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有机发泡剂制备聚乙烯醇-碱木质素发泡材料及性能研究

陈禾木 罗华超 王琛 封卫 陈颖超 任世学

陈禾木, 罗华超, 王琛, 封卫, 陈颖超, 任世学. 有机发泡剂制备聚乙烯醇-碱木质素发泡材料及性能研究[J]. 北京林业大学学报, 2015, 37(7): 109-116. doi: 10.13332/j.1000-1522.20150012
引用本文: 陈禾木, 罗华超, 王琛, 封卫, 陈颖超, 任世学. 有机发泡剂制备聚乙烯醇-碱木质素发泡材料及性能研究[J]. 北京林业大学学报, 2015, 37(7): 109-116. doi: 10.13332/j.1000-1522.20150012
CHEN He-mu, LUO Hua-chao, WANG Chen, FENG Wei, CHEN Ying-chao, REN Shi-xue. Preparation and properties of polyvinyl alcohol alkali lignin foam materials with organic foaming agent[J]. Journal of Beijing Forestry University, 2015, 37(7): 109-116. doi: 10.13332/j.1000-1522.20150012
Citation: CHEN He-mu, LUO Hua-chao, WANG Chen, FENG Wei, CHEN Ying-chao, REN Shi-xue. Preparation and properties of polyvinyl alcohol alkali lignin foam materials with organic foaming agent[J]. Journal of Beijing Forestry University, 2015, 37(7): 109-116. doi: 10.13332/j.1000-1522.20150012

有机发泡剂制备聚乙烯醇-碱木质素发泡材料及性能研究

doi: 10.13332/j.1000-1522.20150012
基金项目: 

十二五”

国家科技支撑计划项目(2012BAD24B0403)、东北林业大学大学生科研训练项目(KY2014018)

详细信息
    作者简介:

    陈禾木。主要研究方向:天然高分子化学。Email:1464364648@qq.com 地址:150040 黑龙江省哈尔滨市和兴路26号东北林业大学材料科学与工程学院。

    责任作者:

    任世学,博士,副教授。主要研究方向:天然高分子化学。Email:renshixue@nefu.eud.cn 地址:同上。

Preparation and properties of polyvinyl alcohol alkali lignin foam materials with organic foaming agent

  • 摘要: 为改进造纸黑液中木质素再利用情况和PVA泡沫的力学性能,以甲醛为交联剂,采用BSH发泡剂发泡制备聚乙烯醇-碱木质素发泡材料(PLFM)并测定其相关性能。结果表明:相对于PVA用量,发泡剂用量0.5%、甲醛用量0.8mL/g、麦草碱木质素用量30%时,制备的PLFM力学性能最好,拉伸强度最大,为28.94MPa;吸水率最低,为2.455倍;表观密度0.28g/cm3。PLFM的耐溶剂性能随碱木质素用量的增大而降低;碱木质素、PVA和甲醛交联较好,发生芳环的5位取代;泡沫均匀、孔隙规则;具有较好的生物相容性;热稳定性不因碱木质素的加入而降低,且热降解性好。

     

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出版历程
  • 收稿日期:  2015-01-16
  • 修回日期:  2015-01-16
  • 刊出日期:  2015-07-31

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