Tensile Properties of Polypropylene Filled with Nanoscale Calcium Carbonate Particles | Zendy

Ming Qiu Zhang | Zendy; Min Zhi Rong | Zendy; Shun Long Pan | Zendy; K. Friedrich | Zendy

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Tensile Properties of Polypropylene Filled with Nanoscale Calcium Carbonate Particles

Author(s) -

Ming Qiu Zhang,

Min Zhi Rong,

Shun Long Pan,

K. Friedrich

Publication year - 2002

Publication title -

advanced composites letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.188

H-Index - 21

eISSN - 2633-366X

pISSN - 0963-6935

DOI - 10.1177/096369350201100604

Subject(s) - materials science , polypropylene , ultimate tensile strength , composite material , polymer , nanoscopic scale , calcium carbonate , agglomerate , toughness , grafting , nanoparticle , filler (materials) , nanotechnology

To bring the positive effect of nanoscale calcium carbonate into play, macromolecular chains were introduced onto the particles by irradiation grafting polymerisation so that the hydrophobicity of the particles was increased and the loosen agglomerates became stronger. Tensile testing results demonstrated that polypropylene composites incorporated with the grafted nano-CaCO 3 particles exhibited improved stiffness, strength and toughness at low filler content when proper grafting polymers are introduced. Species of grafting polymers adhered to the nanoparticles is an important factor affecting the modification effect of the matrix polymer. Therefore, composites performance can be purposely tailored accordingly.

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