| 起重机用聚氨酯缓冲止位材料制备工艺研究 |
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| 引用本文： | 郑直,宋文生,张磊,王焕凌.起重机用聚氨酯缓冲止位材料制备工艺研究[J].弹性体,2009,19(2):22-26. |
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| 作者姓名： | 郑直 宋文生 张磊 王焕凌 |
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| 作者单位： | 1. 河南科技大学化工与制药学院,河南,洛阳,471003
2. 黎明化工研究院,河南,洛阳,471001 |
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| 基金项目： | 河南省高等学校青年骨干教师资助计划，洛阳市科技发展计划项目 |
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| 摘 要： | 对起重机用聚氨酯缓冲止位材料制备工艺进行了系统研究,发现扩链剂（乙二醇）、发泡剂（二氯甲烷）对聚氨酯微孔弹性体的性能影响很大。确定了制备邵氏A硬度60-80、密度0.55-0.65 g/cm^3、压缩50%时恢复率大于98%的聚氨酯微孔弹性体最佳配方体系,即：聚醚和乙二醇质量比为92∶8;发泡剂质量分数为（0.2±0.04）%（以聚醚组分记）;催化剂微量;异氰酸酯指数为1.05。
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| 关 键 词： | 聚氨酯微孔弹性体 扩链剂 发泡剂 力学性能 压缩恢复率 |
Study on the preparation process of polyurethane buffer materials for crane |
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| ZHENG Zhi,SONG Wen-sheng,ZHANG Lei,WANG Huan-ling.Study on the preparation process of polyurethane buffer materials for crane[J].China Elastomerics,2009,19(2):22-26. |
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| Authors: | ZHENG Zhi SONG Wen-sheng ZHANG Lei WANG Huan-ling |
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| Affiliation: | ZHENG Zhi ,SONG Wen-sheng,ZHANG Lei, WANG Huan-ling(1. College of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471003, China ; 2. Liming Research Institute of Chemical Industry, Luoyang 471001,China) |
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| Abstract: | This essay detailedly studied the preparation technology of polyurethane microporous elastomer （PUME） as the cushion material used on the crane. It was found that the influence of chain extender （ethylene glycol） and blowing agent （dichloromethane） on the properties of PUME was very obvious. In order to obtain the PUME with Shore A60-80,density 0.55-0.65 g/cm^3,50% compression resume rate 〉 98 %, the optimum formulation of the preparation of PUME was determined, the optimum formulation was： polyether/EG mass ratio 92 ： 8, blowing agent （0.2 ±0. 04）% （based on polyol component）,trace catalyst,isocyanate index 1.05. |
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| Keywords: | polyurethane microporous elastomer chain extender blowing agent mechanical properties compression response rate |
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