Organic Coatings

Jones, Frank N.; Nichols, Mark; Pappas, Socrates Peter

doi:10.1002/9781119337201

Cited by 108 publications

(121 citation statements)

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“…Taking into account that the difference of the refractive index between the media and the scatterer (given by

) highly influences the amount of light scattered by a particle, as well as its size [ 82 ], we also investigated if there was a correlation between the novel “optimal” feature and these two parameters. Considering the graphic of Figure 14 c, it is possible to observe a strong and statistically significant positive correlation between the computed LDA-derived feature and the product between

and particle diameter d (

;

).…”

Section: Resultsmentioning

confidence: 99%

Single Particle Differentiation through 2D Optical Fiber Trapping and Back-Scattered Signal Statistical Analysis: An Exploratory Approach

Paiva

Ribeiro

Cunha

et al. 2018

Sensors

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Recent trends on microbiology point out the urge to develop optical micro-tools with multifunctionalities such as simultaneous manipulation and sensing. Considering that miniaturization has been recognized as one of the most important paradigms of emerging sensing biotechnologies, optical fiber tools, including Optical Fiber Tweezers (OFTs), are suitable candidates for developing multifunctional small sensors for Medicine and Biology. OFTs are flexible and versatile optotools based on fibers with one extremity patterned to form a micro-lens. These are able to focus laser beams and exert forces onto microparticles strong enough (piconewtons) to trap and manipulate them. In this paper, through an exploratory analysis of a 45 features set, including time and frequency-domain parameters of the back-scattered signal of particles trapped by a polymeric lens, we created a novel single feature able to differentiate synthetic particles (PMMA and Polystyrene) from living yeasts cells. This single statistical feature can be useful for the development of label-free hybrid optical fiber sensors with applications in infectious diseases detection or cells sorting. It can also contribute, by revealing the most significant information that can be extracted from the scattered signal, to the development of a simpler method for particles characterization (in terms of composition, heterogeneity degree) than existent technologies.

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“…Taking into account that the difference of the refractive index between the media and the scatterer (given by

and particle diameter d (

;

).…”

Section: Resultsmentioning

confidence: 99%

Single Particle Differentiation through 2D Optical Fiber Trapping and Back-Scattered Signal Statistical Analysis: An Exploratory Approach

Paiva

Ribeiro

Cunha

et al. 2018

Sensors

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“…Powder coatings present numerous advantages but the size of the object to be coated is one of the main limitations. Even if the application line allows the coating of quite large objects, this technology is limited to objects and parts [87,89,90]. In addition, whatever the application methods selected, it is harder to change the color of powder coating applied during the application process in comparison to conventional solvent-borne coatings [87,89,90].…”

Section: Generalitiesmentioning

confidence: 99%

“…Powder coatings can be divided into two main categories as solvent-borne coatings: thermoplastic powder and thermoset powder. The market share for thermosetting coatings is larger (90%) than for thermoplastic coatings [87,[89][90][91].…”

Section: Generalitiesmentioning

confidence: 99%

“…Electrostatic spraying is the major process for applying powder even though it was not the first one to be developed. The powder is fluidized in a hopper and conveyed by a stream of air to an electrostatic gun [87,89,90,92]. The substrate is electrically connected to ground so that the charged powder particles are drawn to the substrate by an electrostatic force.…”

Section: Electrostatic Sprayingmentioning

confidence: 99%

“…It consists of a tube carrying the airborne powder to an orifice at which an electrode is located. The electrode is connected to a high voltage (30-100 kV) and low amperage supply [87,89,90]. Even though the voltage in the gun is high, the current is very low which allow the energy transmitted to the powder to remain quite low.…”

Section: Electrostatic Sprayingmentioning

confidence: 99%

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Powder and High-Solid Coatings as Anticorrosive Solutions for Marine and Offshore Applications? A Review

Pélissier

Thierry

2020

Coatings

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The constant change in coating technology and environmental regulations has led to the development of low-solvent to solvent-free organic coatings, such as powder and high-solid coatings. These two technologies are well developed, but are still not the preferred choice when considering anticorrosive coating for marine and offshore applications. This mostly arise from a lack of perspective in their long-term behavior and from the difficulty in their applications. This review’s principal aim is to describe powder and high-solid technologies from their formulation and application to their use in marine and offshore applications while recalling and giving key notions needed when the field of anticorrosive coatings is considered. First, the requirement for coatings to be called anticorrosive will be given alongside with their protection and failure mechanisms. The formulation and application for high-solid and powder coatings will be exposed followed by the description of the type of coating chemistry used in harsh environment. Finally, high-solid and powder coatings behavior in these types of environment will be discussed.

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