Effect of Washing and Subsequent Heat Treatment on the Water Repellency of Poly(ethylene terephthalate) Fabric and Film Treated with Carbon Tetrafluoride and Trifluoromethane Low-Temperature Plasmas.

Wakida Tomiji, Goto Tokuju, Li Huishun, Sato Tetsuya, Lee Muncheul, Chen Jierong

doi:10.2115/fiber.50.11_533

Effect of Washing and Subsequent Heat Treatment on the Water Repellency of Poly(ethylene terephthalate) Fabric and Film Treated with Carbon Tetrafluoride and Trifluoromethane Low-Temperature Plasmas.

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Wakida Tomiji

Department of Chemistry and Materials Technology, Kyoto Institute of Technology
Goto Tokuju

Department of Chemistry and Materials Technology, Kyoto Institute of Technology
Li Huishun

Department of Chemistry and Materials Technology, Kyoto Institute of Technology
Sato Tetsuya

Department of Chemistry and Materials Technology, Kyoto Institute of Technology
Lee Muncheul

Department of Clothing and Textiles, Kyungsung University
Chen Jierong

Department of Textile Chemistry, North-West Institute of Textile Science and Technology

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説明

Poly (ethylene terephthalate) fabric and film were treated with carbon tetrafluoride and trifluoromethane low-temperature plasmas, washed and subsequently heat-treated. The excellent water repellency of the plasmatreated fabrics was decreased by washing and recovered again by heat treatment. The critical surface tension of the plasma-treated films was increased by washing and decreased by the subsequent heat treatment in accordance with the water repellency of the CF₄ and CHF₃ plasma-treated fabrics. Changes in the surface chemical components were investigated by means of ESCA analysis. The F_1s intensity of the plasma-treated fabrics was decreased by washing and recovered by heat treatment, while the O_1s intensity was increased by washing and decreased by heat treatment. An excellent correlation was obtained between the change in water repellency of the fabrics by washing and heat treatment and the results of ESCA analysis.