FIELD: organic chemistry, foaming agents.
SUBSTANCE: invention relates to foaming agent-containing compositions that comprise at least one fluorohydrocarbon with boiling point above 30°C and lower 120°C, at least one fluorohydrocarbon with boiling point lower 30°C and at least one component chosen from low-boiling alcohols and low-boiling carbonyl compounds excepting for CO2. The foaming-agent-containing composition can comprise additional foaming agent chosen from the group consisting of carbon dioxide, nitrogen, argon, water, air, helium, aliphatic or cyclic hydrocarbons. Also, invention relates to methods for preparing polymeric foams by using such foaming agent-containing compositions and to polymeric foams, foaming polymeric compositions comprising such foaming agent-containing compositions. Polymeric foams prepared by using foaming agent-containing composition have closed-porous structure and heat conductivity value less 35 mW/m x °K after 90 days of its preparing.
EFFECT: valuable properties of agent and composition.
4 cl, 4 tbl
