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材料工程  2013, Vol. 0 Issue (4): 39-44    DOI: 10.3969/j.issn.1001-4381.2013.04.008
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
水对硬质聚氨酯-酰亚胺泡沫泡孔结构与性能的影响
安曼1, 陈兴刚1,2, 侯桂香1, 桑晓明1
1. 河北联合大学 材料科学与工程学院 河北省无机非金属材料重点实验室, 河北 唐山 063009;
2. 河北联合大学 轻工学院,河北 唐山 063000
Effect of Water on Cellular Structure and Properties of Rigid Polyurethane-imide Foams
AN Man1, CHEN Xing-gang1,2, HOU Gui-xiang1, SANG Xiao-ming1
1. Hebei Province Key Laboratory of Inorganic Nonmetallic Materials,College of Materials Science and Engineering,Hebei United University,Tangshan 063009,Hebei,China;
2. Qinggong College,Hebei United University,Tangshan 063000,Hebei,China
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摘要 采用PI预聚体法合成硬质聚氨酯-酰亚胺泡沫塑料,分析了发泡剂水对泡沫塑料密度、表面粉化程度以及力学性能的影响。运用幂次法则建立了力学性能与密度之间的关系,并利用体视显微镜和偏光显微镜对泡沫塑料的泡孔结构进行了研究。结果表明,硬质聚氨酯-酰亚胺泡沫塑料的密度、抗压强度与压缩模量、冲击强度以及泡孔棱厚随水用量的增加逐渐减小;孔径和表面粉化程度随水用量的增加而逐渐增大;密度与抗压强度、压缩模量、冲击强度之间的密度指数分别为1.78,1.55和0.72。
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安曼
陈兴刚
侯桂香
桑晓明
关键词 聚氨酯-酰亚胺幂次法则泡孔结构性能    
Abstract:PI prepolymerization method was adopted to synthesize rigid polyurethane-imide foams. The effect of content of water on the density, surface chalking degree and mechanical properties was analyzed. The relationship between the mechanical property and density was established following the power law. In addition, the cellular structure was observed using stereomicroscope and polarizing microscope. The results showed that,with the increased content of water, the density, compressive strength,compressive modulus, impact strength and cell edge thickness of rigid polyurethane-imide foams decreased,and average cell diameter and surface chalking degree of foams increased. The density exponent value was calculated as 1.78, 1.55 and 0.72 for compressive strength, compressive modulus and impact strength, respectively, for polyurethane-imide foams.
Key wordspolyurethane-imide    water    power law    cellular structure    property
收稿日期: 2012-05-06      出版日期: 2013-04-20
中图分类号: 

TQ328.2

 
基金资助:

河北省科技支撑计划项目资助(11215121D); 河北省高等学校科学技术研究重点项目资助(ZH2012014)

通讯作者: 桑晓明(1969—),男,教授,从事复合材料和新型泡沫塑料研究,联系地址:河北省唐山市新华西道46号河北联合大学材料科学与工程学院(063009)     E-mail: xmsang@heuu.edu.cn
作者简介: 安曼(1988—),女,硕士研究生,从事复合材料和新型泡沫塑料研究,E-mail:amman0001@126.com
引用本文:   
安曼, 陈兴刚, 侯桂香, 桑晓明. 水对硬质聚氨酯-酰亚胺泡沫泡孔结构与性能的影响[J]. 材料工程, 2013, 0(4): 39-44.
AN Man, CHEN Xing-gang, HOU Gui-xiang, SANG Xiao-ming. Effect of Water on Cellular Structure and Properties of Rigid Polyurethane-imide Foams. Journal of Materials Engineering, 2013, 0(4): 39-44.
链接本文:  
http://jme.biam.ac.cn/CN/10.3969/j.issn.1001-4381.2013.04.008      或      http://jme.biam.ac.cn/CN/Y2013/V0/I4/39
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