Robert Liska
YOU?
Author Swipe
View article: Cleavable Silyl Ether Monomers with Elevated Thermomechanical Properties for Bone Regeneration
Cleavable Silyl Ether Monomers with Elevated Thermomechanical Properties for Bone Regeneration Open
Over the last years, stereolithography has developed to be one of the most promising fabrication techniques in tissue engineering. Posing the possibility of fabricating patient-specific, porous implants, it became especially attractive for…
View article: Photoinduced liberation of a phosphazene superbase as an initiator for oxa-Michael addition reactions
Photoinduced liberation of a phosphazene superbase as an initiator for oxa-Michael addition reactions Open
We describe herein the facile preparation and characterization of new photobase generators based on carboxylate-functionalized chromophores. They pair high wavelength absorption with the liberation of an extremely strong phosphazene superb…
View article: Photopolymerization‐Induced Phase Separation in (Meth)Acrylate‐Based Photopolymers From a Characterization Point of View
Photopolymerization‐Induced Phase Separation in (Meth)Acrylate‐Based Photopolymers From a Characterization Point of View Open
This work investigates the development of photopolymerization‐induced phase separation (PhIPS) in methacrylate‐based photopolymers. Bisphenol A ethoxylated dimethacrylate (BisEMA) was copolymerized with urethane‐based diacrylate diluted in…
View article: Trioxanes as photodegradable motifs for additive manufacturing
Trioxanes as photodegradable motifs for additive manufacturing Open
We introduce trioxanes as a new motif for on-demand photolysis of 3D printed polymer networks via an orthogonal light source using photoacid generators (PAGs). The acid-induced degradation of otherwise very stable trioxanes in combination …
View article: Mimicking thermoplastic properties in crosslinked photopolymers for additive manufacturing with tailored hyperbranched rubbers
Mimicking thermoplastic properties in crosslinked photopolymers for additive manufacturing with tailored hyperbranched rubbers Open
Conventional photopolymers used in light-based additive manufacturing are typically brittle materials with thermoset characteristics. Here we introduce a one-step synthesis of hyperbranched polyethylene rubbers functionalized with pendant …
View article: Two for one: Semi-crystalline and amorphous materials via multi-temperature 3D printing from one formulation
Two for one: Semi-crystalline and amorphous materials via multi-temperature 3D printing from one formulation Open
Multi-material 3D printing concerns the use of two or more 3D printable materials within a single printed part. The result is a composite that benefits from the combined properties of the individual 3D printed materials. Typically, a disti…
View article: Highlighting the Influence between Physical and Chemical Cross-Linking in Dynamic Hydrogels for Two-Photon Micropatterning
Highlighting the Influence between Physical and Chemical Cross-Linking in Dynamic Hydrogels for Two-Photon Micropatterning Open
Photolabile hydrogels have gained tremendous interest for a wide range of applications in materials and life sciences. Usually, photodegradability is introduced via chromophores and labile bonds, making such materials intrinsically light s…
View article: Thermoplastic-like mechanical performance of heterogeneous photopolymers for additive manufacturing with tailored hyperbranched rubbers
Thermoplastic-like mechanical performance of heterogeneous photopolymers for additive manufacturing with tailored hyperbranched rubbers Open
Toughening of 3D printed photopolymers was achieved by introducing endgroup functionalized hyperbranched polyethylene as a crosslinker to a maleimide-styrene photopolymer matrix to introduce microphase separation.
View article: Bridging the gap between performance and biocompatibility: non-toxic, multifunctional aliphatic photoinitiators based on α-ketoesters for lithography-based manufacturing applications
Bridging the gap between performance and biocompatibility: non-toxic, multifunctional aliphatic photoinitiators based on α-ketoesters for lithography-based manufacturing applications Open
Aliphatic photoinitiators based on α-ketoester moieties generate highly reactive and non-toxic radicals and can be used to initiate photopolymerization of (meth)acrylate and hydrogel resins for biomedical applications, outperforming commer…
View article: Trioxanes as photodegradable motifs for additive manufacturing
Trioxanes as photodegradable motifs for additive manufacturing Open
We introduce trioxanes as a new motif for on-demand photolysis of 3D printed polymer networks via an orthogonal light source using photoacid generators (PAGs).
View article: Investigation of Lewis photobase-catalysed oxa-Michael addition for hot lithography
Investigation of Lewis photobase-catalysed oxa-Michael addition for hot lithography Open
A set of Lewis-type photobase generators was synthesized and their ability to catalyze an oxa-Michael model reaction was compared. The best performing photobase generator was then used 3D-printing setups to produce objects with excellent r…
View article: Insights into the bulk kinetics of a 2K radical polymerization system based on the copper catalyzed cleavage of diboranes and its perspectives
Insights into the bulk kinetics of a 2K radical polymerization system based on the copper catalyzed cleavage of diboranes and its perspectives Open
This work explores the potential of a new two-component radical polymerization system with innovative analytical methods such as rheology/IR measurements during bulk polymerization.
View article: Decellularized Extracellular Matrix and Polyurethane Vascular Grafts Have Positive Effects on the Inflammatory and Pro‐Thrombotic State of Aged Endothelial Cells
Decellularized Extracellular Matrix and Polyurethane Vascular Grafts Have Positive Effects on the Inflammatory and Pro‐Thrombotic State of Aged Endothelial Cells Open
In vitro assessment of small‐diameter synthetic vascular grafts usually uses standard cell culture conditions with early‐passage cells. However, these conduits are mainly implanted in elderly patients and are subject to complex cellular in…
View article: Trapping crystallinity in highly crosslinked thermosets by light-based 3D printing from the liquid crystalline phase
Trapping crystallinity in highly crosslinked thermosets by light-based 3D printing from the liquid crystalline phase Open
We propel photopolymerizable liquid crystalline (LC) shape memory materials from solely elastomeric performance to the thermomechanical performance of tough, yielding thermosets. LC elastomers are at the forefront of smart, stimuli-respons…
View article: Rapid 3D printing of unlayered, tough epoxy–alcohol resins with late gel points <i>via</i> dual-color curing technology
Rapid 3D printing of unlayered, tough epoxy–alcohol resins with late gel points <i>via</i> dual-color curing technology Open
Herein, printing a wide-meshed methacrylate matrix-assisted epoxide network utilizing alcohol chain transfer in a semi-orthogonal curing leads to tough interpenetrating networks much faster, at lower intensities and without layer artefacts.
View article: Micropatterning of Confined Surfaces with Polymer Brushes by Two‐Photon‐Initiated Reversible Addition–Fragmentation Chain‐Transfer Polymerization
Micropatterning of Confined Surfaces with Polymer Brushes by Two‐Photon‐Initiated Reversible Addition–Fragmentation Chain‐Transfer Polymerization Open
Photopatterned polymer brushes provide a viable option to alter the surface properties of biosensors, substrates for tissue engineering, or microelectronic implants. Although the one‐photon direct laser writing enables excellent control ov…
View article: Macromolecular metamorphosis of thermoplastic poly(thio)urethanes containing boronic acid esters
Macromolecular metamorphosis of thermoplastic poly(thio)urethanes containing boronic acid esters Open
Biodegradable thermoplastic polyurethanes (TPUs) are promising materials for vascular grafts, due to their excellent mechanical properties and the possibility to incorporate degradable moieties. Especially degradability is important in the…
View article: Cyclic Acetals as Expanding Monomers to Reduce Shrinkage
Cyclic Acetals as Expanding Monomers to Reduce Shrinkage Open
Polarity‐reversal catalysts (PRCs) for hydrogen‐atom transfer reactions have been known in radical chemistry for more than 60 years but are rarely described and utilized in the field of photopolymerization up to now. Herein, we present the…
View article: A Systematic Study on Biobased Epoxy‐Alcohol Networks: Highlighting the Advantage of Step‐Growth Polyaddition over Chain‐Growth Cationic Photopolymerization
A Systematic Study on Biobased Epoxy‐Alcohol Networks: Highlighting the Advantage of Step‐Growth Polyaddition over Chain‐Growth Cationic Photopolymerization Open
Vanillyl alcohol has emerged as a widely used building block for the development of biobased monomers. More specifically, the cationic (photo‐)polymerization of the respective diglycidyl ether (DGEVA) is known to produce materials of outst…
View article: Color-Stable Formulations for 3D-Photoprintable Dental Materials
Color-Stable Formulations for 3D-Photoprintable Dental Materials Open
Color stability is crucial for dental materials to ensure they perfectly match a patient’s tooth color. This is particularly challenging in photoresist-based additive manufacturing. Although some studies have addressed this issue, the exac…
View article: Photo‐induced catalytic poly‐trimerization of polyisocyanurates
Photo‐induced catalytic poly‐trimerization of polyisocyanurates Open
Radiation curing is an excellent option for the economical implementation of coatings while simultaneously producing technically advanced products. Nevertheless, the number of materials used is mainly limited to pure (meth)acrylate and epo…
View article: From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing
From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing Open
Photopolymers have been optimized as protective and decorative coating materials for decades. However, with the rise of additive manufacturing technologies, vat photopolymerization has unlocked the use of photopolymers for three-dimensiona…
View article: 3D printable aliphatic polycarbonate networks from cationic ring-opening photopolymerization of spiro-orthocarbonates
3D printable aliphatic polycarbonate networks from cationic ring-opening photopolymerization of spiro-orthocarbonates Open
We demonstrate light-based 3D printing of pure poly(ether carbonate) networks free of shrinkage stress. Expanding the recently pioneered concept of pure cationic double ring-opening photopolymerization of spiro-orthoesters at elevated temp…
View article: Boron–boron bonds: boldly breaking boundaries towards amine- and peroxide-free 2K radical polymerization
Boron–boron bonds: boldly breaking boundaries towards amine- and peroxide-free 2K radical polymerization Open
Free radical polymerization (FRP) is one of the most important tools for the production of polymer materials.
View article: Novel thermal initiator systems for radical induced cationic frontal polymerization
Novel thermal initiator systems for radical induced cationic frontal polymerization Open
Frontal polymerization is an extremely efficient and rapid method for producing bulk polymers, characterized by a self-sustaining curing front that propagates throughout the resin.
View article: Contents list
Contents list Open
The home for the most innovative and exciting polymer chemistry, with an emphasis on polymer synthesis and applications thereof rsc.li/polymersThe Royal Society of Chemistry is the world's leading chemistry community.Through our high impac…
View article: Implementing miniemulsion photopolymerization for synthesis of waterborne biobased poly(thioethers) coatings
Implementing miniemulsion photopolymerization for synthesis of waterborne biobased poly(thioethers) coatings Open
Herein, miniemulsion photopolymerization is implemented as a useful tool for synthesis of waterborne poly(thioether) dispersions from biobased monomers isosorbide-based dithiol (3R,3aR,6S,6aR)-hexahydrofuro[3,2-b]furan-3,6-diyl bis(3-merca…