속경화.저비중 SMC 제조에 관한 연구

김은경; 이영철; 황석호

Journal of the Korean Industrial and Engineering Chemistry, Vol.7, No.3, 511-517, June, 1996

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속경화.저비중 SMC 제조에 관한 연구

A Study on Preparation of Fast Cure and Low Density SMC

김은경, 이영철, 황석호

초록

본 논문에서는 속경화 SMC와 저비중 SMC를 제조하기 위한 경화시스템과 배합시스템을 연구하였다. 속경화 SMC를 제조하기 위한 경화시스템으로는 혼합개시제를 사용한 시스템과 촉진제를 사용한 시스템으로 나누어 실험하였고, 저비중용 SMC는 glass micro-baloon(GMB)을 충진제로 사용하여 실험하였다. 본실험에서는 두시스템으로 제조된 시편으로 경화 거동, 기계적 성질, 물리적 성질 등을 측정하였다. 속경화용 SMC 시편의 경우는 혼합개시제의 양 및 촉진제의 양이 증가할수록 경화 속도는 증가하였으나 SMC 성형 시편의 물성은 큰 변화를 보이지 않았다. 저비중용 SMC에서는 GMB의 양이 증가함에 따라 비중이 감소하였으며, 물성치에서도 약간의 감소를 보였다.

In this research, we studied curing and filler systems for preparation of fast cure SMC and low-density SMC, respectivly. Two curing systems were evaluated for fast cure SMC formulaction. One is a mixed initiator system and the other is an activator system. For low-density SMC, glass micro-baloon(GMB) was used as a filler. Various SMC formulations were cured in an appropriate way, and their curing behavior and physical/mechanical properties were characterized. Curing rates were increased with increasing quantity of mixed initiator and activator, but mechanical properties were not affected. As the quantities of GMB increased, density and mechanical properties were decreased.

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[1] Gum, Rises, Ulrich, "Reactin Polymers," Hanser Publishers, Oxford University Press, N.Y. (1991)

[2] Lee SM, "International Encyclopedia of Composites," 5, VCH Publishers, N.Y. (1991)

[3] Mallick PK, Newman S, "Composite Materials Technology," Hanser Publisher Oxford University Press, N.Y. (1990)

[4] "Encyclopedia of Polymer Science and Engineering," 2nd ed., John Wiley & Sons (1987)

[5] Farrington G, Dimino J, 44th SPI Annual Conference, Reinforced Plastics/Composite Institute, SESSION 12-C (1989)

[6] Anderkanic RA, Dimino J, Sobotkowski S, 44th SPI Annual Conference, Reinforced Plastics/Composite Institute, SESSION 12-D (1989)

[7] Mali DTJ, Plastics Technology, July, 101-102, bill Communications, Inc. (1982)

[8] Thomas A, Roskott L, Groenendaal AAH, Kolczynski JR, 33rd SPI Annual Technical Conference, Reinforced Plastics/Composite Institute, SESSION 5-E (1978)

[9] Babbington DA, Enos JH, 44th SPI Annual Conference, Reinforced Plastics/Composite Institute, SESSION 5-A (1989)

[10] Sheppard CS, Kamath VR, Polym. Eng. Sci., 19, 597 (1979)

[11] Ratarin FJ, Howes WC, 41th SPI Annual Conference, Reinforced Plastics/Composite Institute, SESSION 5-C (1986)