INTUMESCENT INORGANIC AND ORGANIC COATINGS

• 영문명: INTUMESCENT INORGANIC AND ORGANIC COATINGS
• 발행기관: 한국화재소방학회
• 저자명: Kodolov, V.I. Mikhalkina, T.M. Shuklin, S.G. Bystrov, S.G. Larionov, K.I.
• 간행물 정보: 『한국화재소방학회 학술대회논문집』1997년도 International Symposium on Fire Science and Technology, 130~137쪽, 전체 8쪽
• 주제분류: 공학 > 공학일반
• 파일형태: PDF
• 발행일자: 1997.11.30

영문 초록

Intumescent inorganic and organic coatings which dintr one from the other by the type of gas formers and the mechanisms of foam formation have been obtained and investigated. Inorganic intumescent coatings are the compositions based on water glass and mineral additives with different dispersity. Mineral additives contain adsorbed and absorbed water and carbonates which are destructed with the carbon dioxide and water evolution during the flame action on coating. The decreasing of mineral additives particle sizes under the mechanical milling with the fraction precipitation promotes the foam coke formation with less defects. Here the main structure of comparing compositions does not change. In organic coatings based on epoxy-polymers the polyammonium phosphate additive is used. It is the cabonization catalyst and the foam agent. The polyammonium phosphate of various dispersity employed is uniformly distributed on the polymeric matrix. The decreasing of the particle sizes leads to the increasing of the fire resistant properties of the intumescent coa-ting. The fire resistant analysis of the coating during more than an hour: the coating back side the temperature on plastic or wooden materials does not exceed 423K, and on metal-573K.