Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31033
Title: Crystallization properties of polycaprolactone composites filled with nanometer calcium carbonate
Authors: Liang, JZ
Zhou, L
Tang, CY 
Tsui, CP 
Keywords: composites
crystallization
differential scanning calorimetry (DSC)
nanostructured polymers
Issue Date: 2013
Publisher: John Wiley & Sons
Source: Journal of applied polymer science, 2013, v. 128, no. 5, p. 2940-2944 How to cite?
Journal: Journal of applied polymer science 
Abstract: Polycaprolactone (PCL) composites filled with nanometer calcium carbonate (nano-CaCO3) were prepared by means of a twin-screw extruder in this study. The nano-CaCO3 surface treated with stearate. The crystalline properties of the PCL/nano-CaCO3 composites were measured with a differential scanning calorimeter to identify the influence of the nanometer filler content on the crystalline properties. The results show that the crystallization onset temperature, crystallization temperature, and crystallization end temperature of the composites were obviously higher than those of the unfilled PCL resin, and the crystallization degree (χc) of the composites increased with increasing particle weight fraction (φf) when φf was more than 1%. When φf was 1%, χc of the composite was less than that of the unfilled PCL resin. Moreover, the dispersion of the inclusions in the matrix was observed by means of scanning electron microscopy.
URI: http://hdl.handle.net/10397/31033
ISSN: 0021-8995
EISSN: 1097-4628
DOI: 10.1002/app.38359
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