Method for producing water expandable styrene polymers

The invention relates to a process for the production of styrene polymers containing water as expanding agent by suspension polymerization of styrene in the presence of an emulsifying auxiliary, the suspending agent being a mixture of water and an organic liquid which is water-miscible and which is...

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Bibliographische Detailangaben
Hauptverfasser:	HAHN, KLAUS, LAUSBERG, DIETRICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a process for the production of styrene polymers containing water as expanding agent by suspension polymerization of styrene in the presence of an emulsifying auxiliary, the suspending agent being a mixture of water and an organic liquid which is water-miscible and which is virtually a non-solvent for polystyrene and has a boiling point below 100° C.