海洋甲壳类废弃物外骨骼合成n -去乙酰化几丁质的环境危害和毒性

IF 1.1 4区工程技术 Q4 POLYMER SCIENCE

Polimery Pub Date : 2022-11-16 DOI:10.14314/polimery.2022.10.5

Rasha E El-Mekawy

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引用次数: 0

摘要

以虾壳为原料合成了高分子量壳聚糖。通过红外光谱、X射线衍射、热重分析和扫描电镜分析，确定了壳聚糖的化学结构。测定了壳聚糖的物理化学性质，如分子量（80万g/mol）、脱乙酰度（80%）、灰分（1%），表明脱矿步骤对矿物的去除效果、水结合能力（4220%）和脂肪结合能力（537%）。由于壳聚糖乙酰基转化为NH2的–OH和–NH2，FT-IR光谱在3365 cm-1处显示出特征性的结合带。

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Environmentally hazard and toxic exoskeletons of marine crustaceans wastes in synthesizing N-deacetylated chitin

High molecular weight chitosan was synthesized from shrimp shells. Chemical structure of chitosan was confirmed using FT-IR, XRD, TGA, and SEM analyses. Physicochemical properties of chitosan such as molecular weight (800 000 g/mol), deacetylation degree (80%), ash content (1%) indicating effectiveness of demineralization step in removing minerals, water binding capacity (4220%), and fat binding capacity (537%), were determined. FT-IR spectra exhibited characteristic joint band at 3365 cm-1 due to –OH and –NH2 regarding to the conversion of chitin acetyl group to NH2 of chitosan.

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来源期刊

Polimery Materials Science-Polymers and Plastics

CiteScore

2.90

自引率

6.20%

发文量

审稿时长

1 months

期刊介绍： The "Polimery" journal, of international circulation, is publishing peerreviewed scientific and technical research papers covering polymer science and technology in the field of polymers, rubbers, chemical fibres and paints. The range of topics covered are raw materials, polymer synthesis, processing and applications of polymers. Apart from scientific and technical research papers the monthly includes technical and commercial information such as reports from fairs and exhibitions as well as home, world and technical news. “Polimery "- an international journal covering the following topics: polymers, rubber, chemical fibres and paints. The Journal is addressed to scientists, managers and engineering staff of universities, Polish Academy of Sciences, R&D institutions, industry, specializing in polymer chemistry, physical chemistry, technology and processing. “Polimery” publishes original, reviewed research, scientific and technology papers in the field of polymer synthesis, analysis, technology and modification, processing, properties, applications and recycling.