China Plastics ›› 2017, Vol. 31 ›› Issue (7): 1-8 .DOI: 10.19491/j.issn.1001-9278.2017.07.001

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Research Progresses in Processing Technology of Optical Grade BOPET Films

  

  • Received:2016-12-23 Revised:2017-04-10 Online:2017-07-26 Published:2017-07-26

Abstract: This article reviewed the recent research and manufacturing progresses of optical grade bioriented stretching poly(ethylene terephthalate) (BOPET) film, and intensively introduced two class optical grade BOPET films processed by biaxially oriented and coating technologies. Moreover, the biaxially oriented processing technology in the improvement of stretching temperature, stretching ratio, stretching rate and heat setting temperature as well as the introduction of surface coating technology for the preparation of optical grade BOPET film were also introduced. Finally, the development trend of optical grade BOPET film was prospected.

Key words: biaxially oriented polyester film, optical grade, coating, processing technology, research progress

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