ビスコース法人造纎維の氣相法酢化による酢酸人造纎維の製造

第20報 苛性ソーダ前處理を行つた時の酢化

抄録

After pretreatment of viscose rayon with 10% caustic soda solution at room temperature, it was subjected to fibrous acetylation. After such a pretreatment are fibers in a swollen state and the acetylation proceeds as by homogeneous acetylation for the acetic anhydride penetrates easily into the fibers.