The Effect of Blending Ratio on the Structure and Properties of the PPR/PS <italic style="font-style: italic">In situ</italic> Fiber Reinforced System Prepared by Multi-Flow Vibration Injection Molding

Yan-Jiang Li; Meng-Long Hu; Jun-Wen Zhang; Qiang Fu; Jie Zhang

doi:10.1007/s10118-024-3119-3

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The Effect of Blending Ratio on the Structure and Properties of the PPR/PS In situ Fiber Reinforced System Prepared by Multi-Flow Vibration Injection Molding

RESEARCH ARTICLE | Updated：2024-05-11

- The Effect of Blending Ratio on the Structure and Properties of the PPR/PS In situ Fiber Reinforced System Prepared by Multi-Flow Vibration Injection Molding
- Chinese Journal of Polymer Science Vol. 42, Issue 6, Pages: 851-863(2024)
- Affiliations：
  
  College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
- Author bio：
  
  zhangjie@scu.edu.cn
- Funds：
- DOI：10.1007/s10118-024-3119-3
  CLC：
- Published：1 June 2024，
  
  Published Online：8 April 2024，
  
  Received：3 January 2024，
  
  Revised：28 February 2024，
  
  Accepted：6 March 2024
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Li, Y. J.; Hu, M. L.; Zhang, J. W.; Fu, Q.; Zhang, J. The effect of blending ratio on the structure and properties of the PPR/PS in situ fiber reinforced system prepared by multi-flow vibration injection molding. Chinese J. Polym. Sci. 2024, 42, 851–863

Yan-Jiang Li, Meng-Long Hu, Jun-Wen Zhang, et al. The Effect of Blending Ratio on the Structure and Properties of the PPR/PS In situ Fiber Reinforced System Prepared by Multi-Flow Vibration Injection Molding. [J]. Chinese Journal of Polymer Science 42(6):851-863(2024)
Li, Y. J.; Hu, M. L.; Zhang, J. W.; Fu, Q.; Zhang, J. The effect of blending ratio on the structure and properties of the PPR/PS in situ fiber reinforced system prepared by multi-flow vibration injection molding. Chinese J. Polym. Sci. 2024, 42, 851–863 DOI： 10.1007/s10118-024-3119-3.

Yan-Jiang Li, Meng-Long Hu, Jun-Wen Zhang, et al. The Effect of Blending Ratio on the Structure and Properties of the PPR/PS In situ Fiber Reinforced System Prepared by Multi-Flow Vibration Injection Molding. [J]. Chinese Journal of Polymer Science 42(6):851-863(2024) DOI： 10.1007/s10118-024-3119-3.

摘要

To enhance the mechanical properties of PPR

PS was added to the PPR matrix. Then PPR/PS MFC with different blending ratios were prepared using MFVIM technology. The results indicated that V-20PS sample had a large number of shish-kebab and hybrid shish-kebab structures and the mechanical properties were significantly improved.

Abstract

To enhance the mechanical properties of polypropylene random copolymer (PPR)

polystyrene (PS) with four different contents were added to the PPR matrix through melt blending. Subsequently

using the Multi-Flow Vibration Injection Molding (MFVIM) technology

PPR/PS

in situ

microfiber composites (MFC) with different blending ratios were prepared. The results indicated that blending ratio had a great impact on the phase morphology and crystal structure of MFVIM samples

which was different from those of conventional injection molding (CIM) samples. PS ultrafine fibers could be formed under the shear field and could absorb the PPR molecular chains to form hybrid shish-kebab structures. Meanwhile

the PPR matrix co

uld also form shish-kebab structures under the effect of strong shear. When the PS content reached 20%

under the combined action of PS

in situ

microfibers and highly oriented crystal structure

the tensile strength and Young's modulus of the sample were obviously improved and the impact strength remained at a relatively high level. So a strong and tough balanced PPR based material was obtained. These results provide valuable insights for expanding the industrial and daily-life applications of PPR and show promising development prospects.

关键词

Keywords

PPRMFVIMIn situ microfibersShear fieldHybrid shish-kebab structures

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The Effect of Blending Ratio on the Structure and Properties of the PPR/PS In situ Fiber Reinforced System Prepared by Multi-Flow Vibration Injection Molding

DOI：10.1007/s10118-024-3119-3

摘要

Abstract

关键词

Keywords

references