Cellulose nanofibils as coating material and its effects on paper properties

Afra, Elyas; Mohammadnejad, Saeed; Saraeyan, Ahmadreza

doi:10.1016/j.porgcoat.2016.09.018

Cited by 56 publications

(24 citation statements)

References 19 publications

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“…The difference of PVA/NCC concentration did not affect the thickness values of the coated papers. The fact that the thickness values did not change shows that the coating had been stable and made at the same thickness, and these values increase the confidentiality of the results [1].…”

Section: Thicknessmentioning

confidence: 89%

“…These materials can be based on glass, aluminum, plastic and cellulose. The cellulose-based substrates are widely used in various industries such as packaging thanks to their high endurance, flexibility, low-cost and recyclability [1]. In comparison to other materials, the cellulose-based packaging materials have preferable superior properties in terms of their being lightweight, biodegradable, recyclable, eco-friendly and having lower cost [2 -4].…”

Section: Introduction mentioning

confidence: 99%

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Nanocrystalline Cellulose and Polyvinyl Alcohol Coating Application to Cardboard Packaging Papers and Investigation of the Effects on Paper Properties

Yenidoğan

2020

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In the packaging sector of the printing industry, different coating applications are tried and investigated in order to increase the surface appearance and performance characteristics of paper and cardboard. The printability, water and ink absorption capacity, frictional resistance, light sensitivity of the visual graphical design that are going to be printed on the packaging papers are some of them. In this study, different types of cardboards that are used as a packaging material were chosen and coated with nanocrystalline cellulose (NCC)/PVA at different rates (%). In order to determine effective and economical usage conditions, the coating solutions, at three different concentrations as 3 wt.%, 5 wt. %, 7 wt.%, were prepared. The coating was applied on the test papers, which were at the same weights (350 g/m2) and had different surface properties as matte glossy, bright glossy, American Bristol. NCC/PVA existence on the coated paper surface was confirmed with Fourier Transform Infrared Spectroscopy (ATR-FTIR). The impact of the coating, which was prepared at different concentrations, on the packaging materials was studied with respect to thickness, stiffness, water absorbability, contact angle and surface tension.

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Section: Thicknessmentioning

confidence: 89%

Section: Introduction mentioning

confidence: 99%

Nanocrystalline Cellulose and Polyvinyl Alcohol Coating Application to Cardboard Packaging Papers and Investigation of the Effects on Paper Properties

Yenidoğan

2020

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“…However, the papers and dry laminated papers that were obtained, MC had less than 9 %, so they were dry products. The wet laminated paper had higher MC (12.29 -12.80 %) than the dry laminated paper and standard limit (< 10 %) [33] because the flour solution which was applied as the adhesive material to adhere paper and film, increased MC of laminated paper. The conditions of the production process and storage were important with respect to changes in the MC.…”

Section: Moisture Contentmentioning

confidence: 94%

Physical Properties of Banana Stem and Leaf Papers Laminated with Banana Film

Jirukkakul

2018

Walailak J Sci & Tech

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A sustainable development requires the use of bio-based packaging materials because of ready availability and limited environment impact. The porous structure and hydrophilic nature of cellulose in paper based materials needs to be combined or laminated with other materials to overcome these limitations. The fiber found in the banana stems and leaves, it is possible to use these raw materials in pulp processing and banana flour can be produced into an edible film. The aim of the study was to discover a suitable method (wet lamination or dry lamination) for producing paper (stems, leaves, or a 1:1 ratio of mixed stems and leaves) lamination with banana film and to study their physical properties for packaging application. Banana flour (4 %) solution was used as adhesive media between paper and film for wet lamination process where as the heating and compression were applied for dry lamination process. The results showed the efficiency of banana stems for paper production. However, there was an improvement in results when a 1:1 ratio of mixed stems and leaves was used due to an increase in tensile strength, elongation, and the L value. There was no significance in the water vapor permeability in all treatments. All treatments of paper lamination expressed 6 - 13 % moisture content. The separation of film and paper layers occurred in dry lamination samples. The wet lamination of the leaf paper and mixed paper caused high tensile strength and elongation. Therefore, it could be used as an alternative and environmentally friendly method in the application of packaging materials.

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“…Furthermore, the coating of paper sheets with a thin layer of the acrylate/ NFC mixture leads to further improvement in its tensile strength and flexibility and increased elongation at break of paper sheets in both machine and cross directions. Increasing the clearance gap from 30 to 60 microns resulted in increasing tensile strength in both machine and cross directions; this could be due to increasing the thickness of dry film formed [25]. But increasing the clearance gap to 90-120 microns resulted in a decrease in both tensile strength and Young's modulus.…”

Section: Properties Of Coated Paper Sheets With Acrylate/nfcmentioning

confidence: 95%

Acrylate/Nanofibrillated Cellulose Nanocomposites and Their Use for Paper Coating

Hassan

Fadel

Hassan

2018

Journal of Nanomaterials

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Nanofibrillated cellulose (NFC) isolated from TEMPO-oxidized rice straw was used to improve thermal and tensile strength properties of acrylate polymer films. Acrylate/NFC mixture containing 15% NFC was used for paper coating, and properties of paper sheets including tensile strength, water absorption, and microscopic structure were investigated. The results showed that the presence of NFC in the acrylate matrix significantly improved tensile strength properties and thermomechanical properties of the acrylate polymer and caused moderate increase in its moisture sorption. The presence of NFC in acrylate emulsion caused significant increase in its viscosity. Paper sheets coated with different thin layers (from 0.2 to 6 microns) of acrylate/NFC showed improvement in tensile strength and decrease of water absorption.

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Cellulose nanofibils as coating material and its effects on paper properties

Cited by 56 publications

References 19 publications

Nanocrystalline Cellulose and Polyvinyl Alcohol Coating Application to Cardboard Packaging Papers and Investigation of the Effects on Paper Properties

Nanocrystalline Cellulose and Polyvinyl Alcohol Coating Application to Cardboard Packaging Papers and Investigation of the Effects on Paper Properties

Physical Properties of Banana Stem and Leaf Papers Laminated with Banana Film

Acrylate/Nanofibrillated Cellulose Nanocomposites and Their Use for Paper Coating

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