Výsledky vyhledávání - "Hülya U. Sokoli"

Towards understanding the breakdown and mechanisms of glass fiber reinforced polyester composites in sub-critical water using some of the most employed and efficient additives from literature

Autor: Hülya U. Sokoli, Erik Gydesen Søgaard, Morten Enggrob Simonsen

Publikováno v: Sokoli, H U, Simonsen, M E & Søgaard, E G 2018, ' Towards understanding the breakdown and mechanisms of glass fiber reinforced polyester composites in sub-critical water using some of the most employed and efficient additives from literature ', Polymer Degradation and Stability, vol. 152, pp. 10-19 . https://doi.org/10.1016/j.polymdegradstab.2018.03.016

This study describes the hydrolysis of glass fiber reinforced unsaturated polyester (UP) composites using some of the most employed and efficient additives from the literature. This includes the use of KOH, a mix of KOH/phenol and reference experimen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14c936d8dcb73eab4d9b5ee463e2a0fe
https://doi.org/10.1016/j.polymdegradstab.2018.03.016

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Recovery of value-added chemicals by solvolysis of unsaturated polyester resin

Autor: Katarzyna Ratajczyk Arturi, Erik Gydesen Søgaard, Hülya U. Sokoli, Frédéric Vogel, Saša Bjelić

Publikováno v: Arturi, K R, Sokoli, H U, Søgaard, E G, Vogel, F & Bjelić, S 2018, ' Recovery of value-added chemicals by solvolysis of unsaturated polyester resin ', Journal of Cleaner Production, vol. 170, pp. 131-136 . https://doi.org/10.1016/j.jclepro.2017.08.237

This work describes the composition of the products from solvolysis of thermoset polyester in an acetone/water mixture. A qualitative and quantitative evaluation of the compositions of the aqueous and oil phases was achieved by the combination of liq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81575d7edfed831408121b085b963e22
https://doi.org/10.1016/j.jclepro.2017.08.237

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Optimized process for recovery of glass- and carbon fibers with retained mechanical properties by means of near- and supercritical fluids

Autor: Erik Gydesen Søgaard, Justine Beauson, Povl Brøndsted, Hülya U. Sokoli, Anthony Fraisse, Morten Enggrob Simonsen

Publikováno v: Ucar, H, Beauson, J, Simonsen, M E, Fraisse, A, Brøndsted, P & Søgaard, E G 2017, ' Optimized process for recovery of glass-and carbon fibers with retained mechanical properties by means of near-and supercritical fluids ', Journal of Supercritical Fluids, vol. 124, pp. 80-89 . https://doi.org/10.1016/j.supflu.2017.01.013

Degradation of hybrid fiber composites using near-critical water or supercritical acetone has been investigated in this study. Process parameters such as temperature (T = 260–300 °C), pressure (p = 60–300 bar) and composite/solvent (c/s = 0.29�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab2cb4e38defe960e1decb83d2a29e67
https://doi.org/10.1016/j.supflu.2017.01.013

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Characterization of the Liquid Products from Hydrolyzed Epoxy and Polyester Resin Composites Using Solid-Phase Microextraction and Recovery of the Monomer Phthalic Acid

Autor: Erik Gydesen Søgaard, Niels H. Pedersen, Jens Henriksen, Hülya U. Sokoli, Morten Enggrob Simonsen, Rudi P. Nielsen, Marianne L. Madsen

Publikováno v: Ucar, H, Simonsen, M E, Nielsen, R P, Henriksen, J, Madsen, M, Pedersen, N & Søgaard, E G 2016, ' Characterization of the Liquid Products from Hydrolyzed Epoxy and Polyester Resin Composites Using Solid-Phase Microextraction and Recovery of the Monomer Phthalic Acid ', Industrial & Engineering Chemistry Research, vol. 55, no. 34, pp. 9118-9128 . https://doi.org/10.1021/acs.iecr.6b02111

A method to recover the fibers and monomers from epoxy-based and unsaturated polyester-based composites and characterize the liquid products using solid-phase microextraction has been investigated in this study. Experiments were performed using near-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa8bdf21bac0069597357feeaf085d59
https://doi.org/10.1021/acs.iecr.6b02111

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Conversion of the matrix in glass fiber reinforced composites into a high heating value oil and other valuable feedstocks

Autor: Katarzyna Ratajczyk Arturi, Erik Gydesen Søgaard, Rudi P. Nielsen, Hülya U. Sokoli, Morten Enggrob Simonsen

Publikováno v: Fuel Processing Technology. 149:29-39

Waste from glass fiber reinforced polymer composites has become an imminent problem worldwide. Emerging recycling technologies, such as chemical recycling, have shown to be promising for economically viable recovery of high-value carbon fibers. Simil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc5379193ec070801a7a89bba728e9b1
https://doi.org/10.1016/j.fuproc.2016.03.013

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Investigation of degradation products produced by recycling the solvent during chemical degradation of fiber-reinforced composites

Autor: Erik Gydesen Søgaard, Hülya U. Sokoli, Morten Enggrob Simonsen

Publikováno v: Ucar, H, Simonsen, M E & Søgaard, E G 2017, ' Investigation of degradation products produced by recycling the solvent during chemical degradation of fiber-reinforced composites ', Journal of Reinforced Plastics & Composites, vol. 36, no. 17, pp. 1286-1296 . https://doi.org/10.1177/0731684417707060

Recycling of fiber-reinforced thermoset composites using chemical solvolysis has been investigated thoroughly in recent years, where solvents such as water, alcohols and ketones have been used. However, high costs are related to the use of organic so

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::177a4f302442dbf4d55da726755c66fb
https://vbn.aau.dk/da/publications/c2e9b7bd-fd55-4449-bc7e-42e39581e8d7

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