LIQUID-APPLIED WATERPROOFING MEMBRANE FOR ROOFS COMPRISING A LONG-CHAIN ALDIMINE

摘要

The present invention describes a one part moisture curable liquid applied waterproofing membrane comprising a polyurethane polymer, a long chain aldimine, and at least one curing agent which is an oxazolidine and an aldimine other than a long chain aldimine. The membrane has good storage stability and low viscosity at low solvent content, and cures rapidly to form a solid elastic material. The membrane is particularly suitable for roofing applications while retaining high strength, high elongation and good durability under outdoor climatic conditions over a wide temperature range.