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| 室温固化高强度聚氨酯弹性体的研究 | |
| 引用本文： | 李彦涛,张钧,周海军,张晓蕾,费学梅,刘会强.室温固化高强度聚氨酯弹性体的研究[J].河北省科学院学报,2008,25(2):57-59. |
| 作者姓名： | 李彦涛 张钧 周海军 张晓蕾 费学梅 刘会强 |
| 作者单位： | 1. 石家庄职业技术学院,河北,石家庄,050081 2. 河北省能源研究所,河北,石家庄,050081 3. 河北工业大学,天津,300130 |
| 摘 要： | 研究了室温固化聚氨酯弹性体的合成工艺,探讨了多元醇低聚物、分子量、异氰酸根含量和扩链系数对聚氨酯弹性体力学性能的影响.使用聚酯多元醇CMA-24和TDI100合成聚氨酯预聚体,异氰酸根(NCO)含量为3.6%,扩链系数为0.97时,可以得到拉伸强度为38MPa,断裂伸长率为480%的聚氨酯弹性体. |
| 关 键 词： | 聚氨酯 室温固化 弹性体 力学性能 |
Study on high strength polyurethane elastomer cured in room temperature |
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| LI Yan-tao,ZHANG Jun,ZHOU Hai-jun,ZHANG Xiao-lei,FEI Xue-mei,LIU Hui-qiang.Study on high strength polyurethane elastomer cured in room temperature[J].Journal of The Hebei Academy of Sciences,2008,25(2):57-59. | |
| Authors: | LI Yan-tao ZHANG Jun ZHOU Hai-jun ZHANG Xiao-lei FEI Xue-mei LIU Hui-qiang |
| Institution: | 1.Hebei Institute of Energy Resources;Shijiazhuang Hebei 050081;China;2.Shijiazhuang Vocational Technology Institute;3.Hebei University of Technology;Tianjin 300130;China |
| Abstract: | The synthetic method of the high stength polyurethane elasromer cured in room temperature was studied.The influences of polyol prepolymer,molecular weight,NCO content and chain entender coefficient on the mechanical properties of the polyurethane elastomer were investigated.The results show that the high strength polyurethane elastomer is obtained when polyester CMA-24 is used,NCO content in the prepolymer is 3.6% and chain entender coefficient is 0.97.Its tensile strength and elongation is 38 MPa and 480%,... |
| Keywords: | Polyurethane Room temperature curing Elastomer Mechanical properties |
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