Effects of Internal Addition of Bulking Agents on Properties of Recycled Handsheet

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  • Jin Hailan
    Key Lab of Bio-based Material Science and Technology of Ministry of Education, Northeast ForestryUniversity
  • Watanabe Kosei
    Graduate School of Agriculture, Tokyo University of Agriculture and Technology
  • Ohtani Hajime
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute ofTechnology
  • Li Jian
    Key Lab of Bio-based Material Science and Technology of Ministry of Education, Northeast ForestryUniversity
  • Okayama Takayuki
    Graduate School of Agriculture, Tokyo University of Agriculture and Technology

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Other Title
  • 低密度調整剤添加によるリサイクルシートの特性変化
  • テイミツド チョウセイザイ テンカ ニ ヨル リサイクルシート ノ トクセイ ヘンカ

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Abstract

In this study, the effect of adding bulking agents on properties of recycled handsheet, and sizing performance was evaluated. The density of handsheet decreased with recycling, and the addition of bulking agents further reduced it. Repeated recycling increased the total pore volumes, and the addition of bulking agents further increased it. In any case, the addition of the bulking agents contributed to the AKD retention. The addition of one of the bulking agents improved the sizing performance further only AKD on recycled handsheet. In the case of recycling 5 times, the ratio of the pore diameter region ranting from 4 to 8μm, it was confirmed that the increase of pore volume by addition of the bulking agents.

Journal

  • Sen'i Gakkaishi

    Sen'i Gakkaishi 71 (6), 201-206, 2015

    The Society of Fiber Science and Technology, Japan

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