Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols

Importancia y uso:

5.1 These test methods are suitable for research and as quality control and specification tests. It is necessary to know the hydroxyl contents of polyols in order to formulate polyurethane systems.

Subcomité:

D20.22

Referida por:

D6342-22, E1899-23

Volúmen:

08.02

Número ICS:

83.080.20 (Thermoplastic materials)

Palabras clave:

acetic anhydride; esterification; hydroxyl number; phthalic anhydride; polyester; polyether; polyol; pyromellitic dianhydride; titration;