| 摘要 |
The invention provides a phosphorus-containing phenolic resin and the producing method, a phenolic resin composition and a cured product thereof. The producing method of the phosphorus-containing phenolic resin is characterized by comprising a phosphorus compound (B) represented by the general formula (I) and containing a phosphorus-containing phenolic compound (b) as the essential component thereof, a compound (C) having more than two functional groups and free from phosphorus phenol, and epoxy resin (a) having 1.8 or more epoxy groups. |
