Oxygen and water vapor barrier properties of polyvinyl alcohol and zein bilayer‐coated paper

Hamdani, Syeda Shamila; Li, Zhao; Ping, Ruoqi; Rollend, Emily; Rabnawaz, Muhammad

doi:10.1002/app.51707

Cited by 11 publications

(4 citation statements)

References 16 publications

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“…It is reported that uncoated paper having an OTR value beyond the threshold value of the instrument was reduced to 128.0 14.7 cc/m 2 -day after coating with polyvinyl alcohol (PVOH) and zein as first and second coating layers, respectively. The first layer of coating with PVOH decreased the OTR value of paper up to 7 times compared to the bilayer, but to retain the gas barrier at high relative humidity, zein layer is also coated as the second layer [ 45 ]. Starch and PVOH coating mixture was used to obtain low OTR values at medium and high relative humidity, which can be used for packaging food materials with an intermediate moisture content [ 36 ].…”

Section: Different Barrier Propertiesmentioning

confidence: 99%

Bio-based materials for barrier coatings on paper packaging

Kunam

Ramakanth

Akhila

et al. 2022

Biomass Conv. Bioref.

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Research into alternative packaging materials is becoming more and more popular as a result of growing eco-friendly concerns regarding the usage of some petroleum-based polymeric packaging materials and coatings, as well as growing buyer demands for products with nutritious quality and extended shelf lives. Barrier coatings made of naturally renewable biopolymers can be applied to paper packing materials. These biopolymer coatings have the potential to replace the current synthetic paper and paperboard coatings, are strong oxygen and oil barriers, and may prevent the unintended moisture transfer in food goods. An appealing method of controlling the growth and spread of microorganisms in food packaging is the integration of antimicrobial compounds into coatings to create active/functional paper-based packaging materials. Here, in this review of the oxygen/moisture barrier, mechanical, and other characteristics of paper coated with bio-based materials. Examples are used to discuss the current and future uses of bio-based material coatings on paper packaging materials to improve barrier performance.

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Section: Different Barrier Propertiesmentioning

confidence: 99%

Bio-based materials for barrier coatings on paper packaging

Kunam

Ramakanth

Akhila

et al. 2022

Biomass Conv. Bioref.

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“…Over the past few decades, extensive research has been conducted into green packaging materials with waterproof, humidity, and heat resistance. [16][17][18][19][20] The renewable resources of polyhydroxybutyrate polybutyrate and polyhydroxyalkylate are considered biodegradable polymers as layer coating materials for the packaging industry. Besides, polylactic acid is also considered degradable but only in industrial conditions.…”

Section: Introductionmentioning

confidence: 99%

Castor oil‐based paper packaging coating with water resistance and degradability obtained by thiol‐ene click reaction

Chen,

Li,

Guan

et al. 2024

J of Applied Polymer Sci

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With the implementation of plastic restrictions and the increasingly serious problem of environmental pollution, paper with green and recyclable characteristics is gradually becoming a substitute for packaging materials. However, the rich cellulose structure in the paper, which contains hydroxyl groups leading to its hydrophilicity, allows water molecules to penetrate the paper and disrupt the hydrogen bonds between cellulose, resulting in a decrease in mechanical properties. Therefore, waterproof coatings are crucial for paper‐based materials to be used in many applications. Based on this, the paper surface was chemically modified with castor oil‐based resin (CO‐590) monomer prepared by coupling agent and castor oil (CO). The results indicated that the modified paper with the contact angle (CA) of 114° had excellent waterproof performance and had a reduction by 40.3% in water vapor transmission rate (WVTR), but also its mechanical increased to 26.9 MPa and the decomposition temperature to 410.5°C. In addition, the coating on its surface could be removed in an alkaline solution and had a possibility to recycle blank paper in the future for manufacturing sustainable production. This work not only provides a method for preparing modified packaging paper, but also expands the application fields of materials.

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“…Considering the environmental challenges associated with the use of PFASs for paper coatings and microplastics originating from single-use plastics, environmentally benign processes for water-and grease-resistant paper are urgently needed. Our group has developed water-and oil-resistant coated paper using polydimethylsiloxane (PDMS)-melamine [3,36,37], chitosan-grafted-PDMS, a chitosan-zein dual-layer approach [38], starch-and zein-based coated paper [39], a polyvinyl alcohol-and zein-based bilayer approach [23], and biopolymer-based high barrier properties [18,[40][41][42]. A significant advantage of this work compared to prior PDMS studies is the use of waterborne coatings without relying on harmful chemicals.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Water-Dispersible Poly(dimethylsiloxane) and Its Potential Application in the Paper Coating Industry as an Alternative for PFAS-Coated Paper and Single-Use Plastics

Hamdani,

Elkholy,

Alford

et al. 2024

Polymers

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Polyethylene-, polyvinylidene chloride-, and per- and polyfluoroalkyl substance-coated paper generate microplastics or fluorochemicals in the environment. Here, we report an approach for the development of oil-resistant papers using an environmentally friendly, fluorine-free, water-dispersible poly(dimethylsiloxane) (PDMS) coating on kraft paper. Carboxylic-functionalized PDMS (PDMS-COOH) was synthesized and subsequently neutralized with ammonium bicarbonate to obtain a waterborne emulsion, which was then coated onto kraft paper. The water resistance of the coated paper was determined via Cobb60 measurements. The Cobb60 value was reduced to 2.70 ± 0.14 g/m2 as compared to 87.6 ± 5.1 g/m2 for uncoated paper, suggesting a remarkable improvement in water resistance. Similarly, oil resistance was found to be 12/12 on the kit test scale versus 0/12 for uncoated paper. In addition, the coated paper retained 70–90% of its inherent mechanical properties, and more importantly, the coated paper was recycled via pulp recovery using a standard protocol with a 91.1% yield.

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Oxygen and water vapor barrier properties of polyvinyl alcohol and zein bilayer‐coated paper

Cited by 11 publications

References 16 publications

Bio-based materials for barrier coatings on paper packaging

Bio-based materials for barrier coatings on paper packaging

Castor oil‐based paper packaging coating with water resistance and degradability obtained by thiol‐ene click reaction

Synthesis of Water-Dispersible Poly(dimethylsiloxane) and Its Potential Application in the Paper Coating Industry as an Alternative for PFAS-Coated Paper and Single-Use Plastics

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