[논문]Water-repellent functional coatings through hybrid SiO2/HTEOS/CPTS sol on the surfaces of cellulose fibers

Yin, Y.; Wang, C.

doi:10.1016/j.colsurfa.2012.10.027

Water-repellent functional coatings through hybrid SiO2/HTEOS/CPTS sol on the surfaces of cellulose fibers

Colloids and surfaces. A, Physicochemical and engineering aspects, v.417, 2013년, pp.120 - 125

Yin, Y. , Wang, C.

Abstract ▼ AI-Helper

A water-repellent functional hybrid coating is deposited on the surfaces of cellulose substrates from a hybrid SiO2/HTEOS/CPTS sol prepared by acid-catalyzed hydrolytic co-polycondensation of tetraethoxysilane (TEOS), γ-chloropropyltriethoxysilane (CPTS) and hexadecyltrimethoxysilane (HTEOS). The contract angles of water on the fabric coated with hybrid SiO2/HTEOS/CPTS sol are improved to 139.8o, and the enhancement are mainly achieved by the combination of low surface energy chemical compositions (HTEOP and CPTS) and rough surface geometrical structure which is demonstrated by Atomic force microscopy (AFM) and Scanning electron microscope (SEM). The hydrostatic pressure analysis confirms that the hydrostatic pressure of fabric coated with hybrid SiO2/HTEOS/CPTS sol is 4.1kPa, which is significantly higher than that of the control sample (1.7kPa). The droplet shapes analysis indicates that the water repellent of the fabric sample is universal. The breaking strengths of the fabric coated with hybrid SiO2/HTEOS/CPTS sol are increased 3.4% in the warp direction and 15.4% in the weft direction comparing to that of the untreated sample, respectively. Whereas, the elongation rates of in the warp direction and weft direction are decreased by 5.6% and 7.7%, respectively.

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표제어: PCR

동의어: Packet Collision Rate

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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Water-repellent functional coatings through hybrid SiO2/HTEOS/CPTS sol on the surfaces of cellulose fibers

Abstract ▼ AI-Helper

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참고문헌 (31)

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