γ诱导聚乙烯吡咯烷酮接枝稻草纤维素

IF 1.1 4区 工程技术 Q4 POLYMER SCIENCE Polimery Pub Date : 2022-10-26 DOI:10.14314/polimery.2022.9.6
M. Suhartini, Zetryana Puteri Tachrim, Niken Hayudanti Anggarini, R. Rahmawati, Amanda Prasetyani, June Melawati, D. Deswita, B. Sugeng
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引用次数: 0

摘要

以稻草为原料,用聚乙烯吡咯烷酮(Cell-g-PVP)接枝纤维素。该过程是由同时γ射线辐照(Co-60)诱导的。通过FT-IR、XRD和EDS等方法证实了接枝PVP链的存在。研究了辐照剂量(20和30kGy)对Cell-g-PVP反应效率和热稳定性的影响。30kGy剂量的接枝率约为56%。辐射剂量越高,热稳定性越好。原子吸收光谱结果表明,Cell-g-PVP可以吸附Ni(II)、Cu(II)和Cr(II)离子。Cell-g-PVP对离子金属的吸附能力依次为Cu(II)>Ni(II)>Cr(II)。使用Cell-g-PVP对Cu(II)金属离子的吸附等温线遵循Langmuir吸附等温线,而化学吸附和吸附能在共聚物的所有侧面上都是恒定的。
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Gamma-induced grafting of rice straw cellulose with polyvinylpyrrolidone
Cellulose obtained from rice straw was grafted with polyvinylpyrrolidone (Cell-g-PVP). The process was induced by simultaneous gamma iradiation (Co-60). The presence of the grafted PVP chains was confirmed by FT-IR, XRD and EDS methods. The influence of the iradiation dose (20 and 30 kGy) on the reaction efficiency and thermal stability of Cell-g-PVP was investigated. The grafting yield at the dose of 30 kGy was about 56%. The higher dose of radiation resulted in better thermal stability. The AAS results showed that Ni(II), Cu(II), and Cr(II) ions can be adsorbed by Cell-g-PVP. The order of ion metals adsorption capacity of Cell-g-PVP was Cu(II) > Ni(II) > Cr(II). The adsorption isotherm of Cu(II) metal ion using the Cell-g-PVP followed the Langmuir adsorption isotherm whereas the chemical adsorption and the adsorption energy were constant on all sides of the copolymer.
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来源期刊
Polimery
Polimery Materials Science-Polymers and Plastics
CiteScore
2.90
自引率
6.20%
发文量
35
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.
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