesive layer. The acrylic adhesive layer is in contact with the nanofiber membrane. The acrylic adhesive layer is infiltrated into the nanofiber membrane to a depth of 30 μm or more. The ventilation member for a vehicle lamp has a water pressure resistance of 1.0 bar or more. According to the present invention, the ventilation member for a vehicle lamp exhibit excellent permeability.
본 발명은 차량 램프용 통기부재 및 이의 제조방법에 관한 것이다. 한 구체예에서 상기 차량 램프용 통기부재는 나노섬유 멤브레인; 상기 나노섬유 멤브레인의 일면에 적층된 복합점착층; 및 상기 복합점착층의 중심에 형성되며, 상기 나노섬유 멤브레인에 접하는 통기부;를 포함하는 차량 램프용 통기부재이며, 상기 복합점착층은 상기 나노섬유 멤브레인과 접하는 아크릴계 점착층 및 상기 아크릴계 점착층의 일면에 형성되는 실리콘계 점착층을 포함하며, 상기 아크릴계 점착층은 상기 나노섬유 멤브레인에 접하고, 상기 아크릴계 점착층은 30㎛ 이상의 깊이로 상기 나노섬유 멤브레인에 유입되는 것이며, 상기 차량 램프용 통기부재는 내수압이 1.0 bar 이상이다.
VENTILATION MEMBER FOR VEHICLE LAMP AND MANUFACTURING METHOD THEREOF
차량 램프용 통기부재 및 이의 제조방법
2021-10-07
Patent
Electronic Resource
Korean
IPC: | D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS |
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