C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/28 (2006.01) C08G 18/38 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2644506
The invention relates to moisture-curing compositions which comprise at least one silane-functional polymer P with at least two terminal groups of formula (I) and at least one reaction product R which is produced from at least one aminosilane AS with at least one primary amino group and at least one silane group-free alkene M which is capable of entering in 1,4 addition reactions with primary amino groups. The compositions have improved adhesive properties and are especially suitable fur use as adhesives, sealing materials or coatings, especially as elastic adhesive or sealing materials.
La présente invention concerne des compositions durcissant par l'humidité contenant au moins un polymère P à fonction silane ayant au moins deux groupes terminaux de la formule (I) et au moins un produit de réaction R obtenu à partir d'au moins un aminosilane AS ayant au moins un groupe amino primaire et au moins un alcène M exempt de silane et apte à entrer dans des réactions d'addition 1,4 avec des groupes amino primaires. Ces compositions ont des propriétés adhésives améliorées et conviennent comme colles, matières d'étanchéité ou revêtements, notamment comme colles ou matières d'étanchéité élastiques.
Buetikofer Pierre-Andre
Burckhardt Urs
Jucker Barbara
Oertli Marcel
Gowling Lafleur Henderson Llp
Sika Technology Ag
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