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VAE 에멀션의 적용이 더블 코팅지의 품질에 미치는 영향(제1보)
김선구(Sun-Goo Kim),정경모(Kyoung-Mo Jeong),원종명(Jong-Myoung Won),최용해(Yong-Hae Choi),이용규(Yong-Kyu Lee) 한국펄프·종이공학회 2017 펄프.종이기술 Vol.49 No.6
This study was carried out to compare three types of VAE emulsion and one type of SB latex to replace SB latex for pre-coating layer which is mainly used as a binder for paper coating. When the binder of the pre-coating layer was replaced with VAE emulsion, the roughness of the surface of the coated paper was somewhat higher than that of the SB-Latex binder, and the paper gloss was decreased slightly. In the case of optical properties such as brightness, whiteness and opacity, there was little difference. The ink setoff, which is one of the printability evaluation means, showed better results than the SB latex by applying VAE emulsion to the pre-coating layer, and the dry pick and wet pick strength were similar or slightly lower than those of SB latex. It was concluded that there was no serious problem in replacing the SB latex with VAE emulsion for pre-coating layer.