A novel release liner is provided which has a release surface comprising a syndiotactic polymer. The release liners of the present invention offer superior release to a wide variety of materials without the application of release agents, have relatively high heat distortion temperatures, and are unaffected...http://www.google.es/patents/US6326072?utm_source=gb-gplus-sharePatente US6326072 - Release liner incorporating syndiotactic vinyl aromatic polymer
