| PP材料的发泡行为及表面质量 |
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| 引用本文： | 梅泽敏,何力,王伟,尹晓刚,龚维. PP材料的发泡行为及表面质量[J]. 工程塑料应用, 2017, 45(4). DOI: 10.3969/j.issn.1001-3539.2017.04.012 |
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| 作者姓名： | 梅泽敏 何力 王伟 尹晓刚 龚维 |
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| 作者单位： | 1. 贵州师范大学材料与建筑工程学院,贵阳,550025;2. 国家复合改性聚合物材料工程技术研究中心,贵阳,550014;3. 贵州师范大学材料与建筑工程学院,贵阳 550025;国家复合改性聚合物材料工程技术研究中心,贵阳 550014 |
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| 基金项目： | 大学生创新项目，贵州省科技创新人才团队项目，贵州省科技优秀人才项目 [(2015)29 号 ];贵州省"百"层次人才项目 [2016]5673 号 |
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| 摘 要： | 以聚丙烯(PP)为基体材料,通过注射成型法制备PP微发泡材料,结合热重分析、差示扫描量热分析及扫描电子显微镜观察等技术,研究了发泡剂KEE–25C,RAZ–70,NaHCO_3,PE–80对PP材料发泡行为及表面质量的影响。结果表明,不同发泡剂添加到PP中进行发泡,对材料的发泡行为及表面质量有显著的影响。当发泡剂为KEE–25C时,发泡材料的发泡行为较理想,泡孔直径最小,泡孔密度最大,分别为38.703μm,1.700 5×10~(16)个/cm~3;表面质量无明显气痕出现,呈现较光滑的表面。其他三种发泡剂添加到PP材料中,其发泡行为及表面质量较差。
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| 关 键 词： | 聚丙烯 发泡剂 发泡行为 表面质量 |
Foaming Behavior and Surface Quality of PP Materials |
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| Mei Zemin,He Li,Wang Wei,Yin Xiaogang,Gong Wei. Foaming Behavior and Surface Quality of PP Materials[J]. Engineering Plastics Application, 2017, 45(4). DOI: 10.3969/j.issn.1001-3539.2017.04.012 |
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| Authors: | Mei Zemin He Li Wang Wei Yin Xiaogang Gong Wei |
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| Abstract: | Micro-foaming polypropylene (PP) material was prepared by injection molding method,the effects of foaming agents such as KEE–25C,RAZ–70,NaHCO3,PE–80 on the foaming behavior and surface quality of PP was studied by TG, DSC and SEM technology. The results show that different foaming agents have obvious effect on the foaming behavior and the surface quality of PP foaming materials. When the foaming agent is KEE–25C,the foaming behavior of PP foaming materials is ideal,the cell diameter is the smallest,and the cell density is the highest,which is 38.703 μm and 1.7005×1016 number/cm3 respectively. There is no obvious gas mark on the surface quality of PP foaming materials. PP foaming materials using the other three foaming agents have poor foaming behavior and surface quality. |
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| Keywords: | polypropylene foaming agent foaming behavior surface quality |
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