Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Improvement of the Filler Dispersion in Silica-Filled SBR Compounds Using Low Molecular Weight Polybutadiene Treated with Maleic Anhydride

Maleic Anhydride로 처리된 저분자량 폴리부타디엔을 이용한 실리카로 보강된 SBR 배합물에서 충전제 분산성 항상

  • Published : 2006.03.30
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Abstract

Influence of low molecular weight polybutadiene (liquid PB) treated with maleic anhydride on properties of a silica-filled SBR compounds was studied. Silica dispersion was improved by adding liquid PB. The liquid PB treated with maleic anhydride (liquid MAPB) was found to be more effective for the improvement of silica dispersion than the liquid PB without maleic anhydride (liquid NPB). Viscosity of the SBR compound decreased by adding the liquid PB. The crosslink density decreased with increase of the liquid PB content and the cure rate became slower with increasing the liquid PB content. Considering the experimental results, it was believed that addition of small amount of the liquid PB (less than 5 phr) was desirable to improve properties of silica-filled SBR compounds.

Maleic anhydride로 처리된 저분자량 폴리부타디엔 (액상 PB)이 실리카로 보강된 SBR 배합물의 특성에 미치는 영향을 연구하였다. 실리카 분산은 액상 PB의 첨가에 의해 향상되었다. Maleic anhydride가 포함된 액상 PB가 maleic anhydride가 포함되지 않은 액상 PB보다 실리카 분산성 향상에 더 효과적임을 알 수 있었다. SBR 배합물의 점도는 액상 PB가 첨가됨에 따라 감소하였다. 가교밀도는 액상 PB의 함량이 증가함에 따라 감소하였고 가황 속도는 느려졌다. 실험 결과를 고려하면, 5 phr 이하의 소량으로 액상 PB를 첨가함으로써 실리카로 보강된 SBR 배합물의 특성을 향상시킬 수 있을 것으로 사료된다.

Keywords

References

  1. Y.-C. Ou, Z.-Z. Yu, A. Vida, and J. B. Donnet, 'Effects of alkylation of silica filler on rubber reinforcement', Rubber Chem. Technol., 67, 834 (1994) https://doi.org/10.5254/1.3538714
  2. Y. Li, M. J. Wang, T. Zhang, F. Zhang, and X. Fu., 'Study on dispersion morphology of silica in rubber', Rubber Chem. Technol., 67, 693 (1994) https://doi.org/10.5254/1.3538704
  3. S. Wolff and M.-J. Wang, 'Filler-elastomer interactions. Part IV. The effect of the surface energies of fillers on elastomer reinforcement', Rubber Chem. Technol., 65, 329 (1992) https://doi.org/10.5254/1.3538615
  4. Ph. Cochet, P. Barruel, L. Barriquand, J. Grobert, Y. Bomal, and E. Prat, 'Dispersibility measurement of precipitated silicas - Influence of dispersion on mechanical properties', in Proceedings of the Rubber Division 144th Meeting, American Chemical Society, Paper No. 162 (1993)
  5. D. Jividen and H. Kaufman, 'A dispersion aid for silica filler in rubber compounds compounds', Rubber World, 222(1), 24 (2000)
  6. H.-D. Luginsland, 'Reactivity of the sulfur chains of the tetrasulfane silane Si69 and the disulfide silane TESPD', Kautsch. Gummi Kunstst., 53, 10 (2000)
  7. E. Sheng, I. Sutherland, R. H. Bradley, and P. K. Freakley, 'Effects of a multifunctional additive on bound rubber in carbon black and silica filled natural rubbers', Eur. Polym. J., 32, 35 (1996) https://doi.org/10.1016/0014-3057(95)00107-7
  8. H. Ismail and H. H. Chia, 'The effects of multifunctional additive and vulcanization systems on silica filled epoxidized natural rubber compounds', Eur. Polym. J., 34, 1857 (1998) https://doi.org/10.1016/S0014-3057(98)00029-9
  9. U. Gorl and A. Hunsche, 'Advanced investigations into the silica/silane reaction system', in Proceedings of the Rubber Division 150th Meeting, American Chemical Society, Paper No. 76 (1996)
  10. U. Gorl and A. Hunsche, 'Investigation into the chemistry of the TESPT sulfur chain', in Proceedings of the Rubber Division 151st Meeting, American Chemical Society, Paper No. 38 (1997)
  11. A. S. Hashim, B. Azahari, Y. Ikeda, and S. Kohiiya, 'The effect of TESPT on silica reinforcement of styrene-butadiene rubber', Rubber Chem. Technol., 71, 289 (1998) https://doi.org/10.5254/1.3538485
  12. S.-S. Choi, 'Improvement of properties of silica-filled styrene-butadiene rubber compounds using acrylonitrile-butadiene rubber', J. Appl. Polym. Sci., 79, 1127 (2001) https://doi.org/10.1002/1097-4628(20010207)79:6<1127::AID-APP170>3.0.CO;2-8
  13. S.-S. Choi, 'Properties of silica-filled styrenebutadiene rubber compounds containing acrylonitrilebutadiene rubber: Influence of the acrylonitrile-butadiene rubber type', J. Appl. Polym. Sci., 85, 385 (2002) https://doi.org/10.1002/app.10614
  14. S.-S. Choi, 'Influence of molecular size of liquid BR on properties of silica-filled SBR compounds', Elastomer, 36, 162 (2001)
  15. S.-S. Choi, 'Influence of liquid polybutadiene on properties of silica-filled styrene-butadiene rubber compounds', J. Ind. Eng. Chem., 7, 389 (2001)
  16. S.-S. Choi, 'Filler-polymer interactions in both silica and carbon black-filled styrene-butadiene rubber compounds', J. Polym. Sci.: Part B: Polym. Phys., 39, 439 (2001) https://doi.org/10.1002/1099-0488(20010215)39:4<439::AID-POLB1016>3.0.CO;2-3
  17. S.-S. Choi, 'Filler-polymer interactions in filled styrene-butadiene rubber compounds', Kor. Polym. J., 9, 45 (2001)
  18. S.-S. Choi, 'Characterization of bound rubber of filled styrene-butadiene rubber compounds using pyrolysis-gas chromatography', J. Anal. Appl. Pyrolysis, 55, 161 (2000) https://doi.org/10.1016/S0165-2370(99)00095-9
  19. E. Carone, Jr., U. Kopcak, M. C. Goncalves, and S. P. Nunes, 'In situ compatibilization of polyamide 6/natural rubber blends with maleic anhydride', Polymer, 41, 5929 (2000) https://doi.org/10.1016/S0032-3861(99)00800-9
  20. A. K. Naskar, S. K. De, and A. K. Bhowmick, 'Thermoplastic elastomeric composition based on maleic anhydride-grafted ground rubber tire', J. Appl. Polym. Sci., 84, 370 (2002) https://doi.org/10.1002/app.10348
  21. R. W. Layer, 'Recuring vulcanizates. I. A novel way to study the mechanism of vulcanization', Rubber Chem. Technol., 65, 211 (1992) https://doi.org/10.5254/1.3538601
  22. M. R. Krejsa and J. L. Koenig, 'Review of sulfur cross linking fundamentals for accelerated and unaccelerated vulcanization', Rubber Chem. Technol., 66, 376 (1993) https://doi.org/10.5254/1.3538317
  23. N. J. Morrison and M. Porter, 'Temperature effects on the stability of intermediates and crosslinks in sulfur vulcanization', Rubber Chem. Technol., 57, 63 (1984) https://doi.org/10.5254/1.3536002