Interfacial enhancement of carbon fiber composites by generation 1–3 dendritic hexamethylenetetramine functionalization

Ma, Lichun; Lian, Meng; Fan, Dapeng; He, Jiaojie; Yu, Jiali; Qi, Meiwei; Chen, Zhongwu; Huang, Yudong

doi:10.1016/j.apsusc.2014.01.039

Cited by 55 publications

(36 citation statements)

References 31 publications

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“…[2][3][4][5][6] Therefore, a great deal of work has been devoted to what we call now "interphase engineering". 7 Owing to many pioneering efforts aimed at graing various structures onto the carbon bre surface (with no claim of being exhaustive), [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] design rules have been brought to light about tailoring the interphase of thermosetting epoxy composites, as they represent the most widespread application among CFRPs. 21,22 It is now widely accepted that mechanical interlocking (molecular length and rigidity), covalent interaction with the matrix as well as polarity of the graed molecule are important factors to increase interfacial shear strength.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, to facilitate this process, we have decided to use 4-(aminomethyl)aniline rather then p-phenylenediamine as starting molecule for the functionalization (Scheme 1A). It is also due to steric reasons that we intended not to build on defect site carboxyl groups as it can be found in several studies, 8,9,24,29 and rather used 4-aminobenzoic acid as starting compound for reaction path B (Scheme 1B).…”

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confidence: 99%

“…Aer carefully examining highresolution XPS spectra or introducing XPS-tags containing atoms that are not native to the carbon bre surface, the limitations could be overcome in several cases. 8,9,11,[17][18][19][20]24,29 It is also important to acquire XPS spectra from different locations along the carbon bre with as large spot size as possible to reduce the effects arising from heterogeneity (in our case a spot size of 400 mm was used). Fig.…”

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confidence: 99%

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Carbon fibre reinforced cellulose-based polymers: intensifying interfacial adhesion between the fibre and the matrix

et al. 2018

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Interfacial interactions governing the interfacial adhesion between cellulose propionate and carbon fibre surface are placed under scrutiny to pave the way towards the development of green cellulose-based carbon fibre reinforced polymers. A range of molecular entities are deposited on the surface by initially grafting aromatic structures with appropriate functions via diazonium species followed by further derivatization of these entities. Cellulose propionate was also bound covalently to the surface via a tosylated derivative invoking its facile nucleophilic displacement reaction with surface-grafted amino functions. Significant increase in interfacial shear strength was obtained for the cellulose propionategrafted carbon fibre composite as well as for the 4-(aminomethyl)benzene-functionalized sample, in the latter case possible hydrogen bonding took place with the cellulose propionate matrix. Furthermore, the positive effect of a highly lipophilic and yet compact -CF 3 substituent was also noted. In order to let the grafted structure efficiently penetrate into the matrix, steric factors, lipophilicity and potential secondary interactions should be considered. It needs to be pointed out that we provide the first synthetic strategy to covalently bind cellulose derivatives to a largely graphitic surface and as such, it has relevance to carbonaceous materials being applied in cellulose-based innovative materials in the future.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Carbon fibre reinforced cellulose-based polymers: intensifying interfacial adhesion between the fibre and the matrix

et al. 2018

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“…It is generally accepted that the modification of CFs can improve the interfacial properties by creating mechanical interlocking, increasing the fiber surface area, and generating chemical bonding (Pittman et al 1997;Ma et al 2014). These characteristics are directly affected by the content of polar functional groups, and chemical bonding plays the most important role in the interfacial adhesion in most situations (Arash et al 2010;Zhao and Huang 2011).…”

Section: Fig 1 Schematic Diagram Of a Pemfcmentioning

confidence: 99%

“…COOH, OH, and C=O) onto the fiber surface to increase hydrophilicity, enhance strong non-covalent interactions, or introduce repulsion force among fibers through processes such as oxidation treatment (Zielke et al 1996;Pittman et al 1997), chemical grafting (Peng et al 2012;Chukov et al 2014), electrochemistry(Cao et al 2005Ishifune et al 2005), plasma treatment (Ma et al 2011;Park et al2012), and high-energy irradiation (Xu et al 2007). Improving the interface properties of CFs effectively and conveniently is still a challenge and is dependent on the functional groups at the surface (Zhao and Huang 2011;Liu et al 2013;Ma et al 2014).…”

Section: Fig 1 Schematic Diagram Of a Pemfcmentioning

confidence: 99%

Interfacial Modiﬁcation and Dispersion of Short Carbon Fiber and the Properties of Composite Papers as Gas Diffusion Layer for Proton Exchange Membrane Fuel Cell (PEMFC)

Hu¹,

Liu²,

Lin³

et al. 2014

BioResources

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Short carbon fibers (SCF) were modified with oxidation and coupling treatment to improve their water-wettability and bonding properties. Four types of dispersants were studied and discussed. Short carbon fibers/plant fiber (PF) composite papers were prepared by papermaking techniques. Scanning electron microscopy (SEM) and tests to determine zeta potential, absorbance, tensile index, and conductivity were carried out to investigate the modified effect of SCF and the interfacial properties. Modification experimental results showed that the surface grooves were deepened and new superficial grooves were generated by the liquid acid oxidation. The reaction with the silane coupling agent provided higher density and more uniform distribution on the SCF surface than that of organic titanate, and it obviously increased the roughness and the absolute value of zeta potential. After modification, the hydrophilic properties and dispersion in aqueous solutions were improved, the SCFs could form a good mechanical grip with plant fibers, and the conductivity and physical strength of SCF/PF composite papers were enhanced. It was shown that there was obvious adhesive binding at the fiber overlap nodes by the SEM analysis. It was confirmed that the improvement of physical properties of composite paper can be ascribed to the interfacial enhancement.

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Amine‐Terminated Dendritic Materials for Polymer Surface Modification to Enhance Adhesion

Daneshzand,

Karimi,

Akbari

et al. 2024

Polymer Surface Modification to Enhance Adhesion

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Interfacial enhancement of carbon fiber composites by generation 1–3 dendritic hexamethylenetetramine functionalization

Cited by 55 publications

References 31 publications

Carbon fibre reinforced cellulose-based polymers: intensifying interfacial adhesion between the fibre and the matrix

Carbon fibre reinforced cellulose-based polymers: intensifying interfacial adhesion between the fibre and the matrix

Interfacial Modiﬁcation and Dispersion of Short Carbon Fiber and the Properties of Composite Papers as Gas Diffusion Layer for Proton Exchange Membrane Fuel Cell (PEMFC)

Amine‐Terminated Dendritic Materials for Polymer Surface Modification to Enhance Adhesion

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