水性ワニスをオーバーコートした紙粉レス段ボール: 段ボール包装における輸送中の紙粉発生と防止に関する研究

摘要

The use of paper-based such as corrugated board has been increased. One of the challenges that are typical for paper-based material is how to cope with the problem with paper-dust produced from friction during transportation. In this study, we assessed the reducing effect of paper-dust from resin-coated paper by measuring the amount of the dust. The result showed excessive amount of paper dust was produced when liner was scraped by a metal edge. It was proved that risen-coating was the most effective for occurrence prevention of paper dust. The combination of reinforced corrugated board and the use of package material that has reducing effect of paper dust enhanced the effectiveness. We developed the corrugated board of which liner was coated with the most effective water varnish, which was proved to have high protection property through the vibration test using an actual product.%環境面の配慮から段ボールなど紙系包装材 の利用が増加している。一方，国内における 段ボールのリサイクル率は90%を超え，段 ボール原紙の古紙配合率が年々高まっている ことから，段ボール原紙の繊維長はさらに短 くなる傾向にある。そのため，表面強度や耐 摩耗性等が以前より低下していると考えら れ，紙素材特有の課題が生じている。