EJECTION OF TUBULAR POLYPROPYLENE MOULDINGS: THE INFLUENCE OF PROCESSING AND THE MOLECULAR WEIGHT

机译：管状聚丙烯模制品的喷射：加工的影响和分子量

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Polypropylene is used for the production of deep moldings of tubular shape. Predicting the required ejection force is a design issue for this type of moldings. Two polypropylenes of different molecular weights (melt flow indices) were used for producing tubular moldings in an instrumented mould. Experimental data on force and shrinkage was gathered and related for varying processing conditions.

机译：聚丙烯用于生产管状的深层模制品。预测所需的喷射力是这种类型的模制品的设计问题。使用不同分子量（熔体流动指数）的两个聚丙烯用于在仪表模具中产生管状模制品。收集有关力和收缩的实验数据，并与不同的加工条件相关。

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《Society of Plastics Engineers Annual Technical Conference》|2004年||共4页
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作者
A. J. Pontes; A. S. Pouzada;
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原文格式 PDF
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中图分类 TB322-53;
关键词
injection molding; shrinkage; ejection; polypropylene;

机译：注塑成型;收缩;弹射;聚丙烯;

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3. Influence of thermal treatments, molecular weight, and molecular weight distribution on the crystallization of beta-isotactic polypropylene [J] . Marigo A., Marega C., Causin V., Journal of Applied Polymer Science . 2004,第2期

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4. EJECTION OF TUBULAR POLYPROPYLENE MOULDINGS: THE INFLUENCE OF PROCESSING AND THE MOLECULAR WEIGHT [C] . A. J. Pontes, A. S. Pouzada ANTEC 2004 . 2004

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EJECTION OF TUBULAR POLYPROPYLENE MOULDINGS: THE INFLUENCE OF PROCESSING AND THE MOLECULAR WEIGHT

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