| abstract |
The present invention provides a purified anhydrous sugar alcohol having a purity of at least 99.8% and substantially colorless. A polyterephthalic acid ester polymer obtained by purifying an anhydrous sugar alcohol by distillation, recrystallization from methanol, ethanol or ethylene glycol, melt recrystallization, or a combination thereof, and containing the purified anhydrous sugar alcohol. A product consisting of fibers, optical discs, containers, sheets and films made from polymers. [Selection figure] None |