Eva Malmström
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View article: Pulp fiber-based composites with plasticized starch via high-shear mixing
Pulp fiber-based composites with plasticized starch via high-shear mixing Open
Fiber-based materials are difficult to process at elevated temperatures as they do not flow as easily as polymers do. The aim of the present work is to obtain a lignocellulose-based thermoformable material with as high fiber content as pos…
View article: Decoding in-plane orientation in cellulose nanopapers hybridized with tailored polymeric nanoparticles
Decoding in-plane orientation in cellulose nanopapers hybridized with tailored polymeric nanoparticles Open
Biobased cellulose nanofibrils (CNFs) constitute important building blocks for biomimetic, nanostructured materials, and considerable potential exists in their hybridization with tailorable polymeric nanoparticles.
View article: Cellulose nanopaper with polymeric nanoparticle additives – what is the role of nanoparticle surface functionality?
Cellulose nanopaper with polymeric nanoparticle additives – what is the role of nanoparticle surface functionality? Open
Polymeric nanoparticles with tunable surface functionalities were synthesized via polymerization-induced self-assembly (PISA) to study their interactions with TEMPO-oxidized cellulose nanofibrils (TO-CNFs) in wet and dry states.
View article: Design of Extruded Nanostructured Composites via Decoupling of the Cellulose Nanofibril/Poly(butylene adipate-<i>co</i>-terephthalate) Interface
Design of Extruded Nanostructured Composites via Decoupling of the Cellulose Nanofibril/Poly(butylene adipate-<i>co</i>-terephthalate) Interface Open
The full exploitation of the outstanding mechanical properties of cellulose nanofibrils (CNFs) as potential reinforcements in nanocomposite materials is limited by the poor interactions at the CNF-polymer matrix interface. Within this work…
View article: Poly(sobrerol methacrylate) Colloidal Inks Sprayed onto Cellulose Nanofibril Thin Films for Anticounterfeiting Applications
Poly(sobrerol methacrylate) Colloidal Inks Sprayed onto Cellulose Nanofibril Thin Films for Anticounterfeiting Applications Open
The colloidal layer formation on porous materials is a crucial step for printing and applying functional coatings, which can be used to fabricate anticounterfeiting paper. The deposition of colloidal layers and subsequent thermal treatment…
View article: Self-Catalyzed Hydrolysis of Nitrile-Containing RAFT Chain-Transfer Agent and Its Impact upon Polymerization Control of Methacrylic Monomers
Self-Catalyzed Hydrolysis of Nitrile-Containing RAFT Chain-Transfer Agent and Its Impact upon Polymerization Control of Methacrylic Monomers Open
Self-catalyzed hydrolysis upon storage of the common RAFT chain-transfer agent (CTA) 4-cyano-4-[(thiothiopropyl)sulfanyl] pentanoic acid (CTPPA) is confirmed, where the nitrile group is transformed into an amide by catalysis from the adjac…
View article: Multiple approaches to exploit ferulic acid bio-based epoxy monomer for green thermoset
Multiple approaches to exploit ferulic acid bio-based epoxy monomer for green thermoset Open
Bio-based monomers are under investigation to replace fossil-based materials due to the concerns regarding climate change and depletion of fossil raw materials. Lignin, cellulose and hemicellulose represent the main interesting platform to…
View article: Thermally expandable microspheres based on fully or partially bio‐based polymers
Thermally expandable microspheres based on fully or partially bio‐based polymers Open
Bio‐based or partially bio‐based thermally expandable microspheres (TEMs) were synthesized by suspension (co)polymerization of the bio‐based monomer α‐methylene‐γ‐valerolactone (MeMBL) together with acrylonitrile and/or methyl methacrylate…
View article: Locust bean gum as an adhesive for wood particleboards
Locust bean gum as an adhesive for wood particleboards Open
Locust bean gum, derived from the carob tree, was evaluated as a biobased adhesive in particleboard manufacturing, investigating the effect of adhesive amount, mat moisture content, and process parameters such as temperature and time. Sing…
View article: Structure-property relationship of native-like lignin nanoparticles from softwood and hardwood
Structure-property relationship of native-like lignin nanoparticles from softwood and hardwood Open
Renewable resources such as wood are an important candidate towards the replacement of fossil-based materials with bio-based materials. Lignin, comprising up to 40% of woody biomass, has shown great potential in the preparation of nanopart…
View article: Highly Ductile Cellulose-Rich Papers Obtained by Ultrasonication-Assisted Incorporation of Low Molecular Weight Plasticizers
Highly Ductile Cellulose-Rich Papers Obtained by Ultrasonication-Assisted Incorporation of Low Molecular Weight Plasticizers Open
Fiber-based materials are attractive sustainable alternatives to fossil-based plastics, however, the lack of ductility (i.e., brittleness) limits their applicability in complex shapes as are often utilized for plastics. In this study, we h…
View article: 2-Methoxy-4-Vinylphenol as a Biobased Monomer Precursor for Thermoplastics and Thermoset Polymers
2-Methoxy-4-Vinylphenol as a Biobased Monomer Precursor for Thermoplastics and Thermoset Polymers Open
To address the increasing demand for biobased materials, lignin-derived ferulic acid (FA) is a promising candidate. In this study, an FA-derived styrene-like monomer, referred to as 2-methoxy-4-vinylphenol (MVP), was used as the platform t…
View article: Polyester–melamine coil coating formulation reinforced with surface-modified cellulose nanofibrils
Polyester–melamine coil coating formulation reinforced with surface-modified cellulose nanofibrils Open
In light of the need to redesign industrially produced materials by utilizing renewable resources, nanoscopic forms of cellulose are regarded as a valuable asset. In this work, the potential of cellulose nanofibrils (CNFs) as an unconventi…
View article: Optical Properties of Slot‐Die Coated Hybrid Colloid/Cellulose‐Nanofibril Thin Films
Optical Properties of Slot‐Die Coated Hybrid Colloid/Cellulose‐Nanofibril Thin Films Open
Correlating nanostructure and optical properties of thin hybrid films is the crucial ingredient for designing sustainable applications ranging from structural colors in anticounterfeiting to sensors. Here, the tailoring of the refractive i…
View article: Bimodal nanolatexes prepared <i>via</i> polymerization-induced self-assembly: losing control in a controlled manner
Bimodal nanolatexes prepared <i>via</i> polymerization-induced self-assembly: losing control in a controlled manner Open
In this paper we demonstrate the potential advantages of reproducible bimodal nanolatexes prepared by the combination of reversible addition–fragmentation chain-transfer (RAFT) polymerization with polymerization-induced self-assembly (PISA…
View article: PDMAEMA from α to ω chain ends: tools for elucidating the structure of poly(2-(dimethylamino)ethyl methacrylate)
PDMAEMA from α to ω chain ends: tools for elucidating the structure of poly(2-(dimethylamino)ethyl methacrylate) Open
An in-depth characterization of PDMAEMA prepared by ATRP was conducted, with a focus on end group analysis. This work discusses analytical tools providing essential information about the extent of control over DMAEMA polymerization and cha…
View article: Branched polyesters from radical ring-opening polymerization of cyclic ketene acetals: synthesis, chemical hydrolysis and biodegradation
Branched polyesters from radical ring-opening polymerization of cyclic ketene acetals: synthesis, chemical hydrolysis and biodegradation Open
A new synthetic route to the cyclic ketene acetal, 2-methylene-4-methyl-1,3-dioxepane (Me-MDO) is reported. The introduction of side-groups to the polyester affects its degradability.
View article: Modification of CNF‐Networks by the Addition of Small Amounts of Well‐Defined Rigid Cationic Nanolatexes
Modification of CNF‐Networks by the Addition of Small Amounts of Well‐Defined Rigid Cationic Nanolatexes Open
Cellulose nanofibril (CNF)‐networks are modified by the addition of small amounts (below 10 wt%) of well‐defined cationic nanolatexes synthesized through reversible addition–fragmentation chain‐transfer‐mediated polymerization‐induced self…
View article: Effect of Hemicellulose Molecular Weight on Bonding Properties in Biobased Wood Adhesives
Effect of Hemicellulose Molecular Weight on Bonding Properties in Biobased Wood Adhesives Open
Today, the most commonly used adhesives in the wood industry are fossil-based, but the search for new, renewable and less hazardous, resources for adhesives is intensifying. Hemicelluloses show promising bonding performance when used as a …
View article: Tunable Adhesion and Interfacial Structure of Layer‐by‐Layer Assembled Block co‐polymer Micelle and Polyelectrolyte Coatings
Tunable Adhesion and Interfacial Structure of Layer‐by‐Layer Assembled Block co‐polymer Micelle and Polyelectrolyte Coatings Open
Understanding and tuning nanoscale structure is critical in developing new coatings and adhesives. In this work layer‐by‐layer assembly of block co‐polymer (BCP) micelles and oppositely charged polyelectrolytes produces structurally unique…
View article: Pinene-Based Oxidative Synthetic Toolbox for Scalable Polyester Synthesis
Pinene-Based Oxidative Synthetic Toolbox for Scalable Polyester Synthesis Open
Generation of renewable polymers is a long-standing goal toward reaching a more sustainable society, but building blocks in biomass can be incompatible with desired polymerization type, hampering the full implementation potential of biomat…
View article: Grafting of poly(ε‐caprolactone) from Abaca cellulose fibers via <scp>ring‐opening</scp> polymerization resulting in facile one‐pot biocomposites
Grafting of poly(ε‐caprolactone) from Abaca cellulose fibers via <span>ring‐opening</span> polymerization resulting in facile one‐pot biocomposites Open
As efforts to replace nonsustainable plastics increase, biocomposites from cellulose fibers and biodegradable polymers like poly(ε‐caprolactone) (PCL) are promising candidates. The necessary adhesion between fibers and matrix can be achiev…
View article: Redispersion Strategies for Dried Cellulose Nanofibrils
Redispersion Strategies for Dried Cellulose Nanofibrils Open
The potential for large-scale applications of cellulose nanofibrils (CNFs) is limited by the high water content of the starting material, which leads to high transportation costs and undesirable environmental impact. However, drying of CNF…
View article: Moisture uptake in nanocellulose: the effects of relative humidity, temperature and degree of crystallinity
Moisture uptake in nanocellulose: the effects of relative humidity, temperature and degree of crystallinity Open
Foams made from cellulose nanomaterials are highly porous and possess excellent mechanical and thermal insulation properties. However, the moisture uptake and hygroscopic properties of these materials need to be better understood for their…