Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 49: Issue 1
Thermal analysis on influence of compatibilizing agents
Effect of vulcanization of incompatible elastomer blend
Authors:
K. Pandey Defence Materials and Stores Research and Development Establishment, G.T. Road, 208 013 Kanpur, India

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K. Debnath Defence Materials and Stores Research and Development Establishment, G.T. Road, 208 013 Kanpur, India

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P. Rajagopalan Defence Materials and Stores Research and Development Establishment, G.T. Road, 208 013 Kanpur, India

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D. Setua Defence Materials and Stores Research and Development Establishment, G.T. Road, 208 013 Kanpur, India

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G. Mathur Defence Materials and Stores Research and Development Establishment, G.T. Road, 208 013 Kanpur, India

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Pages:
281–292
Online Publication Date:
03 Aug 2005
Publication Date:
01 Jul 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01987449
Keywords:
compatibilization; elastomer blend; phase morphology; thermal analysis; ultrasonic velocity
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Abstract  

Studies have been made on differential scanning calorimetry (DSC), thermogravimetric analysis (TG) and dynamic mechanical analysis (DMA) of binary blends of isobutylene-isoprene (IIR) copolymer and polychloroprene (CR) elastomers. Blends of IIR and CR are incompatible and showed separateTg peaks in DSC curves similar to Tanδ peaks. However, addition of chlorinated polyethylene (CM) elastomer, as compatibilizer, imparts miscibility between IIR and CR which could be judged both through DSC as well as by dynamic loss measurements (Loss modulusE″ and Tanδ). The storage modulus (E′) showed variation of stiffness due to structural changes associated with the addition of compatibilizer. TG plots for these blends showed improvement of thermal stability both by addition of a suitable compatibilizer as well as due to formation of crosslinked structures associated with the vulcanization of the blends by standard curative package.

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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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