Pit Lehmann

Polyisocyanurate rigid foam and method for the production thereof

Method for the production of composite elements based on isocyanate-based foams

METHOD FOR PRODUCING POLYURETHANE AND POLYISOCYANURATE RIGID FOAM

Polyisocyanurat Hartschaum und Verfahren zur Herstellung

Polyurethane rigid foam material, useful for thermal insulation, obtained by reacting polyisocyanate with a compound having a isocyanate group reactive hydrogen atoms, a propellant and flame protective mixture

Flame-proof rigid polyurethane foam containing silicone-free silicone surfactants

VERFAHREN ZUR HERSTELLUNG VON POLYISOCYANURAT HARTSCHAUM

Preparation of polyurethane rigid foam material, useful for heat insulation e.g. of coolers, comprises reacting polyisocyanate with compounds with reactive hydrogen atoms with isocyanate group in presence of propellants

Verfahren zur Herstellung von Polyurethan- und Polyisocyanurat-Hartschaumstoffen

Procede de production de mousse de polyisocyanurate rigide