화학공학소재연구정보센터
Applied Chemistry for Engineering, Vol.22, No.2, 144-148, April, 2011
TMTD, MBTS, CBS 촉진제의 구조가 실리카로 충전된 천연고무 복합소재의 가황 및 물성에 미치는 영향
TMTD, MBTS, and CBS Accelerator Effects on a Silica Filled Natural Rubber Compound upon Vulcanization Properties
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초록
본 연구에서는 화학적 구조가 다른 thiuram 계 촉진제인 TMTD (tetramethyl thiuram disulfide), thiazole 계 촉진제인 MBTS (2,2-dithiobis(benzothiazole)), sulfenamide 계 촉진제인 CBS (n-cyclohexyl benzothiazyl-2-sulfenamide)를 사용하여 각각의 촉진제가 실리카가 충전된 천연고무의 가황 특성에 미치는 영향을 비교 평가하였다. TMTD는 상대적으로 빠른 가류 속도와 높은 최대 토크값(Tmax), 우수한 기계적 물성을 보였고 MBTS는 상대적으로 중간 정도의 가황 시간과 낮은 Tmax, 기계적 물성을 보였다. 마지막으로 CBS는 느린 가황 시간을 나타낸 반면 상대적으로 우수한 Tmax와 기계적 물성을 나타냈다. 유사한 가황 특성 경향은 카본블랙이 충전된 천연고무 컴파운드에서도 찾아볼 수 있었다.
Various types of accelerators, thiuram (TMTD), thiazole (MBTS), and sulfenamide (CBS) are added into a silica filled natural rubber (NR) compound. Their effects on vulcanization properties are also investigated. TMTD shows a fast vulcanization rate and a higer maximum torque (Tmax), as well as excellent mechanical properties (hardness, 300% modulus, tensile strength, elongation). MBTS shows a moderate vulcanization rate, a lower Tmax, and mechanical properties. Finally, CBS shows a slow vulcanization rate but excellent mechanical properties. The same vulcanization trend can be found in carbon black filled NR compounds.
  1. U. S. Patent 3,633 (1844)
  2. Bateman L, Moore CG, Porter M, Saville B, in The Chemistry and Physics of Rubber like Substances, ed., Bateman L, Chapter 19, John Wiley and Sons, New York (1963)
  3. U. S. Patent 1,343,224 (1920)
  4. U. S. Patent 1,411,231 (1922)
  5. U. S. Patent 1,371,662 (1921)
  6. U. S. Patent 1,544,687 (1925)
  7. Bruni G, Romani E, Indian Rubber Journal., 62 (1921)
  8. U. S. Patent 1,942,790 (1934)
  9. U. S. Patent 2,100,692 (1937)
  10. Barlow FW, Rubber compounding : principles, materials, and techniques, CRC Press, New York (1993)
  11. U. S. Patent 3,546,185 (1970)
  12. EUR Patent EP0501, 227 (1991)
  13. Wagner MP, Rubber Chem. Technol., 49, 703 (1976)
  14. Wolff S, Kautsch. Gummi Kunstst., 34, 280 (1981)
  15. Wolff S, Rubber Chem. Technol., 55, 967 (1982)
  16. Plueddemann EP, Silane Coupling Agents, Plenum Press, New York (1982)
  17. Kim KJ, Vanderkooi J, Kautsch. Gummi Kunstst., 55, 518 (2002)
  18. Kim KJ, Vanderkooi J, Int. Polym. Proc., 17, 192 (2002)
  19. Kim KJ, Vanderkooi J, Compos. Interfaces, 11(7), 471 (2004)
  20. Kim KJ, Vanderkooi J, J. Korean Ind. Eng. Chem., 10, 772 (2004)
  21. Kim KJ, Vanderkooi J, Rubber Chem. Technol., 78, 84 (2005)
  22. Kim KJ, VanderKooi J, J. Appl. Polym. Sci., 95(3), 623 (2005)
  23. Coran AY, in Science and Technology of Rubber, Mark JE, Erman B, Eirich FR (Eds.), 3rd ed., Chapter 7, Academic Press, New York (2005)
  24. Gupta RK, Kennal E, Kim KJ, Polymer Nanocomposites Handbook, CRC Press, Boca Raton (2009)
  25. Kim KJ, Carbon Letters., 10, 101 (2009)
  26. Kim KJ, Carbon Letters., 10, 109 (2009)
  27. Kim KJ, White JL, J. Korean Ind. Eng. Chem., 7, 50 (2001)
  28. Kim KJ, Elastomers and Composites., 44, 134 (2009)
  29. Jeon DK, Kim KJ, Elastomers and Composites., 44, 252 (2009)
  30. Coran AY, Rubber Chem. Technol., 38 (1965)
  31. Coleman MM, Shelton JR, Koening JK, Rubber Chem. Technol., 46 (1973)
  32. Gradwell MH, Mcgill WJ, J. Appl. Polym. Sci., 51(1), 177 (1994)
  33. Gradwell MH, Mcgill WJ, J. Appl. Polym. Sci., 51(1), 169 (1994)
  34. Dogadkin BA, Selyukova V, Tarasova Z, Dobromyslova AB, Feldshtein MS, Kaplunov M, Rubber Chem. Technol., 31, 348 (1958)
  35. Dogadkin BA, Beliatskaya ON, Dobromyslova AB, Feldshtein MS, Rubber Chem. Technol., 33, 361 (1960)
  36. Gradwell MHS, Hendrikse KG, McGill WJ, J. Appl. Polym. Sci., 72(10), 1235 (1999)
  37. Coran AY, Rubber Chem. Technol., 37, 679 (1964)
  38. Gradwell MH, Mcgill WJ, J. Appl. Polym. Sci., 58(12), 2193 (1995)
  39. Gradwell MH, Mcgill WJ, J. Appl. Polym. Sci., 61(7), 1131 (1996)
  40. Gradwell MH, Mcgill WJ, J. Appl. Polym. Sci., 61(9), 1515 (1996)
  41. Kruger FWH, McGill WJ, J. Appl. Polym. Sci., 42, 2643 (1991)
  42. Kruger FWH, McGill WJ, J. Appl. Polym. Sci., 42, 2661 (1991)
  43. Kruger FWH, McGill WJ, J. Appl. Polym. Sci., 42, 2669 (1991)
  44. da Costa HM, Visconte LLY, Nunes RCR, Furtado CRG, J. Appl. Polym. Sci., 87(9), 1405 (2003)
  45. Kim KJ, Vanderkooi J, Int. Polym. Proc., 18, 156 (2003)
  46. Kim SM, Kim KJ, Accelerator effects on Silica and Carbon black filled natural rubber compound upon vulcanization properties, submitted (2011)