Novel Method to Toughen Polypropylene by Uniaxial Compression Processing

Abstract:

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Based on the orientation of molecule chain in fibers, it will urge a rapid increase in mechanical properties. Nevertheless, block materials mainly gain rise of mechanical properties by blend or composite today, it is hardly proposed on self-toughening materials by optimizing the microstructure because of a lack of relations between the performance and the microstructure in block materials. In this paper, a toughening PP was gained through small deformation of spherulite, processed by uniaxial compression. A series of measurements were applied, including impact test and polarizing optical microscope (POM). The results show that the impact properties of polypropylene (PP) have a rapid rise. POM suggests that the spherulite has deformed into ellipsoid even belt along the orientation of sample of PP, which plays an important role in toughening.

Info:

Periodical:

Advanced Materials Research (Volumes 239-242)

Edited by:

Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He

Pages:

3249-3252

DOI:

10.4028/www.scientific.net/AMR.239-242.3249

Citation:

M. L. Jiao et al., "Novel Method to Toughen Polypropylene by Uniaxial Compression Processing", Advanced Materials Research, Vols. 239-242, pp. 3249-3252, 2011

Online since:

May 2011

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Price:

$35.00

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