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In‐situ deformation studies of rubber toughened PMMA: A SAXS analysis of the response of core‐shell particles to deformation
Author(s) -
He Chaobin,
Donald Athene M.,
Butler Michael F.,
Diat Olivier
Publication year - 1996
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.19961120117
Subject(s) - materials science , natural rubber , small angle x ray scattering , composite material , deformation (meteorology) , ultimate tensile strength , scattering , core (optical fiber) , polymer , particle (ecology) , optics , oceanography , physics , geology
The deformation behaviour of core‐shell rubber particles in a polymer matrix under tensile strain was studied using small‐angle X‐ray scattering (SAXS) combined with computer simulation of the scattering. The core‐shell rubber particles first undergo inhomogeneous deformation, followed by a progressive debonding at the rubber/poly(methyl methacrylate) (PMMA) interfaces beyond the yield point. A dilatation band of cavitated rubber particles, with a tilt angle of 46–48°, is also observed in samples with a high rubber particle concentration.
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