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端羟基聚丁二烯简称丁羟(PBHT),以过氧化氢作引发剂,乙醇作溶剂,丁二烯在105°～120℃温度下聚合,用减压蒸馏除去聚合物中的溶剂和副产物,即得无色、透明、粘稠状液体聚合物。丁羟广泛应用于涂料、油漆、泡沫塑料、胶粘剂、绝缘材料、浇注性树脂、热塑性弹性体等,是近年来发展的新型高分子材料。利用~(13)C 核磁共振对端羟基聚丁二烯进行微观结构的研究已有报导,丁羟的生产工艺有阴离子聚合和自由基引发聚合两种,用两种方法所制得的丁羟其微观结构有所不同,即链结构中的三种序列含量有差
Hydroxyl polybutadiene, abbreviated as butylated hydroxytoluene (PBHT), uses hydrogen peroxide as initiator and ethanol as solvent. Butadiene is polymerized at a temperature of 105 ° -120 ° C. The solvent in the polymer is removed by distillation under reduced pressure and the secondary The product, that was colorless, transparent, viscous liquid polymer. Butylated hydroxyl is widely used in coatings, paints, foams, adhesives, insulating materials, pouring resins, thermoplastic elastomers and so on. It is a new type of polymer material developed in recent years. Studies on the microstructure of hydroxy-terminated polybutadiene using ~ (13) C NMR have been reported. The production process of butylated hydroxylamine has two kinds of anionic polymerization and free radical initiated polymerization. Butyloxy The microstructure is different, that is, the content of the three sequences in the chain structure is poor