FIELD: polymer production. SUBSTANCE: polyurethane, polyisocyanurate, and urea resins, in particular, polymer foams are prepared from compositions including nonsilicone surfactants, which are ethers containing about 10 to 90% ethylene oxide units and about 10 to 90% alkylene oxide units with at least 4 carbon atoms. These polyether surfactants can be used for preparing foams that are essentially identical to foams prepared with known silicone-based surfactants. EFFECT: expanded synthetic possibilities for preparing polymer foams. 17 cl, 9 tbl, 19 ex
