Mechanical properties of organomodified kaolin/natural rubber vulcanizates
Source abstract
Abstract
Abstract Kaolin modified with sodium salt of rubber seed oil (RSO-Na) was compounded with natural rubber (NR) by melt intercalation. The effect of modified kaolin loading on the physicomechanical properties of the vulcanizates was examined by varying its incorporation (2–10 phr). The RSO-Na modified kaolin was characterized using infrared spectroscopy (FTIR) and X-ray diffraction (XRD). XRD of the unmodified and modified kaolin revealed an increased d-spacing of kaolinite to 14 Ǻ. FTIR spectroscopy also indicated the intercalation of RSO-Na onto the kaolinite surface. The tensile and tear properties increased with increasing filler loading even though an optimum of tensile strength was achieved at 8 phr of modified kaolin. The swelling index was reduced by filling with modified kaolin. The storage modulus value for the modified samples was higher than the NR vulcanizates with unmodified kaolin. Furthermore, the chemical crosslink density (CLD) of 0.651 at 8 phr modified kaolin indicated better reinforcement of the rubber-filler matrix. The morphological studies by SEM revealed that incorporation of modified kaolin up to 8 phr resulted in the improvement of failure properties of the resulting NR vulcanizates.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Polymer Nanocomposites and Properties · Polymer composites and self-healing · Polymer crystallization and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (28)
Show source-provided references
1. Synthesis and evaluation of high performance ethylene–propylene–diene terpolymer/organoclay nanocomposite10.1002/app.20774 ↗
2. Preparation and characterization of organoclay-rubber nanocomposites via a new route with skimmed natural rubber latex10.1002/app.24738 ↗
3. Preparation and properties of ethylene vinyl acetate (EVA)/organoclay/compatibilizer nanocomposites: effects of organoclay loading and methyl ethyl ketone10.1080/03602550600948889 ↗
4. Organomodified montmorillonoite as filler in natural and synthetic rubber10.1002/app.20401 ↗
5. Polymerization of adsorbed monolayers: 11. Thermal degradation of the inserted polymers.
6. Nanostructure and properties of polysiloxane-layered silicate nanocomposites10.1002/(SICI)1099-0488(20000615)38:12<1595::AID-POLB40>3.0.CO;2-U ↗
7. In situ synthesis of polymer-clay nanocomposite from silica gel10.1021/cm970814n ↗
8. Preparation and properties of EPDM/organomontmorillonite hybrid nanocomposites10.1002/pi.831 ↗
9. Surface modification of clays and clay-rubber composites10.1016/S0169-1317(99)00020-4 ↗
10. Frost, R.L., Kristof, J., Harvath, E., Kloprogge, J.T., 1999. Modification of kaolinite surfaces with cesium acetate at 25, 120, and 220°C. Langmuir 15 (26), 8787–8794.10.1021/la981755a ↗
11. Characterization of ethylene propylene diene monomer rubber/organoclay nanocomposites resulting from different processing conditions and formulations10.1002/pi.1556 ↗
12. Polymer layered silicate nanocomposites10.1002/adma.19960080104 ↗
13. Preparation and mechanical properties of polypropylene-clay hybrids based on modified polypropylene and organophilic clay10.1002/1097-4628(20001209)78:11<1918::AID-APP100>3.0.CO;2-H ↗
14. Influence of hydrazine on the vibrational mode of kaolinite10.1346/CCMN.1990.0380202 ↗
15. Lagaron, J.M., Cava, D., Cabedo, L., Gavara, R., Ramirez, E., 2005. Improving packaged food quality and safety. Part 2: Nanocomposites. Food Additt. Contamin. Part A. Chem. Anal. Cont. Exp. Risk Assess. 22, 994–998.10.1080/02652030500239656 ↗
16. Study of self cross linking acrylate latex containing fluorine
17. Characterization of high performance exfoliated natural rubber/organoclay nanocomposites10.1002/app.28480 ↗
18. Intercalated clay catalysts10.1126/science.220.4595.365 ↗
19. Mechanism of clay tactoid exfoliation in epoxy-clay nanocomposites
20. Thermoelasticity and stress relaxation behavior of polychloroprene/organoclay nanocomposites10.1016/j.eurpolymj.2005.06.011 ↗
21. Organomodified kaolin as filler for natural rubber10.1002/app.27469 ↗
22. Shear controlled morphology of rubber/organoclay nanocomposites and dynamic mechanical analysis10.1002/masy.200290000 ↗
23. Barrier properties of chlorobutyl nanoclay composites10.1002/app.22722 ↗
24. On the potential of organoclay with respect to conventional fillers (carbon black, silica) for epoxidized natural rubber vulcanizates10.1002/app.21188 ↗
25. Physical properties of natural rubber/organoclay nanocomposite compatibilized with epoxidized natural rubber10.1002/app.23452 ↗
26. Theng · 1979
27. Dynamic mechanical and rheological behavior of fluoroelastomer-organoclay nanocomposites obtained from different preparation methods10.1002/app.24798 ↗
28. Melt-compounded natural rubber nanocomposites with pristine and organophilic layered silicates of natural and synthetic origin10.1016/S0032-3861(03)00480-4 ↗