Bostik Sa

Patrick Verneaut

Federico Sanz

Lars Thilander

An adhesive sealant composition of at least one moisture-crosslinkable prepolymer and an anti-sagging agent of 5% to 30% by weight of a thixotropic composition of 10% to 40% by weight of a bisurea a) obtained by reaction of a primary aliphatic amine a1) with a diisocyanate a2) having a molar mass of less than 500 g/mol, and 60% to 90% by weight of an ester b) of formula (I): in which R, Rand Rare an oxycarbonylalkyl radical having from 4 to 20 carbon atoms, Ris hydrogen, methyl or ethyl or &#x2014;CH&#x2014;Rin which Ris oxycarbonylalkyl having from 4 to 20 carbon atoms, in the form of a suspension of solid particles of bisurea a) in a continuous phase formed by ester b).

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Brionne, France

Patrick Verneaut