Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 100: Issue 2
Thermal degradation studies on PMMA–HET acid based oligoesters blends
Authors:
Thangamani Rajkumar Kamaraj College of Engineering and Technology Department of Polymer Technology SPGC Nagar K. Vellakulam Post 625701 India

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Chinnaswamy Vijayakumar Kamaraj College of Engineering and Technology Department of Polymer Technology SPGC Nagar K. Vellakulam Post 625701 India

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Palanichamy Sivasamy Ayya Nadar Janaki Ammal College (Autonomous) Post-graduate Department of Chemistry Sivakasi 626124 India

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Bojja Sreedhar Indian Institute of Chemical Technology Inorganic and Physical Chemistry Tarnaka Hyderabad 500007 India

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Charles Wilkie Marquette University Department of Chemistry P.O. Box 1881 Milwaukee WI 53201 USA

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Pages:
651–660
Online Publication Date:
25 Jul 2009
Publication Date:
01 May 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-009-0266-2
Keywords:
Bulk polymerization; GC–MS; Mechanism; Oligoesters; PMMA; TG–FTIR; Thermal degradation
Restricted access

Abstract  

Imparting thermal stability to polymethyl methacrylate (PMMA) without affecting its optical clarity is attempted by incorporating HET acid based oligoesters. Pure PMMA and PMMA containing five and 20 wt% of four different oligoesters are separately prepared using bulk polymerization. The thermal properties of the materials studied using DSC, TG, TG–FTIR and Pyr–GC–MS are presented. The main volatile degradation products identified are CO, HCl, CO2, H2O, hexachlorocyclopentadiene, hexachloroendomethylene tetrahydrophthalic acid/anhydride and methyl methacrylate. A detailed mechanism for the influence of the degradation products of HET acid based oligoesters on the thermal degradation of PMMA is also presented.

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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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