Effects of CTBN on the cure characteristics of DGEBA/MDA/PGE-AcAm system

Effects of CTBN on the cure characteristics of DGEBA/MDA/PGE-AcAm system

Effects of carboxyl-terminated butadiene acrylonitrile rubber (CTBN) on the cure characteristics of diglycidyl ether of bisphenol A (DGEBA)/4,4′-methylene dianiline (MDA)/phenyl glycidyl ether (PGE)-acetamide (AcAm) system were studied by autocatlytic cure rate expression. Cure rate at initial stage...

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Veröffentlicht in:Materials chemistry and physics 1998-03, Vol.52 (3), p.272-276
Hauptverfasser: Lee, J.Y., Choi, H.K., Shim, M.J., Kim, S.W.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Autocatalyst
CTBN
Cure kinetics
Diffusion control
Elastomers
Epoxy
Exact sciences and technology
Industrial polymers. Preparations
Polymer industry, paints, wood
Technology of polymers
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Zusammenfassung:Effects of carboxyl-terminated butadiene acrylonitrile rubber (CTBN) on the cure characteristics of diglycidyl ether of bisphenol A (DGEBA)/4,4′-methylene dianiline (MDA)/phenyl glycidyl ether (PGE)-acetamide (AcAm) system were studied by autocatlytic cure rate expression. Cure rate at initial stage increased with the increment of the CTBN content, however, at some high stage cure rate was inverted due to the diffusion control of formed CTBN domain. The total conversion was also decreased with the increase of the CTBN content.
ISSN:0254-0584
1879-3312
DOI:10.1016/S0254-0584(97)02049-X