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Synthesis, Characterization and Cytotoxicity of Novel Thermoresponsive Star Copolymers of N,N′-Dimethylaminoethyl Methacrylate and Hydroxyl-Bearing Oligo(Ethylene Glycol) Methacrylate KU Leuven
Novel, nontoxic star copolymers of N,N-dimethylaminoethyl methacrylate (DMAEMA) and hydroxyl-bearing oligo(ethylene glycol) methacrylate (OEGMA-OH) were synthesized via atom transfer radical polymerization (ATRP) using hyperbranched poly(arylene oxindole) as the macroinitiator. Stars with molar masses from 100,000 g/mol to 257,000 g/mol and with various amounts of OEGMA-OH in the arms were prepared. As these polymers can find applications, e.g., ...
Nonviral Plasmid DNA Carriers Based on N,N'-Dimethylaminoethyl Methacrylate and Di(ethylene glycol) Methyl Ether Methacrylate Star Copolymers KU Leuven
Star polymers with random and block copolymer arms made of cationic N,N'-dimethylaminoethyl methacrylate (DMAEMA) and nonionic di(ethylene glycol) methyl ether methacrylate (DEGMA) were synthesized via atom transfer radical polymerization (ATRP) and used for the delivery of plasmid DNA in gene therapy. All stars were able to form polyplexes with plasmid DNA. The structure and size of the polyplexes were precisely determined using light ...
Coupled matrix-based Monte Carlo modeling for a mechanistic understanding of poly (methyl methacrylate) thermochemical recycling kinetics Ghent University
Coupled matrix-based Monte Carlo (CMMC) modeling is applied to gain a deeper understanding of the mechanism underlying the thermochemical degradation of poly(methyl methacrylate) (PMMA). We take into account six elementary fission reaction types, five elementary beta-scission reaction types, as well as termination by recombination and disproportionation. Additionally, we consider the influence of chain length-dependent diffusional limitations. ...
Planar polymer waveguides with a graded-index profile resulting from intermixing of methacrylates in closed microchannels Ghent University
Visible light-induced iniferter polymerization of methacrylates enhanced by continuous flow Hasselt University
Recently, new opportunities have emerged for the synthesis of functional polymers and materials by light-induced controlled radical polymerization techniques. Light-induced polymerization reactions implemented in batch reactors require chromophores as initiators or activators, and with increasing optical pathlength light is successively absorbed, lowering the overall efficiency of the reactions. This typically leads to long reaction times, ...
Relationship between the Free Radical Polymerization Rates of Methacrylates and the Chemical Properties of their Monomeric Radicals Vrije Universiteit Brussel
A computational approach to the free radical polymerization of acrylates and methacrylates Ghent University
A pyrrolidine functionalized poly[(ethylene glycol) methacrylate] resin as a heterogeneous catalyst for aqueous aldol reactions Ghent University KU Leuven
The development of a performant aminated catalyst for aldol condensations requires the combined tuning of the active site, support and solvent system. For this purpose, a pyrrolidine group was immobilized on a swellable polymer resin. Favorable interactions between the support and water (in its role as solvent) resulted in a turnover frequency (TOF) amounting to 3.0 ± 1.5 × 10−3 s−1, despite potential inhibition of the active sites by formation ...
Poly(methyl methacrylate) capsules as an alternative to the "proof-of-concept" glass capsules used in self-healing concrete KU Leuven Ghent University
© 2018 Elsevier Ltd Development of suitable capsules is essential to achieve self-healing by encapsulation. In the context of self-healing concrete, capsules that can be easily mixed into concrete and release the healing agent when cracking occurs are ideally required. The optimization of these properties would allow for a successful implementation at large scale in practical (concrete) applications. In the present work, the suitability of ...