아미도옥심화 셀룰로오즈의 양성자 및 금속이온과의 이온 교환 성질에 관한 연구

이수; 김성룡; 오영세; 이영관

Polymer(Korea), Vol.19, No.2, 161-169, March, 1995

Export Citation

아미도옥심화 셀룰로오즈의 양성자 및 금속이온과의 이온 교환 성질에 관한 연구

Proton and Metal Ion Exchange Properties of Cellulose Containing Amidoxime Groups

이수, 김성룡, 오영세, 이영관

초록

Cellulose와 acrylonitrile을 반응시킨 후, DMSO-H₂O가 1:1인 혼합용제에서 NH₂OH·HCl와 반응시켜 아미도옥심화 cellulose (AMC)를 얻었다. 이렇게 얻은 AMC의 proton과의 결합 거동을 전위차적정법을 이용하여 측정하였다. 또한, AMC와 Cu⁺², Cr⁺³, 및 Ni⁺² 등의 전이금속이온과의 흡착 성질을 여러 pH (1-7)의 조건에서 측정하였다. 전이금속이온 흡착능에 대한 pH의 영향은 아미도옥심기의 proton과의 이온결합력 및 전이금속이온과의 배위력으로 설명될 수 있다. AMC의 금속이온 흡착선택성은 Cu⁺² >> Cr⁺³ >> Ni⁺²의 순서였으며, 4차례 재생된 AMC는 처음과 같은 구리이온 흡착능력을 보였다.

The amidoximated cellulose (AMC) was prepared by treating cellulose with acrylonitrile followed by reaction with NH₂OH·HCl in DMSO-water (1:1) cosolvent. The proton binding behavior of AMC was examined by the potentiometric titration method. Adsorption properties of AMC for Cu⁺², Cr⁺³, and Ni⁺² were also examined under various pH ranges(1-7). The pH dependence on its transition metal ion adsorption could be explained by the proton binding and the transition metal ion complexing abilities with the amidoxime group. The AMC has adsorption affinities of the following order : Cu⁺² >> Cr⁺³ >> Ni⁺². In addition, the fourth regenerated AMC showed a same copper ion adsorbability as an original AMC did.

Keywords:cellulose;cyanoethylation;amidoximation;potentiometric titration;chelate resin

[References]

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[1] Kobuke Y, Tanaka H, Ogoshi H, Polym. J., 22(2), 179 (1990)

[2] Egawa H, Kabay N, Shuto T, Jyo A, J. Appl. Polym. Sci., 46, 129 (1992)

[3] Egawa H, Nonaka T, Nakayama M, J. Macromol. Sci.-Chem., A25(10-11), 1407 (1988)

[4] Egawa H, Nonaka T, Tsukamoto K, Polym. J., 22(2), 120 (1990)

[5] Kise H, Sato H, Makromol. Chem., 186, 2449 (1985)

[6] Egawa H, Nonaka T, Tsukamoto K, Polym. J., 23(9), 1037 (1991)

[7] Im SS, LEe Js, Kang EY, J. Appl. Polym. Sci., 45, 827 (1992)

[8] Tolmachev VN, Miroshnik LV, Chaikina EA, Galbraikh LS, Vysokomol. Soedin. Ser. A, 10(8), 1811 (1968)

[9] Tolmachev VN, Miroshnik LV, Zh. Anal. Khim., 30, 895 (1975)

[10] Tolmachev VN, Dubina AM, Miroshnik LV, Banik VV, Vysokomol. Soedin. Ser. A, 21(4), 777 (1979)

[11] Miroshnik LV, Aleksandrov AN, Tolmachev VN, Vysokomol. Soedin. Ser. A, 29(1), 107 (1987)

[12] Fischer HJ, Lieser KH, J. Anal. Chem., 346(10-11), 934 (1993)

[13] Fischer HJ, Lieser KH, Angew. Makromol. Chem., 208, 133 (1993)

[14] Song HY, Park JK, Baek JH, Kim HN, Polym.(Korea), 17(1), 32 (1993)

[15] Segal L, Text. Res. J., 29, 786 (1959)

[16] Hirotsu T, Katoh S, Sugasaka K, Seno M, Itagaki T, J. Chem. Soc.-Dalton Trans., 1609 (1986)

[17] Egawa H, Kabay N, Shuto T, Jyo A, J. Appl. Polym. Sci., 46, 129 (1992)