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국문 초록 (Abstract)

본 연구는 순수 Polyurethane과 일반적인 난연제인 Al(OH)3 및 Mg(OH)2를 첨가한 sample과 Cloisite Na+, Cloisite 15A를 첨가한 sample의 난연성 및 기계적 특성을 비교하였다. 또한 Sodium silicate와 Polyurethane을 혼합한 것에 경량성 충진제인 Vermiculite, Perlite를 충진한 sample의 난연성 및 기계적 특성을 확인하였다. 그 결과, Cloisite Na+와 Cloisite 15A를 첨가한 sample과 Sodium silicate를 혼합한 sample에서 난연제를 첨가한 것과 같은 등급의 난연 성을 확인하였다. 인장강도는 filler의 양이 증가함에 따라 저하 되었으나, sodium silicate를 첨가한 sample의 경우 다 른 sample 보다 강도가 향상됨을 확인하였다.

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본 연구는 순수 Polyurethane과 일반적인 난연제인 Al(OH)3 및 Mg(OH)2를 첨가한 sample과 Cloisite Na+, Cloisite 15A를 첨가한 sample의 난연성 및 기계적 특성을 비교하였다. 또한 Sodium silicate와 Polyurethane을 ...

다국어 초록 (Multilingual Abstract)

In this study, pure Polyurethane and commonly used flame retardants Al(OH)3 and Mg(OH)2, the add-in sample and Cloisite Na +, Cloisite 15A added sample of flammability and mechanical properties are compared. Sodium silicate and a mixture of polyurethane that the lightweight filler Vermiculite, Perlite addition of flame retardant and mechanical properties of the sample was confirmed. As a result, the flame retardant additive in the Vermiculite and Perlite in a flame-retardant grade sample except sample were identified. Tensile strength is degrade accord to the filler amount. But, Sodium silicate in the case of the sample add-in, other than confirmed that the sample strength increases.

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참고문헌 (Reference)

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2 M. Modesti, "Synergism between flame retardant and modified layered silicate on thermal stability and fire behaviour of polyurethane nanocomposite foams" 93 (93): 2166-2171, 2008

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4 P. Thomas, "Polyurethane technology & applications" Huntsman international 2002

5 Suprakas Sinharay, "Polymer/layered silicate nanocomposites : A review from preparation to processing" 2003

6 D. Klemper, "Handbook of polymeric Foams and Foam" 253-, 1991

7 M. Lewis, "Flame-Retardant Polymer Materals" Plenum Press 1975

8 Louis O. Raether, "Flame retardant Markets, products, regulations, a historical perspective, In Flame retardant 101 : Basic dynamics" Fire Retardant Chemical Association 4-9, 1996

9 K. Troev, "Chemical degradation of polyurethanes: Degradation of flexible polyester polyurethane foam by phosphonic acid dialkyl esters" 78 : 2565-2573, 2000