Moisture resistance coating of packaging paper from biobased silylated soybean oil

Chetan Tambe, Daniel Graiver, Ramani Narayan

    Research output: Research - peer-reviewArticle

    • 2 Citations

    Abstract

    The moisture resistance of Kraft paper was greatly improved when it was coated with silylated soybean oil that was cured via silanol condensation. This moisture barrier coating was prepared from LowSat® Soybean oil that was grafted with vinyltrimethoxysilane (VTMS) using a relatively simple process based on the “Ene reaction”. The viscosity of the resulting oil was unaffected by the silylation reaction and remained low (32 cPs). Thus, the paper coating process required no solvent, additional diluent or the need to emulsify the oil which provided a convenient one-component cure system. Dibutyltin dilaurate (DBTDL) was found to be an effective condensation catalyst and under optimal conditions complete cure was achieved in a short period of time. The cure rate was a function of the catalyst concentration, available water and the temperature. Initially, Kraft papers were coated with the silylated soybean oil in the lab and this process was followed by a pilot scale-up using a commercial gravure roll coater. Cobb values and water vapor transmission rate indicated the cured coating provided a good barrier coating. Scanning electron microscopy (SEM) images of the coated paper confirmed a uniform coating with good adhesion of the coating material to the paper.

    LanguageEnglish (US)
    Pages270-278
    Number of pages9
    JournalProgress in Organic Coatings
    Volume101
    DOIs
    StatePublished - Dec 1 2016

    Profile

    Soybean Oil
    Packaging
    Moisture
    Coatings
    Soybean oil
    Kraft paper
    Condensation
    Oils
    Catalysts
    Coating techniques
    Steam
    Adhesion
    Viscosity
    Scanning electron microscopy
    Water
    Temperature
    dibutyltin dilaurate
    silanol
    trimethoxyvinylsilane
    Water vapor

    Keywords

    • Cobb values
    • Kraft paper
    • Moisture resistance
    • Paper packaging
    • Silylated soybean oil

    ASJC Scopus subject areas

    • Chemical Engineering(all)
    • Surfaces, Coatings and Films
    • Organic Chemistry
    • Materials Chemistry

    Cite this

    Moisture resistance coating of packaging paper from biobased silylated soybean oil. / Tambe, Chetan; Graiver, Daniel; Narayan, Ramani.

    In: Progress in Organic Coatings, Vol. 101, 01.12.2016, p. 270-278.

    Research output: Research - peer-reviewArticle

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