Improvement of gas barrier property of polyolefins by diamond-like carbon deposition and photografting polymerization

Jun Takahashi, Masaki Nakaya, Eitaro Matsui, Atsushi Hotta

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The gas barrier properties of isotactic polypropylene (iPP) and high-density polyethylene (HDPE) are both significantly improved by diamond-like carbon (DLC) deposition and photografting polymerization using acrylic acid (AA) monomers. In fact, the gas barrier properties can be highly improved just by DLC or by AA-photografting polymerization. The improvement observed by AA-photografting polymerization is more pronounced than that by DLC deposition in our general experimental condition. In more detail, the oxygen barrier property of DLC-deposited and AA-grafted iPP is considerably improved by ∼10 times when compared with that of neat iPP. As for HDPE, the oxygen barrier property is enhanced by nearly six times through DLC deposition and photografting polymerization. By observing the surfaces, 30 nm layer of DLC and 1.0 μm of AA-grafted layer are firmly constructed on the polyolefins, which should contribute to the enhancement of the oxygen barrier property.

Original languageEnglish
Pages (from-to)2591-2597
Number of pages7
JournalJournal of Applied Polymer Science
Volume129
Issue number5
DOIs
Publication statusPublished - 2013 Sep 5

Fingerprint

Diamond
Polyolefins
Diamonds
Carbon
Gases
Acrylics
Polymerization
Polypropylenes
Acids
Polyethylene
High density polyethylenes
Oxygen
PL 732
Monomers
acrylic acid

Keywords

  • coatings
  • functionalization of polymers
  • grafting
  • polyolefins
  • surfaces and interfaces

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Improvement of gas barrier property of polyolefins by diamond-like carbon deposition and photografting polymerization. / Takahashi, Jun; Nakaya, Masaki; Matsui, Eitaro; Hotta, Atsushi.

In: Journal of Applied Polymer Science, Vol. 129, No. 5, 05.09.2013, p. 2591-2597.

Research output: Contribution to journalArticle

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