Multiscale characterization of the interfacial region in flexible rubber composites: Initial structure and evolution upon thermal treatment
| Autor: | J.P.C. Fernandes, F. Addiego, Y. Koutsawa, B. Zielinski, S.K. Enganati, G. Mertz, D. Ruch |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
Polymers and Plastics Composite number Modulus macromolecular substances 02 engineering and technology Thermal treatment 010402 general chemistry 01 natural sciences Paint adhesion testing stomatognathic system Natural rubber Phase (matter) Rubber composites Polymers and polymer manufacture Composite material Nanoscale characterization Elastic modulus Organic Chemistry technology industry and agriculture 021001 nanoscience & nanotechnology 0104 chemical sciences TP1080-1185 visual_art visual_art.visual_art_medium Interphase AFM 0210 nano-technology Resorcinol formaldehyde latex |
| Zdroj: | Polymer Testing, Vol 98, Iss, Pp 107203-(2021) |
| ISSN: | 0142-9418 |
| DOI: | 10.1016/j.polymertesting.2021.107203 |
| Popis: | To investigate the structural changes upon thermal treatment of resorcinol–formaldehyde–latex (RFL) interfacial layer in a rubber-cord flexible composite, a multiscale approach was employed. High-resolution AFM mapping showed a significant increase in the modulus of the (RF) phase from 1.2 GPa to 2.3 GPa and in the latex phase (L) from 0.3 GPa to 0.8 GPa after thermal exposure at 100 °C for 10 days. The increase of the RF and L phase elastic modulus was correlated with the increase of oxygen content in the RFL layer based on SEM-EDX measurements. Furthermore, by combining finite element simulations and AFM modulus profiling, the presence of an interphase region (over 280 nm) between the RFL and the rubber regions was identified and did not deteriorate after the thermal treatment. Peel adhesion testing revealed that the increase of RF and L phase rigidity after thermal treatment was detrimental to the interfacial adhesion of the rubber composite. |
| Databáze: | OpenAIRE |
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