| 提高聚丙烯熔体强度的研究进展 |
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| 引用本文： | 林剑英,张华集,张雯. 提高聚丙烯熔体强度的研究进展[J]. 高分子通报, 2010, 0(1) |
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| 作者姓名： | 林剑英 张华集 张雯 |
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| 作者单位： | 福建师范大学化学与材料学院,福州,350007 |
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| 基金项目： | 福建省科技厅重点项目资助(2006H0019);;福建省人事厅闽台人才合作项目(2008);;福建省科技厅重点项目资助(2009H0017);; |
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| 摘 要： | 熔融状态下聚丙烯的熔体强度对其发泡效果有着举足轻重的作用,高熔体强度有利于聚丙烯的热成型,从而得到优质的发泡材料。本文综述了聚丙烯泡沫塑料的特点、性能及聚丙烯熔体强度较低对发泡过程的影响,分别从共混改性法、交联改性法、填充改性法这三种提高聚丙烯发泡性能的途径上对目前国内外致力于聚丙烯熔体强度的研究进展进行了重点介绍,指出聚丙烯化学交联改性与共混改性、共聚改性等方法并用乃是改善聚丙烯发泡性能的重点及热点。
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| 关 键 词： | 熔体强度 聚丙烯 发泡 共混 交联 |
Research Development in Improving Melt Strength of Polypropylene |
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| LIN Jian-ying,ZHANG Hua-ji,ZHANG Wen. Research Development in Improving Melt Strength of Polypropylene[J]. Polymer Bulletin, 2010, 0(1) |
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| Authors: | LIN Jian-ying ZHANG Hua-ji ZHANG Wen |
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| Affiliation: | College of Chemistry and Materials Science;Fujian Normal University;Fuzhou 350007;China |
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| Abstract: | Melt strength of polypropylene holds the key of foaming effect,in the melt state,high melt strength will be propitious to thermal moulding,and accordingly foamed materials with excellence quality and property were obtained.The characteristics and properties of foamed PP materials and the influent of low melt strength on PP foaming process were summarized.Base on three methods of improving the foaming character of polypropylene includes blending,crosslinking and filling modification,the developing research o... |
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| Keywords: | High melt strength Polypropylene Foaming Blending Crosslinking |
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