At last , we used the base: LDA, dry ice-acetone bath , to synthesize the enol phosphates and gain very high rigio-selectivity.
2
以玉米淀粉为原材料、三聚磷酸钠为酯化剂、碳酰二胺为催化剂，半干法制备了高粘度磷酸酯淀粉。
Taking corn starches as raw material, sodium tripolyphosphate as esterifying agent and carbamide as catalyst, high-viscosity phosphate starch is prepared by semidry process.
3
以磷酸二氢铵、季戊四醇、三聚氰胺及丙烯酸树脂为原料研制了一种超薄膨胀型丙烯酸树脂钢结构防火涂料。
The title super-thin fire retardant intumescent coatings for steel structure is prepared with monobasic ammonium phosphate(ADP), pentaerythritol, melamine, and acrylic resin.
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