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第 2 期                      张伟钢,等:  超疏水近红外吸收涂层的制备及性能表征                                    ·269·


            试。测试结果表明,涂层的附着力和耐冲击强度分                                 Earths, 2013, 31(11): 1102-1105.
                                   2
            别可达到 3 级和 0.3 kJ/m ,具有中等强度的力学性                     [5]   Qin Y S, Zhang M J, Guan Y, et al. Laser absorption and infrared
                                                                   stealth properties of Al/ATO composites[J]. Ceramics International,
            能,但相比传统聚氨酯/Sm 2 O 3 (40%)复合涂层的 1                       2019, 45(11): 14312-14315.
                        2
                                      [6]
            级和 0.4 kJ/m 具有一定差距 。其原因主要在于聚                       [6]   Zhang Weigang (张伟钢), Xu Guoyue (徐国跃), Xue Lianhai (薛连
                                                                   海 ). Preparation and near-infrared absorption properties of
            氨酯具有大量的异氰酸酯基、氨基、羟基等强极性                                 polyurethane/Sm 2O 3 composite coatings[J]. Infrared Technology (红
            键,可与马口铁基板间形成强的配位共价键结合,                                 外技术), 2016, 38(2): 102-106.
            从而使涂层具有较强的力学性能,而 PDMS 不具备                          [7]   Zhang Weigang (张伟钢), Wu Jiajia (吴佳佳). Near-infrared
                                                                   absorption and heat resistance of graphene modified polyurethane/
            上述极性基团,涂层的力学性能相对较弱。为此,                                 Sm 2O 3 composite coating[J]. Surface Technology (表面技术), 2018,
            后续研究可通过硅烷偶联剂对基板进行界面改性或                                 47(1): 39-44.
                                                               [8]   Kumar A, Gogoi B. Development of durable self-cleaning
            对 PDMS 进行其他树脂的共混改性来适当提高涂层
                                                                   superhydrophobic coatings for aluminium surface  via  chemical
            与基板间的界面结合强度,从而有望提高涂层的力                                 etching method[J]. Tribology International, 2018, 122: 114-118.
            学性能。                                               [9]   Wu X, Wyman I, Zhang G W, et al. Preparation of superamphiphobic
                                                                   polymer-based coatings  via spray- and dip-coating strategies[J].
                                                                   Progress in Organic Coatings, 2016, 90: 463-471.
            3    结论                                            [10]  Satapathy M,  Varshney P,  Nanda D,  et al. Fabrication of durable
                                                                   porous and non-porous superhydrophobic LLDPE/SiO 2 nanoparticles
                (1)以 PDMS 为粘合剂,Sm 2 O 3 颗粒为功能颜                     coatings with excellent self-cleaning property[J]. Surface & Coatings
            料所制备的 PDMS/Sm 2 O 3 复合涂层具有均一规整的                        Technology, 2018, 341: 31-39.
                                                               [11]  Li C L, Sun Y C, Cheng M, et al. Fabrication and characterization of
            微观表面结构,当涂层中 PDMS 和 Sm 2 O 3 质量比为                       a TiO 2/polysiloxane resin composite coating with full-thickness
            6:4 时,涂层对 1.06  μm 近红外光的反射率可低至                         super-hydrophobicity[J].  Chemical  Engineering Journal, 2018, 333:
                                                                   361-369.
            58.8%,具有良好的近红外吸收性能,涂层的水接触
                                                               [12]  Liu Y, Li S Y,  Zhang J J,  et al. Fabrication of biomimetic
            角为 113°,明显高于传统聚氨酯基近红外吸收涂层。                             superhydrophobic  surface  with  controlled  adhesion  by
                (2)PDMS/Sm 2 O 3 复合涂层的疏水性随着配方                      electrodeposition[J]. Chemical  Engineering Journal, 2014, 248:
                                                                   440-447.
            中纳米 SiO 2 添加量的增加略有增强,当纳米 SiO 2                     [13]  Wang Z, Shen X P, Yan Y T, et al. Facile fabrication of a PDMS @
            添加量为 8%时,涂层的水接触角为 116.5°,涂层对                           stearic acid-Al(OH) 3 coating on lignocellulose composite with
            1.06 μm 近红外光的反射率仍可保持在较低值 56.5%。                        superhydrophobicity and flame retardancy[J]. Applied Surface
                                                                   Science, 2018, 450: 387-395.
                (3)在 PDMS/Sm 2 O 3 涂层表面涂覆 PDMS/SiO 2           [14]  Jin M H, Feng X J, Xi J M, et al. Super-hydrophobic PDMS surface
            微纳结构层可形成乳突状微纳结构表面,从而可使                                 with  ultra-low  adhesive  force[J].  Macromolecular  Rapid
                                                                   Communications, 2005, 26(22): 1805-1809.
            涂层实现超疏水特性。经 SiO 2 质量分数为 30%的
                                                               [15]  Guo Yonggang (郭永刚), Geng Tie (耿铁), Wu Haihong (吴海宏), et
            PDMS/SiO 2 微纳结构层涂覆,PDMS/Sm 2 O 3 复合涂                   al. Fabrication and characterization of superhydrophobic polymer/
            层的水接触角可增大到 158°,滚动角可低至 4°,同                            hydrophobic SiO 2 composite coatings[J]. Chinese Journal of
                                                                   Materials Research (材料研究学报), 2013,27(4):439-443.
            时具有较低的 1.06 μm 近红外反射率(61.4%)性能。
                                                               [16]  Liu M H, Mao T Y, Zhang Y C, et al. General water-based strategy
                                                                   for the preparation of superhydrophobic coatings on smooth
            参考文献:                                                  substrates[J]. Industrial & Engineering Chemistry Research, 2017,
            [1]   Chen X L, Tian C H,Chen T P. Composite grating structure for laser   56: 13783-13790.
                 and infrared compatible stealth with high visible transmittance[J].   [17]  Chen J  Y, Zhong  X M, Lin J,  et al. The facile preparation of
                 Optik, 2019, 183: 863-868.                        self-cleaning fabrics[J]. Composites Science and Technology, 2016,
            [2]   Chen M, Li C F, Xu M, et al. Eye-protection glasses against YAG   122: 1-9.
                 laser injury on the band gap reflection of one-dimensional photonic   [18]  Zhang W Y, Lu C H, Ni Y R, et al. Preparation and characterization
                 crystal[J]. Optics and Laser Technology, 2007, 39(1): 214-218.     of Sm 2O 3/Cu mosaic structure with infrared absorptive properties and
            [3]   Golnabi H, Mahdieh M. Trend of laser research developments in   low infrared emissivity[J]. Materials Letters, 2012, 87: 13-16.
                 global level[J]. Optics and Laser  Technology, 2006, 38(2): 122-   [19]  Lü Dandan (吕丹丹), Chen Yongting (陈永婷), Zheng Jiandong (郑
                 131.                                              建东),  et al. Effect of  graphene  on the salt water resistance of
            [4]   Zhu Y Q, Han P  D, Zhang L,  et al. Optical property of SmAlO 3   polyurethane/Al-Sm 2O 3 composite coating[J]. Functional  Materials
                 applied as 1.06  μm laser  absorbing  material[J]. Journal of Rare     (功能材料), 2019, 50(3): 3147-3151, 3158.
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