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마그네슘 옥시클로라이드 시멘트에 있어서 Epoxy Emulsion의 첨가효과
권종기,민경렬,김창은,이승규 연세대학교 산업기술연구소 1993 논문집 Vol.25 No.1
The effects of the addition of epoxy emulsion to magnesium oxychloride cement on water resistance, weather resistance, abrasive resistance, heat evolution, compressive strength, and water absorption rate have been studied. When 6∼9 wt% epoxy emulsion had been added, the cement paste showed the best water resistance and weather resistance. It is ascribed to the formation of polymer film which interrupts the permeation of water. In case of adding 6 wt% epoxy emulsion, the cement paste showed good abrasive resistance and compressive strength. It is because the micropores in the hardened paste were filled with polymer. And the addition of 6∼9 wt% epoxy emulsion decreased water absorption rate by over 5 vol%. As a result, the optimum amount of addition of epoxy emulsion to magnesium oxychloride cement was 6∼9 wt%.