Enhance interfacial properties of glass fiber/epoxy composites with environment-friendly water-based hybrid sizing agent

Dong, Yubing; Zhu, Yaofeng; Zhao, Yongzhen; Liu, Fuyao; Wang, Enliang

doi:10.1016/j.compositesa.2017.08.016

Cited by 55 publications

(25 citation statements)

References 33 publications

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“…This phenomenon enhanced the mechanical interlock and combination force between the fiber and matrix. The hybrid coating similar to a “bridge” firmly connected the matrix and the fiber [ 28 ]. Consequently, the interfacial adhesion improved.…”

Section: Resultsmentioning

confidence: 99%

“…When the interface of fabric-matrix composites was enforced by the hybrid sizing agent, the stress was efficiently transferred from the matrix to the hybrid sizing agent and then from the hybrid sizing agent to the fabric [ 28 ]. The stress and strain of each studied case are plotted in Figure 14 .…”

Section: Resultsmentioning

confidence: 99%

“…Coating or sizing, which has attracted considerable attention in the area of fiber surface treatment, is an effective and convenient solution. Recent studies have reported that coating modification technology can change the surface topography and chemical properties of fibers [ 28 , 29 ] and improve their mechanical and chemical bonding, thereby effectively improving the interfacial properties of the composites. Dong et al reported that the novel water-based hybrid sizing agent synthesized by in-situ generated silica within waterborne epoxy/waterborne epoxy curing agent system can significantly enhance the interfacial shear strength of single glass fiber/epoxy composites [ 28 ].…”

Section: Introductionmentioning

confidence: 99%

“…Recent studies have reported that coating modification technology can change the surface topography and chemical properties of fibers [ 28 , 29 ] and improve their mechanical and chemical bonding, thereby effectively improving the interfacial properties of the composites. Dong et al reported that the novel water-based hybrid sizing agent synthesized by in-situ generated silica within waterborne epoxy/waterborne epoxy curing agent system can significantly enhance the interfacial shear strength of single glass fiber/epoxy composites [ 28 ]. Liu et al prepared an aqueous epoxy sizing agent by synthesizing a modified epoxy emulsifier to treat carbon fibers (CF) and the interfacial shear strength of sized CF/epoxy composites increased by 70%–76% [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

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Interfacial Adhesion and Mechanical Properties of PET Fabric/PVC Composites Enhanced by SiO2/Tributyl Citrate Hybrid Sizing

Liu

Dong

et al. 2018

Nanomaterials

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Poly(ethylene terephthalate) (PET) fabric-reinforced polyvinyl chloride (PVC) composites have a wide range of applications, but the interface bonding of PET fabric/PVC composites has remained a challenge. In this work, a new in-situ SiO2/tributyl citrate sizing agent was synthesized according to the principle of “similar compatibility.” The developed sizing agent was used as a PET surface modifier to enhance the interfacial performance of PET fabric/PVC composites. The morphology and structure of the PET filaments, the wettability and tensile properties of the PET fabric, the interfacial adhesion, and the tensile and tearing properties of the PET fabric/PVC composites were investigated. Experimental results showed that many SiO2 nanoparticles were scattered on the surface of the modified PET filaments. Moreover, the surface roughness of the modified PET filaments remarkably increased in comparison with that of the untreated PET filaments. The contact angle of the modified PET filaments was also smaller than that of the untreated ones. The peeling strength of the modified PET fabrics/PVC composites was 0.663 N/mm, which increased by 62.50% in comparison with the peeling strength of the untreated ones (0.408 N/mm). This work provides a new approach to the surface modification of PET and improves the properties of PET fabric/PVC composites.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Interfacial Adhesion and Mechanical Properties of PET Fabric/PVC Composites Enhanced by SiO2/Tributyl Citrate Hybrid Sizing

Liu

Dong

et al. 2018

Nanomaterials

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“…In recent years, many types of shape memory polymers (SMPs) containing lms, foams, bers, hydrogels, and fabrics, have been reported, which can respond to various external stimuli such as heat, electricity, light, chemical solvent and pH. [27][28][29][30][31][32][33] In most cases, shape recovery and xity effects, which include recovery time, ratio, force, and xity ratio, were mainly studied to estimate primary performance of those SMPs. However, in terms of the evaluation for their practical applications, little relevant work has been performed except for limited applications, such as so actuators, functional textures, and medical applications.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of gradient vapor grown carbon fiber based polyurethane foam for shape memory driven microwave shielding

et al. 2019

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Enhancing Composite Toughness Through Hierarchical Interphase Formation

Gupta,

Sohail,

Checa

et al. 2023

Advanced Science

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High strength and ductility are highly desired in fiber‐reinforced composites, yet achieving both simultaneously remains elusive. A hierarchical architecture is developed utilizing high aspect ratio chemically transformable thermoplastic nanofibers that form covalent bonding with the matrix to toughen the fiber‐matrix interphase. The nanoscale fibers are electrospun on the micrometer‐scale reinforcing carbon fiber, creating a physically intertwined, randomly oriented scaffold. Unlike conventional covalent bonding of matrix molecules with reinforcing fibers, here, the nanofiber scaffold is utilized ‒ interacting non‐covalently with core fiber but bridging covalently with polymer matrix ‒ to create a high volume fraction of immobilized matrix or interphase around core reinforcing elements. This mechanism enables efficient fiber‐matrix stress transfer and enhances composite toughness. Molecular dynamics simulation reveals enhancement of the fiber‐matrix adhesion facilitated by nanofiber‐aided hierarchical bonding with the matrix. The elastic modulus contours of interphase regions obtained from atomic force microscopy clearly indicate the formation of stiffer interphase. These nanoengineered composites exhibit a ≈60% and ≈100% improved in‐plane shear strength and toughness, respectively. This approach opens a new avenue for manufacturing toughened high‐performance composites.

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Enhance interfacial properties of glass fiber/epoxy composites with environment-friendly water-based hybrid sizing agent

Cited by 55 publications

References 33 publications

Interfacial Adhesion and Mechanical Properties of PET Fabric/PVC Composites Enhanced by SiO2/Tributyl Citrate Hybrid Sizing

Interfacial Adhesion and Mechanical Properties of PET Fabric/PVC Composites Enhanced by SiO2/Tributyl Citrate Hybrid Sizing

Fabrication of gradient vapor grown carbon fiber based polyurethane foam for shape memory driven microwave shielding

Enhancing Composite Toughness Through Hierarchical Interphase Formation

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