Preparing cellulose nanocrystal/acrylonitrile-butadiene-styrene nanocomposites using the master-batch method

•High content of CNC (70wt%) master batch was successfully prepared.•Thermal stability and dispersibility and compatibility of CNC were improved.•Mechanical properties of ABS/CNC nanocomposites were improved.•CNC can be utilized environmentally, human friendly and cost effectively. The master-batch...

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Bibliographic Details
Published in:Carbohydrate polymers 2015-07, Vol.125, p.352-359
Main Authors: Ma, Libo, Zhang, Yang, Meng, Yujie, Anusonti-Inthra, Phuriwat, Wang, Siqun
Format: Article
Language:English
Subjects:
ABS
Acrylic Resins - chemistry
Butadienes - chemistry
Cellulose - chemistry
Cellulose nanocrystal
Chemistry Techniques, Synthetic - methods
Composites
Extrusion
Master-batch
Nanocomposites - chemistry
Nanoparticles - chemistry
Polystyrenes - chemistry
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Summary:•High content of CNC (70wt%) master batch was successfully prepared.•Thermal stability and dispersibility and compatibility of CNC were improved.•Mechanical properties of ABS/CNC nanocomposites were improved.•CNC can be utilized environmentally, human friendly and cost effectively. The master-batch method provides a simple way to apply cellulose nanocrystal (CNC) as reinforcement in a hydrophobic matrix. The two-stage process includes making high-CNC content (70wt%) master batch pellets, then mixing acrylonitrile-butadiene-styrene (ABS) and maleic anhydride grafted polyethylene with the master batch pellets to prepare the ABS/CNC nanocomposite in extruder. SEM image indicates that self-assembled CNC nanosheets disperse evenly throughout the polymer matrix. The improved mechanical properties shown in tensile and DMA tests reveal that the CNC combines well with the ABS. TGA results show that the thermal degradation temperature of CNC in the master batch increases because of the protection of the ABS coating. This approach not only improves the dispersion ability and the thermal stability of CNC, but it is also applicable to use with other hydrophobic thermoplastics in industrial scale production.
ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2015.02.062