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Sokolova MP, Smirnov MA, Bugrov AN, et al. Structure of Composite Based on Polyheteroarylene Matrix and ZrO₂ Nanostars Investigated by Quantitative Nanomechanical Mapping. Polymers (Basel). 2017;9(7)doi: 10.3390/polym9070268.
Sokolova, M. P., Smirnov, M. A., Bugrov, A. N., Geydt, P., Popova, E. N., Lahderanta, E., Svetlichnyi, V. M., & Toikka, A. M. (2017). Structure of Composite Based on Polyheteroarylene Matrix and ZrO₂ Nanostars Investigated by Quantitative Nanomechanical Mapping. Polymers, 9(7), . https://doi.org/10.3390/polym9070268
Sokolova, Maria P, et al. "Structure of Composite Based on Polyheteroarylene Matrix and ZrO₂ Nanostars Investigated by Quantitative Nanomechanical Mapping." Polymers vol. 9,7 (2017). doi: https://doi.org/10.3390/polym9070268
Sokolova MP, Smirnov MA, Bugrov AN, Geydt P, Popova EN, Lahderanta E, Svetlichnyi VM, Toikka AM. Structure of Composite Based on Polyheteroarylene Matrix and ZrO₂ Nanostars Investigated by Quantitative Nanomechanical Mapping. Polymers (Basel). 2017 Jul 06;9(7). doi: 10.3390/polym9070268. PMID: 30970946; PMCID: PMC6431885.
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Polymers (Basel). 2017 Jul 06;9(7). doi: 10.3390/polym9070268.

Structure of Composite Based on Polyheteroarylene Matrix and ZrO₂ Nanostars Investigated by Quantitative Nanomechanical Mapping.

Polymers

Maria P Sokolova, Michael A Smirnov, Alexander N Bugrov, Pavel Geydt, Elena N Popova, Erkki Lahderanta, Valentin M Svetlichnyi, Alexander M Toikka

Affiliations

  1. Department of Chemical Thermodynamics & Kinetics, Saint Petersburg State University, Universitetsky pr. 26, Peterhof, Saint Petersburg 198504, Russia. [email protected].
  2. Laboratory of Physics, Lappeenranta University of Technology, Skinnarilankatu 34, 53850 Lappeenranta, Finland. [email protected].
  3. Department of Chemical Thermodynamics & Kinetics, Saint Petersburg State University, Universitetsky pr. 26, Peterhof, Saint Petersburg 198504, Russia. [email protected].
  4. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, Saint Petersburg 199004, Russia. [email protected].
  5. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, Saint Petersburg 199004, Russia. [email protected].
  6. Department of Physical Chemistry, Saint Petersburg Electrotechnical University "LETI", ul. Professora Popova 5, St. Petersburg 197376, Russian. [email protected].
  7. Laboratory of Physics, Lappeenranta University of Technology, Skinnarilankatu 34, 53850 Lappeenranta, Finland. [email protected].
  8. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, Saint Petersburg 199004, Russia. [email protected].
  9. Laboratory of Physics, Lappeenranta University of Technology, Skinnarilankatu 34, 53850 Lappeenranta, Finland. [email protected].
  10. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, Saint Petersburg 199004, Russia. [email protected].
  11. Department of Chemical Thermodynamics & Kinetics, Saint Petersburg State University, Universitetsky pr. 26, Peterhof, Saint Petersburg 198504, Russia. [email protected].

PMID: 30970946 PMCID: PMC6431885 DOI: 10.3390/polym9070268

Abstract

It is known that structure of the interface between inorganic nanoparticles and polymers significantly influences properties of a polymer⁻inorganic composite. At the same time, amount of experimental researches on the structure and properties of material near the inorganic-polymer interface is low. In this work, we report for the first time the investigation of nanomechanical properties and maps of adhesion of material near the inorganic-polymer interface for the polyheteroarylene nanocomposites based on semi-crystalline poly[4,4'-bis (4″-aminophenoxy)diphenyl]imide 1,3-bis (3',4-dicarboxyphenoxy) benzene, modified by ZrO₂ nanostars. Experiments were conducted using quantitative nanomechanical mapping (QNM) mode of atomic force microscopy (AFM) at the surface areas where holes were formed after falling out of inorganic particles. It was found that adhesion of AFM cantilever to the polymer surface is higher inside the hole than outside. This can be attributed to the presence of polar groups near ZrO₂ nanoparticle. QNM measurements revealed that polymer matrix has increased rigidity in the vicinity of the nanoparticles. Influence of ZrO₂ nanoparticles on the structure and thermal properties of semi-crystalline polyheteroarylene matrix was studied with wide-angle X-ray scattering, scanning electron microscopy, and differential scanning calorimetry.

Keywords: nanocomposite; polyheteroarylene; polymer structure; quantitative nanomechanical mapping; zirconia

Conflict of interest statement

The authors declare no conflict of interest.

References

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