结晶度
聚苯胺
细菌纤维素
肿胀 的
材料科学
膜
接触角
纤维素
化学工程
原位聚合
导电聚合物
聚合
傅里叶变换红外光谱
膨胀能力
高分子化学
聚合物
复合材料
化学
工程类
生物化学
作者
Emanuel Alonso,Marisa Faria,Faranak Mohammadkazemi,Matic Resnik,Artur Ferreira,Nereida Cordeiro
标识
DOI:10.1016/j.carbpol.2017.12.025
摘要
Bacterial cellulose/polyaniline (BC/PANi) blends present a great potential for several applications. The current study evaluates the impact of using different BC matrixes (drained, freeze-dried and regenerated) and different synthesis conditions (in situ and ex situ) to improve the inherent properties of BC, which were monitored through FTIR-ATR, EDX, XRD, SEM, AFM, swelling, contact angle measurement and IGC. The employment of in situ polymerization onto drained BC presented the most conductive membrane (1.4 × 10-1 S/cm). The crystallinity, swelling capacity, surface energy and acid/base behavior of the BC membranes is substantially modified upon PANi incorporation, being dependent on the BC matrix used, being the freeze-dried BC blends the ones with highest crystallinity (up to 54%), swelling capacity (up to 414%) and surface energy (up to 75.0 mJ/m2). Hence, this work evidenced that the final properties of the BC/PANi blends are greatly influenced by both the BC matrixes and synthesis methods employed.
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