Thermally stabilized polyester-polyether block copolymer composition

A polyester-polyether block copolymer composition being very stable even in the presence of heavy metals, which comprises a polyester-polyether block copolymer consisting of segments of polyester units and segments of polyether units; at least one compound containing the group of the following formu...

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Bibliographische Detailangaben
Hauptverfasser:	MINAMI, TAKAHISA, SUMOTO, MISAO, TSUJI, SHOZO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A polyester-polyether block copolymer composition being very stable even in the presence of heavy metals, which comprises a polyester-polyether block copolymer consisting of segments of polyester units and segments of polyether units; at least one compound containing the group of the following formula: wherein X is oxygen or sulfur, R1, R2 and R3 are each hydrogen or an organic residue, or R2 and R3 forms a Schiff's base with the adjacent nitrogen, and R4 and R5 are each hydrogen or an organic residue; at least one radical scavenger and/or at least one peroxide decomposer.