卷對卷紫外微納壓印超疏水薄膜的技術(shù)及裝置研究
[Abstract]:As a research focus in the field of materials, superhydrophobic materials have excellent self-cleaning effect, can effectively reduce the adhesion of all kinds of dust, ice and snow, particulate matter, water saving, energy saving, prolonging the service life of materials are of great practical significance, and have a wide range of application prospects in construction, transportation, energy, medical, clothing and other industries. In order to prepare superhydrophobic surface materials in large area and batch, a new type of roll-to-roll ultraviolet micro-nano imprinting technology has been developed and the corresponding device has been developed in this paper. The fine micron graphics on the master plate are transferred to the target flexible substrate by roll-to-roll micro-nano imprinting and rapid photocuring UV curing limb, without complex preparation process or harsh clean processing environment, the rapid, efficient and batch preparation of superhydrophobic thin films is realized. In this paper, the roll-to-roll UV micro-nano imprinting process applied to the preparation of superhydrophobic thin films and the mechanical function modules designed for each process are discussed, and the photocuring adhesive suitable for UV micro-nano imprinting is prepared. The microstructure array of 30 渭 m * 30 渭 m * 60 渭 m (diameter * column height * spacing) was copied by using UV curing adhesive with improved optical and mechanical properties. The water contact angle of the microstructured thin film was close to 150 擄after fluoride treatment. Finally, the T-like micro-nano structure array is prepared by using the device to obtain better hydrophobic surface materials. In addition, the demoulding process of imprint template and transfer rubber layer is the key to the success of roll-to-roll micro-nano imprinting. In this paper, the demoulding conditions are analyzed theoretically.
【學位授予單位】:浙江大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TB306
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