| abstract |
The invention provides resin combination, it is the resin combination by epoxy compounds, acid anhydrides and the curing catalyst cooperation shown in following formula (1), above-mentioned epoxy compounds is purified to make in the color atlas that obtains utilizing gas chromatographic analysis, and carrying out the peak area B at peak that self-hold-time's heavy amount longer than above-mentioned epoxy compounds divide becomes 2.0 × 10 with the ratio B/A of the peak area A at the peak from above-mentioned epoxy compoundsn -3 below.n [in formula, Rn 1 , Rn 2 , Rn 3 , Rn 4 , Rn 5 , Rn 6 , Rn 7 , Rn 8 , Rn 9 , Rn 10 , Rn 11 and Rn 12 represent hydrogen atom, halogen atom independently of one another, substituent alkyl can be had maybe can have substituent alkoxyl group]. |