| 酚醛-三聚氰胺聚合物改性聚醚多元醇用于聚氨酯硬泡的性能研究 |
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| 引用本文： | 杨玉才,罗钟瑜,修玉英.酚醛-三聚氰胺聚合物改性聚醚多元醇用于聚氨酯硬泡的性能研究[J].聚氨酯工业,2009,24(6). |
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| 作者姓名： | 杨玉才 罗钟瑜 修玉英 |
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| 作者单位： | 华南理工大学材料研究所,广州,510640 |
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| 摘 要： | 用酚醛-三聚氰胺聚合物改性的聚醚多元醇(PFMP-Polyol)制备硬质聚氨酯泡沫,考察了PFMP-Polyol的用量对泡沫的发泡性能、物理机械性能的影响。结果表明,在HCFC-141b发泡体系中,PFMP-Polyol的加入可提高发泡反应速度,使泡沫泡孔细腻、均匀,泡沫的压缩强度、尺寸稳定性均有明显的提高;用于环戊烷发泡体系中,当PFMP-Polyol的质量分数占聚醚多元醇的30%、模压泡密度在34.2 kg/m~3,压缩强度(水平方向)为254.2 kP,导热系数可降低至20.8 mW/(m·K)。
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| 关 键 词： | 酚醛-三聚氰胺基聚合物 聚氨酯硬泡 压缩强度 导热系数 |
Properties of Rigid Polyurethane Foam Prepared from Polyether Polyols Modified by Phenolic-Melamine Polymer |
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| Yang Yucai,Luo Zhongyu,Xiu Yuying.Properties of Rigid Polyurethane Foam Prepared from Polyether Polyols Modified by Phenolic-Melamine Polymer[J].Polyurethane Industry,2009,24(6). |
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| Authors: | Yang Yucai Luo Zhongyu Xiu Yuying |
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| Affiliation: | Yang Yucai Luo Zhongyu Xiu Yuying (Materials Science Institute; South China University of Technology; Guangzhou 510641; China); |
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| Abstract: | The rigid polyurethane foams(RPUF) were successfully prepared from the polyether polyols modified by phenolic-melamine polymer(PFMP-Polyol).The influences of the PFMP-Polyol dosage on foaming,mechanical properties of RPUF were explored.The results showed that the reactivity of rigid foam system in the HCFC-141b foaming system was enhanced,finer and uniform foam cells were produced and the compressive strength,dimensional stability were increased significantly by the adding of PFMP-Polyol.In the foaming syst... |
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| Keywords: | phenolic-melamine modified polymer rigid polyurethane foam compressive strength thermal conductivity coefficient |
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