On the influence of particle morphology on microdeformation in rubber modified poly(methyl methacrylate)

Microdeformation in thin films of rubber modified poly(methyl methacrylate) has been investigated using TEM. The effects of two-layer core—shell particles with rubbery cores, and three-layer particles with glassy cores are compared. While the former undergo relatively coarse cavitation and may act t...

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Bibliographic Details
Published in:Polymer (Guilford) 1996, Vol.37 (1), p.7-10
Main Authors: Plummer, C.J.G., Béguelin, Ph, Kausch, H.-H.
Format: Article
Language:English
Subjects:
Applied sciences
crazing
Exact sciences and technology
Mechanical properties
Organic polymers
Physicochemistry of polymers
poly(methyl methacrylate)
Properties and characterization
rubber toughening
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Summary:Microdeformation in thin films of rubber modified poly(methyl methacrylate) has been investigated using TEM. The effects of two-layer core—shell particles with rubbery cores, and three-layer particles with glassy cores are compared. While the former undergo relatively coarse cavitation and may act to block fibril drawing in matrix crazes, the rubber shell of the three-layer particles tends to fibrillate, and they are readily incorporated in the crazes.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(96)81593-X