EFFECT OF THE STORAGE CONDITIONS ON THE DEINKABILITY OF LASER-PRINTED PAPER
The effect of the storage conditions such as storage period, temperature, relative humidity and sunshine on the deinkability of laser-printed wastepaper was studied in this paper. The results showed that storage conditions had significant effect on the deinkability of the laser-printed paper. If the waste paper was stored inside the room where the temperature was 20～30℃ and the relative humidity was about 50%～60% RH, longer storage time resulted in more easily deinking. Stored outside the laboratory and exposed to the sunlight, the laserprinted paper became difficult to deink. If it was stored under the condition of 40℃ and 47.5% RH, the deinkability of the laser-printed paper didnt deteriorate. However, if it was stored at 40℃, and 79.5% RH, the dirt count of the deinked pulp increased and its brightness decreased with the increase in storage time, which indicated that its deinkability deteriorate markedly. Storage under sunlight, or at high temperature especially at high relative humidity, would also lower the physical properties of the deinked pulp obviously.
laser-printed paper storage ink aging deinkability dirt count brightness
Fu Yingjuan Qin Menghua Hu Huiren Shi Shulan
Tianjin University of Science and Technology, Tianjin, 300222, China Shandong Institute of Light Ind Shandong Institute of Light Industry, Jinan, 250100, China Tianjin University of Science and Technology, Tianjin, 300222, China
国际会议
广州
英文
283-286
2006-11-08（万方平台首次上网日期，不代表论文的发表时间）