METHOD FOR IMPROVING QUALITY OF POLYHYDRIC ALCOHOL ALKYLENE OXIDE ADDITION PRODUCT

摘要

PROBLEM TO BE SOLVED: To obtain the subject addition product having improved quality, preventing the generation of foul smell with time, and suitable for cosmetics, etc., by adding a compound having antioxidation action to the addition product of a polyhydric alcohol and an alkylene oxide. ;SOLUTION: The quality of an addition product of a polyhydric alcohol and an alkylene oxide is improved by adding preferably 0.01-0.1wt.% of one or more kinds of compounds having antioxidation action such as dibutylhydroxytoluene to an addition product of a polyhydric alcohol and an alkylene oxide.;COPYRIGHT: (C)1998,JPO