Patents Assigned to UPC LIMITED
  • Patent number: 10675848
    Abstract: The present invention relates to a laminate film for blocking a virus and a method for manufacturing same, including a laminate film for blocking a virus in which an air-permeable film layer including 20 to 40 parts by weight of an inorganic filler with respect to 100 parts by weight of a polyethylene resin, an adhesive layer, and a non-woven fabric layer including a bi-component non-woven fabric that is made by mixing at least two selected from polyolefin-based non-woven fabrics, are sequentially laminated, and to a method for manufacturing the laminate film, comprising: a) manufacturing an air-permeable film by stretching a disc-shaped sheet obtained by melting and extruding a compound composition and processing same; b) coating an adhesive on one surface of the air-permeable film which has been stretched; c) adhering, a bi-component non-woven fabric; and d) rolling using rollers.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: June 9, 2020
    Assignee: UPC LIMITED
    Inventor: Chang Yeon Hwang