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Supramolecular Silicone Elastomers with Healable and Hydrophobic Properties Crosslinked by “Salt-Forming Vulcanization”

In this article, supramolecular silicone elastomers with self-healing function were first prepared by simple and controllable “salt-forming vulcanization” of polyaminopropylmethylsiloxane with acids. Their structures and micrographs were verified by Fourier transform infrared spectra, Small-angle X-... Full description

Contained in: Journal of Polymer Science, Part A: Polymer Chemistry Vol. 55, No. 5 (2017), p. 903-911
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Links: Additional Link (dx.doi.org)
Additional Keywords: ANORGANISCHE-SAEUREN
ELASTOMER
FOURIER-TRANSFORM-INFRAROTSPEKTROSKOPIE
HOCHTEMPERATUR
RASTERKRAFTMIKROSKOP
ROENTGENSTRAHL
SCHLIFFBILD
SILICON:POLYMER
SILICONKAUTSCHUK
THERMOGRAVIMETRISCHE-ANALYSE
VULKANISIEREN
WASSERABSTOSSENDE-EIGENSCHAFT
DOI: 10.1002/pola.28450
Notes: Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG
Copyright: (C) Alle Rechte beim Herausgeber
Physical Description: 9 Seiten, 10 Bilder, 1 Tabelle
ID (e.g. DOI, URN): 10.1002/pola.28450
PPN (Catalogue-ID): WTI003501620
Note: WTI TEMA DB
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520 |a In this article, supramolecular silicone elastomers with self-healing function were first prepared by simple and controllable “salt-forming vulcanization” of polyaminopropylmethylsiloxane with acids. Their structures and micrographs were verified by Fourier transform infrared spectra, Small-angle X-ray scattering experiments and atomic force microscope. The experimental results showed that the ion-association complexes were formed during vulcanization, and the obtained elastomers displayed self-healing and good mechanical properties even if the cross-linking agent was excessed. The thermogravimetric analysis showed that the elastomers crosslinked by inorganic acid were stable under high temperature. Unexpectedly, bionic structures were observed in the elastomers, which further changed the hydrophobicity of the surfaces of the elastomers physically. [Copyright John Wiley & Sons. Reproduced with permission.] 
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