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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2020.08.014
|2 doi
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|a pubmed24n1048.xml
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|a (DE-627)NLM314648356
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|a (NLM)32892095
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|a DE-627
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|e rakwb
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|a eng
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|a Lee, Miyeon
|e verfasserin
|4 aut
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|a Fast chemical recycling of carbon fiber reinforced plastic at ambient pressure using an aqueous solvent accelerated by a surfactant
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.10.2020
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|a Date Revised 20.10.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Ltd. All rights reserved.
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|a The properties of infusibility and insolubility in organic solvent of cured epoxy resin makes it difficult to recycle carbon fiber reinforced plastics (CFRP). We have reported the recycling of CFRPs using the oxidizing power of hydroxyl radicals generated from NaOCl solution. In our study, we used benzyltrimethylammonium bromide (BTAB) and sodium dodecyl sulfate (SDS) for the interfacial separation between the epoxy resin and carbon fibers (CF). The surfactant system maximized recycling efficiency in both pretreatment and the main reaction of the CFRP recycling process. In the second step, the reaction time to successfully reclaim the CFs was much shorter, only one hour, compared with the two-hour reaction time for the non-SDS process previously reported by us. Scanning electron microscope images and Raman analyses showed that the surface of the reclaimed CF (r-CFs) was clean and smooth without any defects, and there was no significant structural change compared to virgin CF (v-CFs). The tensile strength of r-CF was 3.42 GPa which is 96.9% of the v-CF. Thus, the CFRP recycling process using SDS not only results in r-CF with good mechanical and physical properties, but also increases recycling efficiency by reducing the time
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|a Journal Article
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|a Carbon fiber
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|a Carbon fiber reinforced plastics
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|a Chemical depolymerization
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|a Epoxy resin
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|a Thermoset resin
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|a Carbon Fiber
|2 NLM
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|a Solvents
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|a Surface-Active Agents
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|a Carbon
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|a 7440-44-0
|2 NLM
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|a Kim, Doo Hun
|e verfasserin
|4 aut
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|a Park, Jong-Jin
|e verfasserin
|4 aut
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| 700 |
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|a You, Nam-Ho
|e verfasserin
|4 aut
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| 700 |
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|a Goh, Munju
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 118(2020) vom: 30. Dez., Seite 190-196
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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|g volume:118
|g year:2020
|g day:30
|g month:12
|g pages:190-196
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|u http://dx.doi.org/10.1016/j.wasman.2020.08.014
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