In this paper, the PVA of major component in the Sensitized emulsion was modified by the polyreaction with formaldehyde, butyl aldehyde, furfural and alcohol.

• 用甲醛、丁醛、糠醛对重氮感光胶中的主要成分聚乙烯醇进行改性,以增强感光胶的耐水性和耐磨性。