| 摘要 |
PROBLEM TO BE SOLVED: To provide a phenol-modified aromatic hydrocarbon formaldehyde resin excellent in moisture resistance and the adhesiveness with a metal. SOLUTION: A method of manufacturing the phenol-modified aromatic hydrocarbon formaldehyde resin comprises subjecting an aromatic hydrocarbon formaldehyde resin having a mean number of reacted protons in an aromatic ring of 1.8-3.0 and an acetal value of 0-2.2 mol/kg, and phenol or a phenol derivative, to a condensation reaction in the presence of an acid catalyst. COPYRIGHT: (C)2009,JPO&INPIT |
