Vinylidene fluoride resin film
AssigneeKureha Corporation
InventorsNobufumi Sato, Kazuyuki Kanno, Yusuke Sato, Keiko Aita, Hisaaki Terashima
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Abstract
A vinylidene fluoride resin film is produced by using a film composition containing at least a vinylidene fluoride resin and organic particles. The vinylidene fluoride resin film includes a plurality of protrusions on at least one surface thereof. Among the plurality of protrusions, the number of protrusions greater than 0.10 μm in height from a flat surface at which the protrusions are not present is from 40 to 400, per 0.10 mm2 of the vinylidene fluoride resin film.
Claims8
A vinylidene fluoride resin film comprising a film composition comprising a vinylidene fluoride resin and organic particles, wherein
- the vinylidene fluoride resin film comprises a plurality of protrusions on at least one surface thereof;
- among the plurality of protrusions, the number of protrusions greater than 0.10 μm in height from a flat surface at which the protrusions are not present is from 40 to 400, per 0.10 mm2 of the vinylidene fluoride resin film;
- the vinylidene fluoride resin is a homopolymer of vinylidene fluoride;
- and
- a relationship 0.18≤d/t≤2.0 is satisfied, where an average particle size of the organic particles is d (μm) and a film thickness of the vinylidene fluoride resin film is t (μm).
Dependencies are inferred from the claim text.