Synthesis and characterization of poly(cyclohexylthioacrylate) (PCTA) with high refractive index and low birefringence for optical applications

Jiye Lee; Hyeonuk Yeo; Munju Goh; Bon-Cheol Ku; Honglae Sohn; Ho-Joong Kim; Jae-Kwan Lee; Nam-Ho You

Macromolecular Research, Vol.23, No.10, 960-964, October, 2015

DOI10.1007/s13233-015-3128-8 Export Citation

Synthesis and characterization of poly(cyclohexylthioacrylate) (PCTA) with high refractive index and low birefringence for optical applications

Jiye Lee^{1, 2}, Hyeonuk Yeo^{1, 3}, Munju Goh^{1, 3}, Bon-Cheol Ku^{1, 3}, Honglae Sohn², Ho-Joong Kim², Jae-Kwan Lee², and Nam-Ho You^{1, 3, †}

¹Carbon Composite Materials Research Center, Institute of Advanced Composites Materials, Korea Institute of Science and Technology, Eunha-ri san 101, Bondong-eup, Wanju-gun, Jeonbuk, 565-905, Korea
²Department of Chemistry and Department of Carbon Materials, Chosun University, 375 Seosuk-dong, Dong-gu, Gwangju, 501-759, Korea
³, Korea

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In this study, a new development in thermoplastics was examined: a poly(cyclohexylthioacrylate) containing a sulfur atom in a polymer chain with a high refractive index. The poly(cyclohexylthioacrylate) was synthesized by the free radical polymerization of cyclohexylthioacrylate. Transparent polymer films, fabricated by spin-coating from the polymer solution, exhibited a high refractive index of 1.55244 at 637 nm and low birefringence of 0.0001. The thermal decomposition temperature (T d ) of the polymer was in the range of 355-363 °C, which indicates good thermal stability, while its glass transition temperature was 65 °C.

Keywords:polyacrylate;sulfur-containing polymer;refractive index;thermal properties;birefringence

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[2] Liu J, Ueda M, J. Mater. Chem., 19, 8907 (2009)

[3] Gao CY, Yang B, Shen JC, J. Appl. Polym. Sci., 75(12), 1474 (2000)

[4] Kohara T, Macromol. Symp., 101, 571 (1996)

[5] Rubin ML, Surv. Ophthalmol., 30, 321 (1986)

[6] Morishiro H, Kobayashi S, JP Patent, JP 20058325274 (2005).

[7] Morishiro H, Kobayashi S, JP Patent, JP 2006131724 (2006).

[8] Okada R, Ohkubo T, Kosaka M, Eur. Pat. Appl., EP 530757 (1993).

[9] Ando S, Fujigaya T, Ueda M, Jpn. J. Appl. Phys. Part 2: Letters, 41, L105 (2002)

[10] You NH, Higashihara T, Ando S, Ueda M, J. Polym. Sci. A: Polym. Chem., 48(12), 2604 (2010)

[11] Scheirs J, Gardette JL, Polym. Degrad. Stabil., 56, 339 (1997)

[12] Tojo Y, Arakwa Y, Watanabe J, Konishi G, J. Polym. Sci. A: Polym. Chem., 4, 3807 (2013)

[13] Compan V, Lopez ML, Monferrer L, Polymer, 34, 2971 (1993)

[14] Matsumoto A, Mizuta K, Otsu T, J. Polym. Sci. A: Polym. Chem., 31, 2531 (1993)