A modified dimethylnaphthalene formaldehyde resin obtained by modifying a polyfunctional dimethylnaphthalene formaldehyde resin having a constituent unit represented by the following general formula [1] in a molecule thereof with at least one member selected from the group consisting of a phenol represented by the following general formula [2], a naphthol represented by the following general formula [3] and a naphthol represented by the following general formula [4] provided that at least any of the naphthol represented by the general formula [3] or the naphthol represented by the general formula [4] must be included.
通过使用下列通式[1]所代表的单元作为分子单元,将多官能团
二甲基萘醛
树脂改性,至少使用下列通式[2]所代表的
酚、下列通式[3]所代表的
萘酚或下列通式[4]所代表的
萘酚中的一种对其进行改性,其中至少包含下列通式[3]所代表的
萘酚或下列通式[4]所代表的
萘酚中的任意一种。