| 端异氰酸酯基PU增稠端羟基不饱和聚酯SMC的研究 |
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| 引用本文： | 赵大伟,刘义红,张玉军,刘立柱. 端异氰酸酯基PU增稠端羟基不饱和聚酯SMC的研究[J]. 纤维复合材料, 2003, 20(2): 20-22 |
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| 作者姓名： | 赵大伟 刘义红 张玉军 刘立柱 |
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| 作者单位： | 1. 哈尔滨理工大学,150040
2. 上海欧亚合成材料有限公司,201102 |
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| 基金项目： | 黑龙江省教育厅科学技术研究项目资助 ( 10 5 1110 4) |
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| 摘 要： | 本文以端异氰酸酯基聚氨酯(PU)预聚物为增稠剂对端羟基不饱和聚酯树脂(UPR)进行增稠，通过红外分析和相容性测试对增稠机理进行了研究，在此基础上制备出以PU增稠端羟基不饱和聚酯的片状模塑料(UPR／PU—SMC)，并对其力学性能进行测试。结果表明：PU预聚物的-NCO基与UP树脂上的羟基反应形成高分子量的线形氮基甲酸酯结构而增稠，随着WPU值变化，PU与UPR的相容性有较大变化，而当WPU=36％时，UPR—PU—SMC的各项力学性能都能达到较高值。
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| 关 键 词： | 端异氰酸酯基 PU 增稠 端羟基 不饱和聚酯 SMC |
A Study of SMC of Hydroxyl-Terminated Unsaturated Polyester Thickened by Polyurethane Terminated with NCO Groups |
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| Zhao Dawei Liu Yihong Zhang Yujun Liu Lizhu. A Study of SMC of Hydroxyl-Terminated Unsaturated Polyester Thickened by Polyurethane Terminated with NCO Groups[J]. Fiber Composites, 2003, 20(2): 20-22 |
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| Authors: | Zhao Dawei Liu Yihong Zhang Yujun Liu Lizhu |
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| Affiliation: | Zhao Dawei 1 Liu Yihong 2 Zhang Yujun 1 Liu Lizhu 1 |
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| Abstract: | The hydroxyl-terminated unsaturated polyester resin (UPR) was thickened by the polyurethane (PU) prepolymer terminated with NCO groups.By means of the infrared spectrum and measurement of compatibility,the thickening mechanisms have been studied.Then sheet moulding compounds of UPR/PU (UPR/PU-SMC) were prepared for mechanical properties measurement.The results show that the high molecular linear carbamate was formed during the reaction of the-NCO of PU and-OH of UPR,resulting in thickening,the compatibility of UPR and PU varies with the amount of PU,but compositive mechanical properties of UPR/PU-SMC is excellent when W PU is 36%. |
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| Keywords: | SMC unsaturated polyester polyurethane thickening |
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