明胶上接枝丙烯酸丁酯的研究 Ⅲ.接枝产物的表征及其在染印法空白片上的应用初探  

Graft Copolymerization of Butyl Acrylate onto Gelatin Ⅲ.The Characterization of Graft-Copolymer and its Use in the Dye Transferring Blank Film

作　　者：李治崇 傅志峰[1] 黄明智[2] 缪进康[2] 连娜[2] 

机构地区：[1]天津大学材料系 [2]北京化工学院高分子系

出　　处：《化学工业与工程》1989年第1期5-14,共10页Chemical Industry and Engineering

摘　　要：明胶上接枝丙烯酸丁酯的反应是在 Ce^(4+)存在下进行的。不同的明胶与丙烯酸丁酯配比,可获得一系列不同的接枝产物,此接枝产物的存在由红外光谱和茚三酮试验所证实.测定了接枝侧链的分子量和平均接枝点数目.根据氨基酸分析结果推测了接枝点的可能位置。电子显微照片和 DSC 均表明明胶和聚丙烯酸丁酯侧链处于相分离状态.将此接枝共聚物用于彩色电影染印法空白片的接受层中,其感光性能、染印性能以及一些物理-机械性能均获得较为满意的效果.Butyl acrylate was graft copolymerized onto gelatin using ceric ammonium nitrate as redox initiator.A serious of grafted products with various gelatin-to-butyl acrylate ratios were prepared.The mol wt.of the grafted side chains and the number of grafting sites were measured. The possible grafting sites on gelatin macromolecules were pointed out through amino acid analysis.The electron micrograph and DSC analysis showed that the grafted chain (PBA) and backbone gelatin were in separated phases.The graft copolymer was used in the receiving layer of the dye transfer blank film,and the photographic,dye transfer printing,and some physico-mechanical properties were studied with satisfactory results.

关 键 词：接枝产物 接枝点 接枝共聚物 染印 茚三酮试验 接枝物 感光性能 玻璃化转变温度 粘度法 红外光谱 

分 类 号：TQ[化学工程] TQ02