利用AFM轻敲模式(tapping mode)下的相位成像技术,对PMMA/PBA核壳乳胶及具有相同聚合物组分的共混乳胶成膜后的涂膜形貌进行了比较研究,发现核壳乳胶成膜后,由PMMA组成的硬核呈岛状均匀分布于由PBA组成的软壳融合后形成的连续相中,而对于共混乳胶,由于乳胶粒子间容易发生聚结,其成膜后PMMA乳胶粒子未能均匀分散形成海岛结构.不同粒子形态的乳胶其涂膜的透光性、摆杆硬度等也存在着明显差别.
参考文献
| [1] | JOSEPH L;KEDDIE .Film formation of latex[J].Materials Science and Engineering,1997,21:101-170. |
| [2] | 林宣益.乳胶漆的成膜机理[J].中国涂料,2004(05):43-45. |
| [3] | Alexander F. Routh;William B. Russel .Deformation Mechanisms during Latex Film Formation: Experimental Evidence[J].Industrial & Engineering Chemistry Research,2001(20):4302-4308. |
| [4] | 霍东霞,刘大壮,孙培勤.核壳型聚丙烯酸丁酯/聚（苯乙烯-甲丙烯酸甲酯） 乳胶粒子形态设计及模拟[J].高分子学报,2000(01):55-60. |
| [5] | Kirsch S.;Stubbs J.;Sundberg D.;Pfau A. .Control of particle morphology and film structures of carboxylated poly (n butylacrylate)/poly (methyl methacrylate) composite latex particles[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2001(0):725-737. |
| [6] | 曾重,郭朝霞,于建.核壳纳米复合粒子的结构设计、制备与表面反应功能化[J].石油化工,2006(02):103-112. |
| [7] | MAGONOV S N;ELINGS V B;WHANGHO M H .Phase imaging and stiffness in tapping-mode atomic force microscopy[J].Surfa-ce Science,1997,375:385-391. |
| [8] | 李渊,钱建强,徐平,李亭,蔡微,姚骏恩.原子力显微镜相位成像模式的设计及研究[J].电子显微学报,2006(04):341-344. |
| [9] | YONGCAI WANG;DIDIER JUHUE;MITCHELL A.Atomic Force microscopy study of latex film formation[J].Langmuir,1992(08):760-762. |
| [10] | 刘振作.涂膜硬度试验的技术进展[J].上海涂料,2002(01):30-32. |
| [11] | MURAT CANPOLAT;OODER PEKCAN .Healing and interdiffusion processes at particle junction during film formation from high-Tg latex particles[J].Polymer,1995,36:2025-2031. |
| [12] | 卞明哲.聚合物乳液的成膜[J].江苏建材,2002(01):6-10. |
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