…Pulp can be used in two ways: when it retains its fiber form, such as in paper or nonwoven fabric (paper pulp), or when it is reacted with chemicals to produce cellulose derivatives or dissolved and regenerated into regenerated cellulose (dissolving pulp). Dissolving pulp was once used to produce viscose rayon and staple fiber, so it was also called rayon pulp. Today in Japan, dissolving pulp is made from hardwood or softwood using the sulfurous acid method. … *Some of the terminology that mentions "rayon pulp" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…パルプの利用は,紙や不織布のように繊維形態を保持したままの場合(製紙パルプ)と,薬品と反応させてセルロース誘導体を作るかあるいは溶解,再生して再生セルロースにする場合(溶解パルプ)がある。かつて溶解パルプはビスコースレーヨン,スフ(ステープルファイバー)を製造するために用いられたのでレーヨンパルプrayon pulpともいった。今日日本では亜硫酸法で広葉樹または針葉樹から溶解パルプを作っている。… ※「rayon pulp」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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