Contact angle measurements on oxidized polymer surfaces containing water-soluble species

Strobel, Mark; Kirk, Seth; Heinzen, Luke; Mischke, Eric; Lyons, Christopher S.; Endle, Jim; Poirier, Derrick; Dillingham, Giles

doi:10.1080/01694243.2015.1031443

Cited by 13 publications

(8 citation statements)

References 15 publications

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“…Contact angle measurements are arguably the most widely used surface analysis technique directly related to polymer surface hydrophilicity, coating abilities, and is strongly representative of surface adhesion properties [22,23]. Static contact angle measurements along with their standard deviations for resins prepared with tung oil, tung oil fatty acids, and tung oil methyl esters are listed in Table 1.…”

Section: Resin Hydrophilicitymentioning

confidence: 99%

Bio-Based Composites with Enhanced Matrix-Reinforcement Interactions from the Polymerization of α-Eleostearic Acid

Murawski

Quirino

2019

Coatings

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Vegetable oil-based composites have been proposed as interesting bio-based materials in the recent past. The carbon-carbon double bonds in unsaturated vegetable oils are ideal reactive sites for free radical polymerization. Without the presence of a reinforcement, typical vegetable oil-based polymers cannot achieve competitive thermo-mechanical properties. Compatibilizers have been utilized to enhance the adhesion between resin and reinforcement. This work discusses the antagonist implications of polarity and crosslink density of an unprecedented polar α-eleostearic acid-based resin reinforced with α-cellulose, eliminating the need of a compatibilizer. It is shown that the polar regions of α-eleostearic acid can interact directly with the polar reinforcement. The successful isolation of α-eleostearic acid from tung oil was verified via GC-MS, 1 H NMR, Raman, and FT-IR spectroscopies. The optimal cure schedule for the resin was determined by DSC and DEA. The composites' thermo-mechanical properties were assessed by TGA, DSC, and DMA.

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Section: Resin Hydrophilicitymentioning

confidence: 99%

Bio-Based Composites with Enhanced Matrix-Reinforcement Interactions from the Polymerization of α-Eleostearic Acid

Murawski

Quirino

2019

Coatings

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“…The advancing angle, bounded by a maximum, is the angle the liquid takes on when it is dropped on an unwetted solid surface; this is also known as expansion [35,86,87]. In comparison, the receding angle is the minimum angle that occurs when the liquid is withdrawn from a previously wetted surface [35,87]; this is also known as the contracting angle which helps to calculate an estimation of surface energy [86,88]. The difference between the advancing and the receding angle is defined by contact angle hysteresis (H):…”

Section: Water Contact Angle (Wca)mentioning

confidence: 99%

“…This method uses a jeweled nozzle to create the drop of liquid directly on the surface of the material. Strobel et al [88] reported that the ballistic deposition method is faster and more accurate than previously used techniques in measuring the receding contact angle, which is more important than the advancing angle when considering adhesion.…”

Section: Ballistic Depositionmentioning

confidence: 99%

“…Surface energies are calculated and analyzed with many methods; however, these calculations do not encompass the chemical alterations which are happening on the surface [88].…”

Section: Surface Energy Measurementmentioning

confidence: 99%

“…The device measures the receding contact angle with a pulsed stream of nanoliter-sized microdroplets[49], a method which is commonly known as the ballistic deposition method. Both the volume and the diameter of the drop are used to calculate the approximate contact angle by averaging established geometric standards for similarly sized droplets[88]. The contact angle, which is calculated this way, is more inclusive and provides a more accurate representation of the surface energy in the area surrounding the drop[52].…”

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confidence: 99%

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Plasma Surface Functionalization of AFP Manufactured Composites for Improved Adhesive Bond Performance

Sarikaya

Tahiyat²,

Harik³

et al. 2019

SAMPE 2019 - Charlotte, NC

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I would like to express my deepest appreciation for his aspiring guidance, invaluable friendly contribution during the research to my advisor, Dr. Ramy Harik, who supported me throughout my master degree. Also, I would like to thank my committee member, Dr. Tanvir Farouk, for his constructive suggestions and comments for the research. Furthermore, I would like to thank USC 2C26 student team at McNair Center

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Sensitivity of Polymer Units and Functional Groups Towards Exposure to Oxygen Plasma

2022

Nonthermal Plasmas for Materials Processing

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Contact angle measurements on oxidized polymer surfaces containing water-soluble species

Cited by 13 publications

References 15 publications

Bio-Based Composites with Enhanced Matrix-Reinforcement Interactions from the Polymerization of α-Eleostearic Acid

Bio-Based Composites with Enhanced Matrix-Reinforcement Interactions from the Polymerization of α-Eleostearic Acid

Plasma Surface Functionalization of AFP Manufactured Composites for Improved Adhesive Bond Performance

Sensitivity of Polymer Units and Functional Groups Towards Exposure to Oxygen Plasma

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