| 수산화마그네슘 분산상의 제조와 PET 부직포 섬유의 난연 코팅제 적용 |
| 임형미, 현미경, 정상옥1, 이동진, 이승호 |
한국세라믹기술원 그린세라믹본부 에코복합소재센터
1(주)나노텍세라믹스 |
| Preparation of Mg(OH)2 Dispersion and its Application to PET Non-woven Textile as Flame Retardant Coating |
| Hyung-Mi Lim, Mi-Kyung Hyun, Sang-Ok Jeong1, Dong-Jin Lee, Seung-Ho Lee |
Eco-Composite Materials Center, Green Ceramics Division, Korea Institute of Ceramic Engineering and Technology
1Nanotech Ceramics Co. Ltd. |
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| ABSTRACT |
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Magnesium hydroxide as a non-halogen flame retardant has increasing attention due to its non-toxicity, high decomposition temperature and smoke suppressant ability during combustion. For the application of magnesium hydroxide retardant to the textile by soaking and coating method, the prerequisite for the coating is a small particle size, stable dispersion, and adhesion to the textile. The dispersion of $Mg(OH)_2$ particles and stability of the coating was checked by monitoring the change of transmittance and backscattering by varying the types of dispersion agents, binder, solvent, and $Mg(OH)_2$ source, and their compositions in the coating. The $Mg(OH)_2$ dispersion coating was applied to PET(poly(ethylene terephthalate)) non-woven textile. The physical properties are characterized by surface morphology, amount of coating, particle dispersion, and adhesion test. The flame retardant $Mg(OH)_2$ coated textile has been compared by limited oxygen index(LOI) and thermal gravimetry and differential scanning calorimetry(TG-DSC). It was found that phosphorous additive may give synergistic effect on $Mg(OH)_2$ flame retardant coating to make the flame retardant PET non-woven textile. |
| Key words:
Magnesium hydroxide dispersion, Phosphorous compound, Flame retardant, PET non-woven textile |
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