Chem. J. Chinese Universities

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Studies of Ultrafine Cellulose Fiber Reinforced Soy Protein Isolate Composite Film with High Light Transmittance

CHEN Guan-Fu-Shou, LIU Hai-Qing*   

  1. College of Chemistry and Materials Science, Fujian Normal University, Key Laboratory of Polymer Materials of Fujian Province, Fuzhou 350007, China
  • Received:2008-05-12 Revised:1900-01-01 Online:2009-02-10 Published:2009-02-10
  • Contact: LIU Hai-Qing

Abstract: Ultrafine cellulose fibers with the diameter of ca. 430 nm were synthesized by electrospinning. The cellulose fibers were embedded into soy protein isolate (SPI) to fabricate reinforced composite films. Their light transmittance, morphology and mechanical properties were characterized by scanning electron microscopy (SEM), tensile test and three-point bending test. Due to the ultrafine diameter of cellulose nanofibers, the composite film showed improved fiber/resin interfacial adhesion. This led to high visible light transmittance even though the composite film had a fiber mass fraction as high as 30%. The composite film exhibited improved mechanical properties as compared to the neat SPI film.

Key words: Electrospinning, Ultrafine cellulose fiber, Soybean protein isolate, Composite membrane, Light transmittance

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