Swelling Behavior Evaluation of Bentonite with Additives Mixture

첨가제 혼합에 의한 벤토나이트의 팽윤거동 평가

  • Kim, Cho-Rong (Department of Textile Engineering, Inha University Graduate School) ;
  • Kim, Joo-Hee (Department of Textile Engineering, Inha University Graduate School) ;
  • Lyoo, Won-Seok (School of Textiles, Yeungnam University) ;
  • Joo, Chang-Whan (Division of Applied Bio-Chemistry, Chungnam National University) ;
  • Jeon, Han-Yong (Division of Nano-Systems Engineering, Inha University)
  • 김초롱 (인하대학교 대학원 섬유공학과) ;
  • 김주희 (인하대학교 대학원 섬유공학과) ;
  • 류원석 (영남대학교 섬유패션학부) ;
  • 주창환 (충남대학교 바이오응용화학부) ;
  • 전한용 (인하대학교 나노시스템공학부)
  • Received : 2009.10.13
  • Accepted : 2009.11.30
  • Published : 2009.12.31

Abstract

Variation of free swell index of powder and granular bentonite in distilled water were reviewed. For this, four types of additives is used such as starch (SC), sodium carboxy-methyl cellulose (SCMC), polyvinyl alcohol (PVA-Iand PVA-II), super absorbent polymer (SAP). For PVA-I and PVA-II, free swell index increased with 0.2 g addition. However, SC showed a little increase and SCMC showed higher increase. Especially for SAP addition, powder bentonite has larger free swell index to compare with granular bentonite. The sequence of contribution to free swell index of bentonite in descending order is SAP, SCMC, PVA-II, PVA-I, and SC.

Keywords

References

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