Basf Aktiengesellschaft

Peter Böhme

Udo Rotermund

Hauke Malz

Antje Ziemer

Thomas Flug

Wolf-Dieter Habicher

Michael Pcolinski

Markus Kamieth

The invention relates to high-functionality polyether polyols of the general formula where each R'is an unsubstituted or substituted aliphatic or aromatic radical and each R&#x2032;is an unsubstituted or substituted aliphatic or aromatic radical, H, OH, polyalkyl ether chain or halogen, each X is a polyalkyl ether chain or H, where at least one X is a polyalkyl ether chain, and m is an integer from 0 to 20, where Xm is H when m is 0, and n is an integer from 4 to 12, to processes for preparing such high-functionality polyether polyols and also to the use thereof for preparing polyurethanes and nonionic surfactants.

High-functionality polyether polyols and preparation thereof

The invention relates to stabilizers containing at least two phenolic groups bonded to one another via a connecting radical (II) which is a polyol with a number-average molecular weight of from 75&#xd7;F g/mol to 250&#xd7;F g/mol, preferably from 100&#xd7;F g/mol to 200&#xd7;F g/mol, in particular from 100&#xd7;F g/mol to 150&#xd7;F g/mol, where the term F is the number of phenolic groups in the molecule.

Stabilizers, in particular for thermoplastic polyurethanes

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Munich, Georgia

Peter Böhme