Novel poly(methyl methacrylate-co-methacrylic acid) (PMMAMA) and polyamide 6 (PA-6) blend was reinforced with graphene oxide (GO) and montmorillonite-modified GO (GO-MMT). In this way, two series of composites were prepared with varying GO and GO-MMT content. PA-6 was in situ polymerized and the effect of filler addition on molecular weight was studied using GPC. In the case of GO-MMT system, the lowering in molecular weight was more pronounced (Mn ∼ 15 × 103 gmol−1). The thermal stability of PMMAMA/PA-6/GO-MMT 0.5–5 system was found higher than PMMAMA/PA-6/GO 0.5–5. PHHR of PMMAMA/PA-6/GO-MMT was decreased from 317 to 214 kW/m2 with 0.5–5 wt% loading.
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Ayesha Kausar (2015) studied this question.
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