New approach to use of domestic flaxseed raw materials

Q Chemical Engineering Chemical Engineering Pub Date : 2022-01-01 DOI:10.31044/1684-5811-2022-23-6-250-260
N. S. Dymnikova, E. Erokhina, A. P. Moryganov
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引用次数: 0

Abstract

The conditions for obtaining stable metallic silver hydrosols in the presence of flax fiber extracts have been studied by the method of «green chemistry» and the possibility of using synthesized sols to provide cellulose-containing materials with antimicrobial activity or biosecurity has been proved. The process of synthesis of ultrafine silver particles in the presence of concomitant natural impurities of flax fibers isolated from them during alkaline high-temperature treatment was studied by spectrophotometry, photon correlation spectroscopy and visual observation. The effect of the extract composition on dynamics of the formation of stable silver nanoparticles was determined. IR spectroscopy and potentiometric titration methods proved that an increase in the alkalinity of a cooking solution led not only to an increase in the amount of impurities in the solution, but also to their destruction, and the complex of reducing substances formed in the solution could act as a silver ion reducing agent even at a low extraction temperature. It was proven that antimicrobial activity against test cultures of synthesized sols and cellulose tissue treated with them depended on the conditions of synthesis.
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国产亚麻籽原料利用的新途径
用“绿色化学”的方法研究了在亚麻纤维提取物存在下获得稳定的金属银水溶胶的条件,并证明了利用合成溶胶提供具有抗菌活性或生物安全性的含纤维素材料的可能性。采用分光光度法、光子相关光谱法和目视观察等方法,研究了碱高温处理过程中分离的亚麻纤维中天然杂质存在下合成超细银颗粒的过程。研究了萃取物组成对银纳米颗粒形成动力学的影响。红外光谱和电位滴定法证明,蒸煮液碱度的增加不仅会导致溶液中杂质的数量增加,而且会导致杂质的破坏,在溶液中形成的还原性物质络合物即使在较低的萃取温度下也能起到银离子还原剂的作用。结果表明,合成溶胶及其处理的纤维素组织的抑菌活性与合成条件有关。
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来源期刊
Chemical Engineering
Chemical Engineering 工程技术-工程:化工
CiteScore
0.06
自引率
0.00%
发文量
0
审稿时长
6-12 weeks
期刊介绍: Chemical Engineering is published monthly by Access Intelligence, primarily for chemical engineers and related technical people in the chemical process industries (CPI), as well as at engineering, design and construction companies that serve the CPI. The CPI consist of: chemicals, including petrochemicals; drugs and cosmetics; explosives and ammunition; fats and oils; fertilizers and agricultural chemicals; foods and beverages; leather tanning and finishing; lime and cement; synthetic fibers; metallurgical and metal products; paints and coatings; petroleum refining and coal products; plastics; rubber; soap and detergents; stone, clay, glass and ceramics; wood, pulp, paper and board; other chemically processed products.
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