Fabrication of UV–Curing Linalool–Polysiloxane Hybrid Films with High Refractive Index and Transparency

4区材料科学 Q2 Environmental Science

Journal of Renewable Materials Pub Date : 2023-12-28 DOI:10.32604/jrm.2023.046662

Wenqing Xiao, Lewen Tan, Xunjun Chen, Qiaoguang Li, Yunqing Ruan

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引用次数: 0

Abstract

In this article, a series of high refractive indices (1.50–1.53) thiol phenyl polysiloxane (TPS) were synthesized via hydrolytic sol–gel reaction. The Fourier transform infrared spectra (FT–IR) and nuclear magnetic resonance spectra (NMR) results showed that TPS conformed to the predicted structures. Natural terpene linalool was exploited as photocrosslinker to fabricate UV–curing linalool–polysiloxane hybrid films (LPH) with TPS via photoinitiated thiol–ene reaction. LPH rapidly cured under UV irradiation at the intensity of 80 mW/cm² in 30 s, exhibiting good UV–curing properties. The optical transmittance of LPH in the wavelength of 300–800 nm was over 90%, exhibiting good optical transparency. The water contact angle and water vapor permeability results showed that the introduction of phenyl groups enhance the hydrophobicity and water vapor barrier properties of LPH. The results indicated the potential of LPHs in the applications of optical functional coatings.

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高折射率高透明紫外光固化芳樟醇-聚硅氧烷杂化膜的制备

采用溶胶-凝胶水解反应合成了一系列高折射率（1.50-1.53）的巯基聚硅氧烷（TPS）。傅里叶变换红外光谱（FT-IR）和核磁共振光谱（NMR）结果表明，TPS符合预测结构。以天然萜烯芳樟醇为光交联剂，通过光引发巯基烯反应制备了紫外光固化芳樟醇-聚硅氧烷杂化膜。在80mw /cm2强度的紫外照射下，LPH在30s内快速固化，具有良好的光固化性能。LPH在300 ~ 800 nm波长的透光率超过90%，具有良好的光学透明性。水接触角和水蒸气渗透性结果表明，苯基的引入增强了LPH的疏水性和水蒸气阻隔性。结果表明LPHs在光学功能涂层中的应用潜力巨大。

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来源期刊

Journal of Renewable Materials Materials Science, Composites; Polymer Science; Green & Sustainable Science & Technology-

CiteScore

4.10

自引率

0.00%

发文量

125

期刊介绍： This journal publishes high quality peer reviewed original research and review articles on macromolecules and additives obtained from renewable/biobased resources. Utilizing a multidisciplinary approach, JRM introduces cutting-edge research on biobased monomers, polymers, additives (both organic and inorganic), their blends and composites. JRM showcases both fundamental aspects and applications of renewable materials. The fundamental topics include the synthesis and polymerization of biobased monomers and macromonomers, the chemical modification of natural polymers, as well as the characterization, structure-property relationships, processing, recycling, bio and environmental degradation and life cycle analysis of the ensuing materials, in view of their potential applications. Within this sustainability approach, green chemistry processes and studies falling within biorefinery contexts are strongly favored.