聚乙烯醇发泡材料研究进展  

Research Progress of Polyvinyl Alcohol Foaming Materials

作　　者：李鹏珍 李凤红[1] 师岩 笪伟 王哲 姜天赐 陈立鑫 Li Pengzhen;Li Fenghong;Shi Yan;Da Wei;Wang Zhe;Jiang Tianci;Chen Lixin(School of Petrochemical Engineering,Shenyang University of Technology,Liaoyang 111003,China)

机构地区：[1]沈阳工业大学石油化工学院,辽宁辽阳111003

出　　处：《工程塑料应用》2021年第2期172-176,共5页Engineering Plastics Application

基　　金：辽宁省高等学校基本科研重点项目(LZGD2017040)。

摘　　要：从化学发泡剂和物理发泡剂两个方面综述了聚乙烯醇(PVAL)发泡材料的发泡工艺,着重介绍了无机发泡剂和有机发泡剂两种化学发泡剂以及超临界CO_(2)物理发泡剂对PVAL发泡材料泡孔尺寸、孔径、力学性能等的影响,不同发泡剂具有不同的特点,绿色环保的超临界CO_(2)发泡剂将是今后研究的重点。此外,对PVAL发泡材料在生物医学领域、污水处理及包装领域的应用现状进行了介绍。The foaming process of polyvinyl alcohol(PVAL)foaming materials were reviewed from two aspects of chemical foaming agent and physical foaming agent.The effects of inorganic foaming agent and organic foaming agent,as well as supercritical CO_(2)physical foaming agent on the cell size,pore size and mechanical properties of PVAL foaming materials were emphatically introduced.The different foaming agents have different characteristics,the green and environmentally friendly supercritical CO_(2)foaming agents will be the focus of future research.In addition,the application status of PVAL foaming materials in biomedical,sewage treatment and packaging fields were introduced.

关 键 词：聚乙烯醇 化学发泡剂 物理发泡剂 超临界CO2 发泡材料 

分 类 号：TQ325.9[化学工程—合成树脂塑料工业]