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1)  Crosslinking double base propellant
交联双基推进剂
2)  cross linked modified double base propellant
交联改性双基推进剂
3)  smokeless XLDB propellant
无烟交联改性双基推进剂
1.
The combustion characteristics of smokeless XLDB propellant at different pressure were studied in detail by analysis of flame structure, combustion waves and SEM.
分析了无烟交联改性双基推进剂样品的火焰结构、燃烧波温度分布和熄火表面成分,初步研究了无烟交联改性双基推进剂在高、低压力下的燃烧特性。
4)  Double-base propellant
双基推进剂
1.
In order to evaluate the efficiency of bismuth 2,4-dihydroxylbenzoate(β-Bi) on catalyzing burning of propellant and search for its effect mechanism,the sample of propellant containing β-Bi is prepared by extrusion technology,and the catalytic performance of β-Bi in the combustion of double-base propellant was investigated.
为了考察2,4-二羟基苯甲酸铋对双基推进剂燃烧的催化效果以及探索其催化作用机理,用螺压工艺制备了含2,4-二羟基苯甲酸铋的推进剂样品,研究了2,4-二羟基苯甲酸铋对双基推进剂燃烧的催化性能。
2.
Moreover,the catalysis of nano-size Pb(Ⅱ)-phthalate for double-base propellant (DB propellant) was studie.
通过研究纳米邻苯二甲酸铅对双基推进剂燃烧的催化作用,发现纳米邻苯二甲酸铅在2~22MPa范围内能提高双基推进剂的燃速,且使双基推进剂在6~10MPa范围内出现较强的麦撒燃烧效应。
3.
The effect of nanometer PbTiO_3 as combustion catalyst on burning properties of double-base propellant was investigated and the experimental research of catalytic combustion mechanism of nanosized PbTiO_3 in double-base propellant was elementarily carried on.
以醋酸铅、钛酸丁酯,冰醋酸为原料,采用溶胶-凝胶法制备出纳米钛酸铅粉体,用 X射线粉末衍射、红外、透射电镜、扫描电镜能谱和 X 射线光电子能谱对产物的组成、大小、形貌进行表征;研究了纳米钛酸铅对双基推进剂燃烧性能的影响,并进行了初步燃烧催化机理实验。
5)  double-based propellant
双基推进剂
1.
Active additives for changing combustion properties are added into double-based propellants so as to meet multi-purpose demands.
对双基推进剂的燃烧研究表明 ,硝酸钾的存在使推进剂的燃烧催化作用降低。
6)  Double base propellants
双基推进剂
1.
This paper analysed the chemical properties of primary decomposition prod-ucts of double base and plateau double base propellants in steady state combustion,and established a splitting decomposition model of intermediate products.
该文分析了双基推进剂和平台双基推进剂稳态燃烧条件下燃烧表面分解初期产物的化学性质,建立了催化条件下中间产物裂解模型。
补充资料:复合改性双基推进剂
分子式:
CAS号:

性质:在改性双基推进剂配方中加入复合推进剂用的黏合剂和固化剂而制成的推进剂。由于双基推进剂的黏合剂为半刚性高分子,所制得的推进剂的玻璃化温度偏高,伸长率较小,推进剂的使用温度较窄,为改善其力学性能,通常采用少量的聚醚或聚酯预聚物,并加入异氰酸酯进行固化交联。复合改性双基推进剂的力学性能明显优于一般双基推进剂,其低温(-40℃)的伸长率达30%左右,可用于贴壁浇注的发动机中。

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