[
    {
        "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<html><body><table><tr><td>HO H n</td><td>n=1</td><td>n=2</td><td>n=3</td><td>n=4</td><td>n=5</td><td>n=6</td></tr><tr><td>COOH OH (POSS-C) (OEG) 5 ： 1</td><td>goshima University goshima University goshima University</td><td>goshima University goshima Universil goshima University</td><td>ima University ima University</td><td>shima University shima University shima University</td><td>shima University shima University shima University</td><td>oshima University oshima University oshima University</td></tr><tr><td>COOH OH (POSS-C) (OEG) 2 1</td><td>Kagoshima Univer Kagoshima Univ agoshima Unive</td><td>Kagoshima Univ Kagoshima Uni</td><td>Universi</td><td>oshima shima University shima Univers</td><td>goshima Universit goshin goshimaUniver</td><td>agoshima Univers agoshima Univers agoshima Univers</td></tr><tr><td>COOH OH (POSS-C) (OEG) 1 1</td><td>Kagoshima Unive agoshima Univer Kagoshima Unive</td><td>agoshima Univ agoshima Uni agoshima Unive</td><td>agoshima Univer agoskima Univers</td><td>goshima Unive 0</td><td>hima Univ</td><td>Kagoshima Univ Kagoshima Univ</td></tr></table></body></html>  \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"
    }
]