The urushiol in the extract was removed from lacquer by autoae. The Polysaccharide btained from acetonepowder were extracted by boiling water bath.
由云南镇雄采取新鲜生漆，经丙酮除去漆酚，沸水浴提取，三氯醋酸—正丁醇除杂蛋白，乙醇沉淀。
2
The effect of the lignin powder modified by acetone on the reinforcement to BIIR was investigated.
研究了丙酮改性对木质素粉末化工艺及BIIR补强效果的影响。
3
Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.