| abstract |
This invention contains 0.0001-0.03 weight% of silicone resin microparticles (A) which consists of a coupling unit whose average particle diameter is 0.8-2.0 micrometers, and 80 weight% or more is represented by a following formula, and is more than the said silicone resin microparticles | fine-particles (A) A biaxially oriented polyester film characterized by containing 0.05 to 1.0% by weight of inert fine particles (B) having a small average particle diameter, which has a small coarse protrusion and has good slipperiness, winding resistance, and cutting resistance, and particularly for electronic recording media. And as base films for capacitors:n n n ＲＳｉＯ 3/2 n n n (Here, R is 1 or more types chosen from a C1-C6 alkyl group and a phenyl group.). |