나일론 6과 폴리프로필렌 수지에 유리섬유가 보강된 삼상 복합재료에 관한 연구

윤병선; 서문호; 이석현

Korean Journal of Rheology, Vol.10, No.2, 57-64, June, 1998

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나일론 6과 폴리프로필렌 수지에 유리섬유가 보강된 삼상 복합재료에 관한 연구

A Study on the Three Phase Glass Fiber/Nylon 6/Polypropylene Composites

윤병선, 서문호, 이석현

초록

점도가 높은 열가소성 수지를 보강섬유에 직접 함침시켜 강화형 연속섬유를 제조할 수 있도록 본 연구실에서 개발한 인발수지 함침장치를 이용하여 나일론 6수지(PA)또는 폴리프로필렌 수지(PP)를 유리섬유(GF)내로 함침시져 연속섬유헝 복합재료를 제조하고 이를 일정 길이로 절단하여 GFPA 및 GFPP master batch를 제조하였다. 여기에 나일론 6수지, 폴리프로필렌 수지 (PP), 그리고 폴리프로필렌 수지를 무수말레산 (maleic anhydride, MA)으로 개질한 PP-g-MA를 부가하여 일정 성분을 갖는 복합재료를 제조하였다. 인발수지함침장치를 이용하여 제조한 연속섬유형 복합재료의 형태학적 특성과 기계적 특성을 측정한 결과 함침 및 혼합상태는 양호하였으며, 복합재료들의 물성을 비교한 결과 GFPA master batch에 P-g-MA를 첨가한 복합재료가 순수한 폴리프로필렌 수지를 첨가한 경우보다 수지와 수지 및 섬유와 수지 사이의 계면 결합력이 향상되어 기계적 특성이 크게 증가되는 것을 발견 하였다. 이상의 연구 결과를 통하여 본 연구에서 사용한 인발수지함침장치가 적절한 가공 조건만 확립된다면 장섬유 강화 열가소성 복합재료의 제조에 유용하게 활용될 수 있음을 확인하였다.

A pultrusion resin impregnation (PRI) die, which has been developed recently in our laboratory, was used to prepare various composite systems. The continuous fiber reinfo- rced composites of glass fiber/polypropylene (GFPP) and glass fiber/polyamide 6 (GFPA) were first manufactured by means of the PRI die and then cut into chopped pellets of predetermined length. These pellets and either virgin or modified thermoplastic resin we- re melt-mixed by a twin screw extruder to prepare GF/PA/PP and GF/PA/PPMA syst- em. The mechanical properties of these blends were investigated and discussed in terms of their morphological observations. These preliminary results revealed that this new impregnation die could be successfully applied to produce prepregs suitable for the final shaping process.

Keywords:Pultrusion resin impregnation die;Glass fiber;Polyamide 6;Polypropylene;GF/PA/PP composites

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[2] Cimmino S, Polym. Eng. Sci., 24, 48 (1984)

[3] Hobb SY, Bopp RC, Watkins VH, Polym. Eng. Sci., 23, 380 (1983)

[4] Ide F, Hasegawa A, J. Appl. Polym. Sci., 18, 963 (1974)

[5] Utracki LA, Dumoulin MM, Toma P, Polym. Eng. Sci., 26, 34 (1986)

[6] Chung HK, Han CD, J. Appl. Polym. Sci., 30, 2457 (1985)

[7] Serpe G, Jarrin J, Dawans F, Polym. Eng. Sci., 30, 553 (1990)

[8] Min K, White JL, Fellers JF, Polym. Eng. Sci., 24, 1327 (1984)

[9] Willis JM, Favis BD, Polym. Eng. Sci., 28, 21 (1988)

[10] Chen CC, Fontan E, Min K, White JL, Polym. Eng. Sci., 28, 69 (1988)

[11] Gonzalezmontiel A, Keskkula H, Paul DR, J. Polym. Sci. B: Polym. Phys., 33(12), 1751 (1995)

[12] Holsti-Miettine R, Seppala J, Ikkala OT, Polym. Eng. Sci., 32, 868 (1992)

[13] Gupta VB, Mittal RK, Sharma PK, Mennig G, Wolters J, Polym. Compos., 10, 8 (1989)

[14] Gupta VB, Mittal RK, Sharma PK, Mennig G, Wolters J, Polym. Compos., 10, 16 (1989)

[15] Gibson AG, "Polypropylene," J. Karger-Kocsis, ed., Chapman & Hall, London (1995)

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[17] Ulrych F, Sova M, Vokrouhlecky J, Turcic B, Polym. Compos., 14, 229 (1993)

[18] Bailey RS, Davies M, Moore DR, Composites, 20, 453 (1989)

[19] Wyzgoski MG, Novak GE, J. Mater. Sci., 26, 6314 (1991)

[20] Benderly D, Siegmann A, Polym. Compos., 17, 86 (1996)

[21] Benderly D, Siegmann A, Polym. Compos., 17, 343 (1996)

[22] Yoon BS, Lee SH, Suh MH, Polym. Compos., 18, 656 (1997)

[23] Gupta AK, J. Appl. Polym. Sci., 27, 4689 (1982)

[24] Avalos F, J. Polym. Eng., 9, 157 (1990)

[25] White JL, "Polymer Blends and Mixtures," D.J. Walsh, J.S. Higgins, A. Maconnachie, ed., Dordrecht, Netherlands (1985)

[26] Ide F, Kamade K, Hasegawa A, Kobunshi Kagaku, 25, 107 (1968)

[27] Bratawidijaja AS, Gitopadmoyo I, Watanabe Y, Hatakeyama T, J. Appl. Polym. Sci., 37, 1141 (1989)

[28] Sawyer LC, Grubb DT, "Polymer Microscopy," Chapman & Hall London (1987)

[29] Sjogren BA, Berglund LA, Polym. Compos., 18, 1 (1997)

[30] Xanthos M, Grenci J, Patel SH, Jacob C, Dey S, Dagli SS, Polym. Compos., 16, 204 (1995)

[31] Joshi M, Maiti SN, Misra A, Mittal RK, Polym. Compos., 15, 349 (1994)