1. 毕业设计（论文）的内容和要求

本课题为理论与实际结合的课题。

二氧化钛(tio2)是一种稳定的无毒紫外光吸收剂，具有稳定、价廉、易于回收，光催化活性好、对光散射力强、着色力高、遮盖力大、白度好、消色力强、折射率高、化学惰性高，具有很好的电、热性能， 对人体无毒、无害等突出优势，因此应用领域十分广泛。

但是tio2颗粒太小，表面能高，易发生团聚，呈现热力学不稳定状态,且tio2颗粒表面布满羟基(-oh)，表面呈现亲水状态。

2. 参考文献

[1] Yanli Qi, Bo Xiang, Wubin Tan, Jun Zhang. Hydrophobic surface modification of TiO2 nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO2 composited cool materials [J]. Applied Surface Science, 2017, 419: 213-223. [2] Xu C, Fang L, Huang Q, et al. Preparation and surface wettability of TiO2 nanorod films modified with triethoxyoctylsilane [J]. Thin Solid Films, 2013, 531: 255-260. [3] Yanli Qi, Suoshi Zhu, Jun Zhang .The incorporation of modified Sb2O3 and DBDPE: A new member of high solar-reflective particles and their simultaneous application in next-generation multifunctional cool material with improved flame retardancy and lower wetting behaviour [J]. Energy Buildings , 2018, 172: 47-56. [4] Shen G X, Chen Y C, Lin L, et al. Study on a hydrophobic nano-TiO2 coating and its properties for corrosion protection of metals [J]. Electrochimica Acta, 2005, 50(25): 5083-5089. [5] Mhaisagar Y S, Joshi B N, Mahajan A M. Mechanical properties of surface modified silica low-k thin films [J]. Microelectronic Engineering, 2014, 114: 112-116. [6] Nosrati R, Olad A, Nofouzi K. A self-cleaning coating based on commercial grade polyacrylic latex modified by TiO2/Ag-exchanged-zeolite-A nanocomposite [J]. Applied Surface Science, 2015, 346: 543-553. [7] Petcu C, Nistor C L, Purcar V, et al. Facile preparation in two steps of highly hydrophobic coatings on polypropylene surface [J]. Applied Surface Science, 2015, 347: 359-367. [8] Gao Z, Zhai X, Liu F, et al. Fabrication of TiO2/EP super-hydrophobic thin film on filter paper surface [J]. Carbohydrate polymers, 2015, 128: 24-31. [9] Yang X, Zhu L, Chen Y, et al. Preparation and characterization of hydrophilic silicon dioxide film on acrylate polyurethane coatings with self-cleaning ability [J]. Applied Surface Science, 2015. [10] Kapridaki C, Maravelaki-Kalaitzaki P. TiO2#8211;SiO2#8211;PDMS nano-composite hydrophobic coating with self-cleaning properties for marble protection [J]. Progress in Organic Coatings, 2013, 76(2): 400-410. [11] Pazokifard S, Farrokhpay S, Mirabedini M, et al. Surface treatment of TiO2 nanoparticles via sol#8211;gel method: Effect of silane type on hydrophobicity of the nanoparticles [J]. Progress in Organic Coatings, 2015, 87: 36-44. [12] Levinson R, Berdahl P, Akbari H, et al. Methods of creating solar-reflective nonwhite surfaces and their application to residential roofing materials [J]. Solar Energy Materials and Solar Cells, 2007, 91(4): 304-314. [13] Singh S, Mahalingam H, Singh P K. Polymer-supported titanium dioxide photocatalysts for environmental remediation: A review [J]. Applied Catalysis A: General, 2013, 462: 178-195. [14] Santamouris M, Synnefa A, Karlessi T. Using advanced cool materials in the urban built environment to mitigate heat islands and improve thermal comfort conditions [J]. Solar Energy, 2011, 85(12): 3085-3102. [15] Liang Y L, Moghbelli E, Sue H J, et al. Effect of high temperature annealing on scratch behavior of acrylonitrile styrene acrylate copolymers [J]. Polymer, 2012, 53(2): 604-612. [16] 李小刚. 硅烷偶联剂KH-570湿法改性 TiO2 的结构与性能研究 [J]. 粘接, 2012, 33(9): 39-41. [17] 王百年, 何晓婷, 刘磊. 二氧化钛的疏水改性及其表征 [J]. 化学工业与工程技术, 2013, 34(4): 36-40. [18] 何丽红, 周超, 李力, 等. 硅烷偶联剂表面改性二氧化钛粒子超疏水性能 [J]. 精细化工, 2014, 9: 002. [19] 刘立华. 二氧化钛的表面改性处理及表征 [J]. 首都师范大学学报, 2018, 39(2): 49-53. [20] 赵献峰, 智良. 纳米TiO2表面包覆改性的研究 [J]. 山西化工, 2017, 37(4):8- 20.

3. 毕业设计（论文）进程安排

12.21-1.18 文献查阅及文献翻译 1.19-2.24 完成开题报告 2.25-4.22 实验工作 4.23-4.29 论文中期检查 4.30－6.10 进行实验并撰写论文 6.11-6.14 论文答辩