Invention Grant
US08173719B2 Polyurethane foam, method for the production and use thereof 有权
聚氨酯泡沫,其生产和使用方法

Polyurethane foam, method for the production and use thereof
Abstract:
The subject of the invention is a water-impermeable flexible polyurethane foam obtained by reacting a polyol component, which comprises at least one hydrophobic polyol, with a polyisocyanate component in the presence of a foaming agent, characterized in that it has a compression force of less than or equal to 12 kPa for 50% compression.Advantageously it has a density not exceeding 150 kg/m3, preferably not exceeding 60 kg/m3.The foam may be obtained by a cast-foam manufacturing process or by molding.It can be used as a water-impermeable seal.
Public/Granted literature
Information query
Patent Agency Ranking
0/0