Study on Influence of Co-Injection Molding Process on Self-Reinforcing Characteristics of Self-Reinforced Polypropylene Composite via Visualization
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K.-Y. Jiang
, Y. Zhang , L. Yang and Y. Lu
Abstract
Self-reinforced polymer composites (SRCs), which are fabricated by combining the same type of polymer with different properties into one body, have high specific strength, no interfacial heterogeneity, and ease of recycling. To better understand the relationship between the molding process and mechanical properties of SRCs, the co-injection molding process was used in this study to process SRCs samples. Further, a self-developed visualized experimental device was used to observe the flow of the polymer melt directly during co-injection molding. From the visualization results, it was found that the tensile properties of SRCs are positively correlated with the absolute value of the slopes of the velocity change at lower melt temperature. When the melt temperature increases to a certain degree, the tensile properties of SRCs are much lower than that of lower melt temperature. The shear rate inside the melt flow and the shear rate between the melt and the matrix wall play a major role in the self-reinforcing characteristics of the SRC.
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Articles in the same Issue
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- Influence of Post-Treatment Media on Morphological Changes in Transient Macromolecules of Polymeric Fibers
- The Influence of Mechanical Recycling on Properties in Injection Molding of Fiber-Reinforced Polypropylene
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- Seikei Kakou Abstracts
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Articles in the same Issue
- Contents
- Contents
- Regular Contributed Articles
- Influence of Post-Treatment Media on Morphological Changes in Transient Macromolecules of Polymeric Fibers
- The Influence of Mechanical Recycling on Properties in Injection Molding of Fiber-Reinforced Polypropylene
- Study on Influence of Co-Injection Molding Process on Self-Reinforcing Characteristics of Self-Reinforced Polypropylene Composite via Visualization
- Influence of Ultrasonic Transducer Structural Parameters on the Frictional Plasticizing Heat Generation of Polymer Particles
- Influence of the Mold Temperature and Part Thickness on the Replication Quality and Molecular Orientation in Compression Injection Molding of Polystyrene
- Study of Bonding Formation between the Filaments of PLA in FFF Process
- Rheology and Extrusion Foaming of Partially Crosslinked Thermoplastic Vulcanizates Silicone
- Influence of Rubber Ratio and Crosslinking Agent on Mechanical Properties, Crystallization and Rheological Behaviors of EPDM/PP Thermoplastic Elastomer
- Effect of Annealing Temperature on PP Microporous Membranes Obtained by a Melt-Extrusion-Stretching Method
- PPS News
- PPS News
- Seikei Kakou Abstracts
- Seikei-Kakou Abstracts