Abstract
In the present work, blends of biobased polymers were formulated using two polyamides made from biorenewable resources. Polyamide 610 (PA610) and polyamide 1010 (PA1010) were meltmixed in different compositions, producing polymer blends with renewable carbon content from 74 to 89%. Physical properties of the PA610/PA1010 blends were investigated by differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA) and impact strength testing. From the DMTA results, it was possible to identify a single glass transition temperature (Tg) for each PA610/PA1010 blend. The measurements of the impact testing show intermediate values compared to the pure polymers. The DSC thermograms show melting point depression for the PA610 crystals with increasing PA1010 content. All those results indicate the two polyamides are fully miscible in the melt in the composition range investigated.
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