Affiliation:
1. Beijing University of Chemical Technology
Abstract
Nanocomposites of nanosized-CaCO3/polypropylene-ethylene copolymer (PPE) and nanosized
CaCO3/ PPE/ styrene-butadiene-styrene (SBS) were prepared by using two-roll mill and single
screw extruder. The average particle size of nanosized CaCO3 was determined to be about 30 nm.
By adding nanosized CaCO3 into PPE matrix, the toughness of the matrix improves significantly. At
nanosized CaCO3 content of 12 phr (parts per hundred PPE resin by weight), the impact strength of
CaCO3/PPE at room temperature reaches 61.6 KJ/m2, which is 3.02 times that of unfilled PPE
matrix. In addition, the synergistic toughening effect of nanosized CaCO3 and SBS particles on PPE
matrix was investigated.
Publisher
Trans Tech Publications, Ltd.
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics
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