以仿生結構製作抗紫外線之生物分解性透明薄膜及其製法

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

107140409

專利證號

I 670303

專利獲證名稱

以仿生結構製作抗紫外線之生物分解性透明薄膜及其製法

專利所屬機關 (申請機關)

國立虎尾科技大學

獲證日期

2019/09/01

技術說明

一般眼鏡或隱形眼鏡若要達到抗紫外線功能通常都是以添加紫外線阻隔劑為主，而阻隔劑會隨著紫外線劑量累積而鏡片老化或降解，進而降低其抗紫外線之能力。本專利透過仿生學的思考，利用昆蟲外表奈米陣列結構能反射出特定光波長的概念來製作無染料添加之抗紫外線生物分解性透明薄膜。以無乳化方式聚合所需之聚苯乙烯奈米球後，再運用Langmuir-blodgett (LB)沉積方式將其排列成單及多層的緊密陣列做為反射紫外光之模板。隨後將改質後之蠶絲絲素蛋白以奈米壓印方式翻模製作出反蛋白石結構物，即可獲得抗紫外光的生物分解性透明薄膜。UV absorbing agents are often used to resist the ultraviolet radiation for most of the glasses and contact lenses. However, aging and degradation still occurred in lens after a long period time of ultraviolet exposure. In this patent, a UV-absorbing agent-free anti-ultraviolet biodegradable transparent film was prepared through the bioinspired nanoarray structure from the surface of insects which could reflect specific wavelength of light. The desired pore size of the nanoarray to reflect the specific wavelength could be calculated by Bragg-Snell's Law. Polystyrene (PS) nanosphere were synthesized by emulsifier-free emulsion polymerization, and different layers of opal array of the PS nanospheres were assembled by the Langmuir-Blodgett (LB) deposition method. Casting the modified silk fibroin (SF) solution into the voids of the PS opal array, and removing the enclosed opal array from the SF surrounded PS array by solvent, then an anti-ultraviolet biodegradable transparent film with inverse opal structure was obtained.

備註

本部(收文號1110033626)同意該校111年6月9日虎科大智財字第1113400059號號函申請終止維護專利(國立虎尾科技大學)

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