| abstract |
The invention relates to a polyolpolyether-based polyurethane foam composition consisting of 100 ppm glycerine-based polyetriol and a propylene oxide-ethylene oxide statistical copolymer having at least 60% primary hydroxyl groups and an average molecular weight of 5000, 1.5 ... 3.5 g / g water, 0.5 ... 3 g / g triethanolamine, 0 ... 2.5 g / g diethyleneglycol, 0.05 ... 0.35 g / g dimethylaminoethanol, 0 , 2 ... 2 p / g, diazobicyclooctane, 0 ... 1.2 p / g polyorganosiloxane, 5 g / g trichlorofluoromethane, 38 ... 40 pg / g mixture of toluylene diisocyanate and 80:20 methylenediphenyldiisocyanate. |