Epoxy Elastomers Modified with Silsesquioxane

Summary This study aimed at investigating into possible applications of polyhedral oligomeric silsesquioxanes (POSS) as fillers of epoxy elastomers. Detailed studies were carried out for octakis[(3‐glycidyloxypropyl) ­dimethylosiloxy]octasilsesquioxane (POSS‐OG). The elastic epoxy materials consiste...

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Published inMacromolecular symposia. Vol. 358; no. 1; pp. 28 - 34
Main Authors Mossety-Leszczak, Beata, Ostyńska, Paulina, Galina, Henryk
Format Journal Article
LanguageEnglish
Published Weinheim Blackwell Publishing Ltd 01.12.2015
Wiley Subscription Services, Inc
Subjects
composites
Crosslinking
Differential scanning calorimetry
Dynamic mechanical properties
Dynamic tests
Dynamics
Elastomers
epoxy
Ethers
Polyhedral oligomeric silsesquioxane
silsesquioxanes
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Summary:Summary This study aimed at investigating into possible applications of polyhedral oligomeric silsesquioxanes (POSS) as fillers of epoxy elastomers. Detailed studies were carried out for octakis[(3‐glycidyloxypropyl) ­dimethylosiloxy]octasilsesquioxane (POSS‐OG). The elastic epoxy materials consisted of diglycidyl ethers of 1,4‐butanediol or 1,6‐hexanediol, crosslinked with polyoxypropylenediamine Jeffamine D2000. The results obtained by differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMA), and rheological measurements made it possible to establish the effect of POSS‐OG modifier on the properties of the material. The silsesquioxane modifier was found to enhance the elasticity of the resulting polymers and reduced gelation time.
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ISSN:1022-1360
1521-3900
DOI:10.1002/masy.201500065