Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
권호 표지
DOI QR코드

DOI QR Code

Development of High-strength Polyethylene Terephthalate (PET) Sheet Through Low Melting Point Binder Compounding and Compression Process

저 융점 바인더 복합화 및 압착공정을 통한 고강도 폴리에틸렌 테레프탈레이트(PET) 시트 개발

  • Moon, Jai Joung (Advanced Materials Research Institute for BIN Convergence Technology & Department of BIN Convergence Technology, Jeonbuk National University) ;
  • Park, Ok-Kyung (Carbon Nano Convergence Technology Center for Next Generation Engineers (CNN), Jeonbuk National University) ;
  • Kim, Nam Hoon (Department of Nano Convergence Engineering, Jeonbuk National University)
  • Received : 2020.08.26
  • Accepted : 2020.09.11
  • Published : 2020.10.31
Download PDF
⟨ Previous Next ⟩

Abstract

In the present study, a high-strength polyethylene terephthalate (PET) sheet was fabricated through a densification process of low melting PET fiber (LMF) combined PET sheet. During the thermal heat treatment process of the combined LMF, individual PET fiber was connected, which in turn leads to the improvement of the interfacial bonding force between the fibers. Also, the densification of the PET sheet leads to reduce macrospore density and in return could enhance the binding force between the overlapped PET networks. Consequently, the asprepared LMF-PET sheet showed about 410% improved tensile strength and the same elongation compared to before compression. Besides, the enhanced bonding force can prevent the shrinkage of the PET fiber network and exhibited excellent dimensional stability.

본 연구에서는 저 융점 폴리에틸렌 테레프탈레이트(PET) 섬유(Low melting PET fiber: LMF)가 복합화된 PET 시트의 고밀도화 공정을 통해 고강도 PET 시트를 제조하였다. 복합화된 LMF는 열처리 과정에서 용융되어 개개의 PET 섬유를 연결해 섬유간의 계면결합력을 향상시켰다. 또한 PET시트의 고밀도화는 거대기공밀도를 감소시키고 중첩된 PET 네트워크간의 결합력을 향상시켜 결과적으로 압축 전 LMF-PET 시트와 비교하여 연신율은 유지하면서 약 410% 향상된 인장강도를 보여주었다. 또한 강화된 결합력은 PET 섬유 네트워크의 수축을 방지하여 우수한 치수안정성을 나타내었다.

Keywords

References

  1. Baek, Y.-M., Shin, P.-S., Kim, J.-H., Park, H.-S., Kwon, D.-J., and Park, J-M., "Comparison of Mechanical and Interfacial Properties of Carbon Fiber Reinforced Recycled PET Composites with Thermoforming Temperature and Time," Composites Research, Vol. 30, No. 3, 2017, pp. 175-180. https://doi.org/10.7234/composres.2017.30.3.175
  2. Sun, S., Wang, L., Song, P., Ding, L., and Bai, Y., "Facile Fabrication of Hydrolysis Resistant Phosphite Antioxidants for High-performance Optical PET films Via in situ Incorporation," Chemical Engineering Journal, Vol. 328, No. 15, 2017, pp. 406-416. https://doi.org/10.1016/j.cej.2017.07.070
  3. Choi, S.H., and Yoon, S.H., "Prediction of Long-term Viscoelastic Performance of PET Film Using RH-DMA," Composites Research, Vol. 32, No. 6, 2019, pp. 382-387.
  4. Mallakpour, S., and Behranvand, V., "Recycled PET/MWCNTZnO Quantum Dot Nanocomposites: Adsorption of Cd(II) ion, Morphology, Thermal and Electrical Conductivity Properties," Chemical Engineering Journal, Vol. 313, No. 1, 2017, pp. 873-881. https://doi.org/10.1016/j.cej.2016.10.129
  5. Lee, J.G., Park, S.H., and Kim, S.H., "Investigation of Properties of the PET Film Dependent on the Biaxial Stretching," Polymer(Korea), Vol. 34, No. 6, 2010, pp. 579-587.
  6. Joshi, A.S., Lawrence, J.G., and Coleman, M.R., "Effect of Biaxial Orientation on Microstructure and Properties of Renewable Copolymers of Poly(ethylene terephthalate) with 2,5-Furandicaboxylic Acid for Packing Application," ACS Applied Polymer Materials, Vol. 1, No. 7, 2019, pp. 1798-1810. https://doi.org/10.1021/acsapm.9b00330
  7. Yoshida, H., "Influence of Voids on the Interlaminar Shear Strength of Carbon Fiber Reinforced Plastics," Advanced Composite Materials, Vol. 3, No. 2, 1993, pp. 113-122. https://doi.org/10.1163/156855193X00115
  8. Han, S.-H., Lee, J.-W., Kim, J.-S., Kim, Y.-M., Kim, W.-D., and Um, M.-K., "A Study on Manufacturing Method of Standard Void Specimens for Non-destructive Testing in RFI Process and Effect of Void on Mechanical Properties," Composites Research, Vol. 32, No. 6, 2019, pp. 395-402.
  9. Saenz-Castillo, D., Martin, M.I., Calvo, S., Rodriguez-Lence, F., and Guemes, A., "Effect of Processing Parameters and Void content on Mechanical Properties and NDI of Thermoplastic Composites," Composites Part A: Applied Science and Manufacturing, Vol. 121, 2019, pp. 308-320. https://doi.org/10.1016/j.compositesa.2019.03.035
  10. Zekriardehani, S., Jabarin, S.A., Gidley, D.R., and Coleman, M.R., "Effect of Chain Dynamics, Crystallinity, and Free Volume on the Barrier Properties of Poly(ethylene terephthalate) Biaxially Oriented Films," Macromolecules, Vol. 50, No. 7, 2017, pp. 2845-2855. https://doi.org/10.1021/acs.macromol.7b00198
  11. Liu, X., Guo, R., Shi, Y., Deng, L., and Li, Y., "Durable, Washable, and Flexible Conductive PET Fabrics Designed by Fiber Interfacial Molecular Engineering," Macromolecular Materials and Engineering, Vol. 301, No. 11, 2016, pp. 1383-1389. https://doi.org/10.1002/mame.201600234
  12. Sharma, S.K., and Misra, A., "The Effect of Stretching Conditions on Properties of Amorphous Polyethylene Terephthalate Film," Journal of Applied Polymer Science, Vol. 34, No. 6, 1987, pp. 2231-2247. https://doi.org/10.1002/app.1987.070340615
  13. Rodriguez, A.G., Munoz-Tabares, J.A., Aguilar-Guzman, J.C., and Vazquez-Duhalt, R., "A Novel and Simple Method for Polyethylene Terephthalate (PET) Nanoparticle Production," Environmental Science: Nano, Vol. 6, No. 7, 2019, pp. 2031-2036. https://doi.org/10.1039/C9EN00365G
  14. Crippa, M., and Morico, B., "Chapter 12-PET Depolymerization: A Novel Process for Plastic Waste Chemical Recycling" Studies in Surface Science and Catalysis, Vol. 179, 2019, pp. 215-229. https://doi.org/10.1016/B978-0-444-64337-7.00012-4
  15. Moon, J.J., Park, O.-K., and Lee, J.H., "Development of Hybrid Metals Coated Carbon Fibers for High-Efficient Electomagnetic Interference Shielding," Composites Research, Vol. 33, No. 4, 2020, pp. 191-197.
  16. Zhang, Y., Tao, W., Zhang, Y., Tang, L., Gu, J., and Jiang, Z., "Continuous Carbon Fiber/Crosslinkable Poly(ether ether ketone) Laminated Composites, Robust Solvent Resistance and Excellent Thermal Stability," Composites Science and Technology, Vol. 165, No. 8, 2018, pp. 148-153. https://doi.org/10.1016/j.compscitech.2018.06.020
  17. Park, O.-K., and Lee, J.H., "Carbon Nanotube-Poly(vinyl alcohol) Hybrid Aerogels: Improvements in the Surface Area and Structural Stability by Internal Morphology Control," Composites Part B: Engineering, Vol. 144, 2018, pp. 229-236. https://doi.org/10.1016/j.compositesb.2018.02.034
  18. Han, K.H., Jang, M.G., Juhn, K.J., Cho, C., and Kim, W.N., "The Effects of Compatibilizers on the Morphological, Mechanical, and Optical Properties of Biaxially Oriented Poly(ethylene ertephtahlate)/Syndiotactic Polystryene Blend Films," Macromolecular Research, Vol. 26, No. 3, 2018, pp. 254-262. https://doi.org/10.1007/s13233-018-6039-7
  19. Kim, N.H., Kuila, T., and Lee, J.H., "Enhanced Mechanical Properties of a Multiwall Carbon Nanotube Attached Prestitched Graphene Oxide Filled Linear Low Density Polyethylene Composite," Journal of Materials Chemistry A, Vol. 2, No. 8, 2014, pp. 2681-2689. https://doi.org/10.1039/C3TA14393G
  20. Kuila, T., Bhadra, S., Yao, D., Kim, NH., Bose, S., and Lee, J.H., "Resent Advances in Graphene based Polymer Composites," Progress in Polymer Science, Vol. 35, No. 11, 2010, pp. 1350-1375. https://doi.org/10.1016/j.progpolymsci.2010.07.005
  21. Park, O.-K., Hwang, J.-Y., Goh, M., Lee, J.H., Ku, B.-C., and You, N.H., "Mechanically Strong and Multifunctional Polyimide Nanocomposites using Aminophenyl Functionalized Graphene Nanosheets," Macromolecules, Vol. 46, No. 9, 2013, pp. 3505-3511. https://doi.org/10.1021/ma400185j