재활용 PET 를 이용한 고분자 몰타르의 제조 및 흡음 특성

홍병표; 변홍식; Byungpyo Hong; Hongsik Byun

Polymer(Korea), Vol.34, No.5, 410-414, September, 2010

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재활용 PET 를 이용한 고분자 몰타르의 제조 및 흡음 특성

Preparation of Polymer-modified Mortars with Recycled PET and Their Sound Absorption Characteristics

홍병표, 변홍식 ^†

계명대학교 화학시스템공학과

Byungpyo Hong, and Hongsik Byun^†

Department of Chemical System Engineering, Keimyung University, Daegu 704-701, Korea

E-mail:

초록

재활용 PET와 fly-ash를 이용하여 두 가지 종류의 고분자 몰타르(PMM)를 제조하였다. 재활용 PET의 조성을 변화시켜 경성(rigid) polymer-modified mortar(PMM)와 연성(flexible) PMM을 제조하였다. 마찰계수 측정을 포함하는 기계적 특성과 흡음 특성을 조사하였고 상업적 PMM인 에폭시 PMM과 PET PMM을 비교하였다. 기계적 특성들의 결과로부터 경성 PMM이 상업적인 PET PMM에 비하여 우수함을 알 수 있었다. 흡음계수 측정에서 경성 PMM과 연성 PMM 모두 상업적인 PMM에 비하여 매우 우수한 흡음 특성을 보여주었다. 또한, 마찰계수 측정결과는 경성 PMM이 바닥재의 활용에 적절하다는 것을 보여주었다.

Two different types of polymer-modified mortars(PMM) were prepared with recycled PET and fly-ash. One is rigid PMM and the other is flexible PMM which are based on the composition of recycled PET. Their mechanical properties including friction coefficient measurement and damping characteristics such as sound absorption were investigated and compared with the commercial PMM such as epoxy PMM and PET PMM. The result from mechanical properties indicated that the rigid PMM could be competitive with the commercial PET PMM. The measurement of sound absorption coefficient showed that both rigid PMM and flexible PMM had much better damping capacity than commercial PMM. However, the friction coefficient of rigid PMM revealed that it would be suitable for the use as floor material.

Keywords:polymer-modified mortar;recycled PET;fly-ash;sound absorption coefficient

[References]

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[1] Mahdi F, Khan AA, Abbas H, Cem. Concr. Comp., 29, 241 (2007)

[2] Hwang EH, Ko YS, J. Korean Ind. Eng. Chem., 14, 644 (2008)

[3] Bignozzi MC, Saccani A, Sandrolini F, Compos. Part A, 31, 97 (2000)

[4] Choi YW, Moon DJ, Kim YJ, Lachemi M, Constr. Build. Mater., 23, 2829 (2009)

[5] Rebeiz KS, Fowler DW, Paul DR, Polym. Composite, 1, 27 (1993)

[6] Li Y, White DJ, Peyton RL, Conservation and Recycling, 24, 87 (1998)

[7] Abdelazim AA, Polym. Eng. Sci., 36(24), 2973 (1996)

[8] Awaja F, Pavel D, Eur. Polym. J., 41, 1453 (2005)

[9] Rebeiz KS, Rosett JW, Nesbit SM, Craft AP, J. Mater. Sci. Lett., 15(14), 1273 (1996)

[10] Vaidya UR, Nadkarni VM, Ind. Eng. Chem. Res., 26, 194 (1987)

[11] Korean Standard Information Center, http://www.standard.go.kr, (Testing Method for Compressive Strength of Concrete), 12 (2005)

[12] Korean Standard Information Center, http://www.standard.go.kr, (Testing Method for Abrasion Resistance of Concrete) 07 (2007)

[13] Byun HS, Lee TG, Polym.(Korea), 25(3), 427 (2001)

[14] Kino N, Ueno T, Appl. Acoustics, 69, 575 (2008)

[15] Gu JH, Zhang XN, Gu MY, J. Alloy Compd., 372, 306 (2004)