Specific Interaction이 있는 Rigid-rod/Coil/Slovent 삼성분계의 상거동

허완수

Polymer(Korea), Vol.21, No.4, 563-574, July, 1997

Export Citation

Specific Interaction이 있는 Rigid-rod/Coil/Slovent 삼성분계의 상거동

Critical Phase Behavior of Ternary System with Specific Interaction

허완수

초록

본 연구에서는 coil 성분으로서 nylon, NaAMPS (poly(sodium 2-acrylamido-2-methylpropane sulfonate)), HAMPS (2-acrylamido-2 methylpropane sulfonate acid)

This paper reported the phase diagrams of PBZT (poly-1,4-phenylene benzobisthiazole)/nylon/MSA, PBZT/poly(sodium 2-acrylamido-2 methylpropane sulfonate) NaAMPS)/MSA, PBZT/2-acrylamido-2 methylpropane sulfonic acid (HAMPS)/MAS, and PBZT/poly (p-phenyleneterephthalamido) propanesulfonate)( PPTA-PS)/MSA. The ternary phase diagram of rigid rod polymer PBZT and amorphous nylon in methanesulfonic acid (MSA) solvent was found to follow Flory's prediction of a rod/coil/solvent ternary system very well. When sulfonated polymers, such as NaAMPS polymer and PPTA-PS, were used instead of nylon in a ternary solution, it was found that the phase behavior deviated from Flory's theory due to the possible coil/rod intermolecular interaction in the ternary solution. It was found that for the PBZT/nylon/MSA system, the X3 value was consistent with the contour length of the coil molecules as predicted by Flory's theory. However, both PBZT/HAMPS-monomer/MSA and PBZT/NaAMPS polymer/MSA systems showed an X³ value of unity. The ternary phase diagram of PPTA-PS system shows an X³ value larger than 1, which indicates the ionic interaction is not perfect like PBZT/NaAPMS polymer/MSA and PBZT/HAMPS monomer/MSA system. This suggests that the degree of intermolecular interaction between rod and coil plays an important role in determining the phase behavior of rod/coil/solvent ternary system.

Keywords:ternary system;ionic interaction;NaAMPS;sulfonated kevlar;PBZT

[References]

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Gabriel C, University of Massachusetts, Technical Report of Contract No. 33615-83-K-5001 (1984)
Chuah H, Lee CYC, Helminiak TE, Technical Report, AFWAL-TR-87-4127 (1988)
Flory PJ, Macromolecules, 11(6), 1138 (1978)
Helminiak TE, Wellman M, Hwang WF, Wiff D, Rodgers V, Benner C, AFWAL-TR-80-4163 (1980)
Gabriel CA, Ph.D. Thesis of University of Massachusetts at Amherat (1987)
Welsh WJ, Bhaumik D, Mark JE, Macromolecules, 14, 947 (1981)
Gieselman MB, Reynolds J, Technical Report, WRDC-TR-90-4035 (1990)
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[1] Hwang WF, Wiff DR, Benner CL, Helminiak TE, J. Macromol. Sci.-Phys., B22, 231 (1983)

[2] Chuah HH, Kyu T, Helminiak TE, Polymer, 28, 2129 (1987)

[3] Tracy MA, Pecora R, Macromolecules, 24(9), 237 (1992)

[4] Krause SJ, Haddock T, Price G, Lenhert PG, O'Brien JF, Helminiak TE, Adams WW, J. Polym. Sci. B: Polym. Phys., 24, 1991 (1986)

[5] Yoshimura N, Fujimoyo K, Rubber Chem. Technol., 42, 1009 (1969)

[6] Djordjevic MB, Porter RS, Polym. Eng. Sci., 23, 650 (1983)

[7] Nagasawain M, "Charged and Reactive Polymers," E. Selegny Ed., Vol. 1, p. 57, D. Reidel Publishing Co., Boston (1974)

[8] Conio G, Marsano E, Bonfiglioli F, Tealdi A, Russo S, Macromolecules, 24(25), 6578 (1991)

[9] Barry C, Michael M, Macromolecules, 24(24), 3929 (1991)

[10] Ohno N, Kumanotani J, Polym. J., 11, 947 (1979)

[11] Tan LS, Arnold FE, Chuah H, Technical Report, WRDC-TR-90-4175 (1990)

[12] Helminiak T, Husman G, Adams W, Wiff D, Benner C, ACS Polym. Prepr., 16(2), 659 (1975)

[13] Gabriel C, University of Massachusetts, Technical Report of Contract No. 33615-83-K-5001 (1984)

[14] Chuah H, Lee CYC, Helminiak TE, Technical Report, AFWAL-TR-87-4127 (1988)

[15] Flory PJ, Macromolecules, 11(6), 1138 (1978)

[16] Helminiak TE, Wellman M, Hwang WF, Wiff D, Rodgers V, Benner C, AFWAL-TR-80-4163 (1980)

[17] Gabriel CA, Ph.D. Thesis of University of Massachusetts at Amherat (1987)

[18] Welsh WJ, Bhaumik D, Mark JE, Macromolecules, 14, 947 (1981)

[19] Gieselman MB, Reynolds J, Technical Report, WRDC-TR-90-4035 (1990)

[20] Silverstein RM, "Spectrometric Identification of Organic Compound," John Wiley & Sons (1976)

[21] Lee CYC, Huh W, Bai SJ, Technical Report, WRDC-TR-90-4017 (1990)

[22] Tsai SW, Halpin JC, Pagano NJ, Composite Material Workshop. Technomic Publishing Company (1969)