METHOD FOR THE PREPARATION OF POLYOXYALKYLENE POLYSILOXANE BLOCK POLYMERISATES

SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers of formula (I) C-B-(AB)a-C1 are produced by reaction of end-equilibrated α,ω-diacetoxypolydimethylsiloxanes with a mixture including at least one polyether polyol, preferably a polyether diol, and at least one polyether monool...

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Bibliographische Detailangaben
Hauptverfasser:	Knott, Wilfried, Henning, Frauke, Favresse, Philippe, Dudzik, Horst
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers of formula (I) C-B-(AB)a-C1 are produced by reaction of end-equilibrated α,ω-diacetoxypolydimethylsiloxanes with a mixture including at least one polyether polyol, preferably a polyether diol, and at least one polyether monool or at least one monohydric alcohol.