A novel superabsorbent from raw corn straw and poly(acrylic acid)
Source abstract
Abstract
A superabsorbent (CS/PAA SAR) for agriculture based on raw corn straw was prepared by free radical polymerization of acrylic acid (AA) in the presence of corn straw (CS) powder, which was used as received without any treatments. The water absorbency (WA) of SAR was investigated. The results show that SAR possesses a maximum WA of 663 g/g in distilled water and 61 g/g in 0.9 wt% NaCl solution. The structure of SAR was studied by Fourier transforms infrared spectroscopy, scanning electron microscopy, X‐ray diffraction, and differential scanning calorimeter, respectively. And the results indicate that the CS/PAA SAR possesses an interconnecting polymer network and sea‐island type phase separated structure, and the crystallinity decreases compared with the native cellulose because of the decreased content of CS. POLYM. COMPOS., 38:1353–1362, 2017. © 2015 Society of Plastics Engineers
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Cellulose Research Studies · Natural Fiber Reinforced Composites · Electrospun Nanofibers in Biomedical Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Chemistry and Chemical Engineering Hexi University 734000 Zhangye People's Republic of China
Jiangsu Yoke Technology Co., Ltd. 214203 Yixing People's Republic of China
Funding
Project of Chinese Ministry of Education · National Nature Science Foundation of China
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