二相法制备聚乙烯醇缩丁醛最佳条件的探讨

Research of the Optimum Conditions to Prepare Polyvinly Butyral with Two-Phase Process

叙述了以聚乙烯醇、丁醛为原料在盐酸为催化剂条件下，缩合反应最佳工艺条件的选择．介绍了配方及工艺条件的试验结果．

The optimum conditions to condense polyvinyl alcohol with butyraldehyde, with hydrochloric acid ac catalyst,were determined. The formula as well as the testing results Were introduced in the paper.