| abstract |
It is intended to provide a novel thermoplastic encapsulant resin and sheet which are excellent in mechanical properties, transparency, heat resistance, electrical insulation and moisture-proofness, excellent in softness and sealing property and suitable as a thin layer encapsulating material . The present invention mainly comprises a cross copolymer (hereinafter, simply referred to as a cross copolymer) composed mainly of an aromatic vinyl compound unit, an ethylene unit and an aromatic polyene unit obtained by a specific production method, and is characterized by mechanical properties, transparency, , A sealing resin and a sheet excellent in electrical insulation and moisture-proofing property, excellent in softness and sealing property. |