丝素/聚乙二醇/纤维素纳米晶复合膜的制备与表征( Fabrication and characterization of silk fibroin/poly(ethylene glycol)/cellulose nanowhisker composite films )

R Li Y Zhang L Zhu J Yao Experimental/ amorphous state dynamic testing filled polymers nanocomposites nanofabrication polymer films proteins stress-strain relations tensile strength transparency whiskers (crystal)/ transparent composite films poly(ethylene glycol) mulberry cellulose nanowhiskers tensile properties DMA analysis dynamic mechanical analysis alpha transition temperature molecular chains mobility reduction amorphous silk fibroin fibrous protein tensile stress-strain curves/ A8116 Methods of nanofabrication and processing A8140L Deformation, plasticity and creep A8170 Materials testing A8715 Molecular biophysics A6146 Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials A6220F Deformation and plasticity A6855 Thin film growth, structure, and epitaxy A6860 Physical properties of thin films, nonelectronic A6870 Whiskers and dendrites: growth, structure, and nonelectronic properties A7820D Optical constants and parameters (condensed matter) A7865T Optical properties of organi

以丝素蛋白(SF)、聚乙二醇和桑纤维素纳米晶须为原料制备了柔性透明的复合薄膜。当CNWs含量为12 w/w%时,CNWs均匀地分散在基体中。复合膜的拉伸性能一般取决于纳米晶须的含量，但与纯SF膜相比有明显改善。DMA分析表明,alpha转变温度随纳米晶须含量的增加而逐渐升高,这可能是由于纳米晶须与SF分子链之间形成了相互作用,导致非晶SF的迁移率降低。2011年Wiley期刊公司，J Appl Polym Sci，2012年

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