Temperature stability of an argillite/K-geopolymer composite: Impact of argillite filler on dimensional behavior

Autor: Sandrine Gomes, Lawrence Frezet, Elodie Petit, Svetlana Petlickaia, Sylvie Rossignol, Nathalie Texier-Mandoki, Guillaume Renaudin

Publikováno v: Open Ceramics, Vol 5, Iss , Pp 100081- (2021)

Pure model geopolymers present a promising potential for high-temperature binders for structural or coating applications. However, their well-known chemical stability, which can reach 1400 ​°C in the case of K-activated geopolymer, is accompanied

Externí odkaz: https://doaj.org/article/b4d9628ad8574e11bdfedd083563ff74

The impact of material design on the photocatalytic removal efficiency and toxicity of two textile dyes

Autor: Sonia Cherif, Hayet Djelal, Stephane Firmin, Pierre Bonnet, Lawrence Frezet, Abdoulaye Kane, Aymen Amine Assadi, Mohamed Trari, Hynda Yazid

Publikováno v: Environmental Science and Pollution Research
Environmental Science and Pollution Research, 2022, 29, pp.66640-66658. ⟨10.1007/s11356-022-20452-2⟩

This study deals with the toxicity of the treated solutions of two types of dyes, namely, the anthraquinonic Reactive Bleu 19 dye (RB19) and the bi-azoic Direct Red 227 dye (DR227), which are treated in single and binary mixture systems. The target m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f27cb81f10c05fbe59e619bee1b55f9
https://pubmed.ncbi.nlm.nih.gov/35504995

Temperature stability of a pure metakaolin based K‐geopolymer: Part 2. Variations in the mesoporous network and its rehydration stability

Autor: Ameni Gharzouni, Jean-Marie Nedelec, Elodie Petit, Sandrine Gomes, Guillaume Renaudin, Sylvie Rossignol, Lawrence Frezet

Publikováno v: Journal of the American Ceramic Society
Journal of the American Ceramic Society, 2020, 103 (10), pp.5813-5824. ⟨10.1111/jace.17127⟩
Journal of the American Ceramic Society, Wiley, 2020, 103 (10), pp.5813-5824. ⟨10.1111/jace.17127⟩

International audience; The thermal behavior of a model MK‐based K‐geopolymer was investigated between room temperature and 1400°C in order to evaluate its potentiality for high‐temperature applications. The purpose of our study was to monitor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f772d6ef417d13e76cdbee7a627fd964
https://hal.science/hal-02927209

Preparation and Photocatalytic Properties of a Hierarchical BiOCl/BiOF Composite Photocatalyst

Autor: Lawrence Frezet, Jiushan Cheng, Pierre Bonnet, Cong Wang

Publikováno v: Catalysis Letters
Catalysis Letters, Springer Verlag, 2018, 148 (5), pp.1281-1288. ⟨10.1007/s10562-018-2296-5⟩
Catalysis Letters, 2018, 148 (5), pp.1281-1288. ⟨10.1007/s10562-018-2296-5⟩

International audience; In this paper, a BiOCl/BiOF composite photocatalyst was obtained via simple mixture method. The as-synthesized sample was characterized by X-Ray Diffraction, Raman scattering, scanning electron microscopy, UV–Vis. diffuse re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::033297d94483197421e91daed956ba84
https://hal.archives-ouvertes.fr/hal-01826208

Enhancement of surface properties on Low Density Polyethylene packaging films using various fluorination routes

Autor: Marc Dubois, Jérémy Peyroux, Eric Tomasella, Delphine Flahaut, Alexander P. Kharitonov, Lawrence Frezet

Publikováno v: European Polymer Journal
European Polymer Journal, Elsevier, 2015, 66, pp.18-32. ⟨10.1016/j.eurpolymj.2014.12.040⟩
European Polymer Journal, 2015, 66, pp.18-32. ⟨10.1016/j.eurpolymj.2014.12.040⟩

International audience; Nowadays, packaging market deployment requires an important attention. Influence of treatment with molecular (F2) or atomic (Fradical dot) fluorine on properties of Low Density Polyethylene (LDPE) films was investigated. The f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96b0cd3404530ff7532f87021eb570f9
https://doi.org/10.1016/j.eurpolymj.2014.12.040