将端羟基聚丁二烯与聚氨酯进行共混改性，提高了聚氨酯基体的表观交联度及推进剂的拉伸强度。
When blend modification of HTPB and PU are done, the apparent crosslinking density of PU matrix in - creases, and the tensile strength of propellant enhances.
探讨了烷氧基硅烷封端率及端羟基聚丁二烯的含量对单组分密封胶的力学性能、硬度及表干时间的影响。
The effects of different silane end-capped ratios and HTPB content on mechanical properties, hardness and surface dry time of the sealant were discussed.
通过改变端羟基聚丁二烯（HTPB）基PBX的固化参数与黏结剂的含量，制备了一系列具有不同模量的PBX，利用50%特性落高法对其撞击感度进行测试。
A series of HTPB-based PBX with different mechanical modulus were prepared by varying curing parameters or content of HTPB. The impact sensitivity of the PBX was characterized by H_(50) drop height.
它将点燃固体推进燃料(HTPB，或称羟基封端聚丁二烯)和液体氧化剂(高挥发性过氧化物，HTP)的混合物持续20秒。
It will burn a mixture of solid propellant (HTPB, or hydroxyl-terminated polybutadiene) and liquid oxidiser (high-test peroxide, HTP) for 20 seconds.
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物，可改性环氧树脂。
Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物，可改性环氧树脂。
Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
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