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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 9/2022

01.09.2022 | Original Paper

Visual observation and Numerical Studies of bubble formation of polypropylene chemical foaming system in the different injection foaming environment

verfasst von: Rong Deng, Tuanhui Jiang, Bujin Liu, Jingkui Yang, Xiangbu Zeng, Shengnan Li, Wei Gong, Chun Zhang, Li He

Erschienen in: Journal of Polymer Research | Ausgabe 9/2022

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Abstract

In this paper, polypropylene (PP) and chemical foaming agent (AC) were taken as the research objects, and the influence of different injection molding foaming environment on the bubble formation process was studied by using the visualization device. And the mathematical model formula was used to fit the curve of bubble number (N) with time (t) in the foaming process. Among them, the change of injection temperature and foaming agent content only changed the bubble formation rate and the final bubble number. With the increase of injection temperature, the foaming agent decomposed in advance in the barrel. The change of injection pressure had the most obvious effect on the nucleation process. Through the nonlinear fitting of N-t curves under different foaming environments, the correlation coefficient R2 was always greater than 0.98, indicating that the process of foaming nucleation could be described intuitively through the mathematical model.
Vorheriger Artikel Rearrangements in macromolecules containing an azomethyne bond
Nächster Artikel Development of hydroxyapatite from cuttlebone and gelatin-based hydrogel composite for medical materials

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Metadaten
Titel
Visual observation and Numerical Studies of bubble formation of polypropylene chemical foaming system in the different injection foaming environment
verfasst von
Rong Deng
Tuanhui Jiang
Bujin Liu
Jingkui Yang
Xiangbu Zeng
Shengnan Li
Wei Gong
Chun Zhang
Li He
Publikationsdatum
01.09.2022
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 9/2022
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-022-03183-3

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