소수성 실리카의 제조 및 가스차단성 필름으로의 응용에 관한 연구

양경민; 장미정; 남광현; 정대원; Kyeong Min Yang; Mi Jung Chang; Kwang Hyun Nam; Dae-won Chung

Applied Chemistry for Engineering, Vol.28, No.5, 554-558, October, 2017

DOI10.14478/ace.2017.1072 Export Citation

소수성 실리카의 제조 및 가스차단성 필름으로의 응용에 관한 연구

Study on the Synthesis of Hydrophobic Silica and Its Application for Gas Barrier Film

양경민, 장미정¹, 남광현¹, 정대원 ^†

수원대학교 공과대학 신소재공학과
¹(주)마잘

Kyeong Min Yang, Mi Jung Chang¹, Kwang Hyun Nam¹, and Dae-won Chung^†

Department of Polymer Engineering, College of Engineering, Suwon University, Suwon 18323, Korea
¹Mazal Co., Ltd, #505, 506, Changup Center, Kyunggi University, Suwon 16227, Korea

E-mail:

초록

실리카 표면의 소수화를 위하여 다양한 조건 하에서 hexamethyldisilazane (HMDS)와 반응시켰다. 얻어진 반응물들은 형태학적으로는 실리카와 큰 차이가 없었으나, 열중량분석 및 원소분석을 통하여 실리카의 표면이 유기물로 개질된 것을 확인할 수 있었다. 톨루엔에서의 분산성 및 페녹시 수지와 복합화한 필름의 표면 조도를 측정하여 평가한 결과, 데칼린을 용매로 사용하여 200 ℃에서 과량의 HMDS를 사용하여 6 h 반응시킨 물질이 최적으로 나타났다. 이와 같은 개질 실리카를 포함하는 복합체 필름의 산소 투과도 평가 결과, 개질 실리카는 필름의 산소 차단성을 향상시키는 것을 확인하였다.

In order to achieve a hydrophobic surface of silica, we reacted silica nanoparticles with hexamethyldisilazane (HMDS) under various reaction conditions. Modification of the surface of silica with organic materials was confirmed by the thermogravity and elemental analysis. The modified silica displayed nearly the same morphology as to the pristine silica. The reaction of 20 g of HMDS with 1 g of silica in decalin at 200 ℃ for 6 hours was found to be the optimum reaction condition in terms of the dispersity in toluene and the surface roughness of composite films. Oxygen permeation studies of the composite film demonstrated that the modified silica enhanced a gas barrier performance.

Keywords:silica;hexamethyldisilazane;hydrophobicity;gas barrier;phenoxy resin

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[2] Schneider J, Akbar MI, Dutroncy J, Kiesler D, Leins M, Schulz A, Walker M, Schumacher U, Stroth U, Plasma Process. Polym., 6, 700 (2009)

[3] Moritoki M, Mori T, Shirakura A, Suzuki T, Surf. Coat. Technol., 307, 1070 (2016)

[4] Chatham H, Surf. Coat. Technol., 78, 1 (1996)

[5] Singh B, Bouchet J, Rochat G, Leterrier Y, Manson JAE, Fayet P, Surf. Coat. Technol., 201, 7107 (2007)

[6] Singh B, Bouchet J, Leterrier Y, Manson JAE, Rochat G, Fayet P, Surf. Coat. Technol., 202, 208 (2007)

[7] Lange J, Wyser Y, Packag. Technol. Sci., 16, 149 (2003)

[8] Lewis JS, Weaver MS, IEEE J. Sel. Top. Quantum Electron., 10, 45 (2004)

[9] Vladimirov V, Betchev C, Vassiliou A, Papageorgiou G, Bikiaris D, Compos. Sci. Technol., 66, 2935 (2006)

[10] Bikiaris DN, Vassiliou A, Pavlidou E, Karayannidis GP, Eur. Polym. J., 41, 1965 (2005)

[11] Yoo TW, Woo JS, Ji JH, Lee BM, Kim SS, Biomater. Res., 16, 32 (2012)

[12] Gun'ko VM, Vedamuthu MS, Henderson GL, Blitz JP, J. Colloid Interface Sci., 228(1), 157 (2000)

[13] Slavov SV, Sanger AR, Chuang KT, J. Phys. Chem., 104, 983 (2000)

[14] Alipour N, Gedde UW, Hedenqvist MS, Yu S, Roth S, Bruning K, Vieyres A, Schneider K, Eur. Polym. J., 64, 36 (2015)

[15] Park SH, Kim SJ, Lee HS, Choi JH, Jeong CM, Sung MH, Kim DH, Park HJ, J. Appl. Polym. Sci., 121(3), 1788 (2011)

[16] Kumbhar PS, Yadav VM, Yadav GD, Gordon and Breach, 3rd Ed., p. 81-89, Philadelphia, USA (1989).

[17] Eliades T, Gioka C, Eliades G, Makou M, Eur. J. Orthod., 26, 333 (2004)

[18] Verran J, Maryan CJ, J. Prosthet. Dent., 77, 535 (1997)

[19] Joo J, Kim HS, Kim JT, Yoo HJ, Lee JR, Cheong IW, Korean Chem. Eng. Res., 50(2), 371 (2012)