Surface tension driven shaping of adhesive microfluidic channel walls

Jakob Janting, Elisabeth K. Storm, Oliver Geschke

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    The feasibility of making microfluidic channels with different wall geometries using adjacent lines of dispensed adhesive between substrates has been studied. Important parameters for the geometry have been identified to be: surface tension (adhesive / substrates), adhesive viscosity / thixotropy, line height and distance, and temperature. Focus of the work has been on predicting the equilibrium geometries with FEM simulations using as input measured adhesive wetting angles, different adhesive line distances and height. The studied substrates are glass microscope slides, PEEK and PMMA. The studied adhesives are DYMAX 9-20318-F, 3070, 9001 version 3.5, and Sylgard 184 PDMS.
    Original languageEnglish
    Title of host publicationMicro Total Analysis Systems 2004
    VolumeVol 2
    PublisherRoyal Society of Chemistry
    Publication date2005
    Pages378-380
    ISBN (Print)0-85404-896-0
    Publication statusPublished - 2005
    Event8th International Conference on Miniaturized Systems for Chemistry and Life Sciences - Malmö, Sweden
    Duration: 26 Sept 200430 Sept 2004
    Conference number: 8

    Conference

    Conference8th International Conference on Miniaturized Systems for Chemistry and Life Sciences
    Number8
    Country/TerritorySweden
    CityMalmö
    Period26/09/200430/09/2004
    SeriesRoyal Society of Chemistry. Special Publications
    Number297
    ISSN0260-6291

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