Epoxy resins as a matrix material in advanced fiber-reinforced polymer (FRP) composites

Fiore, Vincenzo; Valenza, A.

doi:10.1533/9780857098641.1.88

Cited by 32 publications

(28 citation statements)

References 55 publications

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“…[ 7–16 ] Recently linseed and soybean oils were considered the most popular triglycerides due to their availability and low price. [ 17 ] For example, epoxidized linseed oil was reinforcing with inorganic nanosized clusters to obtain materials with promising properties. [ 18 ]…”

Section: Introductionmentioning

confidence: 99%

Hybrid networks based on epoxidized camelina oil

Bãlãnucã

Stan

Lungu

et al. 2016

Designed Monomers and Polymers

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Lately, renewable resources received great attention in the macromolecular compounds area, regarding the design of the monomers and polymers with different applications. In this study the capacity of several modified vegetable oil-based monomers to build competitive hybrid networks was investigate, taking into account thermal and mechanical behavior of the designed materials. In order to synthesize such competitive nanocomposites, the selected renewable raw material, camelina oil, was employed due to the non-toxicity and biodegradability behavior. General properties of epoxidized camelina oil-based materials were improved by loading of different types of organic-inorganic hybrid compounds – polyhedral oligomeric silsesquioxane (POSS) bearing one (POSS1Ep) or eight (POSS8Ep) epoxy rings on the cages. In order to identify the chemical changes occurring after the thermal curing reactions, FT-IR spectrometry was employed. The new synthesized nanocomposites based on epoxidized camelina oil (ECO) were characterized by dynamic mechanical analyze and thermogravimetric analyze. The morphology of the ECO-based materials was investigate by scanning electron microscopy and supplementary information regarding the presence of the POSS compounds were establish by energy dispersive X-ray analysis and X-ray photoelectron spectroscopy. The smooth materials without any separation phase indicates a well dispersion of the Si–O–Si cages within the organic matrix and the incorporation of this hybrid compounds into the ECO network demonstrates to be a well strategy to improve the thermal and mechanical properties, simultaneously.

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Section: Introductionmentioning

confidence: 99%

Hybrid networks based on epoxidized camelina oil

Bãlãnucã

Stan

Lungu

et al. 2016

Designed Monomers and Polymers

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“…Contact of epoxy with dermatitis (upper layer of human skin) can affect the sensitisation of human skin by approximately 40.25% [31]. Besides, the epoxy polymer can cause angiosarcomas of the liver and asthma because of the initiator used with epoxy [32]. In addition, epoxy resin is difficult to recycle due to the crosslinked structure from curing and leftover epoxy also creates a waste disposal problem [33][34][35].…”

Section: Epoxy As a Bonding Agentmentioning

confidence: 99%

“…Epoxy has been widely used in engineering application as an adhesive for concrete due to their advanced mechanical and chemical properties. The performance of epoxy depends on the curing process which involves changes of properties of thermosetting plastic through chemical reaction [32]. The low viscosity of epoxy resin can be formulated and at room temperature when fully cured, it exhibits excellent mechanical properties, as well as resistance towards aggressive environment [7].…”

Section: Curing Of Epoxy For Frp Applicationmentioning

confidence: 99%

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Modified Epoxy for Fibre Reinforced Polymer Strengthening of Concrete Structures

Abdullah¹,

Rosli²,

Ali³

et al. 2020

IJIE

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Fibre-Reinforced Polymer (FRP) is a preferable material for repairing concrete structure due to excellent material properties and effective installation cost over the long-term maintenance of structures. The successful application of FRP strengthening system very much depends on the bond between the concrete substrate and the FRP material using epoxy adhesive. Epoxy acts as a bridge to transfer stress from the concrete to the FRP material. The use of wet lay-up technique to apply FRP onto concrete structure requires epoxy to undergo a curing process normally referred to as cold curing. This paper intends to give a review of the problems with cold-cured epoxy and its effect on structural performance. Cured epoxy is characterised as brittle; therefore, modifications of epoxy are required to toughen the epoxy to suit the purpose of repairing a concrete structure. The methodological approaches from previous studies on modified epoxy were collected and reviewed in this paper. This review also offers some important insights regarding the use of sustainable materials, as well as recommendations for new epoxy in the future.

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“…Carbon fibre epoxy composites, in particular, because of their high strength, light weight and versatility, are being considered for use in the design of new advanced aircraft structural components [2,3]. Epoxy resins are the most commonly used polymeric matrix in advanced composite materials used for the fabrication of light structural panels for aircraft and other transport vehicles [4].…”

Section: Introductionmentioning

confidence: 99%

The effect of traditional flame retardants, nanoclays and carbon nanotubes in the fire performance of epoxy resin composites

et al. 2016

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Summary The effectiveness of distinct fillers, from micro to nano‐size scaled, on the fire behaviour of an epoxy resin and its carbon fibre reinforced composites was assessed by cone calorimetry. The performance was compared not only regarding the reaction to fire performance, but also in terms of thermal stability, glass transition temperature and microstructure. Regarding the fire reaction behaviour of nanofilled epoxy resin, anionic nanoclays and thermally oxidized carbon nanotubes showed the best results, in agreement with more compact chars formed on the surface of the burning polymer. For carbon fibre reinforced composite plates, the cone calorimeter results of modified resin samples did not show significant improvements on the heat release rate curves. Poorly dispersed fillers in the resin additionally caused reductions on the glass transition temperature of the composite materials. Copyright © 2016 John Wiley & Sons, Ltd.

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Epoxy resins as a matrix material in advanced fiber-reinforced polymer (FRP) composites

Cited by 32 publications

References 55 publications

Hybrid networks based on epoxidized camelina oil

Hybrid networks based on epoxidized camelina oil

Modified Epoxy for Fibre Reinforced Polymer Strengthening of Concrete Structures

The effect of traditional flame retardants, nanoclays and carbon nanotubes in the fire performance of epoxy resin composites

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