Process for making an oxymethylene polymer

A process for making an oxymethylene polymer comprising polymerizing at least one compound capable of forming -CH2O- repeat units (monomer) in the presence of at least one ester of the general formula I (ester): R1-CO-O-R2 (I) wherein R1 can be hydrogen, wherein R1 and R2 are independently of each o...

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Bibliographische Detailangaben
Hauptverfasser:	Choi, Jin-Sang, Kim, JongMoon, Zhang, Minlu, Cho, In-Gi, Heitz, Thomas, Stammer, Achim
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for making an oxymethylene polymer comprising polymerizing at least one compound capable of forming -CH2O- repeat units (monomer) in the presence of at least one ester of the general formula I (ester): R1-CO-O-R2 (I) wherein R1 can be hydrogen, wherein R1 and R2 are independently of each other linear or branched C1 to C10 alkyl C5 to C7 cycloalkyl -[R3-0-]nR4 wherein R3 is a linear or branched C2 to C5 alkylen and R4 is a linear of branched C1 to C5 alkyl and n is an integer of from 1 to 5. and in the presence of at least one Lewis acid.