China Plastics ›› 2014, Vol. 28 ›› Issue (01): 70-73 .DOI: 10.19491/j.issn.1001-9278.2014.01.014

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Research on Processing Conditions of PVF Films by Solution Casting

  

  • Received:2013-06-18 Revised:2014-04-18 Online:2014-01-26 Published:2014-01-26

Abstract: PVF films containing different plasticizers and cosolvent were prepared by solution casting. The effects of processing parameters on the structure and properties of the films were investigated. The results showed PVF could be dissolved in DMF. The crystal structures of PVF films were destroyed, resulting in improved elongation at break and decreased tensile stress. DOP was a good plasticizer for PVF. The PVF films with good mechanical properties could be obtained with the concentration of PVF solution 3 % at 85 ℃ and 100 r/min stirring speed in the presence of deforming agent.

Key words: film, processing condition, poly(vinyl fluoride), solution casting