SEDL / STP / STP1200-EB / STP14886S

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

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

Pages: 7    Published: Jan 1992

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Abstract

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.