A low burning rate high energy solid propellant

A technology of solid propellant and burning rate, which is applied in the direction of offensive equipment, compressed gas generation, explosives, etc., can solve the problems that cannot meet the technical requirements of the development of new strategic weapon models, and solve the contradiction between high energy and low burning rate, The effect of low burning rate

Active Publication Date: 2020-03-24
HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The standard static burning rate of the GAP / CL-20 high-energy propellant reaches above 15mm / s, which cannot meet the technical requirements for the development of new strategic weapon models in the future

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A low burning rate high energy solid propellant
  • A low burning rate high energy solid propellant
  • A low burning rate high energy solid propellant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Composition of high energy solid propellant

[0030] Components (Specifications) Content (%wt) AP (Military Standard III) 6.0 CL-20(20μm) 52.0 Al(Q 3 )

14.0 gaps 6.75 NG 7.5 BTTN 7.5 Bu-NENA 5.25 TDI 0.3 2-NDPA 0.4 TEA 0.2 NPBA 0.1

[0031] (2) Performance of high energy solid propellant

[0032] 6.86MPa measured specific impulse: 260.6s

[0033] 6.86MPa standard static burning rate: 8.3mm / s

[0034] Burning rate pressure index (3MPa~9MPa): 0.68

Embodiment 2

[0036] (1) Composition of high energy solid propellant

[0037] Components (Specifications) Content (%wt) AP(Ⅲ) 8.0 CL-20(20μm) 48.0 Al(Q 3 )

16.0 gaps 6.25 NG 7 BTTN 7 TMETN 4.75 TDI 0.4 2-NDPA 0.8 TEA 1.6 NPBA 0.2

[0038] (2) Performance of high energy solid propellant

[0039] 6.86MPa measured specific impulse: 261.0s

[0040] 6.86MPa Static standard burning rate: 8.9mm / s

[0041] Burning rate pressure index (3MPa~9MPa): 0.72

Embodiment 3

[0043] (1) Composition of high energy solid propellant

[0044]

[0045]

[0046] (2) Performance of high energy solid propellant

[0047] 6.86MPa measured specific impulse: 260.2s

[0048] 6.86MPa static standard burning rate: 8.7mm / s

[0049] Burning rate pressure index (3MPa~9MPa): 0.66

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a low burning rate and high energy solid propellant, and belongs to the technical field of solid propellants. The solid propellant comprises the following components in percentage by weight: 17.5 to 22.5% of plasticizer, 6 to 7.5% of adhesive, 6.0 to 8.0% of oxidant, 48.0 to 52.0% of energy containing explosive, 14.0 to 16.0% of metal fuel, and 1.0 to 4.0% of functional additive; wherein the plasticizer comprises a plasticizer A and a plasticizer B, the plasticizer A is composed of nitroglycerin (NG) and butanetrioltrinitrate (BTTN), and the plasticizer B is one or two of butyl nitroxyethyl nitramine (Bu-NENA) and trimethylolethanetrinitrate (TMETN). The provided propellant can solve the problem that low burning rate and high energy cannot be achieved at the same time. The propellant has a low burning rate and high energy, and the standard static burning rate can reach 9 mm / s or lower.

Description

technical field [0001] The invention relates to a high-energy solid propellant formula for requiring high propellant energy and low burning rate, and belongs to the field of solid propellant. Background technique [0002] High-energy solid propellant is the power source of advanced strategic and tactical missile engines, and its performance directly affects the combat effectiveness and survivability of missile weapons. Due to the high energy, the high-energy solid propellant generally has the characteristics of high basic burning rate, while the long working time of advanced solid rocket motor requires its propellant to have a lower burning rate. In recent years, advanced solid rocket motors require high energy, high loading, and high mass ratio to require high-energy propellants with high elongation and high modulus. 10mm / s technical requirements. [0003] GAP / CL-20 high-energy solid propellant uses GAP as a binder and contains CL-20 explosives. The standard measured spec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): C06B33/06C06B33/04C06D5/06
CPCC06B33/04C06B33/06C06D5/06
Inventor 唐根庞爱民周晓杨吴芳徐海元宋会彬徐星星周水平李洪旭胡翔
Owner HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap