醇/水共溶劑取代毒性有機溶劑溶解壓克力進行精密塗佈製作高分子塗膜

Use of alcohol/water co-solvents instead of toxic organic solvents to dissolve acrylic polymers for preparing polymer coatings by accurate coating.

劉雲平(Yun-Ping Liu)

指導教授 ： 張朝欽

淡江大學/工學院/化學工程與材料工程學系碩士班/碩士(2021年)

https://doi.org/10.6846/TKU.2021.00628

摘要

以精密塗佈技術製作薄膜已在許多方面有應用，但所使用溶劑許多為有毒溶劑。本研究利用1-甲氧基-2-丙醇及丙二醇甲基醚乙酸酯溶解聚甲基丙烯酸甲酯及聚甲基丙烯酸乙酯。1-甲氧基-2-丙醇/水共溶劑雖然能將高分子溶解，但旋轉塗佈的薄膜穿透率不佳，而丙二醇甲基醚乙酸酯能夠有效的溶解高分子，在旋轉塗佈後，有良好的穿透率。薄膜的厚度符合h=〖Ac〗^a ω^(-b)的經驗式。另外，研究中以丙二醇甲基醚乙酸酯溶解聚甲基丙烯酸甲酯作浸漬塗佈法，分析不同提拉速度、濃度及溫度下薄膜厚度的變化，以及利用Landau - Levich理論分析，建立出薄膜厚度方程式。觀察到無因次通量J會隨著高分子溶液濃度上升而下降，但會隨塗佈溫度下降而下降。

關鍵字

聚甲基丙烯酸甲酯 ； 聚甲基丙烯酸乙酯 ； 旋轉塗佈 ； 浸漬塗佈 ； 高分子薄膜 ； 1-甲氧基-2-丙醇 ； 丙二醇甲基醚乙酸酯

並列摘要

The production of thin films with precision mixing technology has been applied in many ways, but many of the solvents used are toxic solvents. In this study, propylene glycol methyl ether (PM) and propylene glycol methyl ether acetate (PGMEA) were used to dissolve polymethyl methacrylate (PMMA) and polyethyl methacrylate (PEMA). Although the PM/water co-solvent can dissolve the polymer, the transmittance of the prepared thin film was not good, PGMEA can dissolve the polymer, and the prepared thin films were highly transparent. The thickness of the film conforms to the empirical formula of h=〖Ac〗^a ω^(-b). In addition, PMMA thin films were prepared by dip coating, the changes in film thickness under different pulling speeds, concentrations and temperatures, and using Landau-Levich theoretical analysis was employed to establish the film thickness equation. It was observed that the dimensionless flux J decreased as the polymer solution concentration increased, but it decreased as the coating temperature decreased.

並列關鍵字

PMMA ； PEMA ； spin-coating ； dip-coating ； PM ； PGMEA ； Polymer film

參考文獻

[1] 環境保護署, "國家化學物質管理政策綱領," 行政院. 行政院院臺環字第1070008670 號函核定, 2018.

[2] H. Yamamoto., "Radiation-induced synthesis of metal nanoparticles in ethers THF and PGMEA," J Radiation Physics Chemistry, vol. 91, pp. 148-155, 2013.

[3] A. Boudrioua, M. Chakaroun, and A. Fischer, An Introduction to Organic Lasers. Elsevier, 2017.

[4] M. A. Aegerter and M. Mennig Eds, Sol-gel technologies for glass producers and users. Springer Science & Business Media, 2004.

[5] L. Scriven, "Physics and applications of dip coating and spin coating," MRS Online Proceedings Library Archive vol. 121, 1988.