Effect of coinitiator type on initiation efficiency of two‐component photoinitiator systems based on Eosin

Popielarz, Roman; Vogt, Otmar

doi:10.1002/pola.22688

Cited by 47 publications

(33 citation statements)

References 62 publications

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“…In the presence of electron donors such as tertiary amines, the negatively charged dye Eosin-Y (Eos) has been described as an efficient photoinitiator for the free radical polymerization of several monomers in homogeneous medium [24][25][26][27][28][29]. This PI has been used as an efficient photoinitiator for surface modification by surface-mediated polymerization [30].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of latex nanoparticles using a visible-light photoinitiating system in reverse micelles

et al. 2014

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This work shows the feasibility of using the photoinitiating system composed by the xanthene dye Eosin-Y and triethanolamine on the polymerization of acrylamide in benzyl-hexadecyl-dimethylammonium chloride (BHDC) reverse micelles. Molecular weights of polyacrylamide (MW PAA ) in the order of 10 5 and conversions up to 90 % are obtained. The size of the latex particles is in the range of the nanometers (d<50 nm). The effect of water content and concentrations of surfactant, amine, dye, and monomer on the particle size and MW PAA are examined. Only the amine and monomer concentrations affect the MW PAA . These results are interpreted on the basis of an exchange mechanism between micelles. Practically no effect on hydrodynamic diameters is observed when the value of MW PAA is doubled. This is ascribed to a supercoiled structure of PAA inside of micelles. Our results also suggest that the polymer properties can be modulated by appropriate combination of the dye/surfactant electrical charges.

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Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of latex nanoparticles using a visible-light photoinitiating system in reverse micelles

et al. 2014

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“…The quantum yields ( Φ R . ) of eosin Y and erythrosin B as obtained from literature were 0.28 and 0.62, respectively 38 …”

Section: Resultsmentioning

confidence: 91%

Accurate garbage collection in uncooperative environments revisited

Baker

Cunei

Kalibera

et al. 2009

Concurrency and Computation

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SUMMARYImplementing a concurrent programming language such as Java by means of a translator to an existing language is attractive as it provides portability over all platforms supported by the host language and reduces development time-as many low-level tasks can be delegated to the host compiler. The C and C++ programming languages are popular choices for many language implementations due to the availability of efficient compilers on a wide range of platforms. For garbage-collected languages, however, they are not a perfect match as no support is provided for accurately discovering pointers to heap-allocated data on thread stacks. We evaluate several previously published techniques and propose a new mechanism, lazy pointer stacks, for performing accurate garbage collection in such uncooperative environments. We implemented the new technique in the Ovm Java virtual machine with our own Java-to-C/C++ compiler using GCC as a back-end compiler. Our extensive experimental results confirm that lazy pointer stacks outperform existing approaches: we provide a speedup of 4.5% over Henderson's accurate collector with a 17% increase in code size. Accurate collection is essential in the context of real-time systems, we thus validate our approach with the implementation of a real-time concurrent garbage collection algorithm.

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“…Such materials are often prepared via a photopolymerization mechanism. Xanthene dyes like Erythrosine, Rose Bengal and Eosin, in the presence of electron donors such as tertiary amines, have been described as efficient photoinitiators for the free radical polymerization of acrylate monomers in aqueous solutions . The tertiary amine is used as oxidizing species whereas the dye acts as reducing agent .…”

Section: Introductionmentioning

confidence: 99%

Erythrosine/Triethanolamine System to Elaborate Crosslinked Poly(2‐hydroxyethylmethacrylate): UV‐Photopolymerization and Swelling Studies

Hamri¹,

Bouchaour²,

Maschke

2014

Macromolecular Symposia

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Summary A system composed of Erythrosine and Triethanolamine was applied as photo‐initiator for the UV‐photopolymerization of 2‐Hydroxyethyl methacrylate together with a crosslinking agent 1,6‐Hexanediol diacrylate, in aqueous medium. The analysis of UV‐visible and infrared spectra, which were taken at different times during polymerization/crosslinking, makes it possible to obtain useful information on the reaction mechanism. The swelling behavior of these elaborated crosslinked polymer networks in different solvents is examined. It was found that the disappearance of the Erythrosine molecule depends on the nature of the solvent. The theoretical results calculated with the Fick diffusion model show a good correlation with the swelling experiments.

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Effect of coinitiator type on initiation efficiency of two‐component photoinitiator systems based on Eosin

Cited by 47 publications

References 62 publications

Synthesis and characterization of latex nanoparticles using a visible-light photoinitiating system in reverse micelles

Synthesis and characterization of latex nanoparticles using a visible-light photoinitiating system in reverse micelles

Accurate garbage collection in uncooperative environments revisited

Erythrosine/Triethanolamine System to Elaborate Crosslinked Poly(2‐hydroxyethylmethacrylate): UV‐Photopolymerization and Swelling Studies

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