Author of What are the properties of coconut husk as bioplastic?
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Coconut husk exhibits various properties when used as a bioplastic material. It can be modified with different additives like chitosan and glycerol to alter its characteristics. Additionally, coconut husk can be directly processed into bioplastics through delignification and hot-pressing, resulting in bioplastics with high tensile strength, Young's modulus, and water stability. The reinforcement of cassava starch-based bioplastics with coconut husk fibers enhances tensile strength and impact energy, with optimal reinforcement levels identified. Moreover, combining coconut fiber and rice husk with poly-lactic acid using microwave energy treatment can improve mechanical properties and reduce water absorptivity in hybrid bio-composites. These studies collectively highlight the versatility and potential of coconut husk as a sustainable and effective material for bioplastic applications.
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20 Apr 2019 5 Citations | Coconut husk fiber enhances tensile strength, impact energy, and water absorption of bioplastics. Optimal reinforcement level is 10%, extendable to 15% for improved impact resistance. |
| The properties of coconut husk bioplastic include a crystalline structure with increasing intensity from alpha cellulose to biodegradable plastics, with insignificant changes in bond angles and lengths. | |
| The properties of coconut husk bioplastic include a Young's modulus of 2.1 ± 0.4 GPa, tensile strength of 22.8 ± 4.4 MPa, excellent water stability, and decent microbial biodegradability. | |
| The properties of coconut husk bioplastic include water resistance, flexibility, thickness, tensile strength, elongation, and degradation rate influenced by chitosan and glycerol ratios. |
Related Questions
What are the pros and cons of using coconut husk as paper?5 answersCoconut husk has several advantages and disadvantages when used as paper. One of the pros is that coconut husk is a waste material that can be repurposed, reducing waste and promoting sustainability. Additionally, coconut husk paper has the potential to be used as an alternative to traditional paper, which can help conserve forests and reduce deforestation. However, there are also some challenges associated with using coconut husk as paper. One major drawback is the low proportion of fibers in coconut husk, which can result in low paper yields and poor quality. Another disadvantage is the high amount of extractives in coconut husk, which can affect the chemical composition of the paper and its overall quality. Overall, while coconut husk paper offers potential environmental benefits, further research and development are needed to overcome its limitations and improve its quality and feasibility as a paper material.
How to build a bioplastic machine using coconut husk?4 answersTo build a bioplastic machine using coconut husk, a machine design powered by a 22 HP engine diesel that rotates at 1100 RPM can be used. The machine consists of a rotary knife connected to the engine through a double pulley-belt transmission system. The rotary knife, perpendicular to the axis, is designed with 19 knives at an angle difference of 60 degrees to increase effectiveness during the ripping process. The separation mechanism is achieved using lines and holes in a cylindrical tube with a diameter of 596 mm. The machine has a capacity of 123 kg/hour and dimensions of 2270 x 900 x 1323.13 mm. This machine is specifically designed for separating coconut fibre and cocopeat from coconut husks.
How can the simple shape sheet molding process be used to produce bioplastics from coconut husk?3 answersThe simple shape sheet molding process can be used to produce bioplastics from coconut husk by synthesizing carboxy methyl cellulose (CMC) from cellulose isolated from young coconut husk waste. The synthesized CMC is then blended with chitosan and glycerol to obtain biodegradable plastics. Additionally, the defibering process of coconut husk involves crushing the husk to maximize exposure to microbial action, soaking it in a tank filled with microbial inoculants, and heaping it in the shade to allow the microbes to break down the phenol and pectin of the husk. The husk is then decorticated and screened for complete separation of fiber and pith. Furthermore, alkaline pretreatment using sodium hydroxide can be applied to mature and young coconut husk to remove lignin and increase cellulose content. Enzymatic hydrolysis is then conducted to convert the lignocellulosic materials into fermentable sugars, allowing for the production of bioplastics.
What are the potential health benefits of coconut husks?5 answersCoconut husks have potential health benefits due to their antimicrobial activity and high fiber content. The husks contain bioactive ingredients that exhibit inhibitory effects against various bacteria, including common cariogenic bacteria in the oral cavity. The antimicrobial activity of coconut husk extracts has been found to be concentration-dependent and more effective against gram-negative organisms. Additionally, coconut husks are rich in fiber, lignin, cellulose, and other minerals, making them suitable for various applications, including as a foundation material for structures. The fiber in coconut husks has been evaluated for its weight capacity potential, indicating its favorable use in supporting and holding structures. Furthermore, coconut husks have been studied for their potential use as biofertilizers, as they contain phosphate solubilizing bacteria that can enhance plant growth and productivity. Overall, coconut husks offer a range of potential health benefits, including antimicrobial properties and fiber-rich composition.
What can i do in coconut husk?5 answersCoconut husk can be used for various purposes. It can be used for the preparation of coconut powder, where a coconut husk recovery unit is used to crush the shell and extract the coconut husk. Additionally, coconut husk can be used for bioethanol production. The wet gamma irradiation method can be employed to convert coconut husk into bioethanol, which is a more beneficial use of the husk compared to burning it. Coconut husk also has the potential to be used for oil spill clean-up. It has the ability to sorb crude oil, diesel, and kerosene from land and aqueous medium, although synthetic sorbents have higher sorption capacity. Furthermore, coconut husk can be processed to produce coconut husk strips with precision, improving the efficiency and quality of coconut processing. Lastly, a coconut husk production system can be used to reduce the salt content in coconut husk, making it more suitable for plant growth.
Can coconut husk be used as tea?4 answersCoconut husk can be used for various purposes, including as an adsorbent for the removal of Cr (VI) from aqueous solutions. It can also be used to make coconut fragrant tea, where it is mixed with tea leaves and a fragrant agent to create a unique flavor. Additionally, coconut husk is a valuable source of fibers known as coir fibers, which are used in a variety of applications. However, there is no mention of coconut husk being used directly as tea in any of the provided abstracts.