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자료유형
학술저널
저자정보
정해운 (인하대학교 가정대학 의류학과) 김성련 (서울대학교 가정대학 의류학과)
저널정보
한국의류학회 한국의류학회지 한국의류학회지 제12권 제2호
발행연도
1988.1
수록면
225 - 235 (11page)

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The effects of surface free energy of substrates on the soiling and on the detergency of the oily soil were studied. The surface tension consisted of dispersion force and polar force components of substrate, oily soil and surfactant solutions were calculated by extended Fowkes' equation. From these values, work of adhesion($W_a$), work of detergency($W_D$), ana residual work of detergency($W_{D,R}$) were calculated. The correlations between these theoretical values of the works and detergency were discussed. MAA grafted PET film was used as substrate, triolein as oily soil and nonylphenol polyoxyethylene ether(NPE) having various mole numbers of oxyethylene adducts and dodecylbenzene sulfonate (DBS) as surfactants. Detergency was estimated by means of radioactive tracer method using $C^{14}-triolein$. The results showed that $W_a$ was decreased with the increase of surface free energy of substrate. In water, $W_D\;and\;W_{D,R}$ were decreased and detergency of tiolein was increased with the increase of surface free energy of substrate. In surfactant solutions, the lower the surface free energy of substrate and the lower oxyethylene adducts of NPE were the more effective on detergency. The detergency of DBS solution was the lowest in the case of ungrafted PET film, but even small increase in surface free energy by grafting showed much increase in detergency.

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