| 摘要 |
PROBLEM TO BE SOLVED: To provide a coil which has been subjected to insulation treatment with a thermosetting resin composition having excellent adhesive strength at high temperatures and not containing cobalt and manganese compounds. SOLUTION: The thermosetting resin composition comprises (A) 40-80 pts.wt. unsaturated polyester resin, (B) 20-60 pts.wt. polymerizable monomer, and (C) 0.1-5 wt.% [based on the total weight of the above components (A) and (B)] calcium octenate or calcium naphthenate. The coil is obtained by the insulation treatment with the thermosetting resin composition further comprising (D) 0.5-4 wt.% [based on the total weight of the above components (A), (B), and (C)] organic peroxide curing agent.
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