Lourdes Irusta
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View article: Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a Thermoplastic‐to‐Thermoset Transition
Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a Thermoplastic‐to‐Thermoset Transition Open
A new class of epoxy thermosets is presented, prepared using ammonium salts as hardeners, enabling the direct formulation of networks with ionic functionality from simple, industrially available building blocks. The curing process occurs i…
View article: A Review of the Sampling, Analysis, and Identification Techniques of Microplastics in the Air: Insights into PM2.5 and PM10
A Review of the Sampling, Analysis, and Identification Techniques of Microplastics in the Air: Insights into PM2.5 and PM10 Open
The massive use of plastics has raised growing environmental concerns, including microplastic (MP) pollution. While most studies have focused on MPs in aquatic environments, research on airborne microplastics has gained increasing attentio…
View article: A Material Platform Based on Dissociative CO<sub>2</sub>-Derived <i>N,O-</i>Acetals for Tunable Degradation of 3D Printable Materials
A Material Platform Based on Dissociative CO<sub>2</sub>-Derived <i>N,O-</i>Acetals for Tunable Degradation of 3D Printable Materials Open
Modern-day thermosetting polymers should be designed with circular economy principles in mind, considering both their recyclability and end-of-life options. Covalent adaptable networks (CANs) have the potential to address the environmental…
View article: Recycling of Epoxy Resin via Blending with Polycaprolactone for Fused Filament Fabrication 3D Printing Applications
Recycling of Epoxy Resin via Blending with Polycaprolactone for Fused Filament Fabrication 3D Printing Applications Open
As a way of recycling epoxy thermoset materials, they were blended with polycaprolactone (PCL) and processed in the form of filament to be used for fused deposition modeling (FDM) 3D printing. Three different epoxy materials were considere…
View article: Microwave and Polymer-Assisted Synthesis of Ultrasmall Polydopamine Nanoparticles: Applications as Support for Peroxidase-like Activity and as Intracellular Iron Delivery Platform
Microwave and Polymer-Assisted Synthesis of Ultrasmall Polydopamine Nanoparticles: Applications as Support for Peroxidase-like Activity and as Intracellular Iron Delivery Platform Open
Tuning the size of nanomaterials is a critical factor to consider when designing and optimizing their applications. In this context, polydopamine nanoparticles have demonstrated potential across a wide range of biomedical applications (Bat…
View article: Comparative Life Cycle Assessment of Recyclable Polyhydroxyurethanes Synthesized from Five- and Six-Membered Carbonates
Comparative Life Cycle Assessment of Recyclable Polyhydroxyurethanes Synthesized from Five- and Six-Membered Carbonates Open
Polyhydroxyurethanes (PHUs) synthesized from cyclic carbonates are promising alternatives to conventional polyurethanes due to their advantageous isocyanate-free synthesis and reprocessability characteristics. While many studies focus on P…
View article: Fully Recyclable Pluripotent Networks for 3D Printing Enabled by Dissociative Dynamic Bonds
Fully Recyclable Pluripotent Networks for 3D Printing Enabled by Dissociative Dynamic Bonds Open
Additive manufacturing (AM) has risen in popularity due to its ability to produce complex shapes in a material‐efficient way. However, to produce objects with advanced properties, complex multimaterial strategies are often employed. This o…
View article: Sustainable and biobased self-blown polycarbonate foams: from synthesis to application
Sustainable and biobased self-blown polycarbonate foams: from synthesis to application Open
In this work, we prepare isocyanate free polycarbonate foams to be used as hydroponic growing media.
View article: Mechanical, barrier, and photodegradation properties of biodegradable PLA-based blend films
Mechanical, barrier, and photodegradation properties of biodegradable PLA-based blend films Open
PCL and ElvaloyPTW improve the ductility and gas barrier properties of PLA. UV irradiation decreases the molecular weight of PLA and increases its crystallization.
View article: Phosphorus-containing lignin intermediates as reactive bio-based flame-retardants for polyurethane and acrylic coatings for wood
Phosphorus-containing lignin intermediates as reactive bio-based flame-retardants for polyurethane and acrylic coatings for wood Open
Wood has limited fire-retardant properties but this can be improved by using coatings with sustainable and costeffective flame retardants. For this purpose, lignin is a potential candidate due to its highly aromatic structure and low cost.…
View article: UV-curable acrylic end-capped amphoteric waterborne polyurethane coatings
UV-curable acrylic end-capped amphoteric waterborne polyurethane coatings Open
Waterborne polyurethane dispersions (WPUs) are environmentally friendly coatings since they present low amount of volatile organic compound amounts (VOCs). In the majority of the WPUs the dispersions are balanced with anionic groups and ac…
View article: Unlocking superior properties in polypropylene/polyethylene terephthalate (PP/PET) blends using an ethylene-butylene-acrylate terpolymer reactive compatibilizer
Unlocking superior properties in polypropylene/polyethylene terephthalate (PP/PET) blends using an ethylene-butylene-acrylate terpolymer reactive compatibilizer Open
The increasing global plastic production has created an urgent demand for energy-efficient processes to transform mixed plastic waste into value-added products via upcycling. Compatibilization of polypropylene (PP) and poly(ethylene tereph…
View article: Chemical structure of zwitterionic monomers as a tool to produce colloidally stable (meth)acrylic polymer colloids
Chemical structure of zwitterionic monomers as a tool to produce colloidally stable (meth)acrylic polymer colloids Open
This study investigates how the chemical structure of sulfobetaine zwitterionic monomers (ZMs) as the exclusive source of ions affects the formation of in-situ colloidal stabilizing units during emulsion polymerization of methyl methacryla…
View article: High‐Impact PLA in Compatibilized PLA/PCL Blends: Optimization of Blend Composition and Type and Content of Compatibilizer
High‐Impact PLA in Compatibilized PLA/PCL Blends: Optimization of Blend Composition and Type and Content of Compatibilizer Open
In this work, the effectiveness of seven commercial compatibilizers is tested in polylactide (PLA)/poly(ε‐caprolactone) (PCL) blends with different compositions to obtain a high‐impact PLA. None of the compatibilizers is effective for 90/1…
View article: Exploiting the Use of the Decarboxylative S‐Alkylation Reaction to Produce Self‐Blowing, Recyclable Polycarbonate Foams
Exploiting the Use of the Decarboxylative S‐Alkylation Reaction to Produce Self‐Blowing, Recyclable Polycarbonate Foams Open
Polymeric foams are widely used in many industrial applications due to their light weight and superior thermal, mechanical, and optical properties. Currently, increasing research efforts is being directed towards the development of greener…
View article: Ammonium polyphosphate-melamine synergies in thermal degradation and smoke toxicity of flexible polyurethane foams
Ammonium polyphosphate-melamine synergies in thermal degradation and smoke toxicity of flexible polyurethane foams Open
Polyurethane (PUR) foams can lead to fatal fires in the presence of an ignition and oxygen source. Obviously, the problem is not the mere loss of PUR foams properties but essentially, the smoke and toxic gases which are the main factors re…
View article: Bio-Based Phosphate-Containing Polyester for Improvement of Fire Reaction in Wooden Particleboard
Bio-Based Phosphate-Containing Polyester for Improvement of Fire Reaction in Wooden Particleboard Open
A new phosphate-containing bio-polyester based on glycerol and citric acid was synthesized and evaluated as fire-retardant (FR) in wooden particleboards. Phosphorus pentoxide was used to first introduce phosphate esters in the glycerol fol…
View article: Polyhydroxyurethane covalent adaptable networks: looking for suitable catalysts
Polyhydroxyurethane covalent adaptable networks: looking for suitable catalysts Open
Various bases (DMAP, DBU, TBD, t -BuOK), acid ( p -TSA), thiourea (TU) and organometallic Lewis acid (DBTDL) were investigated as potential catalysts for the preparation of polyhydroxyurethane covalent adaptable networks.
View article: Crosslinking versus interdiffusion in two pot one pack acetoacetoxy-amine based binder system
Crosslinking versus interdiffusion in two pot one pack acetoacetoxy-amine based binder system Open
A two-pot-one-pack waterborne crosslinking system is studied by following the crosslinking and interdiffusion between the polymer particles functionalized with acetoacetoxy on one hand and with polyethyleneimine on the other. FTIR spectros…
View article: Waterborne hybrid polyurethane coatings containing Casein as sustainable green flame retardant through different synthesis approaches
Waterborne hybrid polyurethane coatings containing Casein as sustainable green flame retardant through different synthesis approaches Open
Waterborne polyurethane (WPU) dispersions were prepared for flame retardant coatings. Specifically, alkoxysilane-capped polycaprolactone-based WPUs were synthesized employing the acetone process, and Casein, as a green and sustainable flam…
View article: Polyurethane/acrylic hybrid dispersions containing phosphorus reactive flame retardants as transparent coatings for wood
Polyurethane/acrylic hybrid dispersions containing phosphorus reactive flame retardants as transparent coatings for wood Open
Phosphorus modified polyurethane/acrylic hybrid dispersions were prepared for flame retardant transparent wood coatings. The polymerisation was carried out in three steps. In the first one, the polyurethane was synthesised using an acrylic…
View article: Enhanced and Reusable Poly(hydroxy urethane)-Based Low Temperature Hot-Melt Adhesives
Enhanced and Reusable Poly(hydroxy urethane)-Based Low Temperature Hot-Melt Adhesives Open
Poly(hydroxy urethane)s (PHUs) based on 5-membered cyclic carbonates have emerged as sustainable alternatives to conventional isocyanate-based polyurethanes. However, while from the point of view of sustainability they represent an improve…
View article: Polydimethylsiloxane containing waterborne hydrophobic polyurethane coatings with good adhesion to metals: Synthesis and characterization
Polydimethylsiloxane containing waterborne hydrophobic polyurethane coatings with good adhesion to metals: Synthesis and characterization Open
Waterborne polyurethanes (WPU) are of great importance in the industrial field as adhesives and coatings due to reduced use of organic solvents in their formulations. One of the main drawbacks of these formulations is their high hydrophili…
View article: Recyclable Epoxy Resin via Simultaneous Dual Permanent/Reversible Crosslinking Based on Diels–Alder Chemistry
Recyclable Epoxy Resin via Simultaneous Dual Permanent/Reversible Crosslinking Based on Diels–Alder Chemistry Open
Taking advantage of the reversible Diels–Alder (DA) reaction, a simple strategy to obtain recyclable epoxy resins is presented. For this purpose, blends of furan‐functionalized and nonfunctionalized epoxy resin are prepared. After the addi…
View article: Development and characterization of electrosprayed microcaspules of poly ε-caprolactone with citronella oil for mosquito-repellent application
Development and characterization of electrosprayed microcaspules of poly ε-caprolactone with citronella oil for mosquito-repellent application Open
Several life-threatening diseases such as malaria, dengue or zika are transmitted by mosquito bites. Although there are several products available for personal protection against mosquitoes, the adequate efficacy of natural insect repellen…
View article: Self-assembly of a patterned hydrophobic-hydrophilic surface by soft segment microphase separation in a segmented polyurethane: Combined experimental study and molecular dynamics simulation
Self-assembly of a patterned hydrophobic-hydrophilic surface by soft segment microphase separation in a segmented polyurethane: Combined experimental study and molecular dynamics simulation Open
Designing surfaces with patterns of varying wettability is of significant importance for many applications. This fascinating feature is inspired from nature where it is absolutely vital for survival of some living creatures. This research …