The Outdoor Aging Properties of Polypropylene/Mica Composite

Abstract:

In this paper, In this paper, polypropylene / mica composites were prepared by blending, using polypropylene (PP) as matrix, mica as filler. In order to study the anti-aging properties of polypropylene / mica composite materials, the above polypropylene / mica composite materials were placed outside to study the influence of natural aging time on the anti-aging properties and to explore the natural aging mechanism of polypropylene / mica composites. Natural aging research results show that:with the extension of the natural aging time the surface of materials will appear cracks and sheddings. The trends of tensile strength reduce at first, then increase and then decrease; the notched impact toughness values show fluctuating in the early aging, then an increase following and then decreasing.The increase of mica content are good for maintaining the mechanical properties of PP / mica composite, PP-g-MAH helps to maintain the tensile strength, while toughening POE-g-MAH will weaken the anti-aging properties of polypropylene / mica composite materials.

• Periodical: Applied Mechanics and Materials (Volumes 670-671)
• Pages: 177-181
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.670-671.177
• Online since: October 2014
• Authors: Yu Jiao Wu*, Chun Ping Yang
• Keywords: Mechanical Property, Mica, Outdoor Aging, Polypropylene

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