A recyclable epoxy for composite wind turbine blades

Disposal of wind turbine blades, which are generally non-biodegradable and non-recyclable products comprised largely of fiber-reinforced thermoset polymers (FRPs), pose environmental problems when components reach end-of-service-life. Because the global wind turbine market shows steady year-over-yea...

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Autores principales:	Ming-Sung Wu, Bo Cheng Jin, Xin Li, Steven Nutt
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2019
Materias:	recycling processing epoxy glass fiber thermoset composites mechanical properties vacuum infusion dissolution Polymers and polymer manufacture TP1080-1185 Automation T59.5
Acceso en línea:	https://doaj.org/article/2cd991d041fe46b9b863dd32ace36bc8
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spelling	oai:doaj.org-article:2cd991d041fe46b9b863dd32ace36bc82021-12-02T03:33:46ZA recyclable epoxy for composite wind turbine blades2055-035910.1080/20550340.2019.1639967https://doaj.org/article/2cd991d041fe46b9b863dd32ace36bc82019-07-01T00:00:00Zhttp://dx.doi.org/10.1080/20550340.2019.1639967https://doaj.org/toc/2055-0359Disposal of wind turbine blades, which are generally non-biodegradable and non-recyclable products comprised largely of fiber-reinforced thermoset polymers (FRPs), pose environmental problems when components reach end-of-service-life. Because the global wind turbine market shows steady year-over-year growth, the need for a recycling solution for wind blade FRPs is urgent and growing rapidly. In the present study, recyclable resins, formulated using proprietary epoxy curing agents (Cleavamine®, Adesso), were charactered and analyzed for processability and recyclability. Protocols for vacuum infusion processing were developed for these recyclable resins. Secondly, laminates of glass fibers and the above epoxy matrices were first produced then recycled, and the properties of recovered fibers were evaluated. Matrix and laminate properties were compared to a benchmark commercial epoxy presently used in commercial wind blades. Results showed that vacuum infusion with the recyclable resins yielded laminates with low void contents and properties comparable to non-recyclable commercial epoxies, and the recovered glass fibers retained surface quality comparable to virgin fibers. Furthermore, results also showed that the recovered matrix residue can be re-used in second-life applications, effectively completing the closed-loop recycling method in this study.Ming-Sung WuBo Cheng JinXin LiSteven NuttTaylor & Francis Grouparticlerecyclingprocessingepoxyglass fiberthermosetcompositesmechanical propertiesvacuum infusiondissolutionPolymers and polymer manufactureTP1080-1185AutomationT59.5ENAdvanced Manufacturing: Polymer & Composites Science, Vol 5, Iss 3, Pp 114-127 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	recycling processing epoxy glass fiber thermoset composites mechanical properties vacuum infusion dissolution Polymers and polymer manufacture TP1080-1185 Automation T59.5
spellingShingle	recycling processing epoxy glass fiber thermoset composites mechanical properties vacuum infusion dissolution Polymers and polymer manufacture TP1080-1185 Automation T59.5 Ming-Sung Wu Bo Cheng Jin Xin Li Steven Nutt A recyclable epoxy for composite wind turbine blades
description	Disposal of wind turbine blades, which are generally non-biodegradable and non-recyclable products comprised largely of fiber-reinforced thermoset polymers (FRPs), pose environmental problems when components reach end-of-service-life. Because the global wind turbine market shows steady year-over-year growth, the need for a recycling solution for wind blade FRPs is urgent and growing rapidly. In the present study, recyclable resins, formulated using proprietary epoxy curing agents (Cleavamine®, Adesso), were charactered and analyzed for processability and recyclability. Protocols for vacuum infusion processing were developed for these recyclable resins. Secondly, laminates of glass fibers and the above epoxy matrices were first produced then recycled, and the properties of recovered fibers were evaluated. Matrix and laminate properties were compared to a benchmark commercial epoxy presently used in commercial wind blades. Results showed that vacuum infusion with the recyclable resins yielded laminates with low void contents and properties comparable to non-recyclable commercial epoxies, and the recovered glass fibers retained surface quality comparable to virgin fibers. Furthermore, results also showed that the recovered matrix residue can be re-used in second-life applications, effectively completing the closed-loop recycling method in this study.
format	article
author	Ming-Sung Wu Bo Cheng Jin Xin Li Steven Nutt
author_facet	Ming-Sung Wu Bo Cheng Jin Xin Li Steven Nutt
author_sort	Ming-Sung Wu
title	A recyclable epoxy for composite wind turbine blades
title_short	A recyclable epoxy for composite wind turbine blades
title_full	A recyclable epoxy for composite wind turbine blades
title_fullStr	A recyclable epoxy for composite wind turbine blades
title_full_unstemmed	A recyclable epoxy for composite wind turbine blades
title_sort	recyclable epoxy for composite wind turbine blades
publisher	Taylor & Francis Group
publishDate	2019
url	https://doaj.org/article/2cd991d041fe46b9b863dd32ace36bc8
work_keys_str_mv	AT mingsungwu arecyclableepoxyforcompositewindturbineblades AT bochengjin arecyclableepoxyforcompositewindturbineblades AT xinli arecyclableepoxyforcompositewindturbineblades AT stevennutt arecyclableepoxyforcompositewindturbineblades AT mingsungwu recyclableepoxyforcompositewindturbineblades AT bochengjin recyclableepoxyforcompositewindturbineblades AT xinli recyclableepoxyforcompositewindturbineblades AT stevennutt recyclableepoxyforcompositewindturbineblades
_version_	1718401720700108800

A recyclable epoxy for composite wind turbine blades

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