Preparation and characterization of poly(amide‐imide)/Mg‐Al LDH nanocomposites; effect of organo‐modified LDH on thermal properties and morphology

Preparation and characterization of poly(amide‐imide)/Mg‐Al LDH nanocomposites; effect of organo‐modified LDH on thermal properties and morphology

New poly(amide‐imide) Mg‐Al/layered double hydroxide (LDH) nanocomposites (PAINC) were prepared from synthesized poly(amide‐imide) (PAI) containing sulfone and ether linkages with two new organo modified Mg‐Al LDH (OLDH) by solution intercalation technique. OLDH were prepared from two different orga...

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Veröffentlicht in:Polymer composites 2018-06, Vol.39 (S3), p.E1669-E1681
Hauptverfasser: Hajibeygi, Mohsen, Omidi‐Ghallemohamadi, Mehrdad
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container_end_page E1681
container_issue S3
container_start_page E1669
container_title Polymer composites
container_volume 39
creator Hajibeygi, Mohsen
Omidi‐Ghallemohamadi, Mehrdad
description New poly(amide‐imide) Mg‐Al/layered double hydroxide (LDH) nanocomposites (PAINC) were prepared from synthesized poly(amide‐imide) (PAI) containing sulfone and ether linkages with two new organo modified Mg‐Al LDH (OLDH) by solution intercalation technique. OLDH were prepared from two different organo modifier with and without imide heterocyclic structure by one step method. The results of X‐ray diffraction (XRD), field emission‐scanning electron microscopy (FE‐SEM) and transmission electron microscopy (TEM) showed uniform distribution for LDH sheets in the PAI matrix. Thermal properties of all the samples were studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The thermal properties results showed that by OLDH loading in PAI matrix the thermal stabilities were increased. The temperature at 5% mass loss (T5) was increased from 225°C to 300°C for PAINC containing 5 mass% of OLDH containing imide hetrocyclic rings. The theoretical study indicated that the d‐value of OLDH has been related to structure of its organo‐modifier. POLYM. COMPOS., 39:E1669–E1681, 2018. © 2017 Society of Plastics Engineers
doi_str_mv 10.1002/pc.24633
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title Preparation and characterization of poly(amide‐imide)/Mg‐Al LDH nanocomposites; effect of organo‐modified LDH on thermal properties and morphology
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