Preparation of nanocellulose-polyvinyl alcohol composite hydrogels from Desmodium intortum (Mill.) Urb.: Chemical property characterization

IF 5.6 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2022-02-01 DOI:10.1016/j.indcrop.2021.114371

Rong-shu Dong , Feng Lu , Pan-dao Liu , Xin-yong Li , Rui Huang , Guo-dao Liu , Jian Chen

{"title":"Preparation of nanocellulose-polyvinyl alcohol composite hydrogels from Desmodium intortum (Mill.) Urb.: Chemical property characterization","authors":"Rong-shu Dong , Feng Lu , Pan-dao Liu , Xin-yong Li , Rui Huang , Guo-dao Liu , Jian Chen","doi":"10.1016/j.indcrop.2021.114371","DOIUrl":null,"url":null,"abstract":"<div>Nanocrystalline cellulose (NCC) was extracted from Desmodium intortum (Mill.) Urb. by sulfuric acid hydrolysis, and the NCC and polyvinyl alcohol (PVA) were fused together by repeated freezing and thawing cycles to obtain nanofiber-polyethylene. The alcohol composite hydrogel was characterized by XRD, FTIR, and SEM methods. The results showed that nanocellulose is primarily blended with polyvinyl alcohol through physical cross-linking, and the water retention of the composite hydrogel is obvious. Specifically, when the amount of NCC added was 0.4%, the water content increased to 94.26%. In short, the nanocellulose extracted from Desmodium intortum (Mill.) Urb. can effectively improve the water retention and thermal stability of PVA, which provides an effective theoretical basis for the hydrogel in medical dressings and improves the application value of Desmodium intortum (Mill.) Urb.</div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"176 ","pages":"Article 114371"},"PeriodicalIF":5.6000,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Industrial Crops and Products","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0926669021011365","RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AGRICULTURAL ENGINEERING","Score":null,"Total":0}

引用次数: 10

Abstract

Nanocrystalline cellulose (NCC) was extracted from Desmodium intortum (Mill.) Urb. by sulfuric acid hydrolysis, and the NCC and polyvinyl alcohol (PVA) were fused together by repeated freezing and thawing cycles to obtain nanofiber-polyethylene. The alcohol composite hydrogel was characterized by XRD, FTIR, and SEM methods. The results showed that nanocellulose is primarily blended with polyvinyl alcohol through physical cross-linking, and the water retention of the composite hydrogel is obvious. Specifically, when the amount of NCC added was 0.4%, the water content increased to 94.26%. In short, the nanocellulose extracted from Desmodium intortum (Mill.) Urb. can effectively improve the water retention and thermal stability of PVA, which provides an effective theoretical basis for the hydrogel in medical dressings and improves the application value of Desmodium intortum (Mill.) Urb.

查看原文本刊更多论文

刺草制备纳米纤维素-聚乙烯醇复合水凝胶的研究市区。:化学性质表征

摘要从鸢尾草(Desmodium intortum)中提取纳米纤维素(NCC)。市区。将NCC和聚乙烯醇(PVA)通过反复冻融循环融合在一起，得到纳米聚乙烯纤维。采用XRD、FTIR、SEM等方法对乙醇复合水凝胶进行了表征。结果表明，纳米纤维素主要与聚乙烯醇通过物理交联进行共混，复合水凝胶的保水性明显。其中，当NCC添加量为0.4%时，水含量增加到94.26%。简而言之，从棘球菊中提取的纳米纤维素。市区。能有效提高PVA的保水性能和热稳定性，为水凝胶在医用敷料中的应用提供了有效的理论依据，提高了刺草的应用价值。市区。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.