Method of producing an item with enhanced wetting properties by fast replication and replication tool used in the method

Carl Esben Poulsen (Inventor), Anders Wolff (Inventor), Nis Korsgaard Andersen (Inventor), Kasper Kistrup (Inventor), Rafael J. Taboryski (Inventor)

    Research output: Patent

    150 Downloads (Pure)

    Abstract

    The invention relates to a replication tool (1) for producing an item (4) with enhanced wetting properties by fast replication, such as injection moulding or extrusion coating. The replication tool (1) comprises a tool surface (2a, 2b) defining a general shape of the item (4). The tool surface (2a, 2b) comprises a microscale structured master surface (3a, 3b, 3c) having a lateral master pattern and a vertical master profile. The microscale structured master surface (3a, 3b, 3c) has been provided by localized pulsed laser treatment to generate microscale phase explosions. A method of producing an item with enhanced wetting properties uses the replication tool (1) to form an item (4) with a general shape as defined by the tool surface. The formed item (4) comprises a microscale textured replica surface (5a, 5b, 5c) with a lateral arrangement of polydisperse microscale protrusions.

    Original languageEnglish
    IPCB29C 59/ 02 A N
    Patent numberWO2016075273
    Filing date19/05/2016
    CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
    Priority date05/12/2014
    Priority numberEP20140196584
    Publication statusPublished - 19 May 2016

    Bibliographical note

    Also published as: WO2016075272 (A1) WO2016075276 (A1)

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