Roll-drawing and die-drawing of toughened poly(ethylene terephthalate). Part 1. Structure and mechanical characterization

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DOIResolve DOI: http://doi.org/10.1016/j.polymer.2004.10.089
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TypeArticle
Journal titlePolymer
Volume46
Issue6
Pages19561966; # of pages: 11
SubjectToughened PET; morphology; mechanical properties
AbstractIn this work, two solid-state forming processes, namely roll-drawing and die-drawing, were evaluated for inducing high levels of orientation in toughened semicrystalline poly(ethylene terephthalate) (PET), modified with a metallocene ethylene-octene copolymer. In order to study the role of adhesion at the particle/matrix interface, the elastomer was grafted with glycidyl methacrylate (GMA). The GMA functional groups, which can graft to PET to form a copolymer, induced a reduction in the size of the elastomeric phase. The oriented toughened sheets from roll-drawing and die-drawing processes were characterized in terms of processing conditions (process and draw ratio), interfacial modification (GMA grafting), morphology (particle size and shape) and tensile mechanical properties (modulus, yield stress and toughness).
Publication date
LanguageEnglish
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedNo
NRC number54291
NPARC number18432569
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Record identifier9666a52a-5935-4728-a378-057731828257
Record created2011-08-23
Record modified2016-05-09
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