폴리카보네이트들과 다양한 종류의 폴리메타아크릴레이트 블렌드의 열역학적 특성에 관한 연구

김주헌; 박동식; 김창근; J. H. Kim; D. S. Park; C. K. Kim

Polymer(Korea), Vol.24, No.5, 682-689, September, 2000

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폴리카보네이트들과 다양한 종류의 폴리메타아크릴레이트 블렌드의 열역학적 특성에 관한 연구

Thermodynamic Characteristics of Blends Involving Polycarbonates adn Various Polymethacrylates

김주헌, 박동식, 김창근^†

중앙대학교 공과대학 화학공학과

J. H. Kim, D. S. Park, and C. K. Kim^†

Department of Chemical Engineering, ChungAng University, Seoul 156-756, Korea

E-mail:

초록

고분자 구조설계를 통해서 단상의 블렌드를 제조하기 위해서는 고분자 반복 단위간의 열역학적 정보가 필수적으로 요구된다. 본 연구에서는 블렌드를 구성하는 각 성분간의 상호작용 에너지를 결정하고 이를 이용하여 단상의 블렌드를 제조하는 방법을 제시하였다. 이를 위하여 폴리카보네이트들과 여러 종류의 폴리메타크릴레이트간의 상용성을 조사하였으며, 이를 바탕으로 고분자 구조를 조절하여 단상의 블렌드를 제조하였다. 또한 단상의 블렌드에 포함된 각 고분자간의 상호작용 에너지는 LCST 거동에 의한 상분리 온도와 상태방정식을 이용하여 정량화 하였다.

The information related to the interaction energy between repeat units s essential for the production fo useful polymer blends via molecular structure design. Based on the interaction energies obtained here, a method for the fabrication of miscibe blend was suggested. An investigation related to the equilibrium phase behavior of polymer blends of various polycarboncates with various polymethacrylates was performed and then based on the obtained interaction information miscible polymer blends were produced by controling molecular structure of polymer. Binary interaction energies between repeat units were calculated form the lower critical solution temperature-type phase boundary using an equationof state combined with binary interaction model.

Keywords:interaction emergies;polycarbonates;polymethacrylates;LCST

[References]

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Kyu T, Saldanha JM, J. Appl. Polym. Sci., 26, 33 (1988)
Nishimoto M, Keskkula H, Paul DR, Polymer, 32, 272 (1991)
Boyer RF, Macromolecules, 15, 774 (1982)
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Genzer J, Composto RJ, Macromolecules, 31(3), 870 (1998)
Tanaka K, Takahara A, Kajiyama T, Macromolecules, 31(3), 863 (1998)
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Fowler ME, Barlow JW, Paul DR, Polymer, 28, 1179 (1987)
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[1] Tokudal T, U.S. Patent, 5,633,060 (1997)

[2] Westeppe U, U.S. Patent, 5,132,154 (1992)

[3] Kim CK, Paul DR, Polymer, 33, 4941 (1992)

[4] Kim CK, Paul DR, Macromolecules, 25, 3097 (1992)

[5] Paul DR, Barlow JW, Polymer, 25, 487 (1984)

[6] Stevens MP, "Polymer Chemistry," 2nd ed., Oxford, New York, 1990 (1990)

[7] Harris JE, Paul DR, Barlow JW, Polym. Eng. Sci., 23, 676 (1983)

[8] Kim CK, Paul DR, Polymer, 33, 2089 (1992)

[9] Kim CK, Paul DR, Polymer, 33, 1630 (1992)

[10] Sanchez IC, "Polymer Blends," ed. by D.R. Paul, vol. II, p. 115, Academic Press, New York, 1978 (1978)

[11] Chu JH, Paul DR, Polymer, 40(10), 2687 (1999)

[12] Flory PJ, "Principal of Polymer Chemistry," Conell University Press, Ithaca, New York, 1955 (1955)

[13] Paul DR, Pure Appl. Chem., 67, 977 (1995)

[14] Brannock GR, Paul DR, Macromolecules, 23, 5240 (1990)

[15] Shimomai K, Higashida N, Ougizawa T, Inoue T, Rudolf B, Kressler J, Polymer, 37(26), 5877 (1996)

[16] Sanchez IC, Polymer, 30, 471 (1989)

[17] Rodgers PA, J. Appl. Polym. Sci., 48, 1061 (1993)

[18] Kim E, Krausch G, Kramer EJ, Osby JO, Macromolecules, 27(20), 5927 (1994)

[19] Saldanha JM, Kyu T, Macromolecules, 20, 2840 (1987)

[20] Kim WN, Burns CM, Macromolecules, 20, 1876 (1987)

[21] Callaghan TA, Paul DR, Macromolecules, 26, 2439 (1993)

[22] Kyu T, Saldanha JM, J. Appl. Polym. Sci., 26, 33 (1988)

[23] Nishimoto M, Keskkula H, Paul DR, Polymer, 32, 272 (1991)

[24] Boyer RF, Macromolecules, 15, 774 (1982)

[25] Kim CK, Paul DR, Polymer, 33, 4929 (1992)

[26] Genzer J, Composto RJ, Macromolecules, 31(3), 870 (1998)

[27] Tanaka K, Takahara A, Kajiyama T, Macromolecules, 31(3), 863 (1998)

[28] Woo EM, Wu MN, Polymer, 37(10), 1907 (1996)

[29] Fowler ME, Barlow JW, Paul DR, Polymer, 28, 1179 (1987)

[30] Sanchez IC, Lacombe RH, J. Phys. Chem., 80, 2352 (1976)

[31] Woo EM, Su CC, Polymer, 37(23), 5189 (1996)

[32] Walsh DJ, Rostami S, Polymer, 26, 418 (1985)