US2023391685A1PendingUtilityA1

Emulsion explosive composition based on hydrogen peroxide and nitrate

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Assignee: HANWHA CORPPriority: Apr 18, 2022Filed: Mar 3, 2023Published: Dec 7, 2023
Est. expiryApr 18, 2042(~15.8 yrs left)· nominal 20-yr term from priority
C06B 31/02C06B 23/006C06B 47/145C06B 21/0008
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Claims

Abstract

Proposed is an emulsion explosive composition containing 80% to 95% by weight of an oxidizing agent aqueous solution containing hydrogen peroxide, nitrate, and diethylene triamine penta(methylene phosphonic acid) (DTPMPA), 0.1% to 10% by weight of an emulsifier, and 2% to 15% by weight of an oil. The emulsion explosive composition can effectively solve self-gassing problems caused by a reaction between hydrogen peroxide and nitrate.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . An emulsion explosive composition comprising:
 80% to 95% by weight of an oxidizing agent aqueous solution comprising hydrogen peroxide, nitrate, and diethylenetriamine penta(methylene phosphonic acid) (DTPMPA);   to 10% by weight of an emulsifier; and   2% to 15% by weight of an oil.   
     
     
         2 . The composition of  claim 1 , wherein the oxidizing agent aqueous solution comprises:
 10% to 45% by weight of the hydrogen peroxide;   10% to 50% by weight of the nitrate;   to 15% by weight of the DTPMPA; and   10% to 45% by weight of water.   
     
     
         3 . The composition of  claim 1 , wherein the nitrate comprises at least one selected from the group consisting of ammonium nitrate, calcium nitrate, sodium nitrate, and magnesium nitrate. 
     
     
         4 . The composition of  claim 1 , further comprising 0.1% to 10% by weight of an oil thickener comprising at least one selected from the group consisting of hydrogenated palm oil, glucamate, cetyl alcohol, and polyquarter. 
     
     
         5 . The composition of  claim 1 , further comprising a plastic micro bubble (PMB), a glass micro bubble (GMB), or KMnO 4 .

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