Timesaving Washing of Textiles Utilizing 38 kHz Ultrasound
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Abstract
From the viewpoints of prevention of garment damage as well as saving of electric energy and processing time in laundering, the possibility of time reduction by applying ultrasound has been discussed. The shake washing of polyester and cotton fabrics soiled with model oily and/or particulate contaminants together with their original fabrics was performed in an aqueous sodium dodecyl sulfate solution (SDS) without and with ultrasound. The soil removal and redeposition were evaluated from the change in the Kubelka-Munk function of the soiled and non-soiled fabric surfaces due to the washing. In the presence of ultrasound, the removal of oleic acid and carbon black from the polyester spun fabric was remarkably promoted, especially in the initial stage of the washing process. On the other hand, the soil redeposition gradually increased with wash time, especially for carbon black. Therefore, the removal and redeposition were compared between wash time 1 min and 5 min using some soils and fabrics. The soil removal was slightly larger for the 5 min-washing, whereas the soil redeposition was considerably prevented for the 1 min-washing. Comparing with a conventional washing with a drum type washer, the 1 min-shake/ultrasound combination washing had little impact damage in spite of having similar detergency power.
Kurzfassung
Unter den Aspekten, Textilschädigungen zu vermeiden, elektrische Energie einzusparen und den Waschvorgang zu verkürzen, wurde diskutiert, die Waschdauer mittels Ultraschall zu reduzieren. Saubere und mit Modell-Öl und/oder Partikeln angeschmutzte Polyester- und Baumwollgewebe wurden zusammen in wässrigen Natriumdodecylsulfatlösungen mit und ohne Ultraschalleinsatz in einer Schüttel-(Vibrations)apparatur gewaschen. Die Schmutzentfernung und die Redeposition wurden über die durch die Wäsche verursachte Änderung der Kubelka-Munk-Funktion der angeschmutzten und nicht angeschmutzten Gewebe bestimmt. Mit Ultraschalleinsatz ließ sich die Entfernung von Ölsäure und Ruß von Polyestergewebe deutlich steigern, besonders in der Anfangsphase des Waschvorgangs. Andererseits nahm die Schmutzredeposition, speziell die von Ruß, allmählich mit der Waschdauer zu. Daher wurden Schmutzentfernung und Redeposition von einigen Ölen und Geweben bei Waschzeiten zwischen einer und fünf Minuten verglichen. Die Schmutzentfernung nach fünf Minuten war geringfügig höher, wohingegen die Schmutzredeposition nach einminütiger Waschdauer deutlich unterbunden werden konnte. Vergleicht man eine konventionellen Wäsche in einer Trommelwaschmaschine mit der kombinierten Wäsche aus Ultraschall und einminütigem Schütteln, so hat letztere eine ähnliche Waschkraft, aber einen geringen Einfluss auf die Textilschädigung.
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© 2015, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Hygiene and Washing
- Characterization of Microbial Communities in Household Washing Machines
- Hygiene in Domestic Laundering – Consumer Behavior in Germany
- Timesaving Washing of Textiles Utilizing 38 kHz Ultrasound
- Application
- Oil Extraction from Oil-Contaminated Drill Cuttings Using a Recyclable Single-Phase O/W Microemulsion
- Physical Chemistry
- Effect of Sodium Taurocholate on Aggregation Behavior of Amphiphilic Drug Solution
- Influence Prediction of Alkylamines Upon Electrical Percolation of AOT-based Microemulsions Using Artificial Neural Networks
- Effect of Tween 40 and Tween 60 on the Properties of a Cationic Slow-Set Emulsifier
- Magnetic Properties of Polyaniline/ZFe2O4 Nanocomposites Synthesized in CTAB as Surfactant and Ionic Liquid
- Novel Surfactants
- Ionic Liquid in Thin-Layer Chromatography of Anionic Surfactants: Selective Separation of Sodium Deoxycholate and Identification in Commercial Products
- Micellar Catalysis
- Combination of Best Promoter and Micellar Catalyst for Chromic Acid Oxidation of D-Arabinose in Aqueous Media at Room Temperature
- Environmental Chemistry
- Photocatalytic Degradation of Copper(II) Palmitates in Non Aqueous Media Using ZnO as Photocatalyst
Articles in the same Issue
- Contents/Inhalt
- Contents
- Hygiene and Washing
- Characterization of Microbial Communities in Household Washing Machines
- Hygiene in Domestic Laundering – Consumer Behavior in Germany
- Timesaving Washing of Textiles Utilizing 38 kHz Ultrasound
- Application
- Oil Extraction from Oil-Contaminated Drill Cuttings Using a Recyclable Single-Phase O/W Microemulsion
- Physical Chemistry
- Effect of Sodium Taurocholate on Aggregation Behavior of Amphiphilic Drug Solution
- Influence Prediction of Alkylamines Upon Electrical Percolation of AOT-based Microemulsions Using Artificial Neural Networks
- Effect of Tween 40 and Tween 60 on the Properties of a Cationic Slow-Set Emulsifier
- Magnetic Properties of Polyaniline/ZFe2O4 Nanocomposites Synthesized in CTAB as Surfactant and Ionic Liquid
- Novel Surfactants
- Ionic Liquid in Thin-Layer Chromatography of Anionic Surfactants: Selective Separation of Sodium Deoxycholate and Identification in Commercial Products
- Micellar Catalysis
- Combination of Best Promoter and Micellar Catalyst for Chromic Acid Oxidation of D-Arabinose in Aqueous Media at Room Temperature
- Environmental Chemistry
- Photocatalytic Degradation of Copper(II) Palmitates in Non Aqueous Media Using ZnO as Photocatalyst