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Polymer Bulletin
Erschienen in: Polymer Bulletin 3/2013

01.03.2013 | Original Paper

The β-nucleating effect of wollastonite-filled isotactic polypropylene composites

verfasst von: Qian Ding, Zishou Zhang, Chunguang Wang, Juan Jiang, Gu Li, Kancheng Mai

Erschienen in: Polymer Bulletin | Ausgabe 3/2013

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Abstract

Wollastonite (W) with β-nucleating effect (β-W100) for iPP crystallization was obtained through reaction between Ca2+ in wollastonite and pimelic acid (PA) and the β-iPP composites filled by different content of β-W100 were prepared. The effect of PA and wollastonite contents on β-nucleation, crystallization and melting behavior, and crystalline morphology of W and β-W100-filled iPP composites was investigated by differential scanning calorimetry (DSC), wide-angle X-ray diffraction, and polarizing optical microscopy. The results indicated that incorporation of W and β-W100 increase the crystallization peak temperature of iPP due to its heterogeneous nucleating ability. And iPP/W composites predominantly crystallize in the α-phase iPP and iPP/β-W100 composites in the β-phase iPP. The results of DSC multi-scanning in same and different melting temperatures showed that β-W100 not only has strong heterogeneous β-nucleating effect but also DSC multi-scanning in same and different melting temperatures has no influence on the heterogeneous β-nucleating effect of β-W100. The β-iPP containing high wollastonite content with high β-phase content can be easily prepared.
Vorheriger Artikel Removal of methyl orange from aqueous solutions with poly(acrylic acid-co-acrylamide) superabsorbent resin
Nächster Artikel Oxygen permeation properties of HDPE-layered silicate nanocomposites

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Metadaten
Titel
The β-nucleating effect of wollastonite-filled isotactic polypropylene composites
verfasst von
Qian Ding
Zishou Zhang
Chunguang Wang
Juan Jiang
Gu Li
Kancheng Mai
Publikationsdatum
01.03.2013
Verlag
Springer-Verlag
Erschienen in
Polymer Bulletin / Ausgabe 3/2013
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-012-0896-6

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