Webs, which comprises a filter and a method of preparing the web

Discloses a web, which comprises a filter and a method of preparation of the web. The disclosed web comprising a wholly aromatic liquid crystal polyester resin, a wholly aromatic liquid crystal polyester resin comprising repeating units derived from hydroxybenzoic acid and a repeating unit derived from a hydroxyl-naphthoic acid, but does not contain units derived from an aromatic dicarboxylic acid repeating units.