文献类型：期刊文献

中文题名：聚乙烯醇与纤维素纳米晶体复合膜材料的制备与性能研究

英文题名：Preparation and Properties of Nanocomposite Films Composed of Cellulose Nanocrystals and Polyvinyl Alcohol

作者：王丹[1] 刘鹤[1] 商士斌[1] 宋湛谦[1]

第一作者：王丹

机构：[1]中国林业科学研究院林产化学工业研究所生物质化学利用国家工程实验室国家林业局林产化学工程重点开放性实验室江苏省生物质能源与材料重点实验室

年份：2009

卷号：29

期号：B10

起止页码：43-46

中文期刊名：林产化学与工业

外文期刊名：Chemistry and Industry of Forest Products

收录：CSTPCD;;Scopus;北大核心:【北大核心2008】；CSCD:【CSCD_E2011_2012】；

基金：国家863计划资助(2007AA10074);中央级公益性科研院所基本科研业务费专项资金资助(CAFYBB2007030)

语种：中文

中文关键词：聚乙烯醇;纤维素纳米晶体;纳米复合膜

外文关键词：polyvinyl alcohol;cellulose nanocrystals;nanocomposite film

分类号：TQ35

摘要：以聚乙烯醇作为基体聚合物,纤维素纳米晶体悬浮液作为添加物,制备了纳米复合膜材料。纤维素纳米晶体悬浮液与聚乙烯醇混合均匀后通过溶解浇铸、蒸发溶剂制备复合膜。并对纤维素纳米晶体的结构、形貌,以及纤维素纳米晶体的添加量对复合膜性能的影响进行了分析与表征。检测结果表明,纤维素纳米晶体为棒状结构,长约200 nm,直径约20 nm,制备的纳米复合膜均匀稳定。随着纤维素纳米晶体添加量的增加,复合膜的热稳定性提高,拉伸强度增强。
Nanocomposite films were prepared from a suspension of cellulose nanocrystals as filler and polyvinyl alcohol as polymeric matrix. After the suspensions of cellulose nanocrystals and polyvinyl alcohol were mixed homogeneously, nanocomposite films were obtained by casting and evaporating. The morphology and structure of cellulose nanocrystals and the properties of nanocomposite films affected by cellulose content were characterized and analyzed. The rod-liked cellulose nanocrystals were about 20 nm in diameter and 200 nm in length. The nanocomposite films were uniform and stable, and showed an increase in thermal stability and tensile strength with an increase of the fillers content.