Multilayer porous film, separator for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

A multilayer porous film comprising:

• a polyolefin-based resin porous film, and
• a coating layer comprising a filler and a resin binder on at least one surface of the polyolefin-based resin porous film,
• wherein an amount of particles with particle sizes of less than 0.2 μm (D0.2) in the filler is 1% or more,
• wherein a specific surface area of the filler is 5 m2/g or more and less than 10 m2/g, and
• wherein the multilayer porous film satisfies a condition (1):
• condition (1). after the multilayer porous film is cut to a size of 50 mm×50 mm and is stuck on thick paper in a state where the coating layer faces upward, a column-shaped weight having a diameter of 40 mm and a weight of 700 g and covered with a cotton cloth on an entire bottom surface thereof is placed on the coating layer, and the weight is rotated at a rotational speed of 50 rpm for 10 minutes to rub the surface of the coating layer, observation of the surface of the coating layer shows that the coating layer has a missing portion with an area of less than 10% of a contact area of the weight.