| 摘要 |
PROBLEM TO BE SOLVED: To provide an adhesive which is excellent in adhesion to various plastic, metal and glass epoxy, moist heat resistance, and adhesion at high temperature and high humidity; and an adhesive sheet obtained from the adhesive.SOLUTION: A resin composition for an adhesive contains a thermoplastic resin (A), an inorganic filler (B), a solvent (C), and an epoxy resin (D); and satisfies the following matters: (A) is a polyester-based resin having an acid value (unit:equivalent/10g) of 100-1,000 and a number average molecular weight of 5.0×10to 1.0×10(excluding one having phenolic hydroxyl group of 150 equivalent/10g or more); (D) has a dicyclopentadiene skeleton, contains 25 pts.mass of the total of (A) and (B) based on the resin composition, has a degree of thixotropy at a liquid temperature of 25°C of 3 or more and 6 or less; an acid value AV (&bgr;) and a blended amount AW (&bgr;) of (A) (unit: pts.mass) and an epoxy value EV (γ) (unit:equivalent/10g) and a blended amount EW (γ) is 0.7≤{EV(γ)×EW(γ)}/{AV(&bgr;)×AW(&bgr;)}≤4.0. |
