| abstract |
Provided is a polyester resin composition for electrical / electronic part-sealing material having the melt fluidity, initial peel strength, and initial dielectric breakdown strength that are required of sealing materials for electrical and electronic parts while also having excellent heat resistance, resistance to thermal aging, and durability with respect to hot-cold cycling. A polyester resin composition for electrical / electronic part-sealing material comprising, as the main component, a copolymer polyester elastomer that contains 50 weight% to 70 weight% of aliphatic polycarbonate segments and 6 equivalents /10 6 g to 50 equivalents/10 6 g of terminal vinyl groups, and a sealed product using same. |