Solvent Effects on the Structure of Resorcinol Formaldehyde Resin

Sung Seen Choi

Korea Polymer Journal, Vol.8, No.2, 53-58, April, 2000

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Solvent Effects on the Structure of Resorcinol Formaldehyde Resin

Sung Seen Choi^†

Kumho Research and Development Center, 555 Sochon-dong, kwangsan-gu, Kwangju 506-040, Korea

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Stabilities and structures of resorcinol formaldehyde resins (RF resins) and their dependence on solvent were studied by molecular mechanics molecular dynamics. Dimers to decamers of the RF resins in the conditions of dielectric constant = 1.00, 21.01, 36.64 and 80.10 were calculated. The average distance between oxygen atoms in 1-hydroxyl groups of adjacent resorcinols of the resins became longer with increased dielectric constant of the environment. The number of intramolecular hydrogen bonds of the resins decreased by increasing the dielectric constant of the environment. The FR resin structure on the surface of fabric or steel was explained based on the present calculation.

[References]

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Grenierloustalot MF, Larroque S, Grenier P, Polymer, 37(4), 639 (1996)
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Rio E, Aplincourt P, Ruiz-Lopez MF, Chem. Phys. Lett., 280, 444 (1997)
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Rijpkema B, Weening WE, Rubber World, 210(6), 26 (1994)
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[1] Knop A, Pilato LA, Phenolic Resins, Springer-Verlag, Berlin, 1985 (1985)

[2] Grenierloustalot MF, Larroque S, Grande D, Grenier P, Bedel D, Polymer, 37(8), 1363 (1996)

[3] Grenierloustalot MF, Larroque S, Grenier P, Polymer, 37(4), 639 (1996)

[4] Gutsche CD, Dhawan B, No KH, Muthukrishnan R, J. Am. Chem. Soc., 103, 3782 (1981)

[5] Lamartine R, Plast. Rubber Proc. Appl., 6, 313 (1986)

[6] Paulus E, Bohmer V, Makromol. Chem., 185, 1921 (1984)

[7] Casiraghi G, Cornia M, Sartori G, Casnati G, Bocchi V, Andreetti GD, Makromol. Chem., 183, 2611 (1982)

[8] Casiraghi G, Cornia M, Ricci G, Casnati G, Andreetti GD, Zetta L, Macromolecules, 17, 19 (1984)

[9] Gwin LE, Weaver EJ, J. Elast. Plast., 9, 289 (1977)

[10] Hamed GR, Huang J, Rubber Chem. Technol., 64, 285 (1991)

[11] Magnus FL, Hamed GR, Rubber Chem. Technol., 64, 65 (1991)

[12] Duin M, Souphanthong A, Rubber Chem. Technol., 68, 717 (1995)

[13] Templeton MK, Szmanda CR, Zampini A, Proc. SPIE, 771, 136 (1987)

[14] Pekala RW, J. Mater. Sci., 24, 3221 (1989)

[15] Letts SA, Buckley SR, Kong FM, Lindsay EF, Sattler ML, Mater. Res. Soc. Symp. Proc., 177, 275 (1990)

[16] Rio E, Aplincourt P, Ruiz-Lopez MF, Chem. Phys. Lett., 280, 444 (1997)

[17] Maple JR, Dinur U, Hagler AT, Proc. Nat. Acad. Sci. U.S.A., 85, 5350 (1988)

[18] Wilson EB, Decius JC, Cross PC, Molecular Vibrations; Dover, New York, 1980 (1980)

[19] Rijpkema B, Weening WE, Rubber World, 210(6), 26 (1994)

[20] Singh B, Sedlak JE, Rubber World, 210(6), 32 (1994)