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    Comparison of an Insulating Glass Polyurethane Sealant Based on Hydroxylated Polybutadiene Liquid Polymer and a Poysulfide Based One

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    Most performances of a two-part commercial sealant for insulating glass based on hydroxylated polybutadiene are reviewed and compared with those shown by a conventionnal two-part sealant based on polysulfide. First are examined the handling properties. Then are discussed the adhesion and mechanical characteristics. The ageing effect due to both actions of water and ultra-violet radiations and the permeability to argon are studied on standard insulating glass specimens.


    Insulating glass, sealant, hydroxylated polybutadiene, polysulfide

    Author Information:

    Hubin-Eschger, PJ
    Technical Manager for Speciality Elastomers at Elf Aquitaine, Groupement de Recherches de Lacq, Artix,

    Committee/Subcommittee: C24.84

    DOI: 10.1520/STP14886S