PMID- 37836068
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20231030
IS  - 2073-4360 (Electronic)
IS  - 2073-4360 (Linking)
VI  - 15
IP  - 19
DP  - 2023 Oct 7
TI  - Investigation of the Gas Permeation Properties Using the Volumetric Analysis 
      Technique for Polyethylene Materials Enriched with Pure Gases under High 
      Pressure: H(2), He, N(2), O(2) and Ar.
LID - 10.3390/polym15194019 [doi]
LID - 4019
AB  - Polyethylene (PE) is widely used as a gas-sealing material in packing films and 
      gas transport pipes. A technique for evaluating the permeability of 
      water-insoluble gases has recently been developed. This technique is a volumetric 
      analysis that is used to calculate the gas permeability by measuring the gas 
      uptake and diffusivity. With this technique, we investigated the permeability of 
      pure gases, such as H(2), He, N(2), O(2) and Ar, enriched under high pressure up 
      to 9 MPa in low-density polyethylene (LDPE), ultrahigh molecular weight 
      polyethylene (UHMWPE) and high-density polyethylene (HDPE). The gas uptake showed 
      a linear pressure-dependent behavior that followed Henry's law, and the 
      diffusivity was independent of the pressure. Furthermore, the logarithmic 
      diffusivity values of the five gases linearly decreased as their molecular 
      kinetic diameters increased. The logarithmic solubility values linearly increased 
      as the critical temperatures of the gases increased. The calculated permeability 
      results were correlated with the volume fraction of the amorphous phase and the 
      fractional free volume. This result newly showed that the amorphous phase was 
      directly correlated to the fractional free volume.
FAU - Lee, Ji-Hun
AU  - Lee JH
AUID- ORCID: 0000-0002-8120-638X
AD  - Hydrogen Energy Materials Research Center, Korea Research Institute of Standards 
      and Science, Daejeon 34113, Republic of Korea.
AD  - Department of Measurement Science, University of Science and Technology, 217 
      Gajeong-ro, Yuseong-gu, Deajeon 34113, Republic of Korea.
FAU - Kim, Ye-Won
AU  - Kim YW
AUID- ORCID: 0009-0004-0184-7980
AD  - Hydrogen Energy Materials Research Center, Korea Research Institute of Standards 
      and Science, Daejeon 34113, Republic of Korea.
FAU - Jung, Jae-Kap
AU  - Jung JK
AUID- ORCID: 0000-0002-8472-7869
AD  - Hydrogen Energy Materials Research Center, Korea Research Institute of Standards 
      and Science, Daejeon 34113, Republic of Korea.
LA  - eng
GR  - KRISS-2023-GP2023-0007/Korea Research Institute of Standards and Science/
PT  - Journal Article
DEP - 20231007
PL  - Switzerland
TA  - Polymers (Basel)
JT  - Polymers
JID - 101545357
PMC - PMC10575446
OTO - NOTNLM
OT  - amorphous phase
OT  - fractional free volume
OT  - gas permeability
OT  - polyethylene
OT  - volumetric analysis technique
COIS- The authors declare no conflict of interest.
EDAT- 2023/10/14 10:47
MHDA- 2023/10/14 10:48
PMCR- 2023/10/07
CRDT- 2023/10/14 01:15
PHST- 2023/09/12 00:00 [received]
PHST- 2023/10/04 00:00 [revised]
PHST- 2023/10/05 00:00 [accepted]
PHST- 2023/10/14 10:48 [medline]
PHST- 2023/10/14 10:47 [pubmed]
PHST- 2023/10/14 01:15 [entrez]
PHST- 2023/10/07 00:00 [pmc-release]
AID - polym15194019 [pii]
AID - polymers-15-04019 [pii]
AID - 10.3390/polym15194019 [doi]
PST - epublish
SO  - Polymers (Basel). 2023 Oct 7;15(19):4019. doi: 10.3390/polym15194019.