TWI632128B

The present invention provides 1,4-butanediol (abbreviated hereinafter as BG) having little deterioration of quality even when stored in an oxygen-containing atmosphere, the BG making it possible to obtain polyester having excellent color tone. This BG contains 1 wt ppm or more of 2-methyl-1,3-propa...

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Bibliographic Details
Main Authors KISHISHITA, MINORU, SUZUKI, TAKAYUKI, MATSUZONO, SHINICHIRO
Format Patent
LanguageChinese
Published 11.08.2018
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOSITIONS BASED THEREON
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
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Summary:The present invention provides 1,4-butanediol (abbreviated hereinafter as BG) having little deterioration of quality even when stored in an oxygen-containing atmosphere, the BG making it possible to obtain polyester having excellent color tone. This BG contains 1 wt ppm or more of 2-methyl-1,3-propanediol and includes a cyclic acetal compound of 1 to 50 wt ppm.
Bibliography:Application Number: TW20140122809