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계절에 따른 골판지 원지의 강도 변화에 대한 연구 ( III )
이광섭(Kwang-Seob Lee),최경화(Kyoung-Hwa Choi),원현석(Heon-Seong Won),최성경(Seong-Keong Choi),최지수(Ji-Su Choi),류정용(Jeong-Yong Ryu) 한국펄프·종이공학회 2018 펄프.종이技術 Vol.50 No.4
The strength of linerboards produced in summer was weaker than that in winter. In this study, efforts were made to increase the consistency of OCC pulp to improve the strength of linerboards produced in the summer. The pulping temperatures of summer and winter were set at 52℃ and 19℃, respectively. The pulping consistency was set 5% at 19℃ in winter and 5, 6, 6.5 and 7% at 52℃ in summer. As a result, it has been found that the strength of the linerboard can be improved by increasing the pulping consistency. The strength of the linerboard with a pulping consistency of 6% and a pulping temperature of 52℃ is similar to that of 5% and 19℃. The linerboard strength increased by more than 20% when the consistency increased to 6.5 and 7%. Therefore, an increase in pulp consistency is considered to be one of the solutions to improve the strength of linerboards in summer.