Influence of Diamond-Like Carbon Coating on the Channel Deformation of Injection-Molded Microfluidic Chips during the Demolding Process
Abstract
:1. Introduction
2. Materials and Methods
2.1. Polymer Model Construction
2.2. Mold Models Construction
2.3. Intermolecular Interaction Potential
2.4. Simulation Procedure
3. Results and Discussions
3.1. Simulation of the Demolding Process
3.2. Non-bonded Interfacial Interaction Energy
3.3. Elastic Recovery
3.4. Radius of Gyration
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Polymer | Polymerization Degree | Initial Temperature (K) | Total Number of Chains | Density (g/cm3) | Annealing Temperature (K) | Annealing Time (fs) |
---|---|---|---|---|---|---|
PS | 20 | 300 | 75 | 1.05 | 570 | 500 |
COC | 20 | 300 | 75 | 1.02 | 553 | 500 |
PC | 20 | 300 | 37 | 1.20 | 570 | 500 |
PMMA | 20 | 300 | 75 | 1.18 | 500 | 500 |
Mold-Polymer Structure | Wb (nm) | Wd (nm) | Change in the Elastic Recovery (nm) |
---|---|---|---|
Ni-PS | 5.00 | 5.25 | 0.25 |
Ni-PMMA | 4.70 | 5.00 | 0.30 |
Ni-COC | 4.75 | 5.15 | 0.40 |
Ni-PC | 4.75 | 5.00 | 0.25 |
DLC-PS | 5.00 | 5.75 | 0.75 |
DLC-PMMA | 4.70 | 5.50 | 0.80 |
DLC-COC | 4.75 | 5.50 | 0.75 |
DLC-PC | 4.75 | 5.55 | 0.80 |
Mold-Polymer Structure | Before Demolding (nm) | After Demolding (nm) | Change in the Gyration Radius (nm) |
---|---|---|---|
Ni-PS | 3.84 | 4.01 | 0.17 |
Ni-PMMA | 3.80 | 3.94 | 0.14 |
Ni-COC | 3.80 | 4.04 | 0.24 |
Ni-PC | 4.23 | 4.43 | 0.20 |
DLC-PS | 4.16 | 4.25 | 0.09 |
DLC-PMMA | 4.13 | 4.20 | 0.06 |
DLC-COC | 4.22 | 4.29 | 0.07 |
DLC-PC | 4.57 | 4.66 | 0.09 |
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Wang, Y.; Jiang, B.; Zhou, M.; Chen, J.; Weng, C. Influence of Diamond-Like Carbon Coating on the Channel Deformation of Injection-Molded Microfluidic Chips during the Demolding Process. Polymers 2020, 12, 2914. https://doi.org/10.3390/polym12122914
Wang Y, Jiang B, Zhou M, Chen J, Weng C. Influence of Diamond-Like Carbon Coating on the Channel Deformation of Injection-Molded Microfluidic Chips during the Demolding Process. Polymers. 2020; 12(12):2914. https://doi.org/10.3390/polym12122914
Chicago/Turabian StyleWang, Yilei, Bingyan Jiang, Mingyong Zhou, Jiachen Chen, and Can Weng. 2020. "Influence of Diamond-Like Carbon Coating on the Channel Deformation of Injection-Molded Microfluidic Chips during the Demolding Process" Polymers 12, no. 12: 2914. https://doi.org/10.3390/polym12122914