Demonstration of Pattern Size Effects on Hydrophobic Nanocellulose Coatings with Regular Micron-Sized Island-like Geometrical Domains Created by Femtosecond Laser Micromachining DOI Creative Commons
Pieter Samyn, Patrick Cosemans, Olivier Malek

et al.

Micromachines, Journal Year: 2025, Volume and Issue: 16(3), P. 289 - 289

Published: Feb. 28, 2025

As inspired by nature, wettability of bio-based material surfaces can be controlled combining appropriate surface chemistries and topographies mimicking the structure plant leaves or animals. The need for nanocellulose coatings with enhanced hydrophobic properties becomes technically relevant extending their applications in technological domain better protection lifetime coatings. In this work, water repellence spray-coated hydrophobically modified cellulose microfiber (mCMF coatings), nanofiber (mCNF coatings) was after femtosecond laser patterning. particular, influences different island-like pattern geometries sizes were systematically studied. patterns experimentally created single posts that have variable valleys (B = 30 to 15 µm) top area (T 120 µm), resulting good resolution down size beam diameter (15 µm). Depending on intrinsic homogeneity porosity sprayed mCMF mCNF coatings, quality is thinner more homogeneous nanofibrils. increase apparent contact angle patterned estimated from theoretical Cassie–Baxter state wetting shows maximum values up θs 128° 140° smallest parallel minimum hysteresis Δθ 14° < 9° coatings). study demonstrated patterning technology provides high flexibility adaptivity create dimensions hydrophobicity

Language: Английский

A Comprehensive Review on Cellulose Nanofibers, Nanomaterials, and Composites: Manufacturing, Properties, and Applications DOI Creative Commons

Subin Antony Jose,

Neil D. Cowan,

Matthew Davidson

et al.

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(5), P. 356 - 356

Published: Feb. 25, 2025

Cellulose nanofibers (CNFs), cellulose nanomaterials (CNMs), and cellulose-based composites represent a convergence of material science, sustainability, advanced engineering, paving the way for innovative eco-friendly materials. This paper presents comprehensive review these materials, encompassing their extraction, preparation methods, properties, applications, future directions. The manufacturing CNFs CNMs leverages diverse techniques-chemical, mechanical, enzymatic-with each offering distinct advantages in tailoring characteristics to meet specific needs. Strategies functionalization surface modification are detailed, highlighting role enhancing properties while addressing challenges scaling production industrial levels. structural, thermal, optical, electrical, biocompatibility CNFs, CNMs, explored, underscoring versatility applications across various industries. Cellulose-based composites, particular, demonstrate exceptional tunable uses, although achieving uniform dispersion remains key technical hurdle. These materials have packaging, automotive, aerospace, biomedical devices, energy storage, environmental remediation. Emerging research trends emphasize integration with technologies, promoting sustainable practices life cycle considerations advancing commercialization potential. rapidly evolving field holds immense promise global by creating high-performance, is crucial understanding nanofibers, nanomaterials, providing valuable insights that will drive development sustainable, high-performance wide range ultimately challenges.

Language: Английский

Citations

3
Femtosecond laser patterning for enhanced hydrophobicity of modified nanocellulose coatings DOI
Pieter Samyn, Patrick Cosemans, Olivier Malek

et al.

Progress in Organic Coatings, Journal Year: 2025, Volume and Issue: 202, P. 109154 - 109154

Published: Feb. 17, 2025

Language: Английский

Citations

0
Demonstration of Pattern Size Effects on Hydrophobic Nanocellulose Coatings with Regular Micron-Sized Island-like Geometrical Domains Created by Femtosecond Laser Micromachining DOI Creative Commons
Pieter Samyn, Patrick Cosemans, Olivier Malek

et al.

Micromachines, Journal Year: 2025, Volume and Issue: 16(3), P. 289 - 289

Published: Feb. 28, 2025

As inspired by nature, wettability of bio-based material surfaces can be controlled combining appropriate surface chemistries and topographies mimicking the structure plant leaves or animals. The need for nanocellulose coatings with enhanced hydrophobic properties becomes technically relevant extending their applications in technological domain better protection lifetime coatings. In this work, water repellence spray-coated hydrophobically modified cellulose microfiber (mCMF coatings), nanofiber (mCNF coatings) was after femtosecond laser patterning. particular, influences different island-like pattern geometries sizes were systematically studied. patterns experimentally created single posts that have variable valleys (B = 30 to 15 µm) top area (T 120 µm), resulting good resolution down size beam diameter (15 µm). Depending on intrinsic homogeneity porosity sprayed mCMF mCNF coatings, quality is thinner more homogeneous nanofibrils. increase apparent contact angle patterned estimated from theoretical Cassie–Baxter state wetting shows maximum values up θs 128° 140° smallest parallel minimum hysteresis Δθ 14° < 9° coatings). study demonstrated patterning technology provides high flexibility adaptivity create dimensions hydrophobicity

Language: Английский

Citations

0