C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/28 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2634837
The present invention relates to moisture-curing hotmelt adhesive compositions which comprise at least one silane-functional polyurethane prepolymer of the formula (I). The compositions have neither heating nor curing bubbles and feature an exceptional viscosity stability at high temperatures. These hotmelt adhesives are therefore suitable especially for industrial manufacture and especially of transparent materials.
La présente invention concerne des compositions d~adhésif pour thermoenduction durcissant à l'humidité, lesdites compositions contenant au moins un prépolymère de polyuréthane à fonctions silane de formule (I). Les compositions ne présentent pas de bulles lors du chauffage ou du durcissement et se distinguent par une excellente stabilité de viscosité à haute température. Cet adhésif pour thermoenduction convient donc particulièrement pour la production industrielle, notamment de matériaux transparents.
Burckhardt Urs
Paschkowski Kai
Rosenau Sven
Gowling Lafleur Henderson Llp
Sika Technology Ag
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