| abstract |
The invention relates to the use of alkylbiphenyls, arylbiphenyls, alkylnaphthalenes and arylnaphthalenes as softeners for polyurethane, especially 1-phenyl-2,3-di(propan-2-yl)-benzol or 1-(propan-2-yl)naphthalene, 2- (propan-2-yl)naphthalene, an isomer mixture of isopropyl biphenyl or isopropyl naphthalene or 1-phenyl-(4-propan-2-yl)benzol or a mixture thereof, optionally in combination with a mineral oil, that is TDAE, MES, RAE and/or NAP, as softeners for polyurethane. According to the invention, polyurethane compositions containing said softeners are especially suitable as filler materials for solid tyres. |