Investigation of Dow Cyclotene 4026 surface amination by downstream plasma treatment

Lijiang Wang, Gregory Raupp

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Dow Cyclotene 4026 surfaces were treated by downstream ammonia cold plasma with and without argon plasma pretreatments. The modified polymer surfaces were characterized by X-ray photoelectron spectroscopy, Fourier transform infrared-attenuated total reflection, and atomic force microscopy (AFM). A 2 IV 4-1 fractional factorial design was developed to identify the optimal processing parameters. Further experimental investigation has also been conducted to optimize the operating conditions. The combined results show that the extent of surface amination of Cyclotene grows with increase of power, pressure, and temperature of ammonia plasma treatments both with and without argon plasma pretreatments. For the treatment time effect, the results indicate that N/C (nitrogen/carbon) ratios increase with time and then start to slightly decrease at the ∼4-min point, which may be tentatively explained by a competition between the modification process and the degradation process on the polymer surfaces. AFM results suggest that the upper limit of the operating condition to obtain a desirable surface topography is 175°C. Based on all the results from Design of Experiment, experimental data, and AFM analysis, the optimum processing parameters have been suggested. Finally, the aging effect of aminated surfaces is discussed; further investigation of this effect is still underway.

Original languageEnglish (US)
Pages (from-to)2418-2427
Number of pages10
JournalJournal of Applied Polymer Science
Volume97
Issue number6
DOIs
StatePublished - Sep 15 2005

Fingerprint

Amination
Plasmas
Atomic force microscopy
Argon
Ammonia
Polymers
Plasma Gases
Surface topography
Processing
Design of experiments
Fourier transforms
Nitrogen
Carbon
X ray photoelectron spectroscopy
Aging of materials
cyclotene
Infrared radiation
Degradation

Keywords

  • Aging
  • Atomic force microscopy (AFM)
  • Cold plasma
  • Cyclotene
  • Surface amination

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Investigation of Dow Cyclotene 4026 surface amination by downstream plasma treatment. / Wang, Lijiang; Raupp, Gregory.

In: Journal of Applied Polymer Science, Vol. 97, No. 6, 15.09.2005, p. 2418-2427.

Research output: Contribution to journalArticle

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