菠萝纤维的制备与表征  

Preparation and Evaluation of Pineapple Fiber

作　　者：陈嘉琳 李端鑫 于洋[1] 范皖月 孙颖[1] CHEN Jialin;LI Duanxin;YU Yang;FAN Wanyue;SUN Ying(Qiqihar University,Qiqihar,161000,China)

机构地区：[1]齐齐哈尔大学,黑龙江齐齐哈尔161000

出　　处：《棉纺织技术》2021年第2期31-35,共5页Cotton Textile Technology

基　　金：黑龙江省教育厅基本科研业务费科研项目(135409708)。

摘　　要：为克服单一脱胶方法的缺点,采用物理⁃化学⁃生物脱胶法从菠萝叶中提取菠萝纤维,对菠萝纤维的结构进行表征。分析了菠萝纤维的结晶度和热稳定性,并观察了菠萝纤维的形貌。结果表明:经脱胶处理后,提高了羟基的吸振峰,而胶质官能团的吸振峰减弱;脱胶后菠萝纤维的碳含量降低,而氧含量增加;脱胶后纤维的结晶度从33.19%提高到52.1%,且菠萝纤维的热分解温度显著升高。扫描电镜显示菠萝纤维表面的胶体大部分被去除,表面光滑。经物理⁃化学⁃生物脱胶处理后,菠萝纤维残胶率为19.98%,纤维直径为31.25μm,断裂强力为21.35 cN。In order to overcome the shortage of single degumming method,physical-chemical-biological degumming method was used to extract pineapple fiber from pineapple leaves.The structure of pineapple fiber was evaluated.The crystallinity and thermal stability of pineapple fiber were analyzed.The morphology of pineapple fiber was observed.The test results showed that the vibration absorbing peak of hydroxy was improved after degumming treatment while the vibration absorbing peak of gum functional group was weakened.After degumming,the carbon content of pineapple fiber was decreased and the oxygen content was increased.The crystallinity of the fiber after degumming was increased from 33.19%to 52.1%.Moreover,the thermal decomposition temperature of pineapple fiber was obviously increased.The scanning electron microscope showed that the gum on the surface of pineapple fiber were mostly removed and the surface was smooth.After physical-chemical-biological degumming treatment,the residual gum rate was 19.98%,the fiber diameter was 31.25μm and the breaking strength was 21.35 cN.

关 键 词：菠萝叶 菠萝纤维 联合脱胶 残胶率 结晶度 热重分析 

分 类 号：TS102.2[轻工技术与工程—纺织工程]