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    Home > Coatings News > Resin News > Manufacturing of UV-curable fluorosilicone coating

    Manufacturing of UV-curable fluorosilicone coating

    • Last Update: 2020-10-07
    • Source: Internet
    • Author: User
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    A new paper reports on the manufacture of an impressive hydrophobic and solvent-resistant fluosiloxane coating, a special protective coating that is expected to be used on printed circuit boards.
    a new type of UV-curable methyl acrylic hydromassin resin (MAFSR) and -based hydrogenic fluorosiloxane resin (SFSR) were synthesized. Molecular structure, ultraviolet curing process, thermal and surface properties are studied and

    . Further applications as protective coatings in the field of printed circuit boards (PCBs) are explored.
    excellent hydrophobic
    results show that MAFSRs with SFSRs of more than 30 wt% have a high carbon-carbon dual bond conversion rate of more than 95% after 15 s of UV exposure. In addition, the surface of the coating can be as low as 11.5 mN / m, showing excellent hydrophobicity. The XPS results further reveal that the migration and orientation of fluoro-based groups to the surface are the underlying causes of low surface energy. In addition, the coating exhibits excellent heat and solvent resistance. Studies have shown that UV-cured fluosiloxane resins are expected to be promising PCB-specific protective coatings.
    paper was published in July 2020 in volume 144 of Organic Coatings Progress.
    .
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