The adhesive and impact properties of cured epoxy resins, modified with amine‐randomised poly(2‐ethylhexyl acrylate) (ARPEHA) liquid rubber, as a function of the concentration of the liquid rubber, have been investigated. ARPEHA was synthesised by the reaction of the carboxyl‐randomised poly(2‐ethylhexyl acrylate) (CRPEHA) liquid rubber with 4,4′‐diaminodiphenyl sulphone. CRPEHA was synthesised by solution co‐polymerisation of 2‐ethylhexyl acrylate and acrylic acid. ARPEHA modified cured epoxy resins were formed by curing with an ambient temperature‐curing agent, triethylene tetramine. The modified epoxy resins were evaluated with respect to their adhesive and impact properties. The optimum properties were obtained at around 12.5 phr (parts per hundred parts of epoxy resin) of modifier. Analysis of the fracture surface using scanning electron microscopy indicated the presence of two‐phase microstructures.
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1 April 2003
Conceptual Paper|
April 01 2003
Amine‐randomised poly(2‐ethylhexyl acrylate) as impact and adhesive modifier for epoxy resin
S. Kar;
S. Kar
Materials Science Centre, Indian Institute of Technology, Kharagpur, India
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A.K. Banthia
A.K. Banthia
Materials Science Centre, Indian Institute of Technology, Kharagpur, India
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Publisher: Emerald Publishing
Online ISSN: 1758-6941
Print ISSN: 0369-9420
© MCB UP Limited
2003
Pigment & Resin Technology (2003) 32 (2): 69–77.
Citation
Kar S, Banthia A (2003), "Amine‐randomised poly(2‐ethylhexyl acrylate) as impact and adhesive modifier for epoxy resin". Pigment & Resin Technology, Vol. 32 No. 2 pp. 69–77, doi: https://doi.org/10.1108/03699420310464775
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