Zn–AL LDH reinforced nanocomposites based on new polyamide containing imide group: From synthesis to properties

Hajibeygi, Mohsen; Shabanian, Meisam; Khonakdar, Hossein Ali

doi:10.1016/j.clay.2015.06.008

Cited by 49 publications

(29 citation statements)

References 48 publications

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“…The well exfoliated clay in polymer matrix establishes significant improvement in modulus, stiffness, thermal stability, barrier properties and flame retardation (Kalbasi et al, 2012;Mallakpour and Dinari, 2013;Hajibeygi et al, 2015). As a result, the polymer nanocomposites can be assumed as low-cost substitutes for high-performance materials for many commercial applications such as automotive, household goods, packaging, etc.…”

Section: Introductionmentioning

confidence: 99%

Estimation of material and interfacial/interphase properties in clay/polymer nanocomposites by yield strength data

Zare

2015

Applied Clay Science

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Section: Introductionmentioning

confidence: 99%

Estimation of material and interfacial/interphase properties in clay/polymer nanocomposites by yield strength data

Zare

2015

Applied Clay Science

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“…MCC can be used for investigation of the efficacy of flame retardancy in polymeric materials from samples of just a few milligrams. MCC is a thermal analysis method that improves upon previous methods by directly measuring the heat of combustion of the gases evolved during controlled heating of specimens . The parameters resulting from this method are the heat release rate (HRR), the total heat release (THR) and the heat release capacity (HRC).…”

Section: Resultsmentioning

confidence: 99%

“…Aromatic polyamides are known as high‐performance polymers, and have been promoted for their unique advantages like excellent mechanical and high thermal stability properties, superior gas separation efficiency, and solvent and chemical resistance properties . Aromatic polyamides have been found to be useful replacements for metals or ceramics, or even as new applied materials in new technological applications .…”

Section: Introductionmentioning

confidence: 99%

Amide-acid functional SiO₂nanocomposites based on new semi-crystalline poly(ether-sulfone-amide): thermal, combustion and mechanical studies

2016

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New amide–acid functional SiO2 nanoparticle (FSNP)‐reinforced semi‐crystalline aliphatic–aromatic poly(ether‐sulfone‐amide) (PESA) was synthesized using a solution method in dimethylformamide. The surfaces of SiO2 nanoparticles were functionalized with phthalic anhydride, and subsequently PESA was synthesized using direct polymerization with good yield and desired molar mass. PESA/SiO2 nanocomposites (PSNCs) were prepared with three different contents of FSNP and the morphology and mechanical, thermal and combustion properties of the PSNCs were studied. The results of X‐ray diffraction, field‐emission scanning electron microscopy and transmission electron microscopy showed a uniform dispersion for FSNP in the PESA matrix. According to the results of mechanical tests, the tensile strength and the Young's modulus of PESA were enhanced by FSNP loading. Thermogravimetric analysis and derivative thermogravimetry results showed a substantial improvement in thermal properties of PESA. The temperature at 5% mass loss was increased from 371.7 to 395.8 °C for the PSNC containing 8 mass% of FSNP, as well as the char yield being enhanced greatly, which was about 30% higher than that of neat PESA. Significant improvements in combustion properties were observed for PSNCs from microscale combustion calorimetry. The peak heat release rate showed an obvious improvement and decreased by about 57% compared to that of neat PESA on 8 mass% loading of FSNP. © 2016 Society of Chemical Industry

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“…LDH have to modify with suitable organic compounds before using as nanofiller to obtain a good dispersion in polymer matrices, otherwise caused to agglomerate of the LDH sheets due to its charge density and the hydrogen bonds between the intercalated anions and hydroxide layers in LDH structure . Various methods were often used to replace the organic structure anions containing hydrophobic tail in virtue of the ion‐exchange intrinsic ability of LDH …”

Section: Introductionmentioning

confidence: 99%

Influence of imide functionalized organo‐modified Mg‐Al layered double hydroxide on the thermal and mechanical properties of new aliphatic‐aromatic poly (amide‐imide)

Hajibeygi

Shafiei-Navid

Shabanian

2018

Applied Organom Chemis

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A new dicarboxylic acid modified Mg‐Al LDH (DLDH) containing imide groups was prepared and its effects on the thermal and mechanical properties of the new synthesized aliphatic‐aromatic poly (amide‐imide) (PAI) were investigated via preparation of PAI/nanocomposite films by solution casting method. The results of X‐ray diffraction (XRD), field emission‐scanning electron microscopy (FE‐SEM) and transmission electron microscopy (TEM) showed a uniform dispersion for LDH layers into the PAI matrix. For comparison, the effects of polyacrylic acid‐co‐poly‐2‐acrylamido‐ 2‐methylpropanesulfonic acid (PAMPS‐co‐PAA) modified Mg‐Al LDH (ALDH) on the PAI properties were also studied. The thermogravimetric analysis (TGA) results exhibited that the temperature at 5 mass% loss (T5) increased from 277 °C to 310 °C for nanocomposite containing 2 mass% of DLDH, while T5 for nanocomposite containing 2 mass% of ALDH increased to 320 °C, along with the more enhancement of char residue compared to the neat PAI. According to the tensile test results, with 5 mass% DLDH loading in the PAI matrix, the tensile strength increased from 51.6 to 70.8 MPa along with an increase in Young's modulus. Also the Young's modulus of PAI nanocomposite containing 5 mass% ALDH reduced from 1.95 to 0.81 GPa.

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Zn–AL LDH reinforced nanocomposites based on new polyamide containing imide group: From synthesis to properties

Cited by 49 publications

References 48 publications

Estimation of material and interfacial/interphase properties in clay/polymer nanocomposites by yield strength data

Estimation of material and interfacial/interphase properties in clay/polymer nanocomposites by yield strength data

Amide-acid functional SiO₂nanocomposites based on new semi-crystalline poly(ether-sulfone-amide): thermal, combustion and mechanical studies

Influence of imide functionalized organo‐modified Mg‐Al layered double hydroxide on the thermal and mechanical properties of new aliphatic‐aromatic poly (amide‐imide)

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Zn–AL LDH reinforced nanocomposites based on new polyamide containing imide group: From synthesis to properties

Cited by 49 publications

References 48 publications

Estimation of material and interfacial/interphase properties in clay/polymer nanocomposites by yield strength data

Estimation of material and interfacial/interphase properties in clay/polymer nanocomposites by yield strength data

Amide-acid functional SiO2nanocomposites based on new semi-crystalline poly(ether-sulfone-amide): thermal, combustion and mechanical studies

Influence of imide functionalized organo‐modified Mg‐Al layered double hydroxide on the thermal and mechanical properties of new aliphatic‐aromatic poly (amide‐imide)

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Amide-acid functional SiO₂nanocomposites based on new semi-crystalline poly(ether-sulfone-amide): thermal, combustion and mechanical studies