The CC solution with 7% mass fraction was exposed to solution spinning in presence of 7% dilute sulfuric acid as coagulation bath after filtration and deaeration.

• 探索了尿素对纤维素氨基甲酸酯(CC)/氢氧化钠溶液(CC溶液)的增溶作用,考察了不同浓度CC溶液的流变性能,选择CC质量分数为7%25的溶液经过滤、脱泡后,以7%25的稀硫酸为凝固浴进行溶液纺丝。