The influence of epoxide resin viscosity on impregnation of fiber reinforcement

The influence of the porosity of wet wound composites based on glass and aramid fibers on epoxide resin viscosity in an impregnating bath has been studied. The maximum porosity of the composites after winding has been found to be 5–14%. An increase in impregnation efficiency after thermal polymeriza...

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Bibliographic Details
Published in:Polymer science. Series D, Glues and sealing materials Glues and sealing materials, 2015-10, Vol.8 (4), p.292-295
Main Authors: Komkov, M. A., Tarasov, V. A., Kuznetsov, V. M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Polymer Sciences
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Summary:The influence of the porosity of wet wound composites based on glass and aramid fibers on epoxide resin viscosity in an impregnating bath has been studied. The maximum porosity of the composites after winding has been found to be 5–14%. An increase in impregnation efficiency after thermal polymerization results in a 1.5–2.0% decrease of the initial composite porosity. The viscosity dependencies of the wound composite porosity have been shown to be nonlinear and convenient for further mathematical treatment. These data can be used in the design of bath heaters in winding machines.
ISSN:1995-4212
1995-4220
DOI:10.1134/S1995421215040073