Verfahren zur kontinuierlichen Steuerung der Zellenzahl von Polyurethan-Schaumstoffen.

摘要

The process for continuous control of cell number in the production of polyurethane foams from polyols, isocyanates and water, where mixing the components is effected in a mixing head with adjustable injection pressure and adjustable mixing chamber pressure, consists in that immediately prior to entering the mixing head the gas content of the isocyanate is continuously increased or reduced.