{"title":"THE LITHIUM CHLORIDE/DIMETHYLACETAMIDE SOLVENT FOR CELLULOSE: A LITERATURE REVIEW","authors":"Timothy R. Dawsey, C. McCormick","doi":"10.1080/07366579008050914","DOIUrl":null,"url":null,"abstract":"Abstract Cellulose or poly(1·4)-β-D-D-glucose is the most abundant, renewable organic raw material [1]. The molocular structure (Fig. 1) consists of cellobiose repeating units which allow chain-packing by intermolecular [2] and intramolecular [3] hydrogen-bonding. Such strong interactions are responsible for excellent inherent mechanical properties, yet at the same time, interfere with efforts to process or modify the material. Only in a few instances have cellulose derivatives been exploited commercially and certainly not to the extent predicted from raw material availability and cost. Controllable, uniform derivatization has been hampered by the lack of suitable, nondegrading solvents or by a limited range of synthetic reactions within these solvents.","PeriodicalId":16139,"journal":{"name":"Journal of Macromolecular Science-reviews in Macromolecular Chemistry and Physics","volume":"1 1","pages":"405-440"},"PeriodicalIF":0.0000,"publicationDate":"1990-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"275","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Macromolecular Science-reviews in Macromolecular Chemistry and Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/07366579008050914","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 275
Abstract
Abstract Cellulose or poly(1·4)-β-D-D-glucose is the most abundant, renewable organic raw material [1]. The molocular structure (Fig. 1) consists of cellobiose repeating units which allow chain-packing by intermolecular [2] and intramolecular [3] hydrogen-bonding. Such strong interactions are responsible for excellent inherent mechanical properties, yet at the same time, interfere with efforts to process or modify the material. Only in a few instances have cellulose derivatives been exploited commercially and certainly not to the extent predicted from raw material availability and cost. Controllable, uniform derivatization has been hampered by the lack of suitable, nondegrading solvents or by a limited range of synthetic reactions within these solvents.
纤维素或聚(1·4)-β- d - d -葡萄糖是最丰富的可再生有机原料[1]。分子结构(图1)由纤维二糖重复单元组成，允许通过分子间[2]和分子内[3]氢键进行链包装。这种强烈的相互作用产生了优异的内在机械性能，但同时也干扰了材料的加工或改性。只有在少数情况下，纤维素衍生物得到了商业开发，当然没有达到从原材料可得性和成本预测的程度。由于缺乏合适的、不降解的溶剂或在这些溶剂内的有限范围的合成反应，可控的、均匀的衍生化一直受到阻碍。
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