Explanipedia

Application of Atmospheric Pressure Plasma Oxidation and Plasma-Induced Polymer Coating to Surface Functionalization of Textiles Open

Keiko Gotoh · 2020

Surface functionalization of fibers is one of powerful meanings for improvement of textile performances. In this review, two atmospheric pressure plasma jets (APPJ), plasma oxidation with nitrogen gas and plasma-induced polymer coating wit…

UV Shielding Treatment on Cellulose Film and Cotton Fabric Using Cerium-Calcium Hydroxyapatite Particles Open

Akemi Yasukawa, Keiko Gotoh · 2019

Materials science Chemistry Engineering

Cerium-calcium hydroxyapatite (CeCaHap) solid solution particles were prepared with Ce/(Ce + Ca) = 0.01 by a wet method. The obtained particles were supported on cellulose film and cotton fabric by immersing them into the dispersion contai…

UV Shielding Properties of Fabrics Supported by Ceria Particles Prepared Using Ozone Oxidation Reaction Open

Akemi Yasukawa, Shioka Gotoh, Yasuyuki Kobayashi, Keiko Gotoh · 2019

Materials science Chemistry Engineering

Cerium oxide (CeO2, ceria) particles were supported on cotton and nylon fabrics by immersing the fabrics into the solution containing cerium chloride (CeCl3) with bubbling of ozone (O3) gas.The amount of supported ceria on the fabrics was …

Preparation of Polyester Fabric with Asymmetric Wettability by Atmospheric Pressure Plasma Jet Treatments Open

Yuriko Kibayashi, Keiko Gotoh, Yasuyuki Kobayashi, Sachiko Sukıgara · 2018

Materials science Chemistry Engineering

Two types of atmospheric pressure plasma jet (APPJ) treatment were used to prepare the polyester fabric with asymmetric wettability, and then the wettability stability of the prepared fabric was examined. We investigated to make an asymmet…

Effect of Pre-Treatment by Atmospheric Pressure Plasma Jet on Inkjet Dyeing of Wool Fabric Open

Ryoko Yasukawa, Yuri Sakai, Hirohisa Yamada, Keiko Gotoh · 2018

Materials science Engineering Physics

The effect of the atmospheric pressure plasma jet (APPJ) pre-treatment on the inkjet dyeing of wool fabric with acid dyes was examined. The scanning electron microscopic observation and the X-ray photoelectron spectroscopic analysis revele…

Wettability Control and Contamination Resistance of Fiber Using Atmospheric Pressure Plasma Open

Yasuyuki Kobayashi, Keiko Gotoh · 2018

Materials science Engineering Physics

To control the contamination resistance of polymer surface, hydrophilization and hydrophobization of polymer were attempted by two atmospheric pressure plasma (APP) treatments. Poly(ethylene terephthalate) film and fabric were treated by u…

Surface Modification of Fibers Using Atmospheric Pressure Plasma Jet Open

Keiko Gotoh, Yasuyuki Kobayashi · 2017

Materials science Chemistry Physics

繊維集合体は構造が複雑で，大気圧プラズマジェットによる高分子表面の構造変化に関する正確な情報を得ることは難しいと考えられる。そこで，幾何学的に単純な高分子フィルム (ポリエステルテレフタレート (PET) およびセルロース) を用いてプラズマ処理前後の表面キャラクタリゼーションを行った。大気圧プラズマ処理は Plasmatreat 社製装置を用いて行った 18) 。ノズルジェットを垂直に固定し，その真下の水平試料台にフィルムを置く。酸化処理は気体源に窒素ガス…

Dynamic analysis of soil removal process using a quartz crystal microbalance Open

Yu Nagai Kanasaki, Keiko Gotoh · 2017

Materials science Environmental science Chemistry

The removal process of fatty acid in aqueous systems was investigated using well-defined model detergent systems consisting of polymer, carbon, silica, and gold as substrates, and stearic acid as soil.The detergency was evaluated by the qu…

Application of Atmospheric Pressure Plasma Jet to Surface Functionalization of Natural Fiber Open

Keiko Gotoh, Tomoko Ohi, Ryoko Yasukawa · 2017

Materials science Physics Engineering

The atmospheric pressure plasma (APP) jet was applied to the surface treatment of natural fibers, cotton, wool and silk. From the SEM observation, the wool and silk fibers were found to be slightly damaged after the APP treatment. X-ray ph…

Experimental Analysis of Detergency Phenomena and Investigation of a Next-generation Detergency System Open

Keiko Gotoh · 2016

Materials science Chemistry Engineering

The detergency of products, mainly textiles, was evaluated using various experimental systems and discussed from the viewpoint of interfacial phenomena. The detergency phenomena observed for geometrically simple model systems were explaine…

Soil Guard and Soil Release Finishes of Fabrics Using Atmospheric Pressure Plasma Jet Open

Keiko Gotoh, Natuki Kawamoto, Eriko Shohbuke, Yasuyuki Kobayashi · 2016

Materials science Chemistry Engineering

Two atmospheric pressure plasma jet (APPJ) treatments, APPJ-coating with hexamethyldisiloxane (HMDSO) and APPJ-oxidation, were investigated as soil guard and soil release finishes of textiles. The plainwoven cotton and polyester fabrics we…

Application of Quartz Crystal Microbalance as a Tool for Detergency Evaluation of Fatty Acid Contamination in Aqueous Systems Open

Yu Nagai Kanasaki, Yasuyuki Kobayashi, Keiko Gotoh · 2016

Chemistry Materials science Computer science

Removal process of a fatty acid from four substrates was monitored using a quartz crystal microbalance (QCM). Model substrates included carbon, silica, and gold sputtered electrodes and a polymer film prepared on a gold sputtered electrode…

Effects of Water Hardness on Textile Detergency Performance in Aqueous Cleaning Systems Open

Keiko Gotoh, Kaori Horibe, Mei Yang, Toshiyuki Tsujisaka · 2016

Chemistry Materials science Engineering

The effects of water hardness on textile detergency in aqueous solutions were systematically investigated using four surfactants: sodium oleate (OLNa), linear dodecylbenzene sulfonate (LAS), sodium dodecyl sulfate (AS), and polyoxyethylene…

Introduction of Atmospheric Pressure Plasma to Aqueous Detergent Processes Open

Keiko Gotoh, Yu Nagai Kanasaki, Haruka Uchinomaru · 2015

Chemistry Materials science Physics

The effects of exposure of polymer surfaces to atmospheric pressure plasma (APP) on detergency were investigated from the viewpoint of pretreatment to cleaning in aqueous systems using three PET substrates: film, mesh, and fabric. The PET …

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