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The Rheological and Mechanical Model for Relaxation Spectra of Polydisperse Polymers

  • 발행 : 1992.08.20

초록

The theoretical equation for the relaxation spectrum of nonlinear viscoelastic polymeric material was derived from the Ree-Eyring and Maxwell non-Newtonian model. This model consists of infinite number of hyperbolic sine law Maxwell elements coupled in parallel plus a spring without a dashpot. Infinite number of nonlinear viscoelastic Maxwell elements can be used by specifying distribution of relaxation times, hole volumes, molecular weights, crystallite size and conformational size, etc. The experimentals of stress relaxation were carried out using the tensile tester with the solvent chamber. The relaxation spectra of nylon 6 filament fibers in various electrolytic solutions were obtained by applying the experimental stress relaxation curves to the theoretical equation of relaxation spectrum. The determination of relaxation spectra was performed from computer calculation.

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참고문헌

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피인용 문헌

  1. Polyacrylonitrile-Poly(vinyl chloride) 공중합체 완화스펙트럼의 실험과 이론적인 고찰 vol.35, pp.3, 1992, https://doi.org/10.7317/pk.2011.35.3.232
  2. Poly(acrylonitrile)-poly(vinyl chloride) 공중합체의 자체 확산 계수와 유동 자유 홀부피 vol.46, pp.3, 1992, https://doi.org/10.7473/ec.2011.46.3.245
  3. REM 모델에 의한 Poly(methyl acrylate)-Poly(acrylonitrile) 공중합체 완화스펙트럼의 pH 영향 vol.37, pp.2, 1992, https://doi.org/10.7317/pk.2013.37.2.135
  4. Spreading Kinetics of Poly(diisobutylene maleic acid) at the Air-water Interface vol.32, pp.4, 1992, https://doi.org/10.12925/jkocs.2015.32.4.661