Cyclo.Plas 2: A Dual Focus Development as Alternative Materials to Plastic by Upcycling Fish Scale Waste Components

Youth STEM Matters Pub Date : 2021-10-25 DOI:10.51892/ysm.1.202104

J. Prawira

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Abstract

Using the biomimicry of fish scale composition, calcium salts and collagen, Cyclo.Plas 2 (CP2) is a dual-focus materials development addressing plastic degradability and waste accumulation. The biomineralisation concept was applied to valorise 3D-printed polylactic acid (PLA) waste with a fish scale-inspired mineral, hydroxyapatite (HAp), to form composites. It was found that the composites exhibited greater flexural strength compared to 3D-printed PLA waste and had faster degradation in hydrolysis, home composting and acidic environments. Following the sclerotisation concept, the physicochemical properties of intact collagenous matrix of fish scale waste were enhanced to form a thin, plastic-like material. These thin films were comparable to low-density polyethylene (LDPE), with high transparency and shrinkage performance. Samples biodegraded after 8 weeks with no phytotoxicity and enhanced plant growth. Trials showed improved thermal stability and water resistance, yet the samples degraded with low total dissolved solids. Cyclo.Plas 2 serves as a preventative and practical disposal solution to promoting a circular economy through home composting.

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三轮车。规划二:利用鱼鳞废物组件进行升级再造，以发展替代塑胶的双重焦点

利用鱼鳞组成、钙盐和胶原蛋白的仿生学，Plas 2 (CP2)是一种解决塑料可降解性和废物积累的双焦点材料。生物矿化概念被应用于3d打印聚乳酸(PLA)废物与鱼鳞启发的矿物羟基磷灰石(HAp)，形成复合材料。研究发现，与3d打印的PLA废料相比，复合材料具有更高的抗弯强度，并且在水解、家庭堆肥和酸性环境下降解速度更快。根据硬化概念，鱼鳞废物的完整胶原基质的物理化学性质得到增强，形成一种薄的、类似塑料的材料。这些薄膜与低密度聚乙烯(LDPE)相当，具有高透明度和高收缩性能。样品在8周后生物降解，没有植物毒性，并促进了植物生长。试验表明，样品的热稳定性和耐水性得到了改善，但总溶解固体含量较低。三轮车。Plas 2是一种预防性和实用的处理方案，通过家庭堆肥促进循环经济。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Youth STEM Matters

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