| 热塑性聚酯弹性体TPEE挤出发泡研究 |
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| 引用本文： | 李鑫,苑会林,刘长维,刘小建,梁娜,李明昆.热塑性聚酯弹性体TPEE挤出发泡研究[J].塑料工业,2011,39(5). |
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| 作者姓名： | 李鑫 苑会林 刘长维 刘小建 梁娜 李明昆 |
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| 作者单位： | 北京化工大学新型高分子材料的制备与加工北京市重点实验室,北京,100029 |
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| 摘 要： | 通过单螺杆熔融挤出制备了热塑性聚酯弹性体(TPEE)发泡片材.研究了复合发泡剂偶氮二甲酰胺(AC)/碳酸氢柠檬酸配比、发泡剂包覆体以及TPEE交联剂对发泡片材性能的影响.表观密度、力学性能和SEM结果显示:复合发泡剂AC/碳酸氢钠/柠檬酸的最佳质量比为15/5/5,丙烯酸酯包覆体可使TPEE发泡效果变好.凝胶含量和压缩永久形变结果显示:凝胶含量随交联剂用量的增加而增大,环氧交联剂用量为0.8份和异氰酸酯交联剂用量为1份时,发泡片材的压缩永久形变最小.动态力学分析(DMA)显示:交联发泡片材的损耗因子(tanδ)大于0.25,峰值温度130℃.扫描电镜和光学显微镜结果显示:异氰酸酯交联剂用量为1份时,发泡片材的泡孔直径大小均匀,分布集中.
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| 关 键 词： | 热塑性聚酯弹性体 复合发泡剂 包覆体 交联 |
Research on Extrusion Foaming of TPEE |
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| LI Xin,YUAN Hui-Lin,LIU Chang-wei,LIU Xiao-jian,LIANG Na,LI Ming-kun.Research on Extrusion Foaming of TPEE[J].China Plastics Industry,2011,39(5). |
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| Authors: | LI Xin YUAN Hui-Lin LIU Chang-wei LIU Xiao-jian LIANG Na LI Ming-kun |
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| Affiliation: | LI Xin,YUAN Hui-Lin,LIU Chang-wei,LIU Xiao-jian,LIANG Na,LI Ming-kun(Key Laboratory of Novel Polymer Materials Preparation and Processing of Beijing,Beijing University of Chemical,Beijing 100029,China) |
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| Abstract: | TPEE foaming sheet was prepared by melt extrusion with a single screw extruder.the effect of different ratios of azodicarbonamide(AC)/sodium bicarbonate(NaHCO3)/citric acid composite,foaming agent coating body and TPEE crosslinking agent on the foaming plate were studied.Apparent density,mechanical properties and SEM results showed the best ratio of AC/NaHCO3/citric acid was 15/5/5,acrylate foam-coated agent can make TPEE foam effect better.Gel content and compression set results indicated the gel content i... |
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| Keywords: | TPEE Composite Foaming Agent Foam-coated Agent Crosslinking |
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