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环氧防火涂料的使用性能
发表时间:2018-06-13 17:24:18来源:/

目前国内所使用的膨胀型防火涂料的有些活性成分在湿润条件下会慢慢析出,影响了防火效果。而环氧树脂由于其优异的封闭性,不存在类似问题。不让活性成分析出是坚持防火涂料耐久性和耐候性的关键。户外用防火涂料应以环氧油漆为主,理由是环氧类油漆具有更好的耐腐蚀性,而且质量轻。
At present, some active components of intumescent fire retardant coatings used in China will slowly precipitate under humid conditions, which will affect the fire prevention effect. However, because of its excellent sealing property, epoxy resin does not have similar problems. The key to adhering to the durability and weatherability of fireproof coatings is not to let the active components precipitate. The fire retardant coatings for outdoor use should be mainly epoxy paint, because epoxy paint has better corrosion resistance and lighter quality.
此外,由于环氧防火涂料具有优异的抗冲击强度、粘结力及抗潮性能,还可应用于一些室内场所如游泳池、浴池及高层建筑等。环氧防火油漆与国内通用防火油漆相比,优点表示在两方面:一是环氧树脂具有极强的封闭性能,可以广泛应用于室外。二是环氧树脂属热固性树脂,具有耐烃类火灾的功能。
In addition, the epoxy fire retardant coatings have excellent impact strength, bond strength and moisture resistance, and can also be used in some indoor places such as swimming pools, baths and high-rise buildings. The epoxy fireproof paint is compared with the domestic fireproof paint, the advantages are expressed in two aspects: first, the epoxy resin has a very strong sealing performance, and can be widely used in the outdoor. Two, epoxy resin is a thermosetting resin and has the function of hydrocarbon fire resistance.
专业防火涂料施工销售
一种新型的室外防火涂料环氧防火油漆已经取代厚型防火涂料,缺乏适用的室外防火油漆成为国内油漆行业的一个老大难问题。然而在国外。有烃类火灾危险的结构、海洋设施、石化和石油装置及海上石油平台等领域得到大量应用。
A new type of outdoor fire retardant coating epoxy fireproof paint has replaced the thick fire retardant coating, and the lack of applicable outdoor fire paint has become an old and difficult problem in the domestic paint industry. But in foreign countries. There are many applications in the fields of structure, marine facilities, petrochemical and petroleum installations and offshore oil platforms with hydrocarbon fire hazards.
环氧树脂对大部分资料如木材、金属、玻璃、塑料、橡胶、皮革、陶瓷、纤维等都有良好的粘接力。固化后的环氧树脂,环氧树脂结构中含有脂肪族羟基、醚基和极活泼的环氧基。具有优良的耐化学腐蚀性、耐热性、耐酸碱性及良好的电绝缘性,用它来配制的防火油漆具有良好的附着力、防腐蚀性和机械强度。环氧防火油漆还具有极佳的封闭性,阻燃成分不会迁移到涂层面,因此其防火性能受时间和环境的影响较小。
Epoxy resin has good adhesion to most materials such as wood, metal, glass, plastic, rubber, leather, ceramics, fiber and so on. The cured epoxy resin contains aliphatic hydroxyl, ether group and very active epoxy group. It has excellent chemical corrosion resistance, heat resistance, acid alkali and good electrical insulation. The fireproof paint made with it has good adhesion, anticorrosion and mechanical strength. Epoxy fire retardant paint also has excellent sealing properties, flame retardant components will not migrate to the coating surface, so its fire performance is less affected by time and environment.
特别是环氧树脂防火涂料在爆炸发生后,能坚持完好并粘附在基材上,较激进膨胀型防火油漆更适用于海上石油平台、油田、炼油厂及石化厂等。选择环氧树脂作为成膜剂还有一个重要的原因,那就是环氧树脂可以作为膨胀型防火油漆的成炭剂。激进理论认为,成炭剂是形成不易燃的泡沫炭化层的物质基础,对泡沫炭化层起着骨架作用,一些含高碳的多羟基化合物。大量实验证实,环氧树脂可以作为成炭剂,也可以与脱水催化剂反应生成多孔结构的炭化层。
Especially, the epoxy resin fire retardant coating can adhere to the base material well and adhere to the base material after the explosion. It is more suitable for the offshore oil platform, oil field, oil refinery and petrochemical plant. Another important reason for choosing epoxy resin as film-forming agent is that epoxy resin can be used as a carbon forming agent for intumescent fire retardant paint. The radical theory holds that the carbon forming agent is the material basis for the formation of the non flammable carbonized layer, which plays a skeleton role in the foam carbonization layer and some polyhydroxyl compounds with high carbon. A large number of experiments have proved that epoxy resin can be used as a charring agent, or can react with dehydrating catalyst to form porous structure carbonized layer.

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