申请人:Oshimi Katsuhiko
公开号:US20090286929A1
公开(公告)日:2009-11-19
A phenol aralkyl type phenolic resin represented by the general formula (1), wherein the total content of the compounds represented by formulae (2) to (4) is 58 to 92% as determined by GPC and the contents of the compounds represented by formulae (2) to (4) as determined by HPLC satisfy the following relationship: 0.60≦(2
a
+b)/(2
a
+2
b
+2
c
)≦0.90 wherein a is the content of the compound of formula (2); b is the content of the compound of formula (3); and c is the content of the compound of formula (4).