The diagnosis of plasmas used in the processing of textiles and other materials

Bradley, James W.; Bryant, Paul M.

doi:10.1533/9781845692575.1.25

Cited by 4 publications

(2 citation statements)

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“…These spectrograms indicate the occurrence of two types of radiation: continuous (emitted with the inhibition of free electrons in plasma) and linear radiation (emitted with electrons passing between discrete levels of energy in atoms, molecules, and ions). The linear radiation carries information about plasma parameters: composition, concentration and temperature of electrons, and chemical species 38. The intensity of the spectral line of a specified plasma chemical species depends directly on concentration 38.…”

Section: Resultsmentioning

confidence: 99%

“…The linear radiation carries information about plasma parameters: composition, concentration and temperature of electrons, and chemical species 38. The intensity of the spectral line of a specified plasma chemical species depends directly on concentration 38. In this study, the identification of species was limited to the use of spectral lines and a comparative analysis of intensity of these lines, while the spectra were not calibrated 36…”

Section: Resultsmentioning

confidence: 99%

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Pretreatment of polypropylene films for following technological processes, part 2: The use of low temperature plasma method

Urbaniak–Domagała

2011

J of Applied Polymer Sci

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The surface of polypropylene (PP) films was activated by RF plasma method with the use different gases: argon, air, water vapor, and acetic acid vapor. Plasma was diagnosed based on spectra emitted by gas plasma using the method of optical emission spectroscopy. The effectiveness of these processing gases during plasma treatment was analyzed. The effects of PP activation were assessed with the use of IR-ATR absorption spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy, and the analy-sis of the surface free energy components based on liquid contact angle. The activation of PP surface by plasma treatment resulted in the increased energy of PP surface layer to the extent being dependent on the type of processing gases and in the formation of new chemical groups on it.

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Section: Resultsmentioning

confidence: 99%