Ali Harlin
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View article: Plasticizer Mixing Improved Regenerated Cellulose Films as an Alternative to Plastics
Plasticizer Mixing Improved Regenerated Cellulose Films as an Alternative to Plastics Open
Plasticizers are widely used to improve the elasticity of regenerated cellulose films, but academic research has thus far ignored the possibility of plasticizer mixing. We studied the effects of glycerol, sorbitol, and maltitol on film pro…
View article: Controlled surface acetylation of cellulosics to tune biodegradability – expanding their use towards conventional plastics
Controlled surface acetylation of cellulosics to tune biodegradability – expanding their use towards conventional plastics Open
Low DS spatioselective acetylation of paper shows control over biodegradability, without bulk modification of the fibres.
View article: Plasticizer blending improved regenerated cellulose films as an alternative to plastics
Plasticizer blending improved regenerated cellulose films as an alternative to plastics Open
Plasticizers are widely used to improve the elasticity of regenerated cellulose films, but academic research has thus far ignored the possibility of plasticizer blending. We studied the effects of glycerol, sorbitol, and maltitol on film p…
View article: Controlling the rheology of cellulose dissolved in 4–methylmorpholine N–oxide and tensile properties of precipitated cellulose films via mixture design
Controlling the rheology of cellulose dissolved in 4–methylmorpholine N–oxide and tensile properties of precipitated cellulose films via mixture design Open
Properties which control the mechanical performance of regenerated or precipitated cellulose films are currently not well-known and a mechanistic understanding of the underlying phenomena should be established. Solution rheology is a cruci…
View article: Low-density, water-repellent, and thermally insulating cellulose-mycelium foams
Low-density, water-repellent, and thermally insulating cellulose-mycelium foams Open
This work explored whether partial cellulose bioconversion with fungal mycelium can improve the properties of cellulose fibre-based materials. We demonstrate an efficient approach for producing cellulose-mycelium composites utilizing sever…
View article: Design of biodegradable cellulose filtration material with high efficiency and breathability
Design of biodegradable cellulose filtration material with high efficiency and breathability Open
Using respiratory protective equipment is one of the relevant preventive measures for infectious diseases, including COVID-19, and for various occupational respiratory hazards. Because experienced discomfort may result in a decrease in the…
View article: Controlled surface acetylation of cellulosics to tune biodegradability while expanding their use towards common petrochemical-based plastics
Controlled surface acetylation of cellulosics to tune biodegradability while expanding their use towards common petrochemical-based plastics Open
The European Commissions single-use plastics directive has put major restrictions on the use of chemically modified cellulosics for different material applications, e.g., as films, fibres, foams and other shaped objects. In addition, the w…
View article: Challenges of polyester-cotton textiles co-fractionation
Challenges of polyester-cotton textiles co-fractionation Open
Waste problem on plastic relates to micro plastic issue and synthetic textile fibers pronounce part of the problem. Inherently the problems in recycling are rising form the structure of the textiles, comprising of textile fiber blends, yar…
View article: Hemicellulose-rich paper-grade pulp as raw material for regenerated fibres in an ionic liquid-based process
Hemicellulose-rich paper-grade pulp as raw material for regenerated fibres in an ionic liquid-based process Open
Hemicellulose-rich pulp raw materials are avoided in the production of man-made cellulosic textile fibres due to hemicellulose reactivity with the currently used industrial solvent systems. Incorporation of hemicelluloses in regenerated fi…
View article: Effect of the Carbohydrate Composition of Bleached Softwood Kraft Pulp on Its Dissolution and Regeneration Using [mTBN-H][OAc]
Effect of the Carbohydrate Composition of Bleached Softwood Kraft Pulp on Its Dissolution and Regeneration Using [mTBN-H][OAc] Open
Regenerated cellulose products are attracting increasing attention as sustainable alternatives to petroleum-based materials, especially in the packaging and textile industries. Ionic liquids (ILs) are often described as "green" options for…
View article: Investigating postponement and speculation approaches to the end-of-life textile supply chain
Investigating postponement and speculation approaches to the end-of-life textile supply chain Open
An upcoming directive requires the recycling of end-of-life (EoL) textiles. In this paper we show how this recycling could be arranged in such a way that the value of the recycled material exceeds the costs of recycling. We approach this v…
View article: Biocomposite modeling by tomographic feature extraction and synthetic microstructure reconstruction
Biocomposite modeling by tomographic feature extraction and synthetic microstructure reconstruction Open
In comparison to established glass and carbon fiber models, creating a representative volume element to perform finite element analysis for a biocomposite is a complex undertaking. As the fibers appear in a variety of lengths, shapes and o…
View article: Optical properties of an organic-inorganic hybrid film made of regenerated cellulose doped with light-scattering TiO2 particles
Optical properties of an organic-inorganic hybrid film made of regenerated cellulose doped with light-scattering TiO2 particles Open
Inorganic-organic composites offer immense potential for developing materials with, e.g. improved chemical, optical and electrical properties, by combining characteristics from both substances. In this study, sustainable and modifiable reg…
View article: Thermoresponsive Nanocellulose Films as an Optical Modulation Device: Proof-of-Concept
Thermoresponsive Nanocellulose Films as an Optical Modulation Device: Proof-of-Concept Open
Flexible optoelectronic technologies are becoming increasingly important with the advent of concepts such as smart-built environments and wearable systems, where they have found applications in displays, sensing, healthcare, and energy har…
View article: Pre-treatments of pre-consumer cotton-based textile waste for production of textile fibres in the cold NaOH(aq) and cellulose carbamate processes
Pre-treatments of pre-consumer cotton-based textile waste for production of textile fibres in the cold NaOH(aq) and cellulose carbamate processes Open
Recycling of textiles is of importance due to the large amount of waste generated from the increasing consumption and use worldwide. Cotton-rich pre-consumer textiles are considered as potential raw material for production of man-made rege…
View article: Melt spinnability of long chain cellulose esters
Melt spinnability of long chain cellulose esters Open
Technical and hygienic nonwovens, originating typically from fossil‐based synthetic polymers, are the fastest growing applications in the textile industry. Recently developed thermoplastic cellulose fatty acid esters have polyolefin like r…
View article: A unique pathway to platform chemicals: aldaric acids as stable intermediates for the synthesis of furandicarboxylic acid esters
A unique pathway to platform chemicals: aldaric acids as stable intermediates for the synthesis of furandicarboxylic acid esters Open
A novel method for the efficient production of furandicarboxylic acid from sugar diacids by acid-catalysed dehydration.
View article: Enzymatic Degradation and Pilot-Scale Composting of Cellulose-Based Films with Different Chemical Structures
Enzymatic Degradation and Pilot-Scale Composting of Cellulose-Based Films with Different Chemical Structures Open
In this study, we investigated the enzymatical degradability and pilot-scale composting of 14 cellulose-based materials. The materials analyzed here were cellulose regenerated from ionic liquid (EMIM[OAc]), carboxymethyl cellulose (CMC) cr…
View article: Optical cellulose fiber made from regenerated cellulose and cellulose acetate for water sensor applications
Optical cellulose fiber made from regenerated cellulose and cellulose acetate for water sensor applications Open
In this study an optical cellulose fiber for water sensoring was prepared by using a sequential preparation strategy. The core of the fiber was prepared from dissolved cellulose, in [EMIM]OAc, which was dry–wet spun into water. The claddin…
View article: Colour management in circular economy: decolourization of cotton waste
Colour management in circular economy: decolourization of cotton waste Open
Purpose While aiming to create methods for fibre recycling, the question of colours in waste textiles is also in focus; whether the colour should be kept or should be removed while recycling textile fibre. More knowledge is needed for colo…
View article: Recycling of vat and reactive dyed textile waste to new colored man-made cellulose fibers
Recycling of vat and reactive dyed textile waste to new colored man-made cellulose fibers Open
Cotton waste dyed with different vat and reactive dyes is systematically upcycled to colored cellulose fibersviadry-jet wet spinning.
View article: Spinning Approach for Cellulose Fiber Yarn Using a Deep Eutectic Solvent and an Inclined Channel
Spinning Approach for Cellulose Fiber Yarn Using a Deep Eutectic Solvent and an Inclined Channel Open
We developed a spinning approach for a dope produced by treating softwood pulp with a deep eutectic solvent (DES). The DES enables formation of a sufficiently viscous spinnable gel-like suspension of fibers, which solidifies upon the remov…
View article: Effect of Surfactant Type and Sonication Energy on the Electrical Conductivity Properties of Nanocellulose-CNT Nanocomposite Films
Effect of Surfactant Type and Sonication Energy on the Electrical Conductivity Properties of Nanocellulose-CNT Nanocomposite Films Open
We present a detailed study on the influence of sonication energy and surfactant type on the electrical conductivity of nanocellulose-carbon nanotube (NFC-CNT) nanocomposite films. The study was made using a minimum amount of processing st…
View article: Cyclodextrin-Functionalized Fiber Yarns Spun from Deep Eutectic Cellulose Solutions for Nonspecific Hormone Capture in Aqueous Matrices
Cyclodextrin-Functionalized Fiber Yarns Spun from Deep Eutectic Cellulose Solutions for Nonspecific Hormone Capture in Aqueous Matrices Open
A wood based yarn platform for capturing pharmaceutical molecules from water was developed. Cellulose fiber yarns were modified with cyclodextrins, and the capture of 17α-ethinyl estradiol (EE2), a synthetic estrogen hormone used as contra…