Dielectric and mechanical characterization of aryl ester dendrimer/PET blends

The structure property relationships of miscible blends of two aryl ester dendrimers with poly(ethylene terephthalate) (PET) have been investigated. Although dielectric studies show relatively small effects on the glass transition process, the addition of dendrimers to PET produces a significant mod...

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Veröffentlicht in:Polymer (Guilford) 1996-06, Vol.37 (12), p.2395-2401
Hauptverfasser: Carr, Paul L., Davies, Geoffrey R., Feast, W.James, Stainton, Neil M., Ward, Ian M.
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container_end_page 2401
container_issue 12
container_start_page 2395
container_title Polymer (Guilford)
container_volume 37
creator Carr, Paul L.
Davies, Geoffrey R.
Feast, W.James
Stainton, Neil M.
Ward, Ian M.
description The structure property relationships of miscible blends of two aryl ester dendrimers with poly(ethylene terephthalate) (PET) have been investigated. Although dielectric studies show relatively small effects on the glass transition process, the addition of dendrimers to PET produces a significant modification of the tensile drawing behaviour which may be interpreted in terms of the stretching of a molecular network. The smaller of the two dendrimers investigated acts as a plasticizer and reduces the chain entanglement density of the blend, whereas the larger dendrimer acts as an antiplasticizing agent and increases the entanglement density.
doi_str_mv 10.1016/0032-3861(96)85351-1
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source ScienceDirect Journals (5 years ago - present)
subjects Applied sciences
blends
characterization
dendrimers
Exact sciences and technology
Mechanical properties
Organic polymers
Physicochemistry of polymers
Properties and characterization
title Dielectric and mechanical characterization of aryl ester dendrimer/PET blends
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