TRANSESTERIFICATION CATALYST FOR PRODUCING POLYCARBONATE, METHOD FOR PRODUCING THE SAME, POLYCARBONATE, AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a transesterification catalyst that can be introduced directly into a reaction system of an aromatic dihydroxy compound and carbonic diester as a transesterification catalyst without dissolving or dispersing it in a solvent such as water, and is used for producing a...

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Hauptverfasser:	TAN CHANKII, MURATA KOJI, SAITO TORANOSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL METHODS OF ORGANIC CHEMISTRY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY 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:	PROBLEM TO BE SOLVED: To provide a transesterification catalyst that can be introduced directly into a reaction system of an aromatic dihydroxy compound and carbonic diester as a transesterification catalyst without dissolving or dispersing it in a solvent such as water, and is used for producing a polycarbonate excellent in transparency and color. SOLUTION: The transesterification catalyst for producing a polycarbonate is represented by formula (1) (wherein R1represents phenoxy, phenyl, or butoxy, and R2represents phenyl or butyl). COPYRIGHT: (C)2011,JPO&INPIT