Experimental study on influence of molding parameters on self-reinforcement characteristics of polymer co-injection molding
-
Yong Lu
,
Minjie Wang
Abstract
In this paper, self-reinforced samples with different mechanical properties were obtained by adjusting the molding parameters by co-injection molding technology, and the micro-morphology of these samples was observed. Then, using structured statistical methods, the analysis of variance and response surface methodology were used to study the effects of various molding variables on the morphology and properties of the materials, and to determine the most important molding variables and their interaction relationships. Finally, the associated experimental data were fitted by the least square minimization program, and the parameters in the fitting equation were dimensionless to obtain the correlative dimensionless equation. The purpose was to establish the mechanism model of the influence of the molding parameters on the co-injection self-reinforced sample and to objectively analyze its mechanism. It was found that the melt temperature is the most important factor affecting the morphology and mechanical properties. The highly oriented skin thickness is the most important factor in determining the tensile properties of the sample. The change in crystallinity is the most important factor in relation to the elastic modulus. Through the establishment of the relevant dimensionless equations, the theoretical study on the tensile strength and elastic modulus of the co-injection self-reinforced samples of the molding parameters was preliminarily realized.
Research funding: We would like to express our great thanks to National Natural Science Foundation of China (51475071, Funder Id: http://dx.doi.org/10.13039/501100001809).
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©2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Material properties
- The effect of unidirectional shear flow-induced orientation on foaming properties of polypropylene
- An investigation on electro-induced shape memory performances of CE/EP/CB/SCF composites applied for deployable structure
- Nanocomposite film with green synthesized TiO2 nanoparticles and hydrophobic polydimethylsiloxane polymer: synthesis, characterization, and antibacterial test
- Preparation and assembly
- Binary solvent systems for durable self-adhesive conductive hydrogels
- Development of surface properties of ultra-high-molecular-weight polyethylene film using side-chain crystalline block copolymers
- Highly porous, fast responding acrylamide hydrogels through emulsion polymerization using coconut oil
- Engineering and processing
- Multizone barrel temperature control of the eccentric rotor extrusion process
- The influence of mold temperature on thermoset in-mold forming
- Innovative γ rays irradiated styrene butadiene rubber/reclaimed waste tire rubber blends: a comparative study using mechano-chemical and microwave devulcanizing methods
- Experimental study on influence of molding parameters on self-reinforcement characteristics of polymer co-injection molding
Artikel in diesem Heft
- Frontmatter
- Material properties
- The effect of unidirectional shear flow-induced orientation on foaming properties of polypropylene
- An investigation on electro-induced shape memory performances of CE/EP/CB/SCF composites applied for deployable structure
- Nanocomposite film with green synthesized TiO2 nanoparticles and hydrophobic polydimethylsiloxane polymer: synthesis, characterization, and antibacterial test
- Preparation and assembly
- Binary solvent systems for durable self-adhesive conductive hydrogels
- Development of surface properties of ultra-high-molecular-weight polyethylene film using side-chain crystalline block copolymers
- Highly porous, fast responding acrylamide hydrogels through emulsion polymerization using coconut oil
- Engineering and processing
- Multizone barrel temperature control of the eccentric rotor extrusion process
- The influence of mold temperature on thermoset in-mold forming
- Innovative γ rays irradiated styrene butadiene rubber/reclaimed waste tire rubber blends: a comparative study using mechano-chemical and microwave devulcanizing methods
- Experimental study on influence of molding parameters on self-reinforcement characteristics of polymer co-injection molding
