Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 59: Issue 1-2
Nucleating Agents in Polypropylene
Authors:
K. Nagarajan Polytechnic University Department of Chemical Engineering Six MetroTech Center Brooklyn NY 11201 USA Six MetroTech Center Brooklyn NY 11201 USA

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K. Levon Polytechnic University Department of Chemical Engineering Six MetroTech Center Brooklyn NY 11201 USA Six MetroTech Center Brooklyn NY 11201 USA

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, and
A. Myerson Armour College of Engineering and Sciences Illinois Institute of Technology Illinois USA Illinois USA

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Pages:
497–508
Online Publication Date:
02 Nov 2004
Publication Date:
25 Jan 2000
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010197609840
Keywords:
Avrami equation; crystallization; dibenzylidene sorbitol; DSC; isothermal kinetics; nucleating agents; nucleation; pine crystal; polypropylene
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Abstract  

The effects of nucleating agents such as dibenzylidene sorbitol (DBS) (a derivative of sorbitol), pine crystal 1500, sodium and potassium benzoates in commercial grade isotactic polypropylene iPP are studied using differential scanning calorimetry (DSC). Isothermal crystallization kinetics of polypropylene to the alpha phase have been analyzed using Avrami's model. Results indicate that dibenzylidene sorbitol and pine crystal are very effective in increasing the crystallization temperature of the polymer and number of nuclei formed during crystallization.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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