[ { "id": 1, "chunk": "Supporting Information", "category": " References" }, { "id": 2, "chunk": "# Preparation of Antifog Hard Coatings Based on CarboxyFunctionalized Polyhedral Oligomeric Silsesquioxane Crosslinked with Oligo(ethylene glycol)s \n\nJun Nakagawa, Seiya Morinaga, and Yoshiro Kaneko\\* \n\nGraduate School of Science and Engineering, Kagoshima University, Kagoshima 890-0065, Japan \n\n\\*Corresponding author, E-mail: ykaneko@eng.kagoshima-u.ac.jp (Y. Kaneko) \n\n![](images/a623f7e192f5ea2d04ade73675ae826b2d6e3b8eadd9c1d43e6c90742ad3b7a7.jpg) \nFigure S1. $\\mathrm{^{1}H}$ NMR spectrum of POSS-C in DMSO- $\\cdot d_{6}$ . The chemical shifts were referenced to DMSO (δ 2.5). \n\n![](images/8d9edb5995a44e3fee95231d763fc832fcd565d23869530e2c2341440722211f.jpg) \nFigure S2. $^{29}\\mathrm{Si}$ NMR spectrum of POSS-C in DMSO- $.d_{6}$ at $40^{\\circ}\\mathrm{C}$ . A small amount Cr(acac)3 was added as a relaxation agent. The chemical shifts were referenced to TMS (δ 0.0). \n\n
HO H nn=1n=2n=3n=4n=5n=6
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COOH OH (POSS-C) (OEG) 1 1Kagoshima Unive agoshima Univer Kagoshima Univeagoshima Univ agoshima Uni agoshima Univeagoshima Univer agoskima Universgoshima Unive 0hima UnivKagoshima Univ Kagoshima Univ
\n\n![](images/e90f5889a03a5d963ac9bf14212c7b24110fdf938bf479c953e898e488da9e8c.jpg) \nFigure S3. Appearance of POSS-C/OEG coatings. \nFigure S4. UV-Vis spectra of a glass substrate and POSS-C/OEG coating $(n=4$ , $\\mathrm{COOH}{\\mathrm{:OH}}=2{:}1\\$ ). \n\n![](images/574f1c663d94875dab0e942126a18b17caacb78034479429c9b40c1a74d05638.jpg) \nFigure S5. (a) SEM image and (b) EDX pattern of POSS-C/OEG coating $(n=4$ , $\\mathrm{COOH}{\\mathrm{:OH}}=2{:}1$ ). \n\n![](images/eee1544f23012fb89597507b45a36d666a6c61af011a8877c1c50e54c07ddab4.jpg) \nFigure S6. Photo of the equipment used for antifogging evaluation.", "category": " Materials and methods" } ]