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논문 상세정보

산기관용 멤브레인 고무판의 환경내구성 향상을 위한 EPDM 고무의 개질

Modification of EPDM Rubbers for Enhancement of Environmental Durability of Aerator Membrane

Abstract

A study on the enhancement of environmental durability of EPDM rubber materials for the aerator membrane was performed using a butyl rubber as a modifier. A conventional EPDM rubber formulation was evaluated as having about 26.0 wt% or more oil content from the chloroform immersion test. These oils would be gradually and continuously deleted from the aerator membrane when directly exposed to a waste-water or chemically corrosive fluids, making the membrane less flexible and the performance worse. To improve this, a butyl rubber (IIR) was utilized as the modifier for a low-ENB type of EPDM rubber formulation with low-oil content. The environmental durability of the IIR-modified EPDM rubber material was expected to be greatly enhanced compared to the conventional one. However, the mechanical and performance properties such as elongation, tensile strength, and air bubble size, etc. were still maintained as good as in the conventional one. Furthermore, TGA analysis of the IIR-modified EPDM material showed that there would be partially compatible between IIR and EPDM. It also showed that the initial degradation temperature of the IIR-modified EPDM could be somewhat increased, exhibiting the enhanced compatibility among the components and, thereby, more enhanced environmental durability.

저자의 다른 논문

참고문헌 (12)

  1. Eckenfelder W. W., Ford D. L., 1968, Concepts in Oxygen Transfer and Aeration, Advances in Water Quality Improvement, Univ. of Texas Press, Austin, Texas 
  2. Mark H. F., 2003, Encyclopedia of Polymer Science and Technology, vol. 5, John Wiley & Sons, Inc., 356- 381 
  3. Easterbrook E. K., Allen R. D., 1987, Ethylene-Propylene Rubber in Rubber Technology, ed. by M. Morton, van Nostrand Reinhold Co. Inc., New York, 260-283 
  4. Barnard J. L., Meiring P. G. Jr., 1988, Dissolved Oxygen Control in the Activated Sludge Process, Water Science Technology, 20, 100-108 
  5. http//www.kumhopolychem. co. kr. 
  6. Maure J. Jr., 1983, Elastomers in Thermal Characterization of Polymeric Materials, ed. by Turi E. A., Academic Press, New York, 572-708 
  7. Davis S. C., Von Hellens W., Zahalka H. A., Richter K-P., 1996, Ethylene-Propylene Elastomers in Polymeric Materials Encyclopedia, ed. by Salamone J. C., CRC Press, vol. 3, New York, 2264-2278 
  8. 제갈영순, 1999, EPDM 고무 및 그 응용, 고분자과학과 기술, 10(3), 325-334 
  9. Easterbrook E. K., 1971, A Discussion of Some Polymerization Parameters in the Synthesis of EPDM Elastomers, XXII IUPAC Macromolecular Reprint, vol. 2, 712-714 
  10. 안원술, 2007, Thermal Charaterization of an EPDM/ IIR Rubber Blend using TG/DTG Anylsis, Elastomer (Korea), 42(1), 55-58 
  11. http//www.hktech-kr.com 
  12. Eckenfelder W. W., Barnhart E. L., 1963, Designing for Oxygen Transfer, Wastes Engineering, 34, 80-86 

이 논문을 인용한 문헌 (1)

  1. Jang, Doo-Hee ; Kim, Ji-Hoon ; Kim, Young-Ju 2010. "A Study on Recycling of EPDM Reclaimed Rubber" 한국환경과학회지 = Journal of the environmental sciences, 19(3): 365~370 

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