Publikation:

Exerting Additive-Assisted Morphological Control during Hydrothermal Polymerization

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2018

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Taublaender, M. Josef
Reiter, Manuel

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-kme6wvekk1097
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https://doi.org/10.1002/macp.201700397
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CC BY 4.0

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Chemie: Publikationen
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Macromolecular Chemistry and Physics. Wiley-Blackwell. 2018, 219(3), 1700397. ISSN 1022-1352. eISSN 1022-1352. Available under: doi: 10.1002/macp.201700397

Zusammenfassung

Hydrothermal polymerization (HTP) is a benign and inherently green synthetic approach to synthesize highly crystalline polyimides (PIs) in nothing but high-temperature water (HTW). In a typical HTP experiment, highly crystalline PI microparticles of sheet-like as well as flower-like morphology are obtained. Within this contribution, the effect of four additives (PEG400, PEG8000, P123, CTAB) on the crystallinity and morphology of the PI poly(p-phenylene pyromellitimide) is investigated. From the experiments performed, it becomes evident that the type as well as the concentration of additive heavily influences morphology. However, even the highest tested concentration of additive (67 g L−1 of PEG8000) does not lead to a change in average crystallinity, as determined from powder X-ray diffraction. Hence, this approach provides a straightforward method to intentionally tune PI particle morphology without losing the outstanding materials properties generated by the high crystallinity obtained via HTP. Additionally, a hypothesis regarding the poly(ethylene glycol)-induced morphology alteration is presented.

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540 Chemie

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ISO 690TAUBLAENDER, M. Josef, Manuel REITER, Miriam M. UNTERLASS, 2018. Exerting Additive-Assisted Morphological Control during Hydrothermal Polymerization. In: Macromolecular Chemistry and Physics. Wiley-Blackwell. 2018, 219(3), 1700397. ISSN 1022-1352. eISSN 1022-1352. Available under: doi: 10.1002/macp.201700397
BibTex
@article{Taublaender2018-02Exert-54855,
  year={2018},
  doi={10.1002/macp.201700397},
  title={Exerting Additive-Assisted Morphological Control during Hydrothermal Polymerization},
  number={3},
  volume={219},
  issn={1022-1352},
  journal={Macromolecular Chemistry and Physics},
  author={Taublaender, M. Josef and Reiter, Manuel and Unterlass, Miriam M.},
  note={Article Number: 1700397}
}
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