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Journal articles on the topic 'Self-cleaning effect'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 April 2022

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1

Zhang, Mingqian, Shile Feng, Lei Wang, and Yongmei Zheng. "Lotus effect in wetting and self-cleaning." Biotribology 5 (March 2016): 31–43. http://dx.doi.org/10.1016/j.biotri.2015.08.002.

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2

Meng, Fantao, Gang Luo, Ivan Maximov, et al. "Efficient methods of nanoimprint stamp cleaning based on imprint self-cleaning effect." Nanotechnology 22, no. 18 (2011): 185301. http://dx.doi.org/10.1088/0957-4484/22/18/185301.

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3

Hu, Hai Xia. "Research and Application of Nanometer Material Self-Cleaning Agent on Textile Fabrics." Advanced Materials Research 441 (January 2012): 337–41. http://dx.doi.org/10.4028/www.scientific.net/amr.441.337.

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By researching on the self-cleaning characteristic of nanometer material, and the dispersion and stability of nanometer particle, a kind of environmentally friendly nanometer finishing agent was exploited and developed. Application results of this nanometer self-cleaning agent on textile fabrics showed that this finishing agent had self-cleaning effect to remove capsicum oil. Generally speaking, over 10% dosage of nanometer material finishing agent would allow the self-cleaning effect completely in 24 hours. Meanwhile, after being finished with this self-cleaning agent, the fabric wearabilitie
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4

Shen, Yan Qin, and Hai Liang Wu. "The Photo-Catalytic Activity of Cu2+-Doped TiO2 and Applications in the Self-Cleaning Performance of Textile Wall Fabrics." Advanced Materials Research 557-559 (July 2012): 1475–78. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.1475.

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TiO2 photocatalyst and copper-doped titania (Cu/TiO2) photocatalyst were prepared and both photocatalysts were used in the self-cleaning finishing of wall fabrics. XRD showed that the nanometer materials and textile wall fabrics were a good combination. By comparing the self-cleaning effects of two kinds of photocatalysts, the results demonstrate that textile wall fabrics finished with Cu2+-doped TiO2 photocatalyst have better self-cleaning effect under visible light.
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5

Youngblood, Jeffrey P., and Nancy R. Sottos. "Bioinspired Materials for Self-Cleaning and Self-Healing." MRS Bulletin 33, no. 8 (2008): 732–41. http://dx.doi.org/10.1557/mrs2008.158.

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AbstractBiological systems have the ability to sense, react, regulate, grow, regenerate, and heal. Recent advances in materials chemistry and micro- and nanoscale fabrication techniques have enabled biologically inspired materials systems that mimic many of these remarkable functions. This issue of MRS Bulletin highlights two promising classes of bioinspired materials systems: surfaces that can self-clean and polymers that can self-heal. Self-cleaning surfaces are based on the superhydrophobic effect, which causes water droplets to roll off with ease, carrying away dirt and debris. Design of t
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6

Bhushan, Bharat, Yong Chae Jung, and Kerstin Koch. "Micro-, nano- and hierarchical structures for superhydrophobicity, self-cleaning and low adhesion." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 367, no. 1894 (2009): 1631–72. http://dx.doi.org/10.1098/rsta.2009.0014.

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Superhydrophobic surfaces exhibit extreme water-repellent properties. These surfaces with high contact angle and low contact angle hysteresis also exhibit a self-cleaning effect and low drag for fluid flow. Certain plant leaves, such as lotus leaves, are known to be superhydrophobic and self-cleaning due to the hierarchical roughness of their leaf surfaces. The self-cleaning phenomenon is widely known as the ‘lotus effect’. Superhydrophobic and self-cleaning surfaces can be produced by using roughness combined with hydrophobic coatings. In this paper, the effect of micro- and nanopatterned pol
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7

Genzer, Jan, and Abraham Marmur. "Biological and Synthetic Self-Cleaning Surfaces." MRS Bulletin 33, no. 8 (2008): 742–46. http://dx.doi.org/10.1557/mrs2008.159.

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AbstractIn this contribution, we briefly discuss how various physicochemical properties of surfaces affect the wettability and self-cleaning character of both naturally occurring and synthetic surfaces. Using a few selected examples from nature, we discuss the superhydrophobic effect and antifouling character of such surfaces and how these properties are associated with variations in surface chemical composition and topography. We also review a few special case studies aimed at adopting these biomimetic schemes to design and fabricate functional self-cleaning surfaces.
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8

Zhang, Zhan Guo, Li Xia Sun, Xiao Yong Liu, Jian Yong Li, and Xiang Yan Lv. "Research on the Self-Cleaning Sole Cleaner." Key Engineering Materials 561 (July 2013): 581–84. http://dx.doi.org/10.4028/www.scientific.net/kem.561.581.

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The self-cleaning sole cleaner designed in this paper is a kind of cleaning device widely used in large public places. It possesses functions such as washing, wiping, drying and self cleaning, and so can thoroughly clean sole. It is chiefly composed of pressure washing unit and self-cleaning wiping unit. The device washes the sand and mud adhered to sole by the pressure water coming out of the pressure cleaning head at first, and then wipes off the sole sewage by the wiping unit, finally dries sole. Main advantages of the cleaner are concluded to simple structure, good cleaning effect, energy
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9

Mohammed S., Selim. "Superhydrophobic Self-cleaning Surfaces in Nature." Nanoarchitectonics 1, no. 1 (2020): 26–37. http://dx.doi.org/10.37256/nat.112020121.26-37.

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A global interest was awarded to study the natural superhydrophobic surfaces since the description of the Lotus Effect by Barthlott and Neinhuis in 1997. Natural biomimetic surface merits of micro/nano-roughness, water contact ˃ 150°, sliding angles ˂10°, and minimized free-energy characteristics would motivate the dynamic fabrication of superhydrophobic surfaces. This critical review introduces an architectural panorama of numerous structural designs of natural superhydrophobic surfaces. Also, it discussed the fundamentals of self-cleaning and wetting theories to develop superhydrophobic stru
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10

Khan, Muhammad Qamar, Hoik Lee, Jun Mo Koo, et al. "Self-cleaning effect of electrospun poly (1,4-cyclohexanedimethylene isosorbide terephthalate) nanofibers embedded with zinc oxide nanoparticles." Textile Research Journal 88, no. 21 (2017): 2493–98. http://dx.doi.org/10.1177/0040517517723026.

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This study examined the photocatalytic self-cleaning of novel nanofibers of co-polyester poly(1,4-cyclohexanedimethylene isosorbide terephthalate) (PICT). To obtain the self-cleaning property, zinc oxide (ZnO) nanoparticles were blended into the solution of PICT at five different concentrations. The morphology of the nanofibers was analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and the degradation spectrum of the target dyes was confirmed by Fourier Transform Infrared (FT-IR) spectroscopy. Especially in the TEM images, there was clear evidence of a u
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11

He, Bei, Yingli Gao, Liangchen Qu, Kairui Duan, Wenjuan Zhou, and Ganpeng Pei. "Characteristics analysis of self-luminescent cement-based composite materials with self-cleaning effect." Journal of Cleaner Production 225 (July 2019): 1169–83. http://dx.doi.org/10.1016/j.jclepro.2019.03.291.

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12

Bengtsson, N., and M. Castellote. "Heterogeneous photocatalysis on construction materials: effect of catalyst properties on the efficiency for degrading NOx and self cleaning." Materiales de Construcción 64, no. 314 (2014): e013. http://dx.doi.org/10.3989/mc.2014.06713.

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13

Metanawin, Siripan, Napatson Soonthonpinit, and Tanapak Metanawin. "The Effect of Coupling Agent on the Self-cleaning Ability of Nanowire Zinc Oxide-poly(butylene terephthalate) Fibers." International Journal of Materials, Mechanics and Manufacturing 5, no. 1 (2017): 6–10. http://dx.doi.org/10.18178/ijmmm.2017.5.1.278.

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14

Long, Mingce, Deyong Wu, and Cai Weimin. "Photoinduced Hydrophilic Effect and its Application on Self-Cleaning Technology." Recent Patents on Engineering 4, no. 3 (2010): 189–99. http://dx.doi.org/10.2174/187221210794578619.

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15

Coniglio, N., S. Mezghani, M. El Mansori, and J. Cabrero. "Effect of nano-penning surface texturing on self-cleaning function." Surface and Coatings Technology 353 (November 2018): 126–34. http://dx.doi.org/10.1016/j.surfcoat.2018.07.103.

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16

Rubenchik, Alexander M., Michail P. Fedoruk, and Sergei K. Turitsyn. "The effect of self-focusing on laser space-debris cleaning." Light: Science & Applications 3, no. 4 (2014): e159-e159. http://dx.doi.org/10.1038/lsa.2014.40.

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17

Han, Chun, Lei Zhao, Manying Zhang, Lin Pan, and Zhifeng Liu. "Synthesis and Self-Cleaning Property of TiO2 Thin Film Doping with Fe3+, Al3+, Ce3+ Ions." Journal of Nanoscience and Nanotechnology 20, no. 7 (2020): 4084–91. http://dx.doi.org/10.1166/jnn.2020.17691.

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Enhancing the response to visible light and inhibiting recombination of photogenerated electrons and holes is a key point for strongly improved self-cleaning performances of TiO2 self-cleaning films. In this work, TiO2 thin film doping with three different ions (Fe3+, Al3+, Ce3+) on glass substrate respectively by sol–gel method to explore the effect of ions on self-cleaning performance of TiO2 thin films. All the prepared samples are characterized by XRD, SEM, UV-Vis and water contact angle tester. Moreover, the self-cleaning mechanism of doping TiO2 thin film is discussed. The water contact
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18

Li, Shuang, Wei Guo Dong, and Jan Hui Ma. "A Study on the Self-Cleaning effect of the Cotton with Nano-TiO2." Advanced Materials Research 821-822 (September 2013): 440–45. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.440.

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Immerse cotton fabric into the TiO2 sol directly, which is produced by Titanate hydrolysis. Make cotton fabric and nano-TiO2 bind directly, so that the treated cotton fabric obtain a better decomposition of organic stains function. Combination fastness of fabric and TiO2 , self-cleaning function , regain , breaking strength , permeability , wrinkle recovery angle were tested.The results showed that: the fabric coated with nano-TiO2 has a self-cleaning function, good fastness, wrinkle recovery angle increases, moisture regain, tensile strength and permeability decrease slightly.
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19

Thys, Susanne D., Robert A. Hakvoort, Joyce Asseler, Alfredo L. Milani, Astrid Vollebregt, and Jan Paul Roovers. "Effect of pessary cleaning and optimal time interval for follow-up: a prospective cohort study." International Urogynecology Journal 31, no. 8 (2020): 1567–74. http://dx.doi.org/10.1007/s00192-019-04200-8.

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Abstract Introduction and hypothesis The objective of this study was to determine the efficacy of routine follow-up visits for pessary cleaning, the effect of extended time intervals between visits and the proportion of patients being able to self-manage their pessary for pelvic organ prolapse (POP). Methods We conducted a prospective cohort study in patients with a stage ≥II POP without previous POP surgery. All patients received a pessary as primary treatment. Our main outcome measure was a difference ≥2 in median visual analogue scale (VAS) scores (for pain, discharge, irritation) 1 week be
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20

DUMITRESCU, IULIANA, OVIDIU-GEORGE IORDACHE, CORNELIA-ELENA MITRAN, et al. "Attempts to improve the self-cleaning effect of the textile materials." Industria Textila 71, no. 03 (2020): 252–58. http://dx.doi.org/10.35530/it.071.03.1626.

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The objective of this study is to investigate the methods to create durable self-cleaning textiles by coating fabrics with TiO2-(1%)Fe-N-graphene (2%). To improve the adherence of the nanoparticles, the polyester/cotton woven fabrics were pre-treated with polyacrylic acid (PA), carboxymethylcellulose (CMC) and polyethylene polyamine resin (EZF). The pre-treated materials were immersed in a doped TiO2 for 30 minutes at 40oC and dried at 125oC. The finished fabrics were stained with methylene blue dye and exposed to visible light. The SEM images show the presence of particles on polymers layers
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21

Kim, Uk Su, and Jeong Woo Park. "Self-cleaning Using Hydrophilic Effect by Electrochemical Polishing of STS304 Mesh." Journal of the Korean Society of Manufacturing Technology Engineers 26, no. 6 (2017): 543–49. http://dx.doi.org/10.7735/ksmte.2017.26.6.543.

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22

Mufti, Nandang, Ifa K. R. Laila, Hartatiek, and Abdulloh Fuad. "The effect of TiO2thin film thickness on self-cleaning glass properties." Journal of Physics: Conference Series 853 (May 2017): 012035. http://dx.doi.org/10.1088/1742-6596/853/1/012035.

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23

ZHOU, Y. P., Z. W. LIN, and J. BROWN. "SUPERHYDROPHOBIC SURFACES FOR WATER-REPELLENT OR SELF-CLEANING BEHAVIOR: CHEMICAL EFFECT." Surface Review and Letters 16, no. 05 (2009): 645–52. http://dx.doi.org/10.1142/s0218625x09013281.

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In this study, a thermodynamic analysis is conducted to investigate the chemical effect, in terms of intrinsic contact angle (CA), on the superhydrophobic behavior. It is theoretically revealed that the essential effect of intrinsic CA is to promote the composite transition. In particular, a large intrinsic CA more than 90° is necessary for such transition. Furthermore, for a pillar system with an intrinsic CA smaller than 90°, composite states are not impossible but is thermodynamically unstable. Once composite states are achieved, the advancing or maximum CA always approaches 180° whether an
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24

Yang, G. ‐R, P. Bai, T. ‐M Lu, and W. M. Lau. "Self‐cleaning effect in partially ionized beam deposition of Cu films." Journal of Applied Physics 66, no. 9 (1989): 4519–21. http://dx.doi.org/10.1063/1.343954.

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25

Víg, Piroska, and Bence Bagi. "Effect of self-cleaning coatings on solar module reflectance and power." Hungarian Agricultural Engineering, no. 38 (2020): 37–48. http://dx.doi.org/10.17676/hae.2020.38.37.

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26

Nourbakhsh, Shirin, Majid Montazer, and Zoha khandaghabadi. "Zinc oxide nano particles coating on polyester fabric functionalized through alkali treatment." Journal of Industrial Textiles 47, no. 6 (2016): 1006–23. http://dx.doi.org/10.1177/1528083716657819.

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In recent years, zinc oxide nano particles coating on textiles such as polyester is considered because of UV blocking and self-cleaning properties. Alkaline hydrolysis of polyester is a method in textile industry for surface treatment in large scale to enhance wettability. In the present work, polyester fabric was treated with sodium hydroxide, then was coated with ZnO nano particles, and also polyester fabric was treated with sodium hydroxide and ZnO nano particles at the same time. The bending length, water adsorption time, bactericidal properties, atomic absorption spectroscopy, and self-cl
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27

Bruyako, Mikhail, Natalya Ivashchenko, Kristina Dobrina, and Mikhail Moshnikov. "Effective complex hydrophobizators for self-cleaning facade materials." E3S Web of Conferences 97 (2019): 02035. http://dx.doi.org/10.1051/e3sconf/20199702035.

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In the work presented here, we present the research results of the effect of self-cleaning of surfaces. The methods of its achievement such as photocatalytic and the method of hydrophobization are considered. The known methods for determining the contact angle of wetting are used. An installation for generating a low-temperature nonequilibrium plasma was used to modify a fine aggregate. The contact angles of wetting obtained as a result of the use of various formulations of hydrophobizing suspensions are determined experimentally. A modification of the quartz filling matter was also carried ou
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28

Wu, De Yong, and Lian Zhi Wang. "Effect of Silane Coupling Agent on the Self-Cleaning Property of TiO2-Coated Cotton Fabrics." Advanced Materials Research 634-638 (January 2013): 960–64. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.960.

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Self-cleaning fabrics have been successfully prepared by depositing and grafting TiO2 nanoparticles, and silane coupling agent 3-Aminopropyltriethoxysilane was adopted to improve the photocatalytic activity of self-cleaning fabrics. TEM results showed that the treatment of silane coupling agent is good for increasing the amount of TiO2 particles. The excellent photocatalytic activity of TiO2-coated cotton fabrics is attributed the increase of TiO2 particles and the formation of the TiO2/SiO2 structure.
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Huang, Chiahung, Hsunling Bai, Yaoling Huang, Shuling Liu, Shaoi Yen, and Yaohsuan Tseng. "Synthesis of Neutral / Hydrosol and Its Application as Antireflective Self-Cleaning Thin Film." International Journal of Photoenergy 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/620764.

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A neutral SiO2/TiO2composite hydrosol was prepared by a coprecipitation-peptization method using titanium tetrachloride and silicon dioxide hydrosol as precursors. It is not only an antireflective self-cleaning coating material but also an environmental-benign material. Even heated at 700°C for 5 minutes in the tempering process, the as-prepared SiO2/TiO2thin film still demonstrated antireflection and photocatalytic self-cleaning effect. The SiO2/TiO2thin film increased near 2% of transmittance; however, the TiO2thin film decreased 5% of transmittance at least. In addition to antireflection, t
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30

Lavrenčič Štangar, Urška, Minoo Tasbihi, Fernando Fresno, et al. "Self-Cleaning and Anti-Fogging Surfaces Based on Nanostructured Metal Oxides." Advances in Science and Technology 91 (October 2014): 39–47. http://dx.doi.org/10.4028/www.scientific.net/ast.91.39.

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Self-cleaning and anti-fogging technology is already used in a variety of the products today, among which glazing products prevail. Their function is based on the two principles, either hydrophobic (Lotus effect) or photocatalytic hydrophilic principle. In the latter case, self-cleaning action is based on the combination of photocatalysis and photoinduced superhydrophilicity, where dirt removal by uniform spreading of water over the whole surface is improved with photocatalytic decomposition of organic contaminants. There is a big room to play and a huge potential to improve the properties of
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31

Šuligoj, Andraž, Olena Pliekhova, Nives Vodišek, et al. "Field Test of Self-Cleaning Zr-Modified-TiO2-SiO2 Films on Glass with a Demonstration of Their Anti-Fogging Effect." Materials 12, no. 13 (2019): 2196. http://dx.doi.org/10.3390/ma12132196.

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The number of commercial products claiming self-cleaning properties is rising and testing of long-term activity and durability of such coatings needs to be addressed more. The time-dependent changes of different characteristics like haze, transparency, and color are essential for transparent glazing materials. Herein, we aimed to examine whether the laboratory results obtained on the Zr-modified-titania-silica (TiZr) self-cleaning materials would translate to larger-scale outdoor-exposed testing. TiZr thin films were deposited via spraying onto float glass window surfaces and exposed into thre
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32

Xu, Yan Yan, Shi Hui Gao, Lai Jiu Zheng, Juan Zhang, Bing Du, and Ju Wei. "The Research of Cleaning Process for Supercritical Carbon Dioxide Dyeing Equipment." Advanced Materials Research 1048 (October 2014): 515–18. http://dx.doi.org/10.4028/www.scientific.net/amr.1048.515.

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A cleaning process for dyeing apparatus was investigated by employed a self-developed supercritical equipment. The solubility of C.I. Disperse Red 167 was evaluated with acetone, ethanol and carbinol in supercritical carbon dioxide at temperatures of 60, 80,100 and 120 °C and pressures ranging from 12 to 28 MPa. As revealed from the experimental results, the optimal cleaning conditions were as follows: cleaning temperature 100 °C, cleaning pressure 18 MPa, and cleaning time 40 min. Acetone was the most suitable cosolvent and the best cleaning effect was obtained when its concentration was 1%.
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33

Vanangamudi, Anbharasi, Ludovic Dumée, Mikel Duke, and Xing Yang. "Dual Functional Ultrafiltration Membranes with Enzymatic Digestion and Thermo-Responsivity for Protein Self-Cleaning." Membranes 8, no. 3 (2018): 85. http://dx.doi.org/10.3390/membranes8030085.

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Controlling surface–protein interaction during wastewater treatment is the key motivation for developing functionally modified membranes. A new biocatalytic thermo-responsive poly vinylidene fluoride (PVDF)/nylon-6,6/poly(N-isopropylacrylamide)(PNIPAAm) ultrafiltration membrane was fabricated to achieve dual functionality of protein-digestion and thermo-responsive self-cleaning. The PVDF/nylon-6,6/PNIPAAm composite membranes were constructed by integrating a hydrophobic PVDF cast layer and hydrophilic nylon-6,6/PNIPAAm nanofiber layer on to which trypsin was covalently immobilized. The enzyme
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Zhou, Yang Min, Chao Li, Li Li Xu, Si Yi Luo, and Chui Jie Yi. "Experimental Study of Self-Cleaning Plate Shell Heat Exchanger." Advanced Materials Research 339 (September 2011): 176–79. http://dx.doi.org/10.4028/www.scientific.net/amr.339.176.

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A heating experimental system using waste heat from washing Blast Furnace Slag (BFS) water is designed. The effect of corrugated angle, on the property of self-cleaning plate shell heat exchanger and the system typical working conditions was investigated. The results show that: the corrugated angle, as the key factor for the heat transfer property of self-cleaning plate shell heat exchanger, produces intense turbulent flows. It enhances the heat exchanger efficiency and reduces the scaling on the plate.
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35

Tran, Thi Ha, Thi Huyen Trang Nguyen, Manh Hong Nguyen, et al. "Synthesis of ZnO/Au Nanorods for Self Cleaning Applications." Journal of Nanoscience and Nanotechnology 21, no. 4 (2021): 2621–25. http://dx.doi.org/10.1166/jnn.2021.19110.

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Zinc oxide (ZnO) is a well-known semiconductor with valuable characteristics: wide direct band gap of ˜3.3 eV, large exciton binding energy of 60 meV at room temperature, high efficient photocatalyst, etc. which have been applied in many fields such as optical devices (LEDs, laser), solar cells and sensors. Besides, various low dimensional structures of ZnO in terms of nanoparticles, nanorods, nanoneedles, nanotetrapods find applications in technology and life. This material is also appealing due to the diversity of available processing methods including both chemical and physical approaches s
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Ananda, Della Dwi, and Dina Kartika Maharani. "THE EFFECT OF CALCINATION TEMPERATURE TO THE COMPOSITE CHARACTERISTICS OF TiO2SiO2 NANOPARTICLE." Jurnal Sains Materi Indonesia 22, no. 1 (2021): 16. http://dx.doi.org/10.17146/jsmi.2020.22.1.6020.

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THE EFFECT OF CALCINATION TEMPERATURE TO THE COMPOSITECHARACTERISTICS OF TiO2SiO2 NANOPARTICLE. Self-cleaning material is a material that utilizes the photocatalytic property to degrade organic and inorganic compounds with the help of UV light. One of the materials that have good photocatalytic property is TiO2, the photocatalytic property causes TiO2 to be amphiphilic: becomes hydrophilic when there is light and becomes hydrophobic when there is no light. The photocatalytic property of TiO2 can be improved with the addition of buffer material such as SiO2. TiO2SiO2 nanoparticle was synthesize
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37

Liu, Chengting, Gang Liu, and Zuoxiu Yan. "Study on Cleaning Effect of Different Water Flows on the Pulsed Cavitating Jet Nozzle." Shock and Vibration 2019 (June 11, 2019): 1–15. http://dx.doi.org/10.1155/2019/1496594.

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The method of cleaning by self-excited pulsed cavitating jet was proposed according to cleaning characteristics and requirements of large storage equipment. This method has many advantages compared with other cleaning methods. In order to achieve the optimum cleaning effects, experimental research on working status of the nozzle at different flow rates was conducted and analysis was carried out from the following four aspects: cavitation morphology, pressure pulse frequency, velocity fluctuation amplitude, and erosion effect. The research results showed that flushing effects in the nozzle with
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38

Зорин, Д., Dmitriy Zorin, Н. Иващенко, Natal'ya Ivaschenko, К. Добрина, and Kristina Dobrina. "EFFECTIVE INTEGRATED WATER REPELLENTS FOR SELF-CLEANING OF FACADE MATERIALS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 4, no. 4 (2019): 16–23. http://dx.doi.org/10.34031/article_5cb1e6595c5ba2.05324270.

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This research presents the result of studying self-cleaning effect of surfaces used for external coating of residential and industrial buildings. Methods of obtaining above-mentioned effect are examined, including photocatalytic and hydrophobization methods. Widely known methods for determining the wetting angle are applied. Low temperature unbalanced plasma generator is used to modify fine filler material. Wetting angles obtained by using various formulas for water repellent suspensions are observed. Quartz filler material is also modified. The experiments confirms technical effectiveness of
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39

Kardar, Pooneh, and Reza Amini. "Self-cleaning treatment on historical stone surface via titanium dioxide nanocoatings." Pigment & Resin Technology 48, no. 5 (2019): 404–8. http://dx.doi.org/10.1108/prt-10-2018-0110.

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Purpose The purpose of this study is to evaluate the possibility of using titanium dioxide coating in the field of architectural heritage. Design/methodology/approach In this research, a titanium dioxide coating was prepared and then applied to the travertine stone surfaces. The nature of the coating was determined through various observations and analyses. Moreover, the effect of photocatalytic self-cleaning was evaluated using an organic dye (Rhodamine B). Findings The results of XRD, DLS and SEM confirmed the formation of small anatase crystals. The hydrophilic behavior on the surface was o
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40

Zhang, Xueyun, B. Kong, O. K. C. Tsui, et al. "Effect of pattern topology on the self-cleaning properties of textured surfaces." Journal of Chemical Physics 127, no. 1 (2007): 014703. http://dx.doi.org/10.1063/1.2748383.

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41

Liu, Shaojing, Huiqing Zhong, Zongbao Li, et al. "Photothermal microfluidic-assisted self-cleaning effect for a highly reusable SERS sensor." Optics Letters 46, no. 19 (2021): 4714. http://dx.doi.org/10.1364/ol.434468.

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Zheng, Zhenrong, Zhenrong Zheng, Nannan Zhang, Hongmei Wang, and Xiaoming Zhao. "Preparation of Self-cleaning Polyester Fabrics by Chemical Vapor Deposition of Methyltrichlorosilane/Dimethyldichlorosilane." Fibres and Textiles in Eastern Europe 25 (February 28, 2017): 121–24. http://dx.doi.org/10.5604/12303666.1227892.

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Self-cleaning polyester fabrics were prepared by a simple gas phase deposition procedure in which a layer of polydimethylsiloxane nanofilaments was grown onto textile fibers. Superhydrophobic and self-cleaning properties, tensile breaking strength, mechanical stability and permeability of polyester fabrics were investigated. The results showed that the fabrics deposited had superhydrophobicity, and the contact angle and sliding angle of the fabric surface were 159° and 1.7°, respectively. The self-cleaning test showed that dust particles adhere to rolling water and shed from the surface of pol
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43

Jovanov, V., V. Zečević, T. Vulić, J. Ranogajec, and E. Fidanchevska. "Preparation and characterization of protective self-cleaning TiO2/kaolin composite coating." Materiales de Construcción 68, no. 331 (2018): 163. http://dx.doi.org/10.3989/mc.2018.08517.

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The application of self-cleaning coatings presents one of the most effective ways to protect the surfaces of the building materials. The effect of TiO2/kaolin based coatings applied to three types of substrates: non-porous, porous and highly porous, was investigated. Mechanical activation was applied for the impregnation of the active TiO2 component (in content of 3 and 10 wt. %) into the kaolin support. Surface properties (roughness, hydrophilicity and micro-hardness) and functional properties (photocatalytic activity and self-cleaning efficiency) were studied in order to define the optimal f
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44

NOURBAKHSH, Shirin. "Self-cleaning and Antibacterial Properties of ZnO Nanoparticles on Cotton Fabric Treated with Maleic Acid." Materials Science 27, no. 1 (2021): 90–95. http://dx.doi.org/10.5755/j02.ms.24745.

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Bi-functional finishes of cotton such as wrinkle resistance with antibacterial and self-cleaning are important in textile industry. In this case, reducing cost and duration of processing is essential. For this purpose, cotton fabric was treated with different concentrations of maleic acid (MA), sodium hypophosphite (NaH2PO2) and Zno nanoparticles in two methods of separately and simultaneously. Crease recovery angle and weight gain tests were examined. For measuring carboxylic acid groups of maleic acid treated cotton fabrics, methylene blue dye was used, and then, reflective spectrophotometer
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45

Zheng, Zhen Rong, Zhen Ya Gu, Rui Ting Huo, and Wan Cheng Yu. "Preparation and Properties of Weldable Self-Cleaning PVDF/PVC Blended Film." Advanced Materials Research 189-193 (February 2011): 503–6. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.503.

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PVDF was blended with PVC to improve the weldable property of PVDF topcoat. Effects of film formation process on the surface properties of PVDF/PVC blended film were investigated. Peeling strength of PVDF/PVC blended film has reached the internationally accepted standards (144.3N/5cm) when PVC concentration was 30%. Based on the “lotus effect” principle, PVDF/PVC film was hydrophilic modified by alkali solution and then grafted with alkyl chlorosilane to fabricate the micro- and nano-structures as the surface of lotus leaf. After grafting, contact angle of PVDF/PVC blended film was as high as
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46

Lin, Xiao-Jun, Yu-Xin Gao, Jin-Gan Long, et al. "Spatial Beam Self-Cleaning in Bi-Tapered Multimode Fibers." Photonics 8, no. 11 (2021): 479. http://dx.doi.org/10.3390/photonics8110479.

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We report the spatial beam self-cleaning in bi-tapered conventional multimode fibers (MMFs) with different tapered lengths. Through the introduction of the bi-tapered structure in MMFs, the input beam with poor beam quality from a high-power fiber laser can be converted to a centered, bell-shaped beam in a short length, due to the strengthened nonlinear modes coupling. It is found that the bi-tapered MMF with longer tapered length at the same waist diameter shows better beam self-cleaning effect and larger spectral broadening. The obtained results offer a new method to improve the beam quality
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47

Silvia, Linda, Aprilya Hartinah Wardani, Yanurita Dwihapsari, and Mochamad Zainuri. "Effect of Modified SiO2 on the Hydrophobic Properties as Self-Cleaning Materials." Materials Science Forum 966 (August 2019): 83–88. http://dx.doi.org/10.4028/www.scientific.net/msf.966.83.

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In this work, hydrophobic of modified SiO2 coating for self cleaning material were prepared by dip-coating methods and solvothermal manual. SiO2 was successfully prepared from silica sand by purified followed sol-gel methods. Tetraetoxysilane (TEOS) and Hexamethyldisilanze (HMDS) were used as surface chemical modification agents with varied mass of SiO2, which were 1, 2, 3, and 4 g. X-ray fluorescence spectrometer (XRF) , X-ray powder diffraction (XRD), Particle size analyzer (PSA), Ultraviolet–visible spectrophotometer (UV-Vis), and Water contact angle (WCA) were employed to investigate the e
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48

Feng, Yan Wen. "Research on Self-Cleaning Organic Ti-Si Compound Material." Applied Mechanics and Materials 184-185 (June 2012): 1181–84. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.1181.

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This study applies the principle of silane coupling agent (SG-Si900) of alkane chain steric hindrance effect ,using SG-Si900, tetrabutyl titanate and TEOS as the main raw materials synthesizes self-cleaning organic Ti-Si compound materials by hydrolysis, constant temperature polycondensation and distillation. To improve the comprehensive performance, we can adjust the synthesis temperature and some main reaction parameters, such as H2O/Si, SG-Si900/TEOS, Si/Ti. The experiment proves that the best preparation conditions of compound materials is at the synthesis temperature of 80°C, the ratio of
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49

Guan, Huiying, Xiaoming Feng, Junqiu Zhang, Shichao Niu, and Zhiwu Han. "Phragmites Communis Leaves with Anisotropy, Superhydrophobicity and Self-Cleaning Effect and Biomimetic Polydimethylsiloxane (PDMS) Replicas." Coatings 9, no. 9 (2019): 541. http://dx.doi.org/10.3390/coatings9090541.

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Phragmites communis leaf (PCL) is anisotropic, superhydrophobic and shows a self-cleaning effect. The water contact angle (WCA) values along the vertical and parallel vein directions on PCL are 153° ± 2° and 148° ± 2°, respectively. In contrast, the water sliding angle (WSA) values along the vertical and parallel vein directions for PCL are 12° ± 2° and 7° ± 2°, respectively. The epidermal wax makes the leaves intrinsically hydrophobic. The microstructure of the PCL surface shows sub-millimetre-, micron- and nanometre-scale structures. The sub-millimetre ridge structure is the main reason for
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Tryba, B., M. Piszcz, and A. W. Morawski. "Photocatalytic and Self-Cleaning Properties of Ag-Doped TiO2." Open Materials Science Journal 4, no. 1 (2009): 5–8. http://dx.doi.org/10.2174/1874088x01004010005.

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Commercially available TiO2 of anatase structure produced in the Chemical Factory Police S.A. was modified by doping Ag from AgNO3 solution viaphotodeposition method. The obtained amount of deposited Ag on TiO2 was in the range of 0.11 to 0.98 mass %. Deposition of Ag on TiO2 resulted in the retarding of the recombination reaction and formation of the higher amount of OH radicals on the photocatalyst surface during irradiation with UV light. The photocatalytic activity of samples was tested for the decomposition of phenol and Reactive Black in the water solution under both, UV and artificial s
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