How does sodium acetate works as a chemical treatment for natural fibers?
Best insight from top research papers
Sodium acetate acts as a beneficial chemical treatment for natural fibers by enhancing their qualities through various mechanisms. Studies on different natural fibers like Acacia pennata, Furcraea foetida, and sisal fibers have shown that sodium acetate treatment leads to the removal of impurities, such as lignin, hemicellulose, and pectin, resulting in improved fiber properties. This treatment increases the crystallinity of fibers, enhances their thermal stability, and improves their surface characteristics, leading to better adhesion with polymer matrices. Additionally, sodium acetate treatment has been found to increase tensile strength, elongation at break, and overall fiber quality, making them suitable for applications in lightweight polymer composites.
Answers from top 5 papers
More filters
| Papers (5) | Insight |
|---|---|
| Sodium acetate treatment enhances Acacia pennata fibers by increasing crystallinity, reducing impurities, improving thermal stability, and enhancing mechanical properties like tensile strength and elongation at break. | |
2 Citations | Sodium hydroxide treatment enhances hydrophobicity, while acetic acid treatment improves tensile modulus and interfacial shear strength in natural fibers like Furcraea foetida, as shown in the study. |
| Not addressed in the paper. | |
3 Citations | Sodium citrate acts as an eco-friendly complexing agent in bioscouring treatments, enhancing fabric parameters like weight loss, hydrophilicity, and color properties compared to EDTA in cellulosic/lignocellulosic fabrics. |
| Sodium acetate is not specifically discussed in the paper. The primary chemical treatment for natural fibers mentioned is sodium hydroxide, along with benzoylation, peroxidation, and silane treatments. |
Related Questions
What are uses of natural fibres?5 answersNatural fibers have diverse applications across various industries. They are utilized for geotechnical purposes such as soil reinforcement, enhanced drainage, and erosion control. In materials science, natural fiber composites are gaining importance due to their lightweight nature and mechanical properties, serving sectors like automotive, aerospace, and sports. Additionally, natural fibers are valued for their aesthetics, comfort, and high absorbency, making them suitable for medical, health, sanitation, and industrial uses after appropriate modifications. Furthermore, in the composite business sector, natural fibers are explored for environmental consciousness, social economy benefits, and customized performance through treatments and hybridization. Overall, natural fibers offer a sustainable alternative to conventional materials with a wide range of practical applications.
What is natural fibre composites?4 answersNatural fiber composites (NFCs) are composite materials made from renewable resources, combining reinforcing fibers from plants like jute, flax, hemp, and others with a matrix, often derived from biomass. These composites offer a sustainable alternative to conventional materials, addressing environmental concerns and the need for lightweight, low-carbon footprint materials. NFCs exhibit excellent mechanical properties, making them suitable for various applications in industries such as automotive, aerospace, and furniture. To enhance compatibility between the fibers and the polymer matrix, surface modifications like chemical treatments are often necessary. The utilization of NFCs is on the rise, with industries shifting towards sustainable alternatives due to diminishing petroleum reserves and the eco-friendly nature of natural fibers.
What are the advantages and disadvantages of using natural fibers in textiles?4 answersNatural fibers in textiles offer several advantages and disadvantages. On the positive side, natural fibers such as cotton and silk are eco-friendly, easily degradable, and contribute to green living practices. They are also flexible, possess excellent fineness, and have a high length-to-thickness ratio. Additionally, natural fibers have been used historically in textile manufacturing, fulfilling the need for clothing and offering various colors through natural dyes. However, natural fibers do have some limitations. They can be hydrophilic, prone to water absorption-induced swelling, and susceptible to microbial attack. They also have lower mechanical strength and color fastness compared to synthetic fibers. Despite these drawbacks, surface modification techniques can improve the properties of natural fibers, making them more suitable for various applications. Overall, the use of natural fibers in textiles provides both advantages and disadvantages, and their application depends on specific requirements and considerations.
What is the role of sodium acetate in DNA extraction?5 answersSodium acetate is used in DNA extraction for ion balance and to maintain the integrity of DNA samples during the extraction process. It is also used in a preservation solution to stabilize DNA samples at room temperature, allowing for wider sampling locations. Additionally, a second solution containing 5M sodium acetate is used for extraction, contributing to the resolution of extraction problems and ensuring the integrity of the extracted DNA sample.
What is the procedure for the alkaline treatment of abaca fibers?3 answersThe alkaline treatment of abaca fibers involves several steps. First, the fibers are immersed in a solution of sodium hydroxide (NaOH) for a specific period of time. The duration of the treatment can vary, ranging from 30 minutes to 48 hours. After the NaOH treatment, the fibers are rinsed and dried. This alkalization process helps to remove non-cellulosic components such as lignin and hemicellulose from the fibers. The removal of these components leads to changes in the composition, morphology, and mechanical properties of the fibers. The alkaline treatment also results in the gradual removal of connective material from the fiber surface, as observed through scanning electron microscopy (SEM) analysis. Overall, the alkaline treatment plays a crucial role in modifying the abaca fibers and improving their properties for use in composite materials.
What type of alkali is used for natural fibers and how does it affect it?5 answersNatural fibers are treated with different types of alkali, including alkali-enzymatic treatment, alkali treatment with NaOH, KOH, and Ca(OH)2. The type of alkali used has an effect on the natural fibers. For example, the alkali-enzymatic treatment of bamboo fibers resulted in an enhancement of physical properties such as linear density, tenacity, and elongation. In the case of Symphirema involucratum stem fiber, alkali treatment increased the cellulose content, crystallinity index, and small crystallite size, leading to improved mechanical and thermal properties. Additionally, alkali treatment of natural fibers like coir, sisal, and sponge guard fibers reduced water absorption, making them more suitable for humid environments. Overall, the type of alkali used in the treatment of natural fibers plays a crucial role in enhancing their physical, mechanical, and thermal properties, as well as their resistance to water absorption.