Process for preparing copolyesters of terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol

This invention relates to a three-step process for preparing copolyesters exhibiting a neutral hue, high clarity and increased brightness. The process involves reacting terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol in a feed mole ratio of total glycols to dicarboxylic acid of 1.7...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ADAMS, VALERIE SUE, ROBERTS, KENNETH ALAN, HATAWAY, JAMES EARL
Format:	Patent
Sprache:	eng
Schlagworte:	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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