| 三层共挤聚烯烃热收缩薄膜的时延效应 |
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| 引用本文： | 温绍国,周持兴,梁志明,王松尧.三层共挤聚烯烃热收缩薄膜的时延效应[J].高分子材料科学与工程,2002,18(6):190-192. |
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| 作者姓名： | 温绍国 周持兴 梁志明 王松尧 |
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| 作者单位： | 1. 上海交通大学高分子材料研究所,上海,200240
2. 浙江绍兴富陵塑料制品有限公司,浙江,绍兴,312075 |
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| 摘 要： | 考察了储存时间对聚烯烃热收缩薄膜（POSF）综合性能的影响，研究发现，随储存时间增加，（1）POSF的热收缩速率（vSR)递减，但热收缩率（SR）基本不变；（2）摩擦系数（COF）历经迅速降低后缓慢增加，直至稳定。文中首次定义了热收缩速率。
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| 关 键 词： | 三层共挤 聚烯烃 热收缩膜 收缩率 收缩速率 摩擦系数 时延效应 |
| 文章编号： | 1000-7555(2002)06-0190-03 |
| 修稿时间： | 2001年1月25日 |
INFLUENCE OF KEEP TIME ON CHARACTERISTICS OF CO-EXTRUSION POLYOLEFINE SHRINK FILM |
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| WEN Shao-guo ,ZHOU Chi-xing ,LIANG Zhi-ming ,WANG Song-rao.INFLUENCE OF KEEP TIME ON CHARACTERISTICS OF CO-EXTRUSION POLYOLEFINE SHRINK FILM[J].Polymer Materials Science & Engineering,2002,18(6):190-192. |
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| Authors: | WEN Shao-guo ZHOU Chi-xing LIANG Zhi-ming WANG Song-rao |
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| Affiliation: | WEN Shao-guo 1,ZHOU Chi-xing 1,LIANG Zhi-ming 1,WANG Song-rao 2 |
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| Abstract: | The characteristics of co-extrusion polyolefine shrink film(POSF) was studied. It is found that, with the keep time is increase, the shrink ratio is changed little, however, the shrink rate is decreased smoothly. The coefficient of friction of POSF is decreased speedily first and then increased smoothly. The deference of characteristics between in MD and TD is smaller and smaller with the keep time increased. The shrink rate v SR was defined for the first time in the paper. |
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| Keywords: | PO shrink film shrink ratio shrink rate coefficient of friction keep time on characteristics |
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