泡沫注射成型过程中的塑化对长玻璃纤维增强聚丙烯的熔体粘度和纤维长度的影响

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

Journal of Polymer Engineering Pub Date : 2024-08-27 DOI:10.1515/polyeng-2024-0104

Christian Hopmann, Jan Wolters

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引用次数: 0

摘要

长玻璃纤维增强热塑性塑料在加工过程中，尤其是在塑化过程中，会造成严重的纤维损伤。通过使用发泡剂气氛恒定的热塑性泡沫注塑成型（FIM），可减少塑化过程中的纤维损伤。这一方面可归因于熔体粘度的降低，另一方面可归因于熔化行为的影响。因此，我们分析了 FIM 和工艺参数对纤维长度和纤维长度分布的影响，并与工艺参数对熔体粘度的影响进行了比较。

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Influence of plasticisation during foam injection moulding on the melt viscosity and fibre length of long glass fibre-reinforced polypropylene

The processing of long glass fibre-reinforced thermoplastics results in considerable fibre damage, particularly during plasticising. By using thermoplastic foam injection moulding (FIM) with a constant blowing agent atmosphere, fibre damage during plasticisation can be reduced. This can be attributed to the reduction of the melt viscosity on the one hand and the influence of the melting behaviour on the other. Therefore, the influence of the FIM and the process parameters on the fibre length and the fibre length distribution are analysed and compared with the influence of the process parameters on the melt viscosity.

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来源期刊

Journal of Polymer Engineering 工程技术-高分子科学

CiteScore

3.20

自引率

5.00%

发文量

审稿时长

2.5 months

期刊介绍： Journal of Polymer Engineering publishes reviews, original basic and applied research contributions as well as recent technological developments in polymer engineering. Polymer engineering is a strongly interdisciplinary field and papers published by the journal may span areas such as polymer physics, polymer processing and engineering of polymer-based materials and their applications. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes.