| 农膜的薄型化与基础树脂的选择 |
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| 引用本文： | 秦立洁,崔海龙,陈虎生,遇长禄.农膜的薄型化与基础树脂的选择[J].塑料,2004,33(6):1-7. |
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| 作者姓名： | 秦立洁 崔海龙 陈虎生 遇长禄 |
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| 作者单位： | 北京华盾雪花塑料集团有限责任公司,北京,100070 |
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| 摘 要： | 阐述了农用聚乙烯功能膜的薄型化趋势。针对薄型化经常出现的"暴棚"现象,归纳了生产过程的关键技术。结合2004年春季对国内外10种低密度聚乙烯树脂进行农田应用试验的结果,着重分析了基础树脂化学结构对农膜耐老化性能的影响,提出了用于功能膜较好的树脂牌号。
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| 关 键 词： | 基础树脂 薄型化 关键技术 基础树脂化学结构 分子量与分子量分布 结晶度 可用于功能膜树脂牌号 |
| 文章编号： | 1001-9456(2004)06-0001-07 |
| 修稿时间： | 2004年8月24日 |
Thinning Tendency of Agricultural Film and Choice of Matrix Resin |
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| QIN Li-jie,CUI Hai-long,CHEN Hu-sheng,YU Chang-lu.Thinning Tendency of Agricultural Film and Choice of Matrix Resin[J].Plastics,2004,33(6):1-7. |
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| Authors: | QIN Li-jie CUI Hai-long CHEN Hu-sheng YU Chang-lu |
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| Abstract: | The thinning tendency of agricultural functional PE film is described.The key technology in processing is summarized in the light of the phenomenon of "greenhouse film break" often occured in thinner film. The effect of chemical structure of matrix resin on the weathering resistant property of agricultural film is mainly analysed based on the results of application tests in the fields in spring 2004 on 10 kinds of LDPE resin made at home and abroad and a list of better grades of resin for functional film is put forward. |
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| Keywords: | matrix resin thinning tendency key technology chemical structure of matrix resin molecular weight and molecular weight distribution crystallinity resin grade for functional film |
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