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Hybridization to prepare environmentally friendly, cost-effective superhydrophobic oleophobic coatings

  • Yan Ma , Yanfeng Sun , Chenghao Hua , Mengjie Yuan , Shanshan Gao EMAIL logo , Tianshuo Zhang , Fushan Chen and Xiaoming Song EMAIL logo
Published/Copyright: January 24, 2025
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Nordic Pulp & Paper Research Journal
From the journal Nordic Pulp & Paper Research Journal Volume 40 Issue 1

Abstract

Most petroleum-based polymers are non-biodegradable, leading to serious environmental concerns. Paper has become an important substitute for plastic. The hygroscopicity of paper in a humid environment causes its physical and mechanical strength to decrease. The development of superhydrophobic paper offers an effective solution that significantly improves water resistance and wettability, while also imbuing self-cleaning and stain resistance. In this study, the superhydrophobic oil coating was prepared with tetraethyl orthosilicate (TEOS) and octadecyl trichlorosilane (OTS) as organic components and nano titanium dioxide particles as inorganic components by hydrolysis condensation under alkaline conditions. The microstructure and chemical composition of the coating were analyzed by SEM and other techniques. In addition, we also studied the influence of TiO2 quantity and other factors on the wettability of the paper interface, and determined the optimal preparation process to achieve the super hydrophobic oil repellent coating. The results show that when the addition amount of nano-titanium dioxide is 0.16 %, the reaction time is 6 h, the volume ratio of organosilane TEOS to OTS is 1:2 and the addition amount of TEOS is 6 mL (that is, when the total addition amount of organosilane is 23 %), the water contact angle on the surface of the layer is 159°±1.5°, the rolling angle is 3.5°±0.5°, the glycerol contact angle is 155°, and the ethylene glycol contact angle is 142°, indicating that this coating has excellent superhydrophobic and highly oleophobic properties. In addition, the coating has low adhesion to water, good self-cleaning ability and corrosion resistance.

Keywords: superhydrophobicity; contact angle; wettability; highly oleophobic; self-cleaning
Corresponding authors: Shanshan Gao, Qingdao University of Science and Technology, Qingdao, Shandong, 266042, P.R. China, E-mail: ; and Xiaoming Song, Qingdao University of Science and Technology, Qingdao, Shandong, 266042, P.R. China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, P.R. China; and Guangxi University, Nanning, Guangxi, 530004, P.R. China, E-mail:

Funding source: Shandong Province Major Innovation Project

Award Identifier / Grant number: 2018CXGC1001

Funding source: the Youth Innovative Team Development Plan of Colleges and Universities in Shandong Province

Award Identifier / Grant number: 2019KJC008

Funding source: Qilu University of Technology; Major innovation project of Qingdao West Coast

Award Identifier / Grant number: 2019-27,2021-27

Funding source: Foundation of State Key Laboratory of Biobased Material and Green Papermaking

Award Identifier / Grant number: No.XWZR201901

Funding source: National Natural Science Foundation of China

Award Identifier / Grant number: 22078167

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: Yan Ma: Conceptualization, Data curation, Formal analysis, Writing – original draft. Xiaoming Song: Funding acquisition, Writing – review & editing. Chenghao Hua: Investigation. Mengjie Yuan: Methodology. Tianshuo Zhang: Resources. Yanfeng Sun: Validation. Fushan Chen: Project administration. Shanshan Gao: Supervision.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: The author states no conflict of interest.

  6. Research funding: This work was supported by the Youth Innovative Team Development Plan of Colleges and Universities in Shandong Province (2019KJC008); National Natural Science Foundation of China (22078167); Shandong Province Major Innovation Project (2018CXGC1001); Foundation of State Key Laboratory of Biobased Material and Green Papermaking (No. XWZR201901), Qilu University of Technology; Major innovation project of Qingdao West Coast (2019-27, 2021-27).

  7. Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2024-10-21
Accepted: 2025-01-15
Published Online: 2025-01-24
Published in Print: 2025-03-26

© 2025 Walter de Gruyter GmbH, Berlin/Boston

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  2. Biorefining
  3. Fractionation methods of eucalyptus kraft lignin for application in biorefinery
  4. Pulp and paper industry side-stream materials as feed for the oleaginous yeast species Lipomyces starkeyi and Rhodotorula toruloides
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  8. On the nature of the selectivity of oxygen delignification
  9. Unlocking potential: the role of chemometric modeling in pulp and paper manufacturing
  10. Effects of chemical environment on softwood kraft pulp: exploring beyond conventional washing methods
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  12. Variations in carbohydrates molar mass distribution during chemical degradation and consequences on fibre strength
  13. Mechanical Pulping
  14. Energy consumption in refiner mechanical pulping
  15. Paper Technology
  16. Australian wheat and hardwood fibers for advanced packaging materials
  17. Compression refining: the future of refining? Application to bleached kraft eucalyptus pulp
  18. The effect of nanocellulose to coated paper and recycled paper
  19. Interpreting the relationship between properties of wood and pulping & paper via machine learning algorithms combined with SHAP analysis
  20. Hybridization to prepare environmentally friendly, cost-effective superhydrophobic oleophobic coatings
  21. Paper Physics
  22. Characterising the mechanical behaviour of dry-formed cellulose fibre materials
  23. Paper Chemistry
  24. Study on the properties of ground film paper prepared from lactic acid-modified cellulose
  25. Environmental Impact
  26. Characterization of sludge from a cellulose pulp mill for its potential biovalorization
  27. The in situ green synthesis of metal organic framework (HKUST-1)/cellulose/chitosan composite aerogel (CSGA/HKUST-1) and its adsorption on tetracycline
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  29. Recycling
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https://doi.org/10.1515/npprj-2024-0071
Keywords for this article
superhydrophobicity; contact angle; wettability; highly oleophobic; self-cleaning

Articles in the same Issue

  1. Frontmatter
  2. Biorefining
  3. Fractionation methods of eucalyptus kraft lignin for application in biorefinery
  4. Pulp and paper industry side-stream materials as feed for the oleaginous yeast species Lipomyces starkeyi and Rhodotorula toruloides
  5. Chemical Pulping
  6. Comparing classic time series models and state-of-the-art time series neural networks for forecasting as-fired liquor properties
  7. Optimization of kraft pulping process for Sesbania aculeata (dhaincha) stems using RSM
  8. On the nature of the selectivity of oxygen delignification
  9. Unlocking potential: the role of chemometric modeling in pulp and paper manufacturing
  10. Effects of chemical environment on softwood kraft pulp: exploring beyond conventional washing methods
  11. Bleaching
  12. Variations in carbohydrates molar mass distribution during chemical degradation and consequences on fibre strength
  13. Mechanical Pulping
  14. Energy consumption in refiner mechanical pulping
  15. Paper Technology
  16. Australian wheat and hardwood fibers for advanced packaging materials
  17. Compression refining: the future of refining? Application to bleached kraft eucalyptus pulp
  18. The effect of nanocellulose to coated paper and recycled paper
  19. Interpreting the relationship between properties of wood and pulping & paper via machine learning algorithms combined with SHAP analysis
  20. Hybridization to prepare environmentally friendly, cost-effective superhydrophobic oleophobic coatings
  21. Paper Physics
  22. Characterising the mechanical behaviour of dry-formed cellulose fibre materials
  23. Paper Chemistry
  24. Study on the properties of ground film paper prepared from lactic acid-modified cellulose
  25. Environmental Impact
  26. Characterization of sludge from a cellulose pulp mill for its potential biovalorization
  27. The in situ green synthesis of metal organic framework (HKUST-1)/cellulose/chitosan composite aerogel (CSGA/HKUST-1) and its adsorption on tetracycline
  28. Evaluation of the potential use of powdered activated carbon in the treatment of effluents from bleached kraft pulp mills
  29. Recycling
  30. Waste newspaper activation by sodium phosphate for adsorption dynamics of methylene blue
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