Influence of pigment packing behavior on the adhesive requirements of aqueous paper coatings

Howard, K; Hodgson, Kevin T.

doi:10.1007/s11998-014-9645-0

Cited by 7 publications

(7 citation statements)

References 6 publications

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“…[8][9][10][11][12] The paper coating is a process of surface smoothening achieved by covering the cellulosic fibers and filling the space between them with agents that generally include pigments, binders, thickeners, dispersants, crosslinkers, optical brightening agents (OBA), and lubricants. [13,14] Most of these agents result in non-biodegradable contaminants. In general, paper coating materials, applied particularly to binding covers and corrugated boxes, include components of fossil origin: certain polymers, such as waxes, polyethylene or polypropylene, polyethylene terephthalate (PET), or other polyesters are commonly adopted as coating materials, also in combination to kaolin clay or talc, widely used as coating fillers.…”

Section: Paper Coatingmentioning

confidence: 99%

“…The paper coating is a process of surface smoothening achieved by covering the cellulosic fibers and filling the space between them with agents that generally include pigments, binders, thickeners, dispersants, crosslinkers, optical brightening agents (OBA), and lubricants [13,14] . Most of these agents result in non‐biodegradable contaminants.…”

Section: Introductionmentioning

confidence: 99%

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Nanocellulose for Paper and Textile Coating: The Importance of Surface Chemistry

2022

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Nanocellulose has received enormous scientific interest for its abundance, easy manufacturing, biodegradability, and low cost. Cellulose nanocrystals (CNCs) and cellulose nanofibers (CNFs) are ideal candidates to replace plastic coating in the textile and paper industry. Thanks to their capacity to form an interconnected network kept together by hydrogen bonds, nanocelluloses perform an unprecedented strengthening action towards cellulose‐ and other fiber‐based materials. Furthermore, nanocellulose use implies greener application procedures, such as deposition from water. The surface chemistry of nanocellulose plays a pivotal role in influencing the performance of the coating: tailored surface functionalization can introduce several properties, such as gas or grease barrier, hydrophobicity, antibacterial and anti‐UV behavior. This review summarizes recent achievements in the use of nanocellulose for paper and textile coating, evidencing critical aspects of coating performances related to deposition technique, nanocellulose morphology, and surface functionalization. Furthermore, beyond focusing on the aspects strictly related to large‐scale coating applications for paper and textile industries, this review includes recent achievements in the use of nanocellulose coating for the safeguarding of Cultural Heritage, an extremely noble and interesting emerging application of nanocellulose, focusing on consolidation of historical paper and archaeological textile. Finally, nanocellulose use in electronic devices as an electrode modifier is highlighted.

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Section: Paper Coatingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nanocellulose for Paper and Textile Coating: The Importance of Surface Chemistry

2022

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“…Paper coating is a process in which a sheet with a uniform surface can be obtained by covering the cellulosic fibers of the outer boundaries and filling the space between them with binders (frequently, starch and/or synthetic latex), pigments and/or other agents [5]. This operation, generally followed by drying and calendering, is performed to obtain a paper with better sizing, printing and barrier properties [6,7].…”

Section: Introductionmentioning

confidence: 99%

A review on cationic starch and nanocellulose as paper coating components

Sharma

Aguado

Murtinho

et al. 2020

International Journal of Biological Macromolecules

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“…Filling a polymeric material above the CPVC results in a porous structure which causes a significant change in composite properties. Static and dynamic MR effects show similar results [ 20 , 21 ]. In Figure 6 , it can be seen that the torque for the 60 vol.-% CIP is almost three times higher in comparison to 50 vol.-%.…”

Section: Resultsmentioning

confidence: 62%

Analysis of Styrene-Butadiene Based Thermoplastic Magnetorheological Elastomers with Surface-Treated Iron Particles

2021

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Magnetorheological elastomers (MRE) are increasing in popularity in many applications because of their ability to change stiffness by applying a magnetic field. Instead of liquid-based 1 K and 2 K silicone, thermoplastic elastomers (TPE), based on styrene-butadiene-styrene block copolymers, have been investigated as matrix material. Three different carbonyl iron particles (CIPs) with different surface treatments were used as magneto active filler material. For the sample fabrication, the thermoplastic pressing method was used, and the MR effect under static and dynamic load was investigated. We show that for filler contents above 40 vol.-%, the linear relationship between powder content and the magnetorheological effect is no longer valid. We showed how the SiO2 and phosphate coating of the CIPs affects the saturation magnetization and the shear modulus of MRE composites. A combined silica phosphate coating resulted in a higher shear modulus, and therefore, the MR effect decreased, while coating with SiO2 only improved the MR effect. The highest performance was achieved at low deformations; a static MR effect of 73% and a dynamic MR effect of 126% were recorded. It was also shown that a lower melting viscosity of the TPE matrix helps to increase the static MR effect of anisotropic MREs, while low shear modulus is crucial for achieving high dynamic MR. The knowledge from TPE-based magnetic composites will open up new opportunities for processing such as injection molding, extrusion, and fused deposition modeling (FDM).

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Influence of pigment packing behavior on the adhesive requirements of aqueous paper coatings

Cited by 7 publications

References 6 publications

Nanocellulose for Paper and Textile Coating: The Importance of Surface Chemistry

Nanocellulose for Paper and Textile Coating: The Importance of Surface Chemistry

A review on cationic starch and nanocellulose as paper coating components

Analysis of Styrene-Butadiene Based Thermoplastic Magnetorheological Elastomers with Surface-Treated Iron Particles

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