The effects of poly(amide-imide) coating on the thermal, combustion and mechanical properties of polyvinyl chloride ZnO nanocomposites

Hajibeygi, Mohsen; Maleki, Mahdiye; Shabanian, Meisam

doi:10.1016/j.porgcoat.2018.05.013

Cited by 15 publications

(10 citation statements)

References 63 publications

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“…This instability would be because of dehydrochlorination process and releasing HCl, which caused to convert to unsaturated structure with different basic properties and color 3 . Literature reports have shown that there are various methods to improve thermal stability of PVC such as adding thermal stable additives or coating by nanoparticles and thin‐layer organic polymers for improving PVC thermal stability and preventing the HCl elimination 4 . Also, PVC coated with flame retardant materials has commonly used for textiles due to its ability to provide resistance against weathering as well as adequate flame retardancy for long time under undesirable environmental conditions 5 …”

Section: Introductionmentioning

confidence: 99%

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Phosphorus‐containing polyamide Mg(OH)₂ nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Hajibeygi

Habibnejad

Shabanian³

et al. 2020

Polymers for Advanced Techs

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Surface of poly(vinyl chloride) (PVC) thin films was coated using DOPO‐based polyamide (DBPA) coating and DBPA/Mg(OH)2 nanocomposites (DBPN) coating by dip‐coating process. For this purpose, a new DOPO‐based dicarboxylic acid (DBDA) was synthesized and used for preparation of DBPA and organically surface modification of Mg(OH)2 nanoparticles. The effects of DBPA and DBPN coatings on the morphology, thermal stability, combustion, and mechanical properties of PVC were investigated. The uniform dispersion of Mg(OH)2 nanoparticles (nano‐MDH) and organically coating manner on the surface of the PVC films were confirmed by ATR‐IR spectroscopy, X‐ray diffraction (XRD), field emission scanning electron microscopy (FE‐SEM), energy dispersive X‐ray, and elemental mapping. From thermal gravimetry analysis (TGA) results, the 10 mass% loss temperature (T10) increased from 268°C to 272°C in PVC coated with DBPA‐containing 10 mass% of modified Mg(OH)2 (MMH). Also the char residue, first and second mass loss temperatures of all PVC coated were increased compared with the neat PVC film. According to microscale combustion calorimetry (MCC) results, the peak of heat release rate (pHHR) and total heat release (THR) were decreased from 128 ± 2 to 69 W/g and 12 ± 1 to 4 ± 2 KJ/g for PVC film coated with DBPA‐containing 10 mass% of MMH, compared with the neat PVC. From tensile test results, tensile strength was increased from 31.78 ± 0.8 to 39.64 ± 0.9 MPa for PVC coated with polyamide‐containing 5 mass% of MMH compared with the neat PVC.

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Section: Introductionmentioning

confidence: 99%

“…The use of nitrogen‐rich materials, phosphorus‐containing compounds, and reinforcement nanoparticles in the coating structure can be retarded the dehydrochlorination process 7 . Surface modification of PVC with polyamide coatings as high‐performance polymeric materials can be a useful method to increase heat resistance of PVC 4 …”

Section: Introductionmentioning

confidence: 99%

Phosphorus‐containing polyamide Mg(OH)₂ nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Hajibeygi

Habibnejad

Shabanian³

et al. 2020

Polymers for Advanced Techs

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“…Hajibeygi et al [6] investigated the thermal stability of PVC-modified ZnO nanoparticles with imide functionalized polyethyleneimine (PEI). The thermal stability of the prepared modified nanocomposite sample was increased.…”

Section: Introductionmentioning

confidence: 99%

Nonisothermal Kinetic Analysis and AC Conductivity for Polyvinyl Chloride (PVC)/Zinc Oxide (ZnO) Nanocomposite

Alfannakh

2020

Advances in Polymer Technology

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The behavior of polyvinyl chlorine (PVC)/zinc oxide (ZnO) nanoparticles was investigated. To improve the dispersion and distribution of zinc nanoparticles within the host polymer (PVC), they were treated with water before being added to the polymer. The nanocomposite samples were prepared by casting method using different weight ratios of ZnO nanoparticles. The prepared nanocomposite samples were characterized by thermogravimetric analysis (TGA). Both thermal stability and kinetic analysis of the prepared samples were investigated. The ZnO nanoparticles lower the activation energy and decrease the thermal stability of PVC. Kissinger, Flynn-Wall-Ozawa, and Kissinger-Akahira-Sunose models were used in the nonisothermal kinetic analysis of PVC/ZnO nanocomposite samples. The thermal stability behavior due to the addition of zinc oxide nanoparticles was explained and correlated with the behavior of the kinetic parameters of the samples. The AC conductivity as function of frequency and temperature was also investigated. The addition of ZnO nanoparticle increases the AC conductivity, and the temperature-independent region decreased by increasing temperature. Both S and A coefficients were predicted using the Jonscher power law and OriginLab software. The trends of S and A coefficients were discussed based on the glass transition of the host polymer.

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“…The improvement of the thermal and flame retardancy behaviors along with mechanical properties of polymers such as PLA can be achieved by addition of flame retardant additives along with nanoparticles and organo‐modified nanoparticles . The thermal and fire resistance of polymers have been improved by the addition of an organic additive.…”

Section: Introductionmentioning

confidence: 99%

Design and preparation of poly(lactic acid) hydroxyapatite nanocomposites reinforced with phosphorus‐based organic additive: Thermal, combustion, and mechanical properties studies

Hajibeygi

Shafiei-Navid

2019

Polymers for Advanced Techs

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A new phosphorus-based organic additive (PDA) was designed and successfully synthesized using a three-component reaction for improvement of the thermal and combustion resistance of polylactic acid (PLA). For compensate for mechanical properties of PLA, hydroxyapatite nanoparticles was modified via in situ surface modification with PDA and was used for preparation of PLA nanocomposites. The structure and morphology as well as thermal, combustion, and mechanical properties of the all PLA systems were investigated. The X-ray diffraction (XRD) and field-emission scanning electron microscopy (FE-SEM) results indicated that the presence of PDA as surface modifier has been necessary for a desirable dispersion of hydroxyapatite (HA) nanoparticles in the PLA matrix. The thermal, combustion, and mechanical properties of the PLA system films were investigated using thermogravimetric analysis (TGA), microscale combustion calorimeter (MCC), and tensile test, respectively. The initial decomposition temperature and char residue of PLA containing 6 mass% of PDA along with 2 mass% HA nanoparticles were increased 20°C and 12% respectively, compared with that of the neat PLA. The peak of heat release rate was decreased from 566 W/g for the neat PLA to 412 W/g for PLA containing 2 mass% of PDA along with 6 mass% HA nanoparticles. By incorporation of only 2 mass% HA nanoparticles and 6 mass% of PDA, the tensile strength was obtained 51 MPa higher than that of the neat PLA.

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The effects of poly(amide-imide) coating on the thermal, combustion and mechanical properties of polyvinyl chloride ZnO nanocomposites

Cited by 15 publications

References 63 publications

Phosphorus‐containing polyamide Mg(OH)₂ nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Phosphorus‐containing polyamide Mg(OH)₂ nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Nonisothermal Kinetic Analysis and AC Conductivity for Polyvinyl Chloride (PVC)/Zinc Oxide (ZnO) Nanocomposite

Design and preparation of poly(lactic acid) hydroxyapatite nanocomposites reinforced with phosphorus‐based organic additive: Thermal, combustion, and mechanical properties studies

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The effects of poly(amide-imide) coating on the thermal, combustion and mechanical properties of polyvinyl chloride ZnO nanocomposites

Cited by 15 publications

References 63 publications

Phosphorus‐containing polyamide Mg(OH)2 nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Phosphorus‐containing polyamide Mg(OH)2 nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Nonisothermal Kinetic Analysis and AC Conductivity for Polyvinyl Chloride (PVC)/Zinc Oxide (ZnO) Nanocomposite

Design and preparation of poly(lactic acid) hydroxyapatite nanocomposites reinforced with phosphorus‐based organic additive: Thermal, combustion, and mechanical properties studies

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Phosphorus‐containing polyamide Mg(OH)₂ nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties

Phosphorus‐containing polyamide Mg(OH)₂ nanocomposite coating on surface of poly(vinyl chloride) thin film: Study on thermal stability, flammability, and mechanical properties