Environmentally Friendly Coatings

Xue-ping, Ren; Meng, Lei; Soucek, Mark D.

doi:10.1002/9781119185055.ch8

Cited by 7 publications

(10 citation statements)

References 94 publications

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“…Polymers with a narrowed molecular weight distribution or those with a low molecular weight can be used to produce a low-viscosity coating composition. 71 Moisture-resistant paper was prepared by coating silylated soybean oil (53.1% reduction in WVTR), which did not show any changes in the oil's viscosity and therefore the coating process was performed in one step with no additional diluent, solvent, or oil emulsifier. The film formation mechanism for polymeric solutions through evaporation of the solvent/water results in volume shrinkage and film deformation or unwanted coating cracks on the surface.…”

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

“…However, their hydrophilic nature causes them to have a poor moisture barrier property. 71,81,92 On the other hand, polysaccharides are rigid and brittle polymers. For example, the tensile strength of a film of chitosan or amylose starch can be compared with other films based on HDPE.…”

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

“…71 Among these, CMC is the most applied coating for maintaining the crispness and firmness of fruits including apples, peaches, berries, carrots, celery, and lettuce. 71,107 Additionally, CMC helps to preserve the flavour of fresh fruits and vegetables. 71 This is achieved through the simulation of a regulated atmosphere, in which the oxygen uptake is reduced without any increase in carbon dioxide amount in the internal environment of coated apples and pears.…”

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

“…71,107 Additionally, CMC helps to preserve the flavour of fresh fruits and vegetables. 71 This is achieved through the simulation of a regulated atmosphere, in which the oxygen uptake is reduced without any increase in carbon dioxide amount in the internal environment of coated apples and pears. 71…”

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

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Sustainable biodegradable coatings for food packaging: challenges and opportunities

Jahangiri,

Mohanty,

Misra

2024

Green Chem.

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Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

Section: Different Types Of Biodegradable Coatings and Their Modifica...mentioning

confidence: 99%

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Sustainable biodegradable coatings for food packaging: challenges and opportunities

Jahangiri,

Mohanty,

Misra

2024

Green Chem.

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“…Currently, plant and animal feedstocks serve as one of the most viable alternatives. These sources are cheap, abundant, non‐toxic, and bio‐renewable 4,5 …”

Section: Introductionmentioning

confidence: 99%

Maleated soybean oil derivatives as versatile reactive diluents: Synthesis, characterization, and evaluation

Pellegrene

Hammer

Pugh

et al. 2021

J of Applied Polymer Sci

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Four maleated soybean oil (SBO) derivatives were synthesized and used as bio‐based reactive diluents (RDs) for alkyd coating systems. The RDs were prepared in a two‐step fashion: (a) Maleation of SBO with maleic anhydride (MA) via an ene reaction followed by (b) a nucleophilic acyl substitution of the grafted succinic anhydride with allyl‐ or methacrylate‐functional molecules. The structures were characterized using 1H NMR, 13C NMR, 13C‐1H heteronuclear single quantum coherence NMR, 13C‐1H heteronuclear multiple bond correlation NMR spectroscopy, FT‐IR (ATR) spectroscopy, and MALDI‐ToF‐MS. The 2D NMR spectroscopy techniques helped confirm that MA was successfully grafted onto SBO. FT‐IR spectroscopy identified new absorption bands at 1780 and 1850 cm−1, following the maleation reaction, corresponding to the anhydride functionality. Alkyd coating formulations were prepared with either 0, 10, 20, or 30 wt% of the different RDs. Brookfield viscosity measurements were conducted on the formulations to measure the efficiency of the SBO‐based RDs. At 20 wt% loading level, the RDs typically reduced the viscosity of the base alkyd resin by 50%–60%. Coatings tests and gel content measurements were also conducted in order to understand the effects that these RDs had on the performance of the alkyd coatings.

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