Page 67 - 精细化工2020年第2期
P. 67
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.