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Eco‐friendly cardanol‐based phenalkamine cured epoxy‐cenosphere syntactic foams: Fabrication and characterisation
Author(s) -
Kaur Mandip,
Jayakumari L. S.
Publication year - 2016
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.44189
Subject(s) - cenosphere , syntactic foam , epoxy , materials science , thermogravimetric analysis , composite material , triethylenetetramine , glass transition , thermal stability , brittleness , curing (chemistry) , scanning electron microscope , dynamic mechanical analysis , modulus , chemical engineering , fly ash , polymer , chemistry , organic chemistry , engineering
The performance of epoxy/cenosphere syntactic foams cured using phenalkamine (PA) were analyzed and characterized. The PA system was found to cure faster at room temperature, had lower density, and lower water absorption values. The thermogravimetric analysis result implied higher thermal stability. The cure studies using DSC inferred faster cure reaction in the ambient temperature conditions. The compression studies confirmed that unlike the epoxy system based on conventional triethylenetetramine curative, PA‐based system did not undergo brittle failure. This was also confirmed with the scanning electron microscope images. Dynamic mechanical analysis inferred the glass transition temperatures ( T g ) as 81.4°C. The specific modulus and specific strength were higher for 40% cenosphere loading in PA‐based syntactic foams. As the need for light weight core materials is continually increasing, there is a great possibility for the utilization of this novel bio‐based curing agent to produce sustainable products. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016 , 133 , 44189.