도공층의 공극과 인쇄적성에 관한 연구(제3보) -라텍스의 특성이 미치는 영향-

Studies on the Pore of Coating Layer and Printability(III) -Effects of Properties of Latices on Pore of Coating Layer-

  • 이용규 (강원대학교 산림과학대학 제지공학과) ;
  • 김창근 (강원대학교 산림과학대학 제지공학과)
  • 발행 : 2001.03.01

초록

This paper was made to evaluate the effect of the type of latex for coating on the printability by investigating the structure of pore such as the pore fraction, the number of pores, pore size and distribution of coated paper. The coated structure is mainly depend on the results of interaction between pigment and binder. It means that the structure of pore formed is chiefly affected by the type of latex. This physical properties of pore have a close relation with ink set-off associated with the drying rate, the speed of penetration of ink into base paper and printing gloss. Therefore it was necessary to find out the relationship between pore structure and the performance of printability by modifying the type of latex to vary the pore structure of coated paper. Acrylic latex was superior to S/B latex in the sedimentation volume, compressibility, smoothness, pore fraction and its number, the weight of transferred ink onto the coated paper and ink repellance. In contrast, water retention and ink setting were not good. in the comparison of anionic and amphoteric latex, amphoteric latex showed better performance in the thickness, smoothness, pore fraction and its number, pore size, the weight of ink transmitted and K&N ink receptivity, etc.

키워드

참고문헌

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