RESIN AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a colorless transparent resin that exhibits excellent thermal stability and moldability and is excellent in impact resistance, heat resistance, crack resistance and hues, and a molded item and a film comprised of the same. SOLUTION: The resin is constituted of a dihy...

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Hauptverfasser:	INOUE EMI, TAKANISHI KEIJIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a colorless transparent resin that exhibits excellent thermal stability and moldability and is excellent in impact resistance, heat resistance, crack resistance and hues, and a molded item and a film comprised of the same. SOLUTION: The resin is constituted of a dihydric phenol residue and/or a dihydric alcohol residue, and a carbonate residue and/or a dibasic carboxylic acid residue and/or a dibasic heteroacid residue, and at least a part of polymer ends is represented by structural formula (1) below. COPYRIGHT: (C)2008,JPO&INPIT