Effect of MWNTs and SiC-Coated MWNTs on Properties of PEEK/LCP Blend | Zendy

Ganesh Chandra Nayak | Zendy; Rajasekar Rathanasamy | Zendy; Saswata Bose | Zendy; Chapal Kumar Das | Zendy

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Effect of MWNTs and SiC-Coated MWNTs on Properties of PEEK/LCP Blend

Author(s) -

Ganesh Chandra Nayak,

Rajasekar Rathanasamy,

Saswata Bose,

Chapal Kumar Das

Publication year - 2009

Publication title -

journal of nanotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.347

H-Index - 29

eISSN - 1687-9511

pISSN - 1687-9503

DOI - 10.1155/2009/759374

Subject(s) - materials science , nanocomposite , composite material , carbon nanotube , ultimate tensile strength , peek , dispersion (optics) , glass transition , silicon carbide , thermal stability , polymer , modulus , dynamic mechanical analysis , chemical engineering , physics , optics , engineering

Multiwall carbon nanotubes (MWNTs) were modified with polycarbosilane-derived silicon carbide (SiC) to improve its dispersion in the polymer matrix. PEEK/LCP/MWNTs nanocomposites were prepared by melt blending. TEM images show the improved dispersion of SiC-coated MWNTs against agglomerated structure of pure MWNTs in the blend. FESEM images shows better fibrillation of LCP in presence of SiC-coated MWNTs. TGA reveals that nanocomposites with SiC-coated MWNTs shows higher thermal stability than MWNTs filled blend system. Based on enhanced dispersion, storage modulus, tensile modulus and tensile strength were increased drastically with the incorporation of SiC-coated MWNTs. Glass transition temperature of the nanocomposites shows significant improvement with the incorporation of MWNTs

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