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Authors
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Pompe, G. ; Mäder, E.
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Title
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Experimental detection of a transcrystalline interphase in glass fibre/polypropylene composites
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Date
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17.10.2000
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Number
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8902
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Abstract
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Crystallization and melting behaviour of polypropylene in glass-fibre-reinforced composites have been investigated by means of differential scanning calorimetry. Composites with differently size-coated glass fibres show different behaviour both in dynamic and isothermal crystallization. A high crystallization rate and a short induction time were observed for composites with unsized fibres at isothermal crystallization. Glass fibres sized with aminosilane and polypropylene film-former revealed a quantitatively separable two-step crystallization process. With the assignment to the transcrystallization and spherulitic crystallization the thickness of the transcrystalline PP interphase in this composite could be estimated to about 1 μm. The influence of transcrystallinity on the mechanical properties was discussed.
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Publisher
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Composite Science and Technology
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Wikidata
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Citation
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Composite Science and Technology 60 (2000) 2159-2167
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DOI
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https://doi.org/10.1016/S0266-3538(00)00120-2
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Tags
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