Cure Kinetics of Nanodiamond-Filled Epoxy Resin: Influence of Nanodiamond Surface Functionality

Aris, Atousa; Shojaei, Akbar; Bagheri, Reza

doi:10.1021/acs.iecr.5b01858

Cited by 52 publications

(13 citation statements)

References 69 publications

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“…[ 38a , 42 ] Sastry et al examined the structure of a pyridinium-based ionic liquid by SAXS and noted the presence of a broad correlation peak in the region of q ≈ 0.2 Å −1 (20 Å) and argued it was due to the local structural organization of the IL cation-anion and water shell. [ 43 ] Here, the functionalized ND, a mixture of ND-[COOC 10 H 20 VIm + ][Br − ] and ND-COOC 10 H 20 Br, SAXS pattern also shows a weak correlation peak in this q -range (ca. q = 0.27 Å −1 ) perhaps indicating the presence of a structured anion-water layer around the ND tethered cation at 23 Å.…”

Section: Resultsmentioning

confidence: 95%

“…Efforts directed at controlling the interactions between the ND and polymer matrix have sought to tailor those interactions through chemical modification of the ND particles and formation of covalent bonds. Polymer grafting aimed at achieving better dispersion through covalent interactions has been reported for thermosets (e.g., epoxy), and thermoplastics (e.g., poly(ether‐ketone), polyimides) based composites. To address opportunities for biological applications of NDs, recent reports using polyelectrolytes (e.g., polyethylenimine) and hydrogels (e.g., poly(oligo(ethylene glycol) methyl either methacrylate) as the basis for composite formation have also appeared.…”

Section: Introductionmentioning

confidence: 99%

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Self‐Assembly Directed Organization of Nanodiamond During Ionic Liquid Crystalline Polymer Formation

Ringstrand

Seifert

Podlesak

et al. 2016

Macromol. Rapid Commun.

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The UV-initiated free radical polymerization of a lyotropic mesophase prepared by co-assembly of an aqueous mixture of an ionic liquid (IL) monomer, 3-decyl-1-vinylimidazolium chloride, in a dimethyl sulfoxide dispersion of an IL-monomer nanodiamond conjugate yields a well-ordered 2D hexagonally structured network-polymer composite. The IL monomer is covalently bound to carboxylated detonation diamond via ester-linked 3-decyl-1-vinylimidazolium bromide. Successful preparation of the amphiphile-functionalized nanodiamond is determined by ATR/FT-IR, thermogravimetric analysis, and small-angle X-ray scattering (SAXS). Mesophase and composite structure are evaluated by SAXS, revealing a columnar architecture composed of amphiphilic ionic liquid cylinders containing solvent-rich cores. Self-assembly directed site localization of the nanodiamond positions the particles in the alkyl chain continuum upon polymerization. The composite reversibly swells in ethanol allowing structural variation and modulation of the nanoparticle internal packing arrangement. This work demonstrates that through careful molecular design, self-organization and site-directed assembly of nanodiamond into chemically distinct regions of a nanostructured organogel can be achieved.

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Section: Resultsmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Self‐Assembly Directed Organization of Nanodiamond During Ionic Liquid Crystalline Polymer Formation

Ringstrand

Seifert

Podlesak

et al. 2016

Macromol. Rapid Commun.

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Section: Discussionmentioning

confidence: 99%

“…In [400], the authors utilized oleylamine as surfactant which interacted with carboxyl groups of the NDs through a charge transfer. Other examples are the use of the electrostatic interaction to couple NDs in epoxy based composites [401] or in polyacrylic matrices [384]. In the case of wet chemistry, strong acids (H 2 SO 4 , HNO 3 , HCl) are generally utilized to graft oxygen based and chlorine functionalities [387][388][389].…”

Section: Nanodiamondsmentioning

confidence: 99%

The Role of Functionalization in the Applications of Carbon Materials: An Overview

Speranza

2019

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The carbon-based materials (CbMs) refer to a class of substances in which the carbon atoms can assume different hybridization states (sp 1 , sp 2 , sp 3 ) leading to different allotropic structures -. In these substances, the carbon atoms can form robust covalent bonds with other carbon atoms or with a vast class of metallic and non-metallic elements, giving rise to an enormous number of compounds from small molecules to long chains to solids. This is one of the reasons why the carbon chemistry is at the basis of the organic chemistry and the biochemistry from which life on earth was born. In this context, the surface chemistry assumes a substantial role dictating the physical and chemical properties of the carbon-based materials. Different functionalities are obtained by bonding carbon atoms with heteroatoms (mainly oxygen, nitrogen, sulfur) determining a certain reactivity of the compound which otherwise is rather weak. This holds for classic materials such as the diamond, the graphite, the carbon black and the porous carbon but functionalization is widely applied also to the carbon nanostructures which came at play mainly in the last two decades. As a matter of fact, nowadays, in addition to fabrication of nano and porous structures, the functionalization of CbMs is at the basis of a number of applications as catalysis, energy conversion, sensing, biomedicine, adsorption etc. This work is dedicated to the modification of the surface chemistry reviewing the different approaches also considering the different macro and nano allotropic forms of carbon.C 2019, 5, 84 3 of 45 narrow graphite-like interconnected layers. This leads to a closed pore rigid structure that is chemically inert, hard but brittle [48][49][50].Due to the highly resistant, conductive, and inert network, glassy carbons are utilized in a series of rather different applications. They are utilized as electrodes in solid state batteries and in industrial harsh chemical processes where also high temperatures are involved such as crystallization of CaF2, CdS and ZnS. Glassy carbon can be utilized to manufacture high temperature furnace elements. Due to the chemical inertness, glassy carbons are utilized also in fabrication of protheses. Porous carbon and carbon black are much softer. Generally, in industrial applications important is the extension of the surface which is exposed to the external environment. The porous carbon is characterized by a high specific surface area enhancing the interaction with the external medium. Although it possesses a lower conductivity with respect to glassy carbon, the high porosity and the presence of active sites makes it a good material to fabricate electrodes for applications in electrochemistry [51][52][53] and bioelectrodes for sensing and stimulation [54,55].The same holds for the carbon black mainly utilized as additive in rubbers and polymers to improve their mechanical properties, or as a pigment [56] although new potentialities have been recently envisaged [57].Common to all the forms of carbon which are bri...

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“…Nanodiamond (ND) is a kind of carbon‐based nanoparticle bringing diamond properties into the nanoscale material world, and it was created by nuclear explosions that used carbon‐based trigger explosives by Russian scientists in the 1960s . In recent decades, ND has aroused considerable scientific interest in the field of carbon nanomaterials such as graphene oxide, carbon nanofiber, and carbon nanotubes .…”

Section: Introductionmentioning

confidence: 99%

Fabrication of nanodiamond‐based composite monolithic column and its application in separation of small molecules

Wei

Liu

Wang

et al. 2016

J of Applied Polymer Sci

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A nanodiamond‐based composite monolithic column was fabricated by redox initiation for high‐performance liquid chromatography. In the fabrication process, functionalized nanodiamond was used as the functional monomer, dipentaerythritol hexaacrylate and 1,10‐decanediol diacrylate as cross‐linking agents, polyethylene glycol 400 and 1‐propanol as coporogens, and dibenzoyl peroxide and N,N‐dimethyl aniline as initiators. Compared to polymer monolithic columns without nanodiamond, a nanodiamond‐based composite monolithic column prepared under the same conditions exhibited relatively high resolution and efficiency. Characterizations of the resulting nanocomposite were carried out, including scanning electron microscopy, mercury intrusion porosimetry, nitrogen adsorption–desorption isotherm measurement, and thermogravimetric analysis. The ND‐based composite monolith exhibited a uniform and reticular skeleton microstructure, thermal stability, and mechanical stability. In addition, the nanodiamond‐based composite monolithic column was used to separate a series of small molecules with good resolution and reproducibility in high‐performance liquid chromatography. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43776.

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Cure Kinetics of Nanodiamond-Filled Epoxy Resin: Influence of Nanodiamond Surface Functionality

Cited by 52 publications

References 69 publications

Self‐Assembly Directed Organization of Nanodiamond During Ionic Liquid Crystalline Polymer Formation

Self‐Assembly Directed Organization of Nanodiamond During Ionic Liquid Crystalline Polymer Formation

The Role of Functionalization in the Applications of Carbon Materials: An Overview

Fabrication of nanodiamond‐based composite monolithic column and its application in separation of small molecules

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