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Amide-type aid and preparation method thereof

A technology of amide and additives, which is applied in the field of composite solid propellant manufacturing, can solve the problems of affecting the mechanical properties and aging properties of the formula, accelerating the wetting speed of the adhesive, and affecting the mechanical properties of the propellant, etc., to achieve leveling Good properties, improved wetting state, reduced yield value and viscosity

Active Publication Date: 2012-01-18
HUBEI SANJIANG AEROSPACE JIANGHE CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the 1960s, the composite solid propellant industry at home and abroad has successively selected appropriate process additives to reduce the viscosity of the slurry, reduce the yield value, improve the fluidity and leveling of the slurry, and prolong the application of the slurry. During the period, the process additives used mainly include methyl oleate, lecithin, Great Britain detergent, and phosphorus-containing compounds. The applicability of these process additives is relatively poor, or the amount of use is large, which has an impact on the mechanical properties and aging properties of the formula.
At present, general-purpose amide compounds can accelerate the wetting speed of the binder to the solid filler, improve the rheological properties of the suspension, and can effectively improve the process performance of the propellant. The mechanical properties of the agent

Method used

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  • Amide-type aid and preparation method thereof
  • Amide-type aid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: Add 85% linoleic acid dimer acid into the reaction kettle, feed nitrogen, when the temperature in the kettle rises to 95°C, add triethylenetetramine with a content greater than 99.5%, triethylenetetramine and The molar ratio of linoleic acid dimer acid is 2.5:1, continue to heat up to 155°C, start the acylation reaction in the kettle, keep the temperature in the kettle at 160°C~180°C for 2 hours, continue to heat up to 238°C, maintain React at this temperature for 1.5 hours. When no water is produced, the reaction is complete. Start to lower the temperature, and replace the vacuum distillation device to evaporate excess triethylenetetramine to obtain amide additives.

Embodiment 2

[0012] Example 2: Add linoleic acid dimer acid with a content of 90% into the reaction kettle, feed nitrogen, and when the temperature in the kettle rises to 100°C, add triethylenetetramine with a content greater than 99.5%, triethylenetetramine The molar ratio with linoleic acid dimer acid is 2.5:1, continue to heat up to 157°C, start the acylation reaction in the kettle, keep the temperature in the kettle at 160°C~180°C for 2 hours, continue to heat up to 238°C, Maintain this temperature for 1.5 hours. When no water is produced in the reaction, the reaction is complete, start to lower the temperature, and replace the vacuum distillation device to evaporate excess triethylenetetramine to obtain amide additives.

Embodiment 3

[0013] Example 3: Add linoleic acid dimer acid with a content of 92% into the reaction kettle, feed nitrogen, and when the temperature in the kettle rises to 105°C, add triethylenetetramine with a content greater than 99.5%, triethylenetetramine The molar ratio with linoleic acid dimer acid is 2.5:1, continue to heat up to 160°C, start the acylation reaction in the kettle, keep the temperature in the kettle at 160°C~180°C for 2 hours, continue to heat up to 238°C, Maintain this temperature for 1.5 hours. When no water is produced in the reaction, the reaction is complete, start to lower the temperature, and replace the vacuum distillation device to evaporate excess triethylenetetramine to obtain amide additives.

[0014] The obtained amide additives contain substance A: N-(2-(2-(2-aminoethylamino)ethylamino)ethyl)-10-(2-(8-(2-(2-(2-amino) Ethylamino)ethylamino)ethylamino)-8-oxooctyl)-5,6-dihexyl-3-cyclohexenyl)9-decenamide; Substance B: 10-2-(1,5- Bis(8-(2-(2-(2-aminoethylami...

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Abstract

The invention relates to an amide-type aid and a preparation method thereof, which belong to the field of the manufacture of a compound solid propellant. The amide-type aid is produced through the reaction of triethylene tetramine and linoleic acid dimer, and the wetting states of the solid particles of the solid propellant and an adhesive system can be markedly improved, so that the solid particles are easily dispersed, the structural strength for blocking the flow at the inner part of a medicine slurry is reduced, the yield value and the viscidity of the medicine slurry are decreased, and meanwhile, the mechanical performance of the propellant is not influenced.

Description

technical field [0001] The invention belongs to the field of composite solid propellant manufacture, and in particular relates to an amide additive and a preparation method thereof. Background technique [0002] Composite solid propellant material is composed of binder system, plasticizer, metal powder (such as aluminum powder, magnesium powder, etc.), oxidizer powder (such as ammonium perchlorate, potassium perchlorate, etc.), catalyst and related additives Solid energetic materials with high solid content. Its manufacturing process mainly includes weighing, mixing, pouring and curing molding of each component of the material formula. Pouring is a technological process carried out under the flowing state of the composite solid propellant slurry. The performance of the slurry is directly related to the pourability and leveling of the composite solid propellant, and ultimately affects the quality of the product. Since the 1960s, the composite solid propellant industry at ho...

Claims

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Application Information

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IPC IPC(8): C06D5/00
Inventor 何宜丰崔瑞禧郑化杨香萍殷以华聂教荣段军鸿牛草坪宋怀兵
Owner HUBEI SANJIANG AEROSPACE JIANGHE CHEM TECH
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