• Dispersion Polymerization of Acrylamide in the Media of t-butyl Alcohol/H2O Mixtures
  • Lee KC, Lee SE, Song BK, Lee DJ
  • t-Butyl Alcohol/H2O 혼합 용매에서 아크릴아미드의 분산 중합
  • 이기창, 이성은, 송봉근, 이동주
Abstract
Dispersion polymerization of acrylamide in the media of t-butyl alcohol/H2O mixtures at 30∼50℃ in the presence of hydroxypropyl cellulose and ammonium persulfate as steric stabilizer and initiator, respectively, was carried out. It was studied the effects of concentrations of initiator and steric stabilizer, amount of monomer, polymerization temperature, t-butyl alcohol/H2O ratio, concentration of crosslinker, purification of monomer and nitrogen purge on the particle size of the resulting acrylamide latices and molecular weight of the latex-poly(acrylamide). In this study, poly(acrylamide) latices of 0.1∼0.5㎛ with 470000∼2080000 in Mv were prepared and the resulting PAM latics were all dissolved in water instantly.

Hydroxypropyl cellulose와 ammonium persulfate를 각각 입자안정제와 개시제로 사용하여 t-butyl alcohol/H2O 혼합 분산매에서 아크릴아미드의 분산중합을 다양한 중합 조건하에서 수행하여 생성되는 poly(acrylamide)(PAM)라텍스의 평균입자경, 라텍스 고분자의점도 평균분자량, 수용화 정도 등을 관찰하였다. 일반적으로 PAM 라텍스의 평균입자경은 개시제의 농도, 분산매 중 물의 농도, 중합 온도가 증가함에 따라, 또는 단량체의 농도, 입자안정제의 농도가 감소함에 따라 증가하였다. 라텍스상태로 얻어진 PAM 고분자의 점도평균분자량은 단량체의 농도, 입자 안정제의 shde, 분산매 중 물의 농도가 증가함에 따라, 또는 개시제의 농도, 중합 온도가 감소함에 따라 증가하였다. 본 연구에서 얻어진 PAM 라텍스는 0.1∼0.5㎛의 평균입자경과 470000∼2080000의 점도평균분자량을 나타내었으며 이들은 물에서 순간적으로 수용화되었다.

Keywords: acrylamide; dispersion polymerization; average particle diameter; viscosity-average molecular weight; water content in dispersion medium

References
  • 1. Dautzenberg H, Jaeger W, Kotz J, Philipp B, Seidel C, Stscherbina DPolyelectrolytes, p. 272, Hanser, New York, 1994 (1994)
  •  
  • 2. Boussouira B, Ricard A, J. Macromol. Sci.-Chem., A24(2), 137 (1987)
  •  
  • 3. Matsumoto A, Wakabayashi S, Oiwa M, J. Macromol. Sci.-Chem., A26(11), 1475 (1989)
  •  
  • 4. Corpart J, Selb J, Candau F, Polymer, 34(8), 3873 (1993)
  •  
  • 5. Stephen M, Keiji D, Joseph REuropean Patent, 0669438A1 (1995)
  •  
  • 6. Shin J, Han S, Sohn C, Ow S, Mah S, TAPPI J., 80(11), 179 (1997)
  •  
  • 7. Vanderhoff JW, Wiley RMU.S. Patent, 3,284,393 (1966)
  •  
  • 8. Schmitt JMU.S. Patent, 4,022,731 (1977)
  •  
  • 9. Dimonie MV, Boghina CM, Marinescu NN, Marinescu MM, Cincu CI, Oprescu CG, Eur. Polym. J., 18, 639 (1982)
  •  
  • 10. Hunkeler D, Hamielec AE, Baade W, Polymer, 30, 127 (1989)
  •  
  • 11. Candau F, Zekhnini Z, Heatley F, Franta E, Colloid Polym. Sci., 264, 676 (1986)
  •  
  • 12. Dimonie M, Marinescu N, Vasilescu DS, J. Macromol. Sci.-Pure Appl. Chem., A29(3), 277 (1992)
  •  
  • 13. Lovell PA, El-Aasser MSEmulsion Polymerization and Emulsion Polymers, p. 724, John Wiley and Sons, New York, 1997 (1997)
  •  
  • 14. Almog Y, Reich S, Levy M, Br. Polym. J., 14, 1331 (1982)
  •  
  • 15. Tseng CM, Lu YY, El-Aasser MS, Vanderhoff JW, J. Polym. Sci. A: Polym. Chem., 24, 2995 (1986)
  •  
  • 16. Paine AJ, J. Polym. Sci. A: Polym. Chem., 28, 2485 (1990)
  •  
  • 17. Shen S, Sudol ED, El-Aasser MS, J. Polym. Sci. A: Polym. Chem., 31, 1393 (1993)
  •  
  • 18. Hu R, Dimonie VL, Sudol ED, Elaasser MS, J. Appl. Polym. Sci., 55(10), 1411 (1995)
  •  
  • 19. Tuncel A, Kahraman R, Piskin E, J. Appl. Polym. Sci., 50, 303 (1993)
  •  
  • 20. Saenz JM, Asua JM, J. Polym. Sci. A: Polym. Chem., 33(9), 1511 (1995)
  •  
  • 21. Saenz JM, Asua JM, Macromolecules, 31(16), 5215 (1998)
  •  
  • 22. Ober CK, Lok KP, Macromolecules, 20, 268 (1987)
  •  
  • 23. Awan MA, Dimonie VL, Elaasser MS, J. Polym. Sci. A: Polym. Chem., 34(13), 2633 (1996)
  •  
  • 24. Ray B, Mandal BM, J. Polym. Sci. A: Polym. Chem., 37(4), 493 (1999)
  •  
  • 25. Odian GPrinciples of Polymerization, p. 335, John Wiley and Sons, New York, 1991 (1991)
  •  
  • 26. Croucher MD, Winnik MAAn Introduction to Polymer Colloids,, F. Candau and R.H. Ottewill, Eds., p. 35, Kluwer Academic Publishers, Netherland, 1990 (1990)
  •  
  • 27. Lu YY, El-Aasser MS, Vanderhoff JW, J. Polym. Sci. B: Polym. Phys., 26, 1187 (1988)
  •  
  • 28. Ray B, Mandal BM, Langmuir, 13(8), 2191 (1997)
  •  
  • 29. Barton AFMCRC Handbook of Solubility Parameters and Other Cohesion Parameters, p. 288, CRC Press, Florida, 1983 (1983)
  •  
  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2024 Impact Factor : 0.6
  • Indexed in SCIE

This Article

  • 2000; 24(5): 629-637

    Published online Sep 25, 2000