首页> 外文期刊>Journal of Applied Polymer Science >Compatibilization of Acrylic Polymer-Silk Fibroin Blend Fibers.I.Graft Copolymerzation of Acrylonitrile onto Silk Fibroin
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Compatibilization of Acrylic Polymer-Silk Fibroin Blend Fibers.I.Graft Copolymerzation of Acrylonitrile onto Silk Fibroin

机译:丙烯酸聚合物-丝素蛋白共混纤维的增容.I。丙烯腈与丝素蛋白的接枝共聚

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摘要

To synthesize effective compatibilizers for the compatibilization of acrylic polymer-silk fibroin blend fibers,the homogeneous graft copolymerization of acrylonitrile onto silk fibroin,initiated by potassium persulfate-sodium bisulfite redox system in 60 wt% ZnCl_2 aqueous solution was investigated.The percentage graft,percentage efficiency,and molecular weight of the grafted polyacrylonitrile increase with the increase of the concentration of initiator,the concentration of acrylonitrile,and the temperature to optimum values,respectively, and then decrease.With the increase of reaction time,the percentage graft and percentage efficiency increase,whereas the molecular weight of the grafted polyacrylonitrile decreases.The influence of the reaction conditions on the molecular architecture of the graft copolymers is also discussed.
机译:为了合成有效的增容剂,以使丙烯酸聚合物-丝素蛋白共混纤维相容,研究了过硫酸钾-亚硫酸氢钠氧化还原体系在60 wt%ZnCl_2水溶液中引发的丙烯腈在丝素蛋白上的均相接枝共聚。接枝率,百分比随着引发剂浓度,丙烯腈浓度和温度的升高,接枝聚丙烯腈的效率和分子量分别升高,然后降低。随着反应时间的增加,接枝率和效率百分比增加讨论了反应条件对接枝共聚物分子结构的影响。

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