| 纳米CaSO_4晶须改性聚氨酯密封胶的制备 |
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| 引用本文： | 白金,苗磊,张洪林,张连红.纳米CaSO_4晶须改性聚氨酯密封胶的制备[J].中国胶粘剂,2007,16(7):41-43. |
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| 作者姓名： | 白金 苗磊 张洪林 张连红 |
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| 作者单位： | 辽宁石油化工大学环境工程系,辽宁,抚顺,113001 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 通过三种聚醚制成的密封胶进行对比,具体考察了CaSO4晶须对密封胶力学性能的影响。结果表明,在单组分湿固化聚氨酯密封胶中添加纳米CaSO4晶须后,密封胶的剪切强度得到提高,硬度和弹性变化不大。使用CaSO4晶须替代气相二氧化硅,在降低成本的同时,密封胶的触变性仍然很好。
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| 关 键 词： | 聚氨酯密封胶 纳米CaSO4晶须 改性 |
| 文章编号： | 1004-2849（2007）07-0041-03 |
| 修稿时间： | 2007-04-162007-05-08 |
Preparation of polyurethane sealant modified by nano-calcium sulfate whisker |
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| BAI Jin,MIAO Lei,ZHANG Hong-lin,ZHANG Lian-hong.Preparation of polyurethane sealant modified by nano-calcium sulfate whisker[J].China Adhesives,2007,16(7):41-43. |
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| Authors: | BAI Jin MIAO Lei ZHANG Hong-lin ZHANG Lian-hong |
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| Abstract: | By three sealants made of different polyether were compared,the influence of nano-calcium sulfate whisker to the mechanical properties of sealants were reviewed.The results showed that added CaSO4 whisker into one component,moisture-curing PU sealant,its shear strength is improved,while the hardness and ultimate elongation are changed little.When CaSO4 whisker substitutes silicon dioxide in PU sealant,the no-sagging property of the sealant is good enough and the cost decline. |
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| Keywords: | polyurethane sealant nano-calcium sulfate whisker modification |
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