The dilute solution of Sodium-Salt of celluloes sulfate half-ester (NaCS) blended with polyvinyl alcohol (PVA) was studied by Ubbelohde viscometry at various conditions.

• 采用乌氏粘度计研究了纤维素硫酸半酯钠盐(NaCS)与聚乙烯醇(PVA)混合稀溶液的性质。