Inventory Analysis of Adhesives Used for Wood Based Materials

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  • Sawada Yukinobu
    Graduate School of Agriculture, Tokyo University of Agriculture and Technology Present address:Research and Development Center, Daiken Corp.
  • Ando Keisuke
    Graduate School of Agriculture, Tokyo University of Agriculture and Technology
  • Hattori Nobuaki
    Graduate School of Agriculture, Tokyo University of Agriculture and Technology
  • Tamura Yasuo
    Former Akita Prefectural University

Bibliographic Information

Other Title
  • 木質材料に使われる接着剤のインベントリ分析
  • モクシツ ザイリョウ ニ ツカワレル セッチャクザイ ノ インベントリ ブンセキ

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Abstract

Five popular adhesives of urea resin (UF), melamine-urea cocondensed resin (MUF), phenol resin (PF), phenol-resorcinol resin (PRF), and aqueous polymer isocyanate (API) for wood based materials were analyzed by the inventory analysis. It was calculated that energy consumption and emissions of CO2, NOx and SOx for production of 1 kg resin using unit processes from oil drilling for material's production to resin production. It became clear that MUF and PRF consumed the largest amount of energy and exhausted maximum amount of SOx among five adhesives. On the other hand, UF consumed the least energy and exhausted minimum SOx which are equivalent to the range of 57 and 67 percents of those of MUF and PRF, respectively. PF and API were recognized to be medium ones among five adhesives analyzed. CO2 and NOx emissions of API were remarkably large in such a condition that these amounts were more than six times as long as other resins.<br>It was highly recommended that environmental loads of an adhesive should be judged by not the weight unit but the functional unit in case of life cycle assessment of wood based materials.

Journal

  • Mokuzai Gakkaishi

    Mokuzai Gakkaishi 52 (4), 235-240, 2006

    The Japan Wood Research Society

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