Paper Title:
Step-Scan DSC Study on the Melting Behavior of Polypropylene/Attapulgite Nanocomposites
  Abstract

Attapulgite(AT) was modified by grafting with butyl acrylate(BA) via polymerizations initiated by Gamma radiation. The polypropylene(PP)/AT nanocomposites were synthesized via melting extrude in a twin-screw extruder. The thermogravimetry(TG) and scanning electron microscopy (SEM) were used to assess the graft ratio of the hybrid materials and the dispersion of AT, respectively. Step-scan differential scanning calorimetry(SSDSC) was used to study the influence of AT on the crystallization and subsequent melting behavior. The results indicated that PP and PP/AT nanocomposites underwent multiple melting and secondary crystallization processes during heating. The melting behaviours of PP and PP/AT nanocomposites varied with the variation of crystallization temperature and AT content.

  Info
Periodical
Advanced Materials Research (Volumes 284-286)
Chapter
Micro/Nano Materials
Edited by
Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu
Pages
763-768
DOI
10.4028/www.scientific.net/AMR.284-286.763
Citation
L. L. Sun, K. Hu, L. Chen, K. Zheng, X. Y. Tian, "Step-Scan DSC Study on the Melting Behavior of Polypropylene/Attapulgite Nanocomposites", Advanced Materials Research, Vols. 284-286, pp. 763-768, 2011
Online since
July 2011
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$32.00
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