Výsledky vyhledávání - "Dhiraj K. Garg"

Numerical Investigations of Different Tubular Microreactor Geometries for the Synthesis of Polymers under Unmixed Feed Condition

Autor: Michel Bouquey, Yannick Hoarau, Christophe A. Serra, René Muller, Dhiraj K. Garg, Dambarudhar Parida

Publikováno v: Macromolecular Theory and Simulations
Macromolecular Theory and Simulations, Wiley-VCH Verlag, In press, ⟨10.1002/mats.202000008⟩
Macromolecular Theory and Simulations, In press, ⟨10.1002/mats.202000008⟩

Two tubular microreactor geometries—straight tube reactor (STR) and coil flow inverter reactor (CFIR)—are numerically studied with unmixed feed condition for the synthesis of poly(methyl methacrylate) and poly(styrene) by free radical polymerizat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e18ec307ad4bd19ac73175e10eca588
Wiley Online Library

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Atom Transfer Radical Polymerization in Continuous Microflow: Effect of Process Parameters

Autor: Dhiraj K. Garg, Yannick Hoarau, Michel Bouquey, Dambarudhar Parida, Rigoberto Ibarra Gomez, Christophe A. Serra, René Muller

Publikováno v: Journal of flow chemistry
Journal of flow chemistry, 2014, 4 (2), pp.92-96. ⟨10.1556/JFC-D-14-00003⟩
Journal of flow chemistry, Akademiai Kiado, 2014, 4 (2), pp.92-96. ⟨10.1556/JFC-D-14-00003⟩

We report on the synthesis of 2-(dimethylamino)ethyl methacrylate by atom transfer radical polymerization (ATRP) in tubular microreactors. Different process parameters, temperature, pressure, and shear rate, were considered to accelerate the reaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd15b433948abf5459b8538bf61f2fa0
https://doi.org/10.1556/jfc-d-14-00003

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New transformation proposed for improving CFD simulation of free radical polymerization reactions in microreactors

Autor: Dambarudhar Parida, Michel Bouquey, Dhiraj K. Garg, Yannick Hoarau, René Muller, Christophe A. Serra

Publikováno v: Microfluidics and Nanofluidics
Microfluidics and Nanofluidics, Springer Verlag, 2015, 18 (5-6), pp.1287-1297. ⟨10.1007/s10404-014-1527-3⟩
Microfluidics and Nanofluidics, 2015, 18 (5-6), pp.1287-1297. ⟨10.1007/s10404-014-1527-3⟩

A new yet simple transformation is proposed to significantly improve the accuracy of computational fluid dynamics (CFD) modeling and simulations of free radical polymerization (FRP) reactions carried out especially in flow microreactors. The new tran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07bf2401abdff941bb547c7a96fdd584
https://hal.archives-ouvertes.fr/hal-02273459

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Analytical Solution of Free Radical Polymerization: Applications- Implementing Gel Effect Using AK Model

Autor: Yannick Hoarau, Dambarudhar Parida, René Muller, Michel Bouquey, Christophe A. Serra, Dhiraj K. Garg

Publikováno v: Macromolecules
Macromolecules, 2014, 47 (21), pp.7370-7377. ⟨10.1021/ma501413m⟩
Macromolecules, American Chemical Society, 2014, 47 (21), pp.7370-7377. ⟨10.1021/ma501413m⟩

In this work, gel/glass/cage effects using the Achillias and Kiparissides (AK) model has been incorporated in the analytical solution (AS) obtained in our previous work. The AK model is based on the Chiu, Carratt, and Soong (CCS) model and free volum

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3525e5aba44d57ee6b3f79b4a68f18a
https://hal.science/hal-02273458

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Coil Flow Inversion as a Route To Control Polymerization in Microreactors

Autor: Yannick Hoarau, Dambarudhar Parida, Florence Bally, Michel Bouquey, Christophe A. Serra, Dhiraj K. Garg, René Muller

Publikováno v: Macromolecules
Macromolecules, American Chemical Society, 2014, 47 (10), pp.3282-3287. ⟨10.1021/ma5001628⟩
Macromolecules, 2014, 47 (10), pp.3282-3287. ⟨10.1021/ma5001628⟩

International audience; Linear and branched polymers of 2-(dimethylamino)ethyl methacrylate (PDMAEMA) were synthesized in flow by atom transfer radical polymerization (ATRP) and self-condensing vinyl copolymerization adapted to ATRP, respectively, in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd9ac6719a200e331a7135f4496959d0
https://hal.archives-ouvertes.fr/hal-02545281

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Analytical Solution of Free Radical Polymerization: Applications- Implementing Gel Effect Using CCS Model

Autor: Dhiraj K. Garg, Christophe A. Serra, Yannick Hoarau, Dambarudhar Parida, M. Bouquey, R. Muller

Publikováno v: Macromolecules
Macromolecules, 2014, 47 (23), pp.8178-8189. ⟨10.1021/ma501251j⟩
Macromolecules, American Chemical Society, 2014, 47 (23), pp.8178-8189. ⟨10.1021/ma501251j⟩

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::322dbfae8e3102d03c6b7050c7924cee
https://hal.science/hal-02273456

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Flow Inversion: An Effective Means to Scale-Up Controlled Radical Polymerization Tubular Microreactors: Flow Inversion: An Effective Means to Scale-Up Controlled Radical …

Autor: Yannick Hoarau, Dambarudhar Parida, Michel Bouquey, Christophe A. Serra, Dhiraj K. Garg, René Muller

Publikováno v: Macromolecular Reaction Engineering
Macromolecular Reaction Engineering, 2014, 8 (8), pp.597-603. ⟨10.1002/mren.201400002⟩
Macromolecular Reaction Engineering, Wiley-VCH Verlag, 2014, 8 (8), pp.597-603. ⟨10.1002/mren.201400002⟩

Continuous-flow atom transfer radical polymerization of 2-(dimethylamino)ethyl methacrylate in tubular microreactors of different diameters and geometries is studied. Scale-up of tubular reactors from micro (876 μm ID) to milliscales (1753 and 4083

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e435e67c64d5b05c5c8e255eecaa11a6
https://hal.science/hal-02273447

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Analytical Solution of Free Radical Polymerization: Derivation and Validation

Autor: Michel Bouquey, René Muller, Dambarudhar Parida, Yannick Hoarau, Christophe A. Serra, Dhiraj K. Garg

Publikováno v: Macromolecules
Macromolecules, 2014, 47 (14), pp.4567-4586. ⟨10.1021/ma500480z⟩
Macromolecules, American Chemical Society, 2014, 47 (14), pp.4567-4586. ⟨10.1021/ma500480z⟩

An elegant, simple, and exact analytical solution (AS) was obtained for a large range of elementary steps with practical importance in free radical polymerization. The AS matches excellently with the numerical solution for the four cases of monomer�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af61871eb35a59e626e7d4437def3760
https://doi.org/10.1021/ma500480z

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Analytical Solution of Free Radical Polymerization: Applications-Implementing Nonisothermal Effect

Autor: Dambarudhar Parida, Dhiraj K. Garg, Yannick Hoarau, René Muller, Christophe A. Serra, Michel Bouquey

Publikováno v: Macromolecules
Macromolecules, 2014, 47 (24), pp.8514-8523. ⟨10.1021/ma501964h⟩
Macromolecules, American Chemical Society, 2014, 47 (24), pp.8514-8523. ⟨10.1021/ma501964h⟩

Analytical solution (AS), as derived in our previous works for isothermal free radical polymerization (FRP), has been extended to nonisothermal conditions in this work. Only one differential equation, i.e., the energy balance equation, was required t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cd022f9a92c1464809e0e4f9fcd837b
https://hal.science/hal-02273457

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