作为生物降解塑料生产原料的精制和半精制卡拉胶的初步性能鉴定

Q3 Environmental Science
B. B. Sedayu, P. Wullandari, A. Hakim, D. Fransiska
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引用次数: 1

摘要

粉末状精制和半精制卡拉胶(RC和SRC)已成为工业生物塑料生产的替代原料。观察了熔点温度、结晶度、化学结构(FTIR)和拉伸性能等基本参数。RC的熔融温度略高于SRC,分别为176℃和172℃。这些温度对应于它们的结晶度(由x射线衍射测定)。尽管如此,SRC在加热过程中表现出更高的整体热稳定性。RC产生了透明的薄膜。同时,SRC呈淡黄色,透明度较低。综合力学性能表明,RC比SRC产生了更柔韧的薄膜。然而,两种材料的抗拉强度相对相等。一般来说,RC和SRC可以潜在地用于不同用途的生物可降解薄膜生产。RC适用于柔性透明塑料薄膜,而SRC适用于硬质塑料薄膜。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Initial Properties Identification of Refined- and Semi Refined-Carrageenans as Raw Materials for Biodegradable Plastic Production
Powdered refined- and semi-refined carrageenans (RC and SRC) have been characterized as alternative raw materials for industrial bioplastic production. Several basic parameters, i.e., the melting temperature, crystallinity, chemical structure (FTIR), and tensile properties, were observed. The melting temperature of RC was slightly higher than that of SRC, i.e., 176 °C and 172 °C, respectively. These temperatures were corresponded to their crystallinity degree (performed by X-ray diffraction). Nonetheless, the SRC demonstrated an overall higher thermal stability during heating. RC produced a clear transparent film. Meanwhile, SRC was yellowish and less transparent. The overall mechanical properties showed that RC produced more flexible film than SRC. However, both materials showed relatively equal tensile strength. In general, RC and SRC could be potentially used for biodegradable film production with different applications. RC was suitable for a flexible and clear plastic film, whereas SRC was suitable for rigid plastic film applications.
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来源期刊
CiteScore
1.40
自引率
0.00%
发文量
10
审稿时长
16 weeks
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