| 摘要 |
PROBLEM TO BE SOLVED: To provide polyhydroxy compound which can produce epoxy resin that has superior reactivity while being liquid, and its hardened material has superior flexibility and heat resistance.SOLUTION: A polyhydroxy compound is shown by a specific structural formula, is produced by adding alkylene oxide to a polyphenol compound, and average value of the mol number of the alkylene oxide added to the polyphenol compound is 5-7.5.SELECTED DRAWING: None |
