| 聚酰胺酸纳米乳液的形成与影响因素 |
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| 引用本文： | 罗小兰,童跃进,胡炳环,关怀民.聚酰胺酸纳米乳液的形成与影响因素[J].科学技术与工程,2009,9(8). |
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| 作者姓名： | 罗小兰 童跃进 胡炳环 关怀民 |
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| 作者单位： | 福建师范大学化学与材料学院,福建省高分子材料重点实验室,福州,350007 |
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| 基金项目： | 新加坡科技部材料研究院合作课题 |
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| 摘 要： | 通过在聚酰胺酸(PAA)的DMAc溶液中添加胺和非溶剂,制得PAA纳米乳液.透射电镜和激光粒度仪的分析表明:PAA纳米乳液液滴的形状较为规整,尺寸分布在50～100 nm之间.研究了PAA纳米乳液形成的影响因素,发现聚酰胺酸盐的形成是PAA纳米乳液的形成和稳定的关键.结果表明:以甲醇为分散介质,控制三乙胺与PAA中羧基的比例(R)在0.6～0.7之间,甲醇与DMAc的比值(P/S)在1.5～2.25之间,可以制得稳定的PAA纳米乳液.
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| 关 键 词： | 聚酰胺酸 纳米乳液 形成过程 影响因素 |
Formation and its Influencing Factors of Polyamic Acid Nano-emulsion |
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| LUO Xiao-lan,TONG Yue-jin,HU Bing-huan,GUAN Huai-min.Formation and its Influencing Factors of Polyamic Acid Nano-emulsion[J].Science Technology and Engineering,2009,9(8). |
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| Authors: | LUO Xiao-lan TONG Yue-jin HU Bing-huan GUAN Huai-min |
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| Institution: | College of Chemistry and Materials Science;Fujian Normal University;Fujian Key Laboratory of Polymer Materials;Fuzhou 350007;P.R.China |
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| Abstract: | Polyamic acid(PAA) nano-emulsions were formed by adding an amine and a non-solvent of PAA to a solution of PAA in turn.These droplets range in size from 50 to 100 nm supported by light-scattering particle size analyzer and transmission electron microscopy.The results showed that polyamic acid salt was of great importance for the formation of nano-emulsion.Further,the effects of varied amounts of components for polyamic acid,amine,and methonal on the nano-emulsion were investigated.To get a stable nano-emuls... |
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| Keywords: | polyamic acid nano-emulsion formation influencing factors |
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