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Emulsion explosive based on polymer emulsifier and preparation method thereof

A technology of polymer emulsifier and emulsion explosive, which is applied in the directions of explosives, non-explosive stabilizers, non-explosive/non-thermal components, etc., can solve the problems of easy demulsification, crystallization, low price, and short storage time of emulsion explosives. , to achieve the effect of improving emulsifying performance, improving stability and increasing force

Active Publication Date: 2020-12-04
HENAN HUATONG CHEMICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantage of SPAN-80 is that the source of raw materials is wide, the price is relatively low, it is easy to emulsify, and the latex matrix can be formed at a low temperature and low speed, but the molecular structure contains double bonds, which are easily broken after being oxidized. Emulsion and crystallization, so that the storage time of the emulsion explosive prepared from it is shorter

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 72 parts of ammonium nitrate, 8 parts of sodium nitrate, 5 parts of water, 0.5 part of composite polymer emulsifier, 3 parts of composite oil phase, 0.1 part of expanded perlite, 0.05 part of sodium nitrite, 0.1 part of phosphoric acid, 0.5 part of organic silicon microspheres .

[0026] Among them, the composite polymer emulsifier is compounded by polyisobutylene succinic anhydride triethanolamine, polyisobutylene succinic anhydride pentaerythritol ester, polybutene succinic anhydride xylitol ester in a ratio of 1:3:1, and the composite oil phase is the existing emulsified The oily phase commonly used in explosives.

[0027] The method steps of the above-mentioned emulsion explosive preparation based on polymer emulsifier of the present embodiment are as follows:

[0028] S1: Preparation of oil phase

[0029] S2: Aqueous phase preparation

[0030] Transport ammonium nitrate, sodium nitrate, and water to the water phase tank, melt with steam not higher than 0.4MPa, a...

Embodiment 2

[0038] 78 parts of ammonium nitrate, 12 parts of sodium nitrate, 15 parts of water, 1.5 parts of composite polymer emulsifier, 7 parts of composite oil phase, 0.3 parts of expanded perlite, 0.1 part of sodium nitrite, 0.3 parts of phosphoric acid, 1.5 parts of silicone microspheres .

[0039] The composite polymer emulsifier is compounded with polyisobutylene succinic anhydride triethanolamine, polyisobutylene succinic anhydride pentaerythritol ester, and polybutene succinic anhydride xylitol ester in a ratio of 1:5:3.

[0040] The method steps of the above-mentioned emulsion explosive preparation based on polymer emulsifier of the present embodiment are as follows:

[0041] S1: Preparation of oil phase

[0042] S2: Aqueous phase preparation

[0043] Transport ammonium nitrate, sodium nitrate, and water to the water phase tank, melt with steam not higher than 0.4MPa, and store at 115°C;

[0044] S3: emulsification

[0045] Add the oil phase in S1, the water phase in S2, th...

Embodiment 3

[0051] 75 parts of ammonium nitrate, 10 parts of sodium nitrate, 10 parts of water, 1 part of composite polymer emulsifier, 5 parts of composite oil phase, 0.2 parts of expanded perlite, 0.08 parts of sodium nitrite, 0.2 parts of phosphoric acid, 1 part of silicone microspheres .

[0052] The composite polymer emulsifier is compounded with polyisobutylene succinic anhydride triethanolamine, polyisobutylene succinic anhydride pentaerythritol ester, and polybutene succinic anhydride xylitol ester in a ratio of 1:4:2.

[0053] The method steps of the above-mentioned emulsion explosive preparation based on polymer emulsifier of the present embodiment are as follows:

[0054] S1: Oil phase preparation

[0055] S2: Preparation of aqueous phase

[0056] Transport ammonium nitrate, sodium nitrate, and water to the water phase tank, melt with steam not higher than 0.4MPa, and store at 110°C;

[0057] S3: emulsification

[0058] Add the oil phase in S1, the water phase in S2, the co...

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Abstract

The invention discloses an emulsion explosive based on a polymer emulsifier and a preparation method of the emulsion explosive. The emulsion explosive comprises the following raw materials in parts byweight: 72-78 parts of ammonium nitrate, 8-12 parts of sodium nitrate, 5-15 parts of water, 0.5-1.5 parts of a composite polymer emulsifier, 3-7 parts of a composite oil phase, 0.1-0.3 part of expanded perlite, 0.05-0.1 part of sodium nitrite and 0.1-0.3 part of phosphoric acid. Wherein the composite polymer emulsifier is prepared by compounding polyisobutylene succinic anhydride triethanolamine,polyisobutylene succinic anhydride pentaerythritol ester and polybutylene succinic anhydride xylitol ester according to a ratio of 1: 3-5: 1-3. The emulsifier provided by the invention has a good emulsifying effect, and the prepared emulsion explosive has good storage stability.

Description

technical field [0001] The invention relates to the technical field of emulsion explosives, in particular to emulsion explosives based on polymer emulsifiers and a preparation method thereof. Background technique [0002] The performance of the emulsifier plays an important role in the quality of the emulsion explosive, and the performance of the emulsifier has a relatively important influence on the explosive performance and storage performance of the emulsion explosive. Therefore, the performance of emulsifiers has been paid more and more attention by the emulsion explosives industry. [0003] At present, the emulsifier used in the production of emulsion explosives is mainly SPAN-80 emulsifier. The advantage of SPAN-80 is that the source of raw materials is wide, the price is relatively low, it is easy to emulsify, and the latex matrix can be formed at a low temperature and low speed, but the molecular structure contains double bonds, which are easily broken after being o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B31/30C06B23/00
CPCC06B23/00C06B23/006C06B31/30
Inventor 姬鹏程姚旺汪基才许昌杰
Owner HENAN HUATONG CHEMICAL CO LTD
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