Hyperbranched polysiloxane functionalized graphene oxide for dicyclopentadiene bisphenol dicyanate ester nanocomposites with high performance

Zhang, M. M.; Yan, Hongxia; Gong, Chao; Li, T. T.

doi:10.3144/expresspolymlett.2014.45

Cited by 21 publications

(10 citation statements)

References 41 publications

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“…In in situ polymerization, the GO is mixed with monomer units to form a solution. The polymerization reaction takes place in the presence of GO to form a hybrid …”

Section: Introductionmentioning

confidence: 99%

Poly(2‐hydroxyethyl acrylate) hydrogels reinforced with graphene oxide: Remarkable improvement of water diffusion and mechanical properties

Sánchez‐Correa

Vidaurre-Agut

Serrano‐Aroca

et al. 2017

J of Applied Polymer Sci

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A series of hybrid hydrogels of poly(2-hydroxyethyl acrylate), PHEA, and graphene oxide, GAO, with GAO content up to 2 wt % has been prepared by in situ polymerization. Because PHEA has been used as biomaterial in various applications, has a side chain with the hydroxyl functional group and its mechanical properties are poor, it is a good candidate for reinforcement with GAO. Fourier transform (infrared) spectroscopy, atomic force microscopy, differential scanning calorimetry, the thermal, mechanical, and water sorption properties of neat PHEA and PHEA/GAO composites have been studied in order to elucidate the dispersion and interaction between both components. An increase in the water diffusion coefficient and dramatic changes in its mechanical properties are the most remarkable results. Thus, at a nanofiller load of 2 wt %, the novel materials present an increased diffusion coefficient higher than 380% and the elastic modulus is enhanced by more than 650% in dry state and by more than 100% in swollen state, both compared to neat PHEA. These results have been attributed to the excellent interaction between the matrix, PHEA, and the reinforcement, GAO, and could open the door to new applications in the field of biomaterials with higher structural requisites. V C 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46158.

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“…In in situ polymerization, the GO is mixed with monomer units to form a solution. The polymerization reaction takes place in the presence of GO to form a hybrid …”

Section: Introductionmentioning

confidence: 99%

Poly(2‐hydroxyethyl acrylate) hydrogels reinforced with graphene oxide: Remarkable improvement of water diffusion and mechanical properties

Sánchez‐Correa

Vidaurre-Agut

Serrano‐Aroca

et al. 2017

J of Applied Polymer Sci

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“…Figure 11a represents a readily happening hydrolysis process when moisture present in the atmosphere reacts with APTES. In this process, more reactive silanols groups are produced from hydrolysis of ethoxysilanes [27]. Subsequent to formation of silanols, polysiloxane network structure are formed from self-condensation of silanols [28,29].…”

Section: Chemical Mechanism Of Reclaiming and Compatibilizationmentioning

confidence: 99%

Thermochemical compatibilization of reclaimed tire rubber/ poly(ethylene-co-vinyl acetate) blend using electron beam irradiation and amine-based chemical

et al. 2021

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Waste tire rubber is commonly recycled by blending with other polymers. However, the mechanical properties of these blends were poor due to lack of adhesion between the matrix and the waste tire rubber. In this research, the use of electron beam irradiation and (3-Aminopropyl)triethoxy silane (APTES) on enhancing the performance of 50 wt% reclaimed tire rubber (RTR) blend with 50 wt% poly(ethylene-co-vinyl acetate) (EVA) was investigated. Preparation of RTR/EVA blends were carried out in the internal mixer. The blends were then exposed to electron beam (EB) irradiation at doses ranging from 50 to 200 kGy. APTES loading was varied between 1 to 10 wt%. The processing, morphological, mechanical, and calorimetric properties of the blends were investigated. The stabilization torque and total mixing energy was higher in compatibilized blends. Mechanical properties of RTR/EVA blends were improved due to efficiency of APTES in further reclaiming the RTR and compatibilizing the blends. APTES improved the dispersion of embedded smaller RTR particles in EVA matrix and crosslinking efficiency of the blends. Calorimetric studies showed increased crystallinity in compatibilized blends which corresponds to improved mechanical properties. However, the ductility of the blend was decreased due to increased interaction between EVA and APTES. Presence of APTES increased the efficiency of electron beam irradiation induced crosslinking which was shown through gel content analysis and Charlesby-Pinner equation.

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“…Therefore, the functionalized GO with HBPSi has better dispersity in the composites and enhanced interfacial adhesion between nanoparticles and resin matrix. Yan's group [21,22] prepared GO functionalized by hyperbranched polysiloxane through hydrosilylation reaction, and incorporated it into cyanate ester (CE) and bismaleimide (BMI) to fabricate nanocomposites. It is found that the mechanical properties, thermal stability, moisture resistance and tribological performance of the nanocomposites are superior to those of neat CE and BMI resin.…”

Section: Introductionmentioning

confidence: 99%

Graphene oxide grafted by hyperbranched polysiloxane to enhance mechanical and frictional properties of epoxy resin

et al. 2020

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A novel hyperbranched polysiloxane functionalized graphene oxide (HPBSi-GO) containing abundant primary amine, tertiary amine and hydroxyl groups was designed and successfully synthesized though efficient "grafting to" method. The as-synthesized HBPSi-GO was confirmed by FT-IR, XPS and AFM. Moreover, the HPBSi-GO was incorporated into epoxy (EP) resin matrix to fabricate HPBSi-GO/EP composites. The results showed that the HPBSi-GO has better dispersibility than that of unmodified GO in EP matrix. Interestingly, the mechanical and frictional properties of HPBSi-GO/EP composites were simultaneously superior to those of neat epoxy resin. AFM and TOM results revealed that the good properties mainly attributed to the unique inorganic-organic structure of HBPSi-GO, as well as the good interfacial adhesion between HBPSi-GO and EP matrix.

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Hyperbranched polysiloxane functionalized graphene oxide for dicyclopentadiene bisphenol dicyanate ester nanocomposites with high performance

Cited by 21 publications

References 41 publications

Poly(2‐hydroxyethyl acrylate) hydrogels reinforced with graphene oxide: Remarkable improvement of water diffusion and mechanical properties

Poly(2‐hydroxyethyl acrylate) hydrogels reinforced with graphene oxide: Remarkable improvement of water diffusion and mechanical properties

Thermochemical compatibilization of reclaimed tire rubber/ poly(ethylene-co-vinyl acetate) blend using electron beam irradiation and amine-based chemical

Graphene oxide grafted by hyperbranched polysiloxane to enhance mechanical and frictional properties of epoxy resin

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