EPDM/BR 블렌드의 물성에 미치는 커플링결합체의 영향

고진환; 하창식

Korean Journal of Rheology, Vol.7, No.1, 60-67, April, 1995

Export Citation

EPDM/BR 블렌드의 물성에 미치는 커플링결합체의 영향

Effects of Coupling Agents on the Properties of EPDM/BR Blends

고진환, 하창식

초록

EPDM/BR 블렌드의 물성에 미치는 커플링결합제의 영향을 조사하였다. N,N'-(bis(2-methyl-2-nitropropyl))-1,6-diaminohexane) (MNPDH) 와 bis(3-triethoxysilyl propyl)- tetrasulfide (TESPT)의 두 가지 종류의 커플링결합제를 사용하였다. EPDM/BR 블렌드 및 EPDM/BR/MNPDH 또는 EPDM/BR/TESPT 블렌드의 용융점도, 탄성률 및 tan δ 를 모세관 점도계, 동적점탄성장치, 및 동적응력 완화측정장치로 조사하였다. 동적점탄성 및 형태학적 연구 결과 MNPDH 또는 TESPT를 첨가할 경우 결합고무 함량이 증가하고 카본블랙의 분산성이 좋아져 가황된 EPDM/BR블렌드의 인열강도 및 내피로성등의 물성이 향상되었다.

Effects of coupling agents on the properties of EPDM/BR blends were investigated. Two kinds of coupling agents were used : N,N'-(bis(2-methyl-2-nitropropyl))-1,6-diamino hexane) (MNPDH) and bis(3-triethoxysilyl propyl)-tetrasulfide (TESPT). The melt viscosity of the EPDM/BR blends in the unvulcanized state and the elastic modulus and tan δ of the vulcanized EPDM/BR blends with or without coupling agents were measured using capillary rheometer, dynamic mechanical analyzer and dynamic stress relaxometer. The dynamic mechanical analysis and the morphological studies revealed that the addition of MNPDH or TESPT increased the weight of bound rubbers and provided better dispersion of carbon black, resulting in good mechanical properties such as tear strength and fatigue resistance of the vulcanized EPDM/BR blends.

[References]

Watson WF, Ind. Eng. Chem., 47, 1281 (1955)
Yamaguchi T, Kurimoto I, Ohashi K, Oita T, "Novel Carbon Black/Rubber Coupling Agent," Presented at the 134th Rubber Div. meeting at Amer. Chem. Soc., Paper No. 59, Cincinnati, Ohio, Oct. 18 (1988)
Holland LW, U.S. Patent, 2,315,855 (1940)
Wolff S, "The Role of Rubber to Silica Bonds in Reinforcement," Presented at the First France-German Rubber Symposium, Alsace, France, Nov. 14-16 (1985)
Paul DR, Newman S, "Polymer Blends," Academic Press, New York, Vol. 1 and II (1978)
Utracki LA, "Polymer Alloys and Blends-Thermodynamics and Rheology," Hanser Publishers, New York (1989)
Olabishi O, Robeson LM, Shaw MT, "Polymer-Polymer Miscibility," Academic Press, New York (1979)
Inoue T, Int'l. Polym. Sci. & Technol., 14, 9 (1987)
Fuhimoto K, Yoshimura N, Rubber Chem. Technol., 39, 1109 (1966)
Shah K, Min K, White J, Polym. Eng. Sci., 28, 1277 (1988)
Walters MH, Keyte DN, Rubber Chem. Technol., 35, 62 (1962)
Zanzig DJ, Magnus FL, Hsu WL, Halasa AF, Testa ME, Rubber Chem. Technol., 66(4), 538 (1993)
Roland CM, Rubber Chem. Technol., 62, 456 (1989)
Roland CM, Trask CA, Rubber Chem. Technol., 62, 896 (1989)
Allen RD, J. Elastom. Plast., 15, 19 (1983)
Ha CS, Kim SC, J. Appl. Polym. Sci., 37, 317 (1989)
Kresge EN, Rubber Chem. Technol., 64(3), 469 (1991)
Dunn JR, Wall DW, Paper No. 48, Presented at a Meeting of the Rubber Division, American Chemical Society, Lasvegas, Nevada, May 27-June 1 (1990)
Harrell ER, Porter JP, Nakajima N, Rubber Chem. Technol., 64(2), 254 (1991)
Hess WM, Rubber Chem. Technol., 64(3), 386 (1991)
Wolff S, Rubber Chem. Technol., 55, 967 (1982)
Ayala JA, Hess WM, Kistler FD, Joyce GA, Rubber Chem. Technol., 64, 19 (1990)

[1] Watson WF, Ind. Eng. Chem., 47, 1281 (1955)

[2] Yamaguchi T, Kurimoto I, Ohashi K, Oita T, "Novel Carbon Black/Rubber Coupling Agent," Presented at the 134th Rubber Div. meeting at Amer. Chem. Soc., Paper No. 59, Cincinnati, Ohio, Oct. 18 (1988)

[3] Holland LW, U.S. Patent, 2,315,855 (1940)

[4] Wolff S, "The Role of Rubber to Silica Bonds in Reinforcement," Presented at the First France-German Rubber Symposium, Alsace, France, Nov. 14-16 (1985)

[5] Paul DR, Newman S, "Polymer Blends," Academic Press, New York, Vol. 1 and II (1978)

[6] Utracki LA, "Polymer Alloys and Blends-Thermodynamics and Rheology," Hanser Publishers, New York (1989)

[7] Olabishi O, Robeson LM, Shaw MT, "Polymer-Polymer Miscibility," Academic Press, New York (1979)

[8] Inoue T, Int'l. Polym. Sci. & Technol., 14, 9 (1987)

[9] Fuhimoto K, Yoshimura N, Rubber Chem. Technol., 39, 1109 (1966)

[10] Shah K, Min K, White J, Polym. Eng. Sci., 28, 1277 (1988)

[11] Walters MH, Keyte DN, Rubber Chem. Technol., 35, 62 (1962)

[12] Zanzig DJ, Magnus FL, Hsu WL, Halasa AF, Testa ME, Rubber Chem. Technol., 66(4), 538 (1993)

[13] Roland CM, Rubber Chem. Technol., 62, 456 (1989)

[14] Roland CM, Trask CA, Rubber Chem. Technol., 62, 896 (1989)

[15] Allen RD, J. Elastom. Plast., 15, 19 (1983)

[16] Ha CS, Kim SC, J. Appl. Polym. Sci., 37, 317 (1989)

[17] Kresge EN, Rubber Chem. Technol., 64(3), 469 (1991)

[18] Dunn JR, Wall DW, Paper No. 48, Presented at a Meeting of the Rubber Division, American Chemical Society, Lasvegas, Nevada, May 27-June 1 (1990)

[19] Harrell ER, Porter JP, Nakajima N, Rubber Chem. Technol., 64(2), 254 (1991)

[20] Hess WM, Rubber Chem. Technol., 64(3), 386 (1991)

[21] Wolff S, Rubber Chem. Technol., 55, 967 (1982)

[22] Ayala JA, Hess WM, Kistler FD, Joyce GA, Rubber Chem. Technol., 64, 19 (1990)