| FTIR研究催化剂对半预聚物法PUU弹性体固化过程的氢键化作用及力学性能的影响 |
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| 引用本文： | 孙宝全.FTIR研究催化剂对半预聚物法PUU弹性体固化过程的氢键化作用及力学性能的影响[J].中国材料科技与设备,2008,5(1):70-72. |
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| 作者姓名： | 孙宝全 |
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| 作者单位： | 胜利油田分公司采油研究院,山东东营257000 |
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| 基金项目： | 石油大学重质油国家重点实验室开放基金项目（200604）;胜利石油管理局和中国博士后基金资助项目（博士后基金号20070410370）;山东省中青年科学家奖励基金项目（2007BSB0100） |
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| 摘 要： | 采用原位FTIR技术跟踪了半预聚物法聚醚型聚氨酯脲的固化过程，研究了催化剂对固化过程的氢键化作用及力学性能的影响。原位FTIR的光谱数据表明，随着催化剂浓度的增加，软段形成的速率逐渐增加，氢键化脲键羰基的有序性降低，微相混合度增加。催化剂决定着弹性体的微结构和力学性能，实验结果显示：当催化剂的质量浓度为2．5‰时，聚氨酯脲PUU弹性体表现出最大的拉伸强度和撕裂强度。
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| 关 键 词： | FTIR 催化荆 聚氨酯脲 力学性能 |
Investigation of Hydrogen-bond Interaction and Mechanical Properties for PUU Elastomers During Polyurethane-urea Curing Process by FFIR |
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| SUN Bao-quan.Investigation of Hydrogen-bond Interaction and Mechanical Properties for PUU Elastomers During Polyurethane-urea Curing Process by FFIR[J].Chinese Materials Science Technology & Equipment,2008,5(1):70-72. |
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| Authors: | SUN Bao-quan |
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| Affiliation: | SUN Bao-quan (Oil Production Institute of Shengli Oilfield, Shandong, Dongying, 257001,China) |
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| Abstract: | The curing process for polyether based PUU elastomers was followed by insitu FTIR. The hydrogen-bond interaction and mechanical properties for PUU elastomers during bulk quasi- prepolymer process was investigated by FTIR. The results showed that both the micro-structure and the mechanical properties were controlled by the catalyst. With an increase in mass concentration of catalyst （T-12）, the rate of formation for soft segment increased fast, while the order of hydrogen- bonded urea carbonyl decreased, and the mix degree of micro-phase increased. When the mass concentration of catalyst（T- 12） was about 2.5 ‰, the PUU elastomer showed the highest tensile strength and tear strength. |
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| Keywords: | FTIR Polyurethane- urea Catalyst Mechanical properties |
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