POLYESTER RESIN HAVING FLUORENE SKELETON

PROBLEM TO BE SOLVED: To provide a low-water-absorption polyester resin having characteristics, including high heat resistance and a high refractive index.SOLUTION: At least terminal hydroxy groups of a polyester resin containing diol components including a dihydroxy compound having a 9,9-bis(hydrox...

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Bibliographic Details
Main Authors OKAWA TOSHIFUMI, MINOKAMI KEIKO, YAMADA MASAHIRO, MIYAUCHI SHINSUKE
Format Patent
LanguageEnglish
Published 02.10.2014
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide a low-water-absorption polyester resin having characteristics, including high heat resistance and a high refractive index.SOLUTION: At least terminal hydroxy groups of a polyester resin containing diol components including a dihydroxy compound having a 9,9-bis(hydroxy(poly)alkoxyaryl)fluorene skeleton and dicarboxylic acid components as polymerization components are blocked with a monocarboxylic acid component, e.g. an aromatic monocarboxylic acid component. The diol components may contain a linear aliphatic diol, e.g. an alkanediol, additionally.
Bibliography:Application Number: JP20130062833