Structural and water-repellent properties of a urea/poly(dimethylsiloxane) sol-gel hybrid and its bonding to cotton fabric

A novel diureapropyltriethoxysilane [bis(aminopropyl)-terminated-poly(dimethylsiloxane) (1000)] (PDMSU) sol-gel hybrid was synthesized and applied on cotton to make it water repellent. Surface-energy values of PDMSU deposited on an aluminum substrate were determined, and the contact angle for water...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 22(2006), 15 vom: 18. Juli, Seite 6489-97
1. Verfasser: Vince, Jelica (VerfasserIn)
Weitere Verfasser: Orel, Boris, Vilcnik, Aljaz, Fir, Mojca, Surca Vuk, Angela, Jovanovski, Vasko, Simoncic, Barbara
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Dimethylpolysiloxanes Gels Propylamines Silicones Siloxanes diureapropyltriethoxysilane(bis(aminopropyl)-)-terminated-poly(dimethylsiloxane) Water 059QF0KO0R mehr... baysilon 63148-62-9 Urea 8W8T17847W
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245 1 0 |a Structural and water-repellent properties of a urea/poly(dimethylsiloxane) sol-gel hybrid and its bonding to cotton fabric 
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520 |a A novel diureapropyltriethoxysilane [bis(aminopropyl)-terminated-poly(dimethylsiloxane) (1000)] (PDMSU) sol-gel hybrid was synthesized and applied on cotton to make it water repellent. Surface-energy values of PDMSU deposited on an aluminum substrate were determined, and the contact angle for water was assessed for impregnated cotton fabrics. The stability of the coatings was determined by repetitive washing, and their degradation was investigated with the help of the infrared attenuated total reflection (ATR) technique. The structure of PDMSU was studied by ATR and 29Si NMR spectroscopy. The results showed the active role of the urea groups in PDMSU/cotton interface bonding, but washing led to the relaxation of the urea-urea associations, as inferred from the appearance of a new amide II band at 1541 cm(-1) 
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700 1 |a Orel, Boris  |e verfasserin  |4 aut 
700 1 |a Vilcnik, Aljaz  |e verfasserin  |4 aut 
700 1 |a Fir, Mojca  |e verfasserin  |4 aut 
700 1 |a Surca Vuk, Angela  |e verfasserin  |4 aut 
700 1 |a Jovanovski, Vasko  |e verfasserin  |4 aut 
700 1 |a Simoncic, Barbara  |e verfasserin  |4 aut 
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