Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Effects of Pigment Blending and Thickener Characteristics on Calendering Response and Structure of Coated Paper-Effect of Pigment Blending on Coating Properties-

도공 안과의 혼합과 증점제의 특성과 도공지의 광택 발현성과 구조적 특성에 미치는 영향

  • 박종열 (경상대학교 산림과학부 임산공학과) ;
  • 이학래 (서울대학교 농업생명과학대학 임산공학과) ;
  • 김병수 (메인 유니버시티 화학공학과) ;
  • 정현채 (순천대학교 산림자원학과)
  • Published : 1998.06.01
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Abstract

The aim of this work was to investigate the effects of pigment composition on the calendering response and structure of the coated paper. Calendering response of the coated paper was determined from the gloss values of the uncalendered and calendered coated papers, and the relationship between gloss and coating structure was discussed. The surface and cross section of the coating layer was observed using a scanning electron microscope to examine the coating structure. Coating layers were hardened in epoxy resin and polished with carbimet paper disc for preparing SEM samples. Maximum calendering response was obtained for the coated paper prepared from 80pph of clay and 20pph of ground calcium carbonate (GCC) as pigments. Photomicrographs of the surface and cross section of the coating layer show that clay tends to form dense coating structure, while GCC tends to form bulky coating layer.

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