The Effect of Pressure-Induced Flow Processing on the Tensile Properties and Crystal Structure of Polypropylene

Abstract:

Article Preview

Mechanical properties have close relation with microstructure. Based on orientation of the molecule chain in fiber, they show a rapid increase in tensile properties. Nevertheless, block materials mainly gain rise of mechanical properties by blend or composite, it is hardly proposed on the self-reinforced materials by optimizing the microstructure. In this work, the structure and tensile properties of polypropylene (PP), treated at 105°C for 5min under different pressure, were studied with microscopy, differential scanning calorimetry (DSC). The variety of supra-structure that the spherulite deforms into ellipse even fractures piece in the pressure field adds to the mechanical properties. The orderliness of crystal increases with the pressure, and Tm is increased slightly from the original level.

Info:

Periodical:

Edited by:

Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen

Pages:

1177-1180

DOI:

10.4028/www.scientific.net/AMM.117-119.1177

Citation:

M. L. Jiao et al., "The Effect of Pressure-Induced Flow Processing on the Tensile Properties and Crystal Structure of Polypropylene", Applied Mechanics and Materials, Vols. 117-119, pp. 1177-1180, 2012

Online since:

October 2011

Export:

Price:

$35.00

In order to see related information, you need to Login.

In order to see related information, you need to Login.