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

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
권호 표지

Studies on the Pore of Coating Layer and Printability(II) -Effects of Pigment Shape on Pore of Coating Layer-

도공층의 공극과 인쇄적성에 관한 연구(제2보) -안료의 입자형태가 미치는 영향-

  • 김창근 (강원대학교 산림과학대학 제지공학과) ;
  • 이용규 (강원대학교 산림과학대학 제지공학과)
  • Published : 2001.03.01
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Abstract

This study was carried out to evaluate the effect of coating pigments on the printability by investigating the pore structure of casting layer such as the number, size and distribution of pores and the pore rate. The coating structure was mainly determined by the interaction between pigment and binder. It means that the structure of pores was chiefly affected by the shape and size distribution of pigments and their packing rate. The physical properties of pore have close relationships with ink set-off, the speed of ink penetration and printing gloss. The results suggested that the rate and number of pores were greatly affected by the particle size distribution and shape of pigments. The rate of pore increased with the reduction of particle size distribution of pigments. Calcite was effective to improve greatly the printability of coated paper.

Keywords

References

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