Verfahren zur Herstellung von Polyorganosiloxanen

Details

Veröffentlichungs-Nr.

EP3599256

Aktenzeichen

EP18185931

Anmeldetag

27. Juli 2018

Veröffentlichung

2. März 2022

Erteilung

2. März 2022

Rechtsraum

EP

IPC

C08G77/06C08G77/08

Abstract

The invention relates to a process for preparing polyorganosiloxanes by (i) condensation polymerization of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom, (ii) ring-opening polymerization of at least one cyclosiloxane, or (iii) ring-opening polymerization and condensation polymerization of a mixture of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom and at least one cyclosiloxane with a basic initiator and a hydroxy group-containing compound in the presence of a polar aprotic solvent, wherein the obtained polyorganosilxoanes are not miscible in the polar aprotic solvent at room temperature.

Anmelder

Firma

Henkel AG & Co. KGaA

Land

🇩🇪 Deutschland

Fachgebiete