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针对爆燃压裂领域150℃/48h的压裂弹推进剂配方所存在问题,进行基体材料选择、功能填料选择、配方组成及优化研究、固化体系研究、固化参数研究,确定了以环氧树脂为基体的包覆层配方组成,通过耐酸碱盐、耐油、耐高温、高压、抗跌落等实验以及全尺寸装药地面打压及模拟爆燃试验验证,证明该绝热层配方体系组成完全满足150℃/48h的压裂弹推进剂配方对包覆层所提出的指标要求;解决了爆燃压裂领域中一大技术难题;该技术具有广阔的应用前景。
Aiming at the problems existing in the formulation of fracturing projectile propellants at 150 ℃ / 48h in the area of deflagration and fracturing, the selection of matrix materials, the selection of functional fillers, the composition and optimization of formulation, the research of curing system and the curing parameters were studied. It is proved that the composition of the insulation system fully satisfies the temperature of 150 ℃ / min through the experiments of acid and alkali resistance, oil resistance, high temperature resistance, high pressure and drop resistance, as well as the full scale charge ground pressure suppression and simulated deflagration test. 48h fracturing projectile propellant formulations of the proposed indicators of the coating; to solve the deflagration in the field of a major technical problems; the technology has broad application prospects.