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Development of Phenolic Resin Binder for Carbon Containing Refractories:A Review

机译:含碳耐火材料酚醛树脂粘合剂的研究进展

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Owing to high thermal conductivity for better thermal shock resistance and low wettability with slag to improve corrosion resistance, carbon containing refractories are largely and diversely produced for metallurgical processes.Phenolic resin has been widely used as binder of carbon containing refractories because of compatibility with graphite,high carbon yield, environmental friendliness, high adhesive strength.However, the pyrolytic carbon derived from phenolic resin shows amorphous structure, which is brittle and easily oxidized at elevated temperature.Many studies focus on chemical modifications of phenolic resin With aim to improve the anti-oxidation or/and mechanical properties of phenolic-resin derived carbon, transition metal compound or nanocarbon are frequently used as catalyses, to generate carbon nanotubes (CNTs) or carbon nano fiber (CNFs) with high degree of graphitization, as well as synthesis of SiC nanowires based on phenolic resin.
机译:由于高导热性可提供更好的抗热震性和与渣的低润湿性以提高耐腐蚀性,含碳耐火材料在冶金过程中的用途广泛而多样。酚醛树脂由于与石墨的相容性而被广泛用作含碳耐火材料的粘合剂,碳收率高,环境友好,粘合强度高。但是,酚醛树脂衍生的热解碳显示出无定形结构,易碎且在高温下容易被氧化。许多研究集中在酚醛树脂的化学改性上,目的是提高抗酚性。酚醛树脂衍生的碳,过渡金属化合物或纳米碳的氧化或/和机械性能通常用作催化剂,以生成具有高度石墨化程度的碳纳米管(CNT)或碳纳米纤维(CNF),以及合成SiC基于酚醛树脂的纳米线。

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