Dynamic Wetting Properties of Silica-Poly (Acrylic Acid) Superhydrophilic Coatings.

Sevil Turkoglu, Jinde Zhang, Hanna Dodiuk, Samuel Kenig, Jo Ann Ratto, Joey Mead

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Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Structure-Property Relationships for Fluorinated and Fluorine-Free Superhydrophobic Crack-Free Coatings.Polymers · 2024
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5 · Who and what money

Authors and funding

6 authors.

Sevil TurkogluPlastics Engineering Department, University of Massachusetts Lowell, Lowell, MA 01854, USA.ORCID 0000-0002-2366-8738

Jinde ZhangPlastics Engineering Department, University of Massachusetts Lowell, Lowell, MA 01854, USA.

Hanna DodiukDepartment of Polymer Materials Engineering, Shenkar College, Ramat Gan 5252626, Israel.

Samuel KenigDepartment of Polymer Materials Engineering, Shenkar College, Ramat Gan 5252626, Israel.ORCID 0000-0003-1547-9125

Jo Ann RattoU.S. Army Combat Capabilities Development Command Soldier Center, Natick, MA 21005, USA.

Joey MeadPlastics Engineering Department, University of Massachusetts Lowell, Lowell, MA 01854, USA.

Funding

US Army Combat Capabilities Development Command Soldier Center W911QY-18-2-0006

6 · The paper itself

Abstract

Superhydrophilic coatings based on a hydrophilic silica nanoparticle suspension and Poly (acrylic acid) (PAA) were prepared by dip coating. Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM) were used to examine the morphology of the coating. The effect of surface morphology on the dynamic wetting behavior of the superhydrophilic coatings was studied by changing the silica suspension concentration from 0.5% wt. to 3.2% wt. while keeping the silica concentration in the dry coating constant. The droplet base diameter and dynamic contact angle with respect to time were measured using a high-speed camera. A power law was found to describe the relationship between the droplet diameter and time. A significantly low experimental power law index was obtained for all the coatings. Both roughness and volume loss during spreading were suggested to be responsible for the low index values. The water adsorption of the coatings was found to be the reason for the volume loss during spreading. The coatings exhibited good adherence to the substrates and retention of hydrophilic properties under mild abrasion.

Indexed as

dynamic spreadingnanocomposite coatingsuperhydrophilicitysurface wetting

Identifiers

PMID36904483

DOI10.3390/polym15051242

PMCPMC10007625

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