Polyester base drafting film with nitrocellulose and polymethylmethacrylate layer

摘要

A drafting film comprising a hydrophobic support and a matte layer formed thereon, said matte layer comprising silicon dioxide as a matting agent and a mixture of polymethyl methacrylate or a copolymer thereof and nitrocellulose. The drafting film show excellent adaptability for writing or drawing and revising or erasing. A wash-off type photographic film is also provided by forming a wash-off silver halide photosensitive emulsion layer on the drafting film.