超临界流体萃取法提取率高，产品纯度好，流程简单，能耗低，无有机溶剂残留，但对设备要求高，不易形成工业化生产。
Solvent extraction method has simple production process, but it has many weakness such as solvent residual, lower yield, lower purity.
生产中以有机溶剂NMMO取代粘胶生产所用二硫化碳(有毒)，无环境污染，因而为绿色环保纤维。
Production to replace the organic solvent NMMO viscose production by carbon disulfide (toxic), no environmental pollution, and thus green fiber.
性质白色粉末，无味无毒、无污染、无迁移、耐光照、耐弱酸、耐弱碱，贮存稳定，不溶于水及其它有机溶剂。
Properties White powders, inodorous, atoxic, non-pollution, non-transference, light resistant, weak acid or alkali resistant, stable storage, insoluble in water and other organic solvents.
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