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Spatial separation of resin and curing system in reinforced composite technology

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Fibre Chemistry Aims and scope

Abstract

The following conclusions were drawn from an analysis of the data obtained: the use of methods of spatial separation of components increases the acceptable storage times for prepregs to 14–60 days with a simultaneous increase in the strength characteristics of the PCM fabricated from the prepregs after they were stored; the use of separate application of components (SAC) is restricted by stronger spatial hindrances than with laminar application of components (LAC), so that the latter method ensures a higher degree of strengthening of PCM; this drawback of the SAC method is partially compensated by using magnetic treatment; the use of protective polymers in the curing system allows deliberately regulating the properties of PCM for defined applications: increasing σb by up to 60‡ and αim by up to 50% relative to material fabricated by the traditional method; an improved version of magnetic treatment of freshly impregnated fibres is proposed and allows increasing σb by 30% on average and αim by 60–70% in comparison to PCM fabricated by the LAC method without magnetic treatment.

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References

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Authors
  1. V. N. Studentsov
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  2. I. V. Karpova
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Additional information

Translated from Khimicheskie Volokna, No. 4, pp. 33–36, July–August, 1998.

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Studentsov, V.N., Karpova, I.V. Spatial separation of resin and curing system in reinforced composite technology. Fibre Chem 30, 248–252 (1998). https://doi.org/10.1007/BF02407246

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  • DOI: https://doi.org/10.1007/BF02407246

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