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为进行老化评定研究,选择并研制了固体含量为88-91％的三种丁羟(端羟基聚丁二烯)推进剂。业已证明,固体含量为88％的推进剂与以前提出的一种老化模型相吻合。对于老化情况已经明确的、有较高固体含量的推进剂以及其它计划中的丁羟推进剂也用该老化模型进一步成
For the purpose of aging assessment studies, three butylated hydroxyl (polybutadiene) propellants were selected and developed with a solids content of 88-91%. It has been shown that propellants with a solids content of 88% are consistent with a previously proposed aging model. For aging conditions it has been clear that propellants with higher solids and other planned butyrolactones are also used with this aging model to further