Water- and Solvent-Based Coating Technology

Gutoff, Edgar B.; Cohen, Edward D.

doi:10.1016/b978-0-323-37100-1.00014-4

Cited by 19 publications

(8 citation statements)

References 1 publication

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“…The equipment for solution preparation is a separate batch operation and includes a thermostated vessel provided with mixing and feeding systems. On the other hand, the coating line is formed by a coating applicator, a conveyor belt and a conveyor belt transport system that takes the coated line through the drying chamber (Gutoff & Cohen, 2016) as shown in Figure 1. When scaling up the wet process and designing a coating line to produce edible films, many factors must be considered.…”

Section: Introductionmentioning

confidence: 99%

“…It must be stiff enough but flexible as well, to keep its dimensions during the application, transport, drying and wrapping around the transport rolls. Besides, the cost of the conveyor belt must also be an important factor to be considered (Bierwagen, 1992;Gutoff & Cohen, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…The film-forming solution should have a shear-thinning behavior, it must be able to wet completely and spread uniformly over the substrate or the conveyor belt surface without pouring out. Furthermore, the film should remain attached to the conveyor belt until it must be separated and should be easily detached from the conveyor belt when it is finally dried (Bierwagen, 1992;Embuscado et al, 2009;Gutoff & Cohen, 2016). This work aimed to select the most suitable material for the conveyor belt for the construction of equipment for film formation with casting process.…”

Section: Introductionmentioning

confidence: 99%

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Selection of the conveyor belt material for edible film production by a continuous casting process

Gamboni

Colodro

Slavutsky

et al. 2021

Braz. J. Food Technol.

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The scaling up of the wet process and the design of a coating line to produce edible films, require the consideration of several factors such as, the film formulation, drying kinetics of the films, and the selection of a suitable support material in which to pour the solution. This work aimed to select the most suitable material for the construction of a conveyor belt for the fabrication of edible films through the wet process. The surface properties of the starch film-forming solution were determined. Several commercial materials for conveyor belts were tested. The film-forming solution spreadability and work of adhesion were determined. The mechanical behavior of the dry film was evaluated through mechanical properties and peeling resistance. All materials tested showed good performance under the operational conditions assayed to obtain edible films. Finally, the polyurethane band was chosen due to its appropriate performance and lower cost.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Selection of the conveyor belt material for edible film production by a continuous casting process

Gamboni

Colodro

Slavutsky

et al. 2021

Braz. J. Food Technol.

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“…† Physical treatments like plasma exposures and coatings have also been interrogated, although these can be limited by incomplete conformality. 16 Water resistance is an important property often sought through surface modification. 17 Less attention has been given to the mechanical stability of nanopapers in aqueous environments.…”

Section: Introductionmentioning

confidence: 99%

Controlling wettability, wet strength, and fluid transport selectivity of nanopaper with atomic layer deposited (ALD) sub-nanometer metal oxide coatings

Chen

Wooding

et al. 2020

Nanoscale Adv.

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Nanocellulosic films (nanopapers) are of interest for packaging, printing, chemical diagnostics, flexible electronics and separation membranes. These nanopaper products often require chemical modification to enhance functionality. Most chemical modification is achieved via wet chemistry methods that can be tedious and energy intensive due to post-processing drying. Here, we discuss the use of atomic layer deposition (ALD), a vapor phase modification technique, to quickly and simply make nanopaper hydrophobic and enhance its wet strength and durability. Specifically, we find that just "a few" ALD cycles (#10) of either aluminum oxide or titanium oxide is sufficient to significantly increase the durability of cellulose nanofibril (CNF) paper in aqueous media, even under aggressive sonication conditions. Keeping the number of ALD cycles low makes the process more scalable for commodity manufacturing. We investigate whether this increase in wet strength is due to enhanced hydrophobic attractions or stronger hydrogen bonding between CNF fibers. The current evidence suggests that the latter mechanism is likely dominant, with ab initio calculations suggesting that newly created M-OH terminations on the cellulose nanofibrils increase hydrogen bond strength between fibers and impede CNF hydration and dispersion. ALD treated nanopapers are also found to preferentially transport hexane over water, suggesting their potential use in oil/water demulsification devices.

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“…With the rise environmental awareness, many countries around the world applied law to restrict solvent based binder. As a result, coating on the base of waterborne binders have recently become more popular, especially, about 85% architectural paints are made from waterborne binder [1][2][3][4]. In comparison with solvent-based binder, waterborne binders are low negative effects on the human health.…”

Section: Introductionmentioning

confidence: 99%

Effect of Silica Nanoparticles on Properties of Coatings Based on Acrylic Emulsion Resin

Nguyen¹,

Phi²,

Trinh³

et al. 2018

JST

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Effect of nanosilica size on physic-mechanical properties, thermal stability and weathering durability of coating based on acrylic emulsion. Nanocomposite coating formulas were filled by 2 wt.% nanosilica particles which were used in this study, namely: nanosilica from Sigma (15-20nm), nansilica from rice husk (~70-200 nm) and nanosilica from Arosil – Belgium (7-12 nm). Obtained results showed that viscosity flow of coating formula containing nanosilica from Arosil saw the highest flow-time while coating formulas filled other nanosilica and unfilled nanosilica experienced similar flow-time. In presence of nanosilica, coating properties were improved in comparison with neat coating. However, coating filled by nanosilica from rice husk indicated the best properties in studied coating formula. It may explained that size of nanosilica from rice husk was the largest in studied nanosilica particles and thus easily dispersing into coating formula.

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Water- and Solvent-Based Coating Technology

Cited by 19 publications

References 1 publication

Selection of the conveyor belt material for edible film production by a continuous casting process

Selection of the conveyor belt material for edible film production by a continuous casting process

Controlling wettability, wet strength, and fluid transport selectivity of nanopaper with atomic layer deposited (ALD) sub-nanometer metal oxide coatings

Effect of Silica Nanoparticles on Properties of Coatings Based on Acrylic Emulsion Resin

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