2,2-Bis[4-(4-nitrobenzoyl)phenoxy]hexafluoropropane과 방향족 이무수물을 사용한 폴리이미드의 합성

박정혜; 안병현; Jung Hye Park; Byung Hyun Ahn

Applied Chemistry for Engineering, Vol.27, No.1, 50-55, February, 2016

DOI10.14478/ace.2015.1121 Export Citation

2,2-Bis[4-(4-nitrobenzoyl)phenoxy]hexafluoropropane과 방향족 이무수물을 사용한 폴리이미드의 합성

Synthesis of Polyimides Derived from 2,2-Bis[4-(4-aminobenzoyl)phenoxy]hexafluoropropane and Aromatic Dianhydrides

박정혜, 안병현^†

부경대학교 재료공학과

Jung Hye Park, and Byung Hyun Ahn^†

Department of Material Engineering, Pukyong National University, Pusan, 48547, Korea

E-mail:

초록

4,4’-Hexafluoroisopropylidene diphenol과 염화니트로 벤조일의 반응에 의해 hexafluoroisopropylidene 연결기와 에스테르 연결기를 갖는 방향족 디아민을 합성하였다. 이 방향족 디아민을 hexafluoroisopropylidene phthalicdianhydride (6FDA) 또는 pyromellitic dianhydride (PMDA)와 반응시켜 4종류의 폴리아미드산을 얻었다. 폴리아미드산의 점도는 0.196~0.346 dL/g이었다. 폴리아미드산을 열이미드화 방법을 사용하여 폴리이미드로 전환시켰다. 폴리이미드의 유리전이온도는 241~289 ℃에서 관찰되었고, 5% 중량 감소는 430~492 ℃에서 나타났다. 폴리이미드 필름의 인장 강도는 29.84~64.38 MPa로 측정되었다.

Aromatic diamines containing hexafluoroisopropylidene and ester moiety were synthesized from 4,4’-hexafluoroisopropylidene diphenol and nitrobenzoyl chloride. The reaction of aromatic diamines with hexafluoroisopropylidene phthalicdianhydride (6FDA) or pyromellitic dianhydride (PMDA) gave four kinds of poly(amic acid)s. Their inherent viscosities ranged from 0.196 to 0.346 dL/g. Poly(amic acid)s were converted to polyimides by thermal imidization. The glass transition temperatures (Tg) of polyimides were between 241 and 289 ℃. The 5% weight loss temperatures were recorded in the range of 430~492 ℃. The tensile strength of polyimide films were measured as 29.84~64.38 MPa.

Keywords:hexafluoroisopropylidene;aromatic diamine;poly(amic acid);polyimide

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[3] Bruma M, Fitch JW, Cassidy PE, J. Macromol. Sci. Part C: Polym. Rev., 36(1), 119 (1996)

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[5] Hougham G, Tesoro G, Shaw J, Macromolecules, 27(13), 3642 (1994)

[6] Misra AK, Tesoro G, Tesoro G, Haugham G, Pendharkar SM, Polymer, 33, 1078 (1992)

[7] Nishi S, Matsuura T, Ando S, Sasaki S, J. Photopolym Sci. Technol., 5, 359 (1992)

[8] Park JW, Lee M, Lee MH, Liu JW, Kim SD, Chang JY, Rhee SB, Macromolecules, 27(13), 3459 (1994)

[9] Waldbauer RO, Rogers ME, Arnold CA, York GA, McGrath JE, Polym. Prep., 31, 432 (1990)

[10] Jones RJ, Silverman EM, SAMPE J., 25(2), 41 (1989)

[11] Omote T, Koseki K, Yamaoka T, Polym. Eng. Sci., 29, 945 (1989)

[12] Mueller WH, Vora RH, Khanna DH, Eur. Patent, 354361 (1990)

[13] St. Clair AK, St. Clair TL, Winfree WP, Polym. Mat. Sci. Eng., 59, 28 (1988)

[14] Wang R, Cao C, Chung TS, J. Membr. Sci., 198(2), 259 (2002)