| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an industrially useful phenolic resin having a high heat resistance. Ž<P>SOLUTION: The phenolic resin is expressed by general formula (1) (wherein, n is 2 or more; hydrogen on the aromatic ring having a hydroxy group may be substituted with a substituent). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
