Verfahren zur Herstellung von Polyurethanhartschaumstoff

Details

Veröffentlichungs-Nr.

EP4806931

Anmeldetag

14. März 2025

Veröffentlichung

16. September 2026

Rechtsraum

EP

IPC

C08G18/76

Abstract

A method for producing rigid polyurethane foam comprises the steps of:- providing ingredients comprising a first polyol mixture, a second polyol mixture, a polyisocyanate, at least a blowing agent, at least a surfactant, at least a catalyst, and optionally additives such as flame retardant additives;- mixing the ingredients thereby obtaining a liquid polyurethane foam formulation for producing a rigid polyurethane foam; and- depositing the liquid polyurethane foam formulation;characterized in that the second polyol mixture comprises polyurethane particles dispersed in the second polyol mixture.

Anmelder

Firma

Unilin, BV

Land

🇧🇪 Belgien

Fachgebiete