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首页> 外文期刊>Journal of Applied Polymer Science >Bioplastic based on 1,8-octanediol-plasticized feather keratin: A material for food packaging and biomedical applications
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Bioplastic based on 1,8-octanediol-plasticized feather keratin: A material for food packaging and biomedical applications

机译：基于1,8-辛辣塑化的羽鼠角蛋白的生物塑料：用于食品包装和生物医学应用的材料

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摘要

Keratin without plasticizer produces fragile films. 1,8-Octanediol (OD) was used as a plasticizer to modify keratin films in this study. Two keratins with different structures were extracted from duck feather, including reduced keratin (RK) and native keratin (NK). Formaldehyde was used as the crosslinking agent for RK to prepare crosslinked keratin (CK) films. The addition of OD toughened the CK and RK films. In particular, the plasticized CK films demonstrated good mechanical properties and had satisfactory water resistance. The water vapor permeability varied between 0.106 and 0.808g/(m s Pa) for CK films without OD and with 0.30g OD/g keratin, respectively, and the tensile strength decreased from 12.1 to 8.0 MPa and the elongation at break increased from 2.3% to 11.6%. Cell culture experiments suggest that OD-plasticized NK films are biocompatible. In general, OD-plasticized keratin films can find applications in food packaging and biomedical materials. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46516.
机译：没有增塑剂的角蛋白产生脆弱的薄膜。 1,8-辛醇（OD）用作增塑剂以改性本研究中的角蛋白薄膜。用鸭羽中提取具有不同结构的两种角蛋白，包括减少角蛋白（RK）和天然角蛋白（NK）。甲醛用作RK的交联剂，制备交联角蛋白（CK）膜。加入OD增韧CK和RK薄膜。特别地，塑化的CK膜表现出良好的机械性能并具有令人满意的耐水性。对于没有OD的CK膜，水蒸气渗透性在没有OD的情况下为0.106和0.808g /（MS PA），分别为0.30g OD / g角蛋白，并且抗拉强度从12.1-8.0MPa降低，并且断裂伸长率从2.3％增加11.6％。细胞培养实验表明，除塑性的NK膜是生物相容性的。通常，OD塑化的角蛋白薄膜可以在食品包装和生物医学材料中找到应用。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46516。

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