细乳液聚合制备松香/丙烯酸复合高分子新材料的研究

doi:10.11707/j.1001-7488.20061018

林业科学 ›› 2006, Vol. 42 ›› Issue (10): 95-100.doi: 10.11707/j.1001-7488.20061018

细乳液聚合制备松香/丙烯酸复合高分子新材料的研究

林明涛王基夫储富祥庞久寅王春鹏

中国林业科学研究院林产化学工业研究所,南京210042

收稿日期:2005-03-17 修回日期:1900-01-01 出版日期:2006-10-25 发布日期:2006-10-25

Study on Hybrid Polymer Materials about Rosin/Acrylate Made by Miniemulsion Polymerization

Lin Mingtao,Wang Jifu,Chu Fuxiang,Pang Jiuyin,Wang Chunpeng

Institute of Chemical Industry of Forest Products,CAF Nanjing 210042

Received:2005-03-17 Revised:1900-01-01 Online:2006-10-25 Published:2006-10-25

摘要/Abstract

摘要：

用细乳液聚合方法成功制备氢化松香甲基丙烯酸甲酯复合高分子乳液,考察聚合过程中氢化松香对单体转化率和聚合物粒子粒径的变化的影响,利用透射电子显微镜研究粒子的形态结构。结果表明聚合前后单体液滴的粒径和聚合物粒子的粒径基本保持不变;氢化松香的引入降低了聚甲基丙烯酸甲酯的分子量和玻璃化转变温度,加宽了分子量分布,其影响与理论预测的结果相一致。

关键词: 细乳液聚合, 松香, 丙烯酸酯, 复合高分子

Abstract:

Composite latex particles of hydro-rosin and poly (methyl methacrylate) PMMA were synthesized by miniemulsion polymerization. The influence of introduction of hydro-rosin on polymerization was studied by monitoring the evolution of monomer conversion and particle size. The particle morphology was characterized by transmission electron microscopy. The molecular weight,molecular weight distribution and the glass transition temperature of the resulted composite polymers were analyzed by gel permeation chromatography and differential scanning calorimetry. It was found that the diameter of the droplet and the polymer particles was almost the same before and after polymerization. The introduction of hydro-rosin reduced both the molecular weight and glass transition temperature of PMMA,which was highly accorded with the prediction from polymer theories.

Key words: miniemulsion polymerization, rosin, acrylate, hybrid polymer

林明涛王基夫储富祥庞久寅王春鹏. 细乳液聚合制备松香/丙烯酸复合高分子新材料的研究[J]. 林业科学, 2006, 42(10): 95-100.

Lin Mingtao;Wang Jifu;Chu Fuxiang;Pang Jiuyin;Wang Chunpeng. Study on Hybrid Polymer Materials about Rosin/Acrylate Made by Miniemulsion Polymerization[J]. Scientia Silvae Sinicae, 2006, 42(10): 95-100.

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细乳液聚合制备松香/丙烯酸复合高分子新材料的研究

Study on Hybrid Polymer Materials about Rosin/Acrylate Made by Miniemulsion Polymerization

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