폴리(아크릴산 포타슘-co-아크릴아마이드) 고흡수성 입자의 제조 및 팽윤 특성

손오건; 심상준; 이동현; 이영관; 김지홍; 김덕준; Ohgon Sohn; Sang Jun Sim; Dong Hyun Lee; Young Kwan Lee; Ji-Heung Kim; Dukjoon Kim

Polymer(Korea), Vol.28, No.1, 18-23, January, 2004

Export Citation

폴리(아크릴산 포타슘-co-아크릴아마이드) 고흡수성 입자의 제조 및 팽윤 특성

Preparation and Swelling Properties of Poly(potassium acrylate-co-acrylamide) Superabsorbent Particles

손오건, 심상준 , 이동현 , 이영관 , 김지홍 , 김덕준 ^†

성균관대학교 화학공학과, 고분자 기술연구소

Ohgon Sohn, Sang Jun Sim , Dong Hyun Lee , Young Kwan Lee , Ji-Heung Kim , and Dukjoon Kim^†

Department of Chemical Engineering, Sungkyunkwan University, 300 Chunchun-dong, Jangan-gu, Suwon, Kyunggi 440-746, Korea

E-mail:

초록

역상 현탁중합법을 이용하여 폴리(아크릴산 포타슘-co-아크릴아마이드) 고흡수성 수지를 입자형태로 제조하였다. 제조된 고분자의 평균 입자 지름은 50 ~ 300 μm 범위 내에서 계면활성제의 양이 증가함에 따라 감소하였다. 중량측정법을 이용하여 흡수 및 증발 과정에서의 동적, 평형 팽윤 특성을 살펴보았다. 수용액 내에서의 흡수에 따른 입자의 팽윤도는 가교밀도뿐만 아니라 입자의 크기, 외부수용액의 염 농도, 공중합체 조성 등에 크게 영향을 받는 것으로 나타났다. 입자 크기, 첨가된 가교제의 농도, 그리고 외 부의 이온농도가 감소함에 따라 흡수되는 물의 양이 증가하였다. 수분증발거동은 흡수거동과는 달리 입자의 크기나 공중합체의 조성, 가교제 양 등에 많은 영향을 받지 않았다.

Superabsorbent poly(potassium acrylate-co-acrylamide)s were synthesized in particle form using inverse suspension polymerization technique. Mean diameter of the prepared polymer particles decreased from 300 to 500 μm with increasing surfactant concentration. The dynamic and equilibrium swelling behaviors during water absorption and drying process were investigated by weight measurement. The swelling ratio of polymer particles in water changed according to not only polymer crosslinking density, but particle size, saline concentration of aqueous medium, and copolymer compositions. Water sorption amount was increased with decreasing particle size, crosslinking agent concentration, and ion concentration in bulk solution. Being different from the water sorption process, the drying process was not significantly affected by particle size, polymer composition, or crosslinking amount.

Keywords:superabsorbent polymers;particle;swelling;drying;crosslinking

[References]

Hron P, Vymazalova Z, Lopour P, Angew. Makromol. Chem., 245, 203 (1997)
Shioyama T, Japanese Patent, 05, 320426 (1993)
Kondo T, Watanabe Y, Japanese Patent, 06, 57, 237 (1994)
Kosuge H, Hashimoto H, Ezaki A, Japanese Patent, 07, 41,606 (1995)
Harland RS, Prrudhomme RK, Polyelectrolyte Gels, American Chemical Society, Washington D.C. (1992)
Park SJ, Kim SH, Lee JR, Lee HB, Hong SK, Polym.(Korea), 26(3), 326 (2002)
Kim IH, Seo JB, Kim YJ, Polym.(Korea), 26(3), 400 (2002)
Shimomura T, Namba T, Superabsorbent Polymers: Science and Technology, ACS Symposium Series # 573, F.L. Buchholz and N.A. Peppas, Editors, The American Chemical Society, Washington D.C., p. 112 (1994)
Wang GJ, Li M, Chen XF, J. Appl. Polym. Sci., 68(8), 1219 (1998)
Benda D, J. Disper. Sci. Tech., 18, 115 (1996)
Omidian H, Hashemi SA, Sammes PG, Meldrum I, Polymer, 39(26), 6697 (1998)
Flory PJ, Principles of Polymer Chemistry, Chapter XIII, Cornell University Press, London (1971)
Pyun DK, Lim YH, An JH, Kim D, Lee DS, Polym.(Korea), 20(2), 335 (1996)
Kong BS, Kim D, Polym.(Korea), 20(1), 79 (1996)

[Referenced By]

[Related Articles]

[1] Hron P, Vymazalova Z, Lopour P, Angew. Makromol. Chem., 245, 203 (1997)

[2] Shioyama T, Japanese Patent, 05, 320426 (1993)

[3] Kondo T, Watanabe Y, Japanese Patent, 06, 57, 237 (1994)

[4] Kosuge H, Hashimoto H, Ezaki A, Japanese Patent, 07, 41,606 (1995)

[5] Harland RS, Prrudhomme RK, Polyelectrolyte Gels, American Chemical Society, Washington D.C. (1992)

[6] Park SJ, Kim SH, Lee JR, Lee HB, Hong SK, Polym.(Korea), 26(3), 326 (2002)

[7] Kim IH, Seo JB, Kim YJ, Polym.(Korea), 26(3), 400 (2002)

[8] Shimomura T, Namba T, Superabsorbent Polymers: Science and Technology, ACS Symposium Series # 573, F.L. Buchholz and N.A. Peppas, Editors, The American Chemical Society, Washington D.C., p. 112 (1994)

[9] Wang GJ, Li M, Chen XF, J. Appl. Polym. Sci., 68(8), 1219 (1998)

[10] Benda D, J. Disper. Sci. Tech., 18, 115 (1996)

[11] Omidian H, Hashemi SA, Sammes PG, Meldrum I, Polymer, 39(26), 6697 (1998)

[12] Flory PJ, Principles of Polymer Chemistry, Chapter XIII, Cornell University Press, London (1971)

[13] Pyun DK, Lim YH, An JH, Kim D, Lee DS, Polym.(Korea), 20(2), 335 (1996)

[14] Kong BS, Kim D, Polym.(Korea), 20(1), 79 (1996)