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A kind of synthetic method of lipid polymer emulsifier for emulsion explosive

A polymer emulsifier and emulsified explosive technology, which is applied in non-explosive/non-thermal agent components, explosives, offensive equipment, etc., can solve the problems of strong corrosion of equipment, air pollution, and great harm to human body, and achieve good dispersion, Less dosage, good storage stability

Active Publication Date: 2018-12-21
GEZHOUBA YIPULI HUBEI CHANGTAI CIVIL EXPLOSIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) Chlorine gas is a poisonous gas with a strong pungent smell, which is harmful to the human body;
[0006] (2) Chlorine gas has a strong oxidant and is extremely corrosive to equipment;
[0007] (3) The hydrogen chloride gas produced in the production also has a strong corrosive effect on the equipment;
[0008] (4) The residual chlorine in the product will produce malodorous gas during use, which will pollute the atmosphere;
[0009] (5) The balance value (HLB value) of the hydrophilic and lipophilic groups in the product cannot meet the needs of the new process;
[0010] (6) The viscosity of the product is relatively high, which cannot meet the needs of the new process;
[0011] (7) The emulsifying power of the product is poor and cannot meet the needs of the new process;

Method used

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  • A kind of synthetic method of lipid polymer emulsifier for emulsion explosive

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] like figure 1 Shown, a kind of synthetic method of lipid polymer emulsifier for emulsion explosive, this synthetic method comprises the following steps:

[0029] 1) Put 15 kg of polyisobutene with high content of α-olefin and 3.5 kg of maleic anhydride under the protection of nitrogen, and carry out the alkylation reaction at 195°C by thermal addition method, and the reaction time is 4 hours to form polyisobutene Succinic anhydride (PIBSA);

[0030] 2) The reacted polyisobutylene succinic anhydride (PIBSA) with 16kg of solvent toluene and an alcohol amine, under the action of catalyst p-toluenesulfonic acid, undergoes an esterification reaction at 100°C for 3 hours to generate polyisobutylene butylene The diacid alcohol ester is the primary product of the lipid polymer emulsifier for emulsion explosives of the present invention. ;

[0031] 3) After the primary product of the lipid polymer emulsifier for emulsion explosives is separated by sedimentation in a sedimenta...

Embodiment 2

[0035] like figure 1 Shown, a kind of synthetic method of lipid polymer emulsifier for emulsion explosive, this synthetic method comprises the following steps:

[0036] 1) Put 15 kg of polyisobutene with high content of a-olefin and 3.5 kg of maleic anhydride under the protection of nitrogen, and carry out alkylation reaction at 180°C by thermal addition method, and the reaction time is 6 hours to form polyisobutene Succinic anhydride (PIBSA);

[0037] 2) The reacted polyisobutylene succinic anhydride (PIBSA) with 16kg of solvent toluene and an alcohol amine under the action of catalyst p-toluenesulfonic acid, undergoes esterification reaction at 95°C for 4 hours to generate polyisobutylene butylene The diacid alcohol ester is the primary product of the lipid polymer emulsifier for emulsion explosives of the present invention. ;

[0038] 3) After the primary product of the lipid polymer emulsifier for emulsion explosives is separated by sedimentation in a sedimentation tank...

Embodiment 3

[0042] like figure 1 Shown, a kind of synthetic method of lipid polymer emulsifier for emulsion explosive, this synthetic method comprises the following steps:

[0043] 1) Put 15 kg of polyisobutene with high content of α-olefin and 3.5 kg of maleic anhydride under the protection of nitrogen, and carry out the alkylation reaction at 200 ° C by thermal addition method, and the reaction time is 6 hours to form polyisobutene Succinic anhydride (PIBSA);

[0044] 2) The reacted polyisobutylene succinic anhydride (PIBSA) with 16kg of solvent toluene and a kind of alcohol amine under the action of catalyst p-toluenesulfonic acid, undergoes esterification reaction at 80°C for 3 hours to generate polyisobutylene butylene The diacid alcohol ester is the primary product of the lipid polymer emulsifier for emulsion explosives of the present invention. ;

[0045] 3) After the primary product of the lipid polymer emulsifier for emulsion explosives is separated by sedimentation in a sedim...

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Abstract

The invention provides a synthesis method for a lipid polymer emulsifier for emulsion explosives. The method comprises the following steps that 1, polyisobutene with the high a-olefin content and maleic anhydride are subjected to a hydrocarbylation reaction at the temperature of 190 DEG C-230 DEG C under nitrogen protection through a hot reaction method, the reaction time is 5-8 h, and high-content polyisobutylene succinic anhydride (PIBSA) is generated; 2, polyisobutylene succinic anhydride (PIBSA), a solvent methylbenzene and alcohol amine are subjected to an esterification reaction at the temperature of 90 DEG C-120 DEG C under the action of a catalyst p-toluenesulfonic acid, the reaction time is 2-6 h, and polyisobutene succinic alcohol ester, that is, the primary finished lipid polymer emulsifier for emulsion explosives is generated. The synthesis method has the advantages that due to the fact that chlorine is not contained, the problems that when an intermediate of polyisobutylene succinic anhydride (PIBSA) is generally produced by adopting a chlorine catalyzing method in China, the environment is polluted and corroded, and physical and psychological health of staff is harmed can be fundamentally solved; meanwhile, when production is conducted by adopting the method, the lipid polymer emulsifier with the excellent quality can be continuously and quickly produced.

Description

technical field [0001] The invention relates to a method for synthesizing an emulsifier, in particular to a method for synthesizing a lipid polymer emulsifier for emulsion explosives. Background technique [0002] Since the development of emulsion explosives in China for more than 30 years, SP-80 has been used in large quantities as an emulsifier for emulsion explosives for a long time. Played a big role in stability. However, with the extensive application of domestic static emulsification, high temperature sensitization or static emulsification, medium and low temperature sensitization technologies, the role of polyisobutylene succinimide emulsifiers in this production line is obviously insufficient, mainly due to the relatively low viscosity of the latex matrix. Large and poor mobility. When it is expressed in the system, the pressure of the substrate pump is too high, which is not good for safety. At the same time, because the production line is static emulsification,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F10/10C08F8/14C08F8/46C06B23/00
CPCC06B23/00C08F8/14C08F8/46C08F10/10
Inventor 黄正华习锟吕鹏飞蒋茂
Owner GEZHOUBA YIPULI HUBEI CHANGTAI CIVIL EXPLOSIVE