비불소계 폴리스테아릴메타크릴레이트 발수제의 합성과 발수특성
Synthesis of Non-fluorinated Polystearyl methacrylate Water Repellent and Its Properties on Textile Fibers
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A non-fluorinated polystearyl methacrylate water repellent was synthesized by emulsion polymerization. The number and weight averaged molecular weights were obtained at around 137,277 and 237,754g/mole. The melting point was observed at 32℃. The contact angle of water droplet on fabrics treated with the water repellent was 140~145° for cotton and polyester, and 125~130° for wool and nylon. Since the critical surface tension was estimated at 20.7mN/m, even though relatively not so strong as fluorinated water repellent, it is considered to be used as a good water repellent practically.
Abstract
A non-fluorinated polystearyl methacrylate water repellent was synthesized by emulsion polymerization. The number and weight averaged molecular weights were obtained at around 137,277 and 237,754g/mole. The melting point was observed at 32℃. The contact angle of water droplet on fabrics treated with the water repellent was 140~145° for cotton and polyester, and 125~130° for wool and nylon. Since the critical surface tension was estimated at 20.7mN/m, even though relatively not so strong as fluorinated water repellent, it is considered to be used as a good water repellent practically.
참고문헌 (20)
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