Lee, CS Han, S Beag, YW Joo, JS Koh, SK 2024-01-21T09:05:25Z 2024-01-21T09:05:25Z 2022-01-25 2003-04 0021-8995 https://pubs.kist.re.kr/handle/201004/138660 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 x 10(14) to 1 x 10(17) ions /cm(2). The lowest static wetting angle of the irradiated PP without blowing oxygen gas was about 60degrees, but that of IAR-treated PP was less than 10degrees; 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. (C) 2003 Wiley Periodicals, Inc. English JOHN WILEY & SONS INC Improvement of adhesion between polyaniline and ion assisted-reaction-treated polypropylene Article 10.1002/app.11666 1 JOURNAL OF APPLIED POLYMER SCIENCE, v.88, no.2, pp.258 - 265 JOURNAL OF APPLIED POLYMER SCIENCE 88 2 258 265 N scie scopus 000181173500002 2-s2.0-0037432941 Polymer Science Polymer Science Article POLY(ETHYLENE-TEREPHTHALATE) FILMS O-2 ENVIRONMENT LASER-RADIATION SURFACE POLYMER PLASMA IRRADIATION WETTABILITY SILICA conjugated polymers poly(propylene) (PP) adhesion