Crystallisation in miscible blends of PEEK and PEI

The crystallisation of PEEK from miscible blends of PEEK and PEI has been measured and the results analysed in terms of the Avrami equation and the Hoffman and Lauritzen crystallisation theory. The melting of the crystals was analysed in terms of the Hoffman and Weeks theory and it was found that th...

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Bibliographic Details
Published in:Polymer (Guilford) 2001-03, Vol.42 (5), p.1981-1986
Main Author: Jenkins, M.J
Format: Article
Language:English
Subjects:
Applied sciences
Crystallisation
Crystallization
DSC
Exact sciences and technology
Organic polymers
PEEK/PEI blends
Physicochemistry of polymers
Properties and characterization
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Summary:The crystallisation of PEEK from miscible blends of PEEK and PEI has been measured and the results analysed in terms of the Avrami equation and the Hoffman and Lauritzen crystallisation theory. The melting of the crystals was analysed in terms of the Hoffman and Weeks theory and it was found that the β values were in excess of unity. The product of the surface free energies was found and discussed in terms of the variation in blend composition.
ISSN:0032-3861
1873-2291
DOI:10.1016/S0032-3861(00)00438-9