双醛淀粉改性聚醋酸乙烯酯乳液胶粘剂的制备

Preparation of PVAc emulsion adhesive modified by dialdehyde starch

研究了双醛淀粉作为含醛物料与白乳胶中聚乙烯醇进行缩合反应,制备了环保型聚醋酸乙烯酯乳液胶粘剂。讨论了双醛淀粉的改性机理,并对其影响因素进行了探讨。

The dialdehyde starch was prepared to condense with PVA to form a environmental nontoxic PVAc emulsion adhesive. The mechanism of reaction between PVA and dialdehyde starch was discussed and the factors on reaction were investigated also.