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氟硅氧烷共聚及表面性能的研究摘要本文通过自由基溶液聚合的方法采用全氟辛基三乙氧基硅烷(PFAS)、-γ(2,3-环氧丙氧基)丙基三甲氧基硅烷(GPTMS)和正硅酸乙酯（TEOS），通过溶胶－凝胶法制备了一种分子级复合、均质透明的包含碳硅双主链结构，侧链引入一定浓度的CF3基团的氟硅氧烷低聚物。详细研究了不同PFAS/TEOS比例对共聚物材料表面润湿性能的影响。傅里叶红外光谱（FT-IR）,扫描电镜(SEM)和X射线光电子能谱分析（XPS）分析结果表明，本文所制备的氟硅氧烷共聚材料是一种分子级复合、均质透明的分别以碳和硅为主链的并行双主链结构的低聚物杂化材料。实验发现，CF3基团在材料表面富集程度高，表面疏水性能好。表面氟含量的降低将导致CF3基团含量下降，影响材料的疏水性能。关键词：氟硅氧烷共聚物；接触角；分子量；表面能SynthesisandSurfacePropertiesofFluorosiliconeCopolymersAbstractThisradicalsolutionpolymerizationmethodbyusingperfluorooctanetriethoxysilane(PFAS),-γ(2,3-epoxypropoxy)trimethoxysilane(GPTMS)andTEOS(TEOS),throughthesol-gelmethod,amolecularcompound,homogeneousandtransparentdoublemainchaincontainingcarbon-siliconstructure,sidechaintointroduceacertainconcentrationoffluorideCF3groupssiloxaneoligomers.DetailedstudyofthedifferentPFAS/TEOSmolarratioonthecopolymersurfacewettability.Fouriertransforminfraredspectroscopy(FT-IR),scanningelectronmicroscopy(SEM)andX-rayphotoelectronspectroscopy(XPS)analysisresultsshowthatthepreparedmaterialisafluorosiloxanecopolymermolecularcompound,homogeneousandtransparentRespectivelythemainchainofcarbonandsiliconparalleldoublemain-chainstructureoftheoligomerhybridmaterial.Itwasfoundthat,CF3groupsinahighdegreeofsurfaceenrichment,surfacehydrophobicityandgoodperformance.ReducethefluorinecontentofthesurfacewillresultindecreasedCF3groups,thehydrophobicpropertiesofmaterials.KeyWords：Fluorosiliconecopolymer；Contactangle；Molecularweight；Surfaceenergy目录摘要........................................................................................................................IAbstract.......................................................................................................................II前言................................................................................................................................5第1章文献综述............................................................................................................61.1以有机硅树脂为基料的低表面能材料...........................................................71.2有机氟低表面能材料.......................................................................................81.3硅-氟树脂低表面能材料.................................................................................91.4含氟硅聚合物的合成[29-33].........................................................................101.4.1乳液聚合..............................................................................................111.4.2溶液聚合..............................................................................................111.4.3本体聚合..............................................................................................141.4.4氢化硅烷化反应..................................................................................141.5含氟硅聚合物的应用....................................................................................151.5.1氟硅涂料..............................................................................................151.5.2脱膜剂..................................................................................................151.5.3织物、皮革、纸张的整理剂..............................................................151.5.4润滑剂..................................................................................................161.5.5舰船防腐防污......................................................................................161.5.6表面活性剂领域..................................................................................161.5.7小结.......................................................................................................17第2章实验方法及表征手段......................................................................................182.1实验仪器.........................................................................................................182.2实验材料和试剂.............................................................................................192.22.3性能表征...................................................................................................192.3.1共聚物结构分析...................................................................................192.3.2共聚物微观结构分析..........................................................................192.3.3表面的元素分析..................................................................................192.3.4润湿性..................................................................................................192.4实验步骤.........................................................................................................192.4.1基材预处理..........................................................................................192.4.2聚合......................................................................................................202.4.3杂化材料制备......................................................................................20第3章氟硅氧烷共聚结构与形貌..............................................................................213.1共聚物结构分析.............................................................................................213.2共聚物微观结构分析..........