Improvement of adhesion between polyaniline and ion-assisted-reaction-treated polypropylene

Cheol Su Lee, Sung Han, Young Whoan Beag, Jinsoo Joo, Seok Keun Koh

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A nonwettable polypropylene (PP) surface was modified by an ion-assisted reaction (IAR) to improve its adhesion with a conjugated polymer, polyaniline (PAN). Hydrogen ions with energies ranging from 0.6 to 1 keV were irradiated on the PP surface in an oxygen gas environment. Ion doses were in the range 5 × 1014 to 1 × 1017 ions/cm2. The lowest static wetting angle of the irradiated PP without blowing oxygen gas was about 60°, but that of IAR-treated PP was less than 10°; the surface free energy of the modified PP was larger than 64 dyne/cm, and adhesion between PAN and PP passed the Scotch tape test. The main contribution to this improvement was the high concentration of hydrophilic groups on PP. Surface chemistry was investigated by X-ray photoelectron spectroscopy, and hydrophilic functional groups such as C-O, C=O, (C=O)-O were not washed with water. Surface morphology was observed with atomic force microscopy, and surface roughness changed from 8.30 to 20.8 nm after the treatment.

Original languageEnglish
Pages (from-to)258-265
Number of pages8
JournalJournal of Applied Polymer Science
Volume88
Issue number2
DOIs
Publication statusPublished - 2003 Apr 11

Fingerprint

Polypropylenes
Polyaniline
Adhesion
Ions
Gases
Oxygen
Conjugated polymers
Blow molding
polyaniline
Surface chemistry
Tapes
Functional groups
Free energy
Surface morphology
Wetting
Protons
Atomic force microscopy
X ray photoelectron spectroscopy
Surface roughness
Hydrogen

Keywords

  • Adhesion
  • Conjugated polymers
  • Poly(propylene) (PP)

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Improvement of adhesion between polyaniline and ion-assisted-reaction-treated polypropylene. / Lee, Cheol Su; Han, Sung; Beag, Young Whoan; Joo, Jinsoo; Koh, Seok Keun.

In: Journal of Applied Polymer Science, Vol. 88, No. 2, 11.04.2003, p. 258-265.

Research output: Contribution to journalArticle

Lee, Cheol Su ; Han, Sung ; Beag, Young Whoan ; Joo, Jinsoo ; Koh, Seok Keun. / Improvement of adhesion between polyaniline and ion-assisted-reaction-treated polypropylene. In: Journal of Applied Polymer Science. 2003 ; Vol. 88, No. 2. pp. 258-265.
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