Neutral Ionic Liquid Stabilization of Peroxide Explosives

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Solution Overview

Problem

Peroxide explosives like TATP pose safety challenges due to their high explosiveness and sensitivity, making handling and analysis dangerous, and existing solutions are costly and volatile, limiting their use for calibration and detection purposes.

Innovation Solution

Dissolving peroxidic explosives in neutral ionic liquids, which stabilizes them, reducing mechanical and thermal sensitivity, and allows for safe handling and scent simulation without affecting vapor pressure, enabling long-lasting scent sources for calibration and detection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If peroxide explosives are used for training and calibration, then detection systems can be validated, but safety risks increase due to high explosiveness and sensitivity

Engineering Contradiction:
Improvedetection system validationVSAvoidsafety risks
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent uses ionic liquids as an intermediary substance to dissolve peroxide explosives, creating a stable solution that maintains the explosive's scent properties for detection validation while eliminating mechanical sensitivity and reducing safety risks during handling and storage

Inventive Principle:
Principle #24Intermediary (Mediator)

2Duration of action of moving object

If peroxide explosives are dissolved in volatile solvents, then scent sources can be created, but the solvents increase volatility and reduce stability

Engineering Contradiction:
Improvescent source durationVSAvoidsolution stability
Core Design Contradiction:
Duration of action of moving objectVSStability of the object's composition

Solution Approach 1:

The patent changes the physical-chemical parameters of the solvent system by using ionic liquids with negligible vapor pressure instead of volatile organic solvents, thereby achieving both long-lasting scent sources and enhanced solution stability simultaneously

Inventive Principle:
Principle #35Parameter changes

3Object-affected harmful factors

If small amounts of peroxide explosive are used, then safety is improved, but scent source intensity decreases

Engineering Contradiction:
ImprovesafetyVSAvoidscent source intensity
Core Design Contradiction:
Object-affected harmful factorsVSQuantity of substance

Solution Approach 1:

The ionic liquid acts as a mediator that allows higher concentrations of peroxide explosive to be safely handled in solution form, maintaining or enhancing scent source intensity while the solution matrix provides safety through reduced mechanical sensitivity

Inventive Principle:
Principle #24Intermediary (Mediator)

4Measurement precision

If peroxide explosives are mechanically removed for analysis, then identification is achieved, but accidental ignition risk increases

Engineering Contradiction:
Improveexplosive identificationVSAvoidaccidental ignition risk
Core Design Contradiction:
Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The patent replaces mechanical removal and handling of explosive materials with analytical techniques that work directly on the ionic liquid solution, eliminating the need for mechanical manipulation that could cause friction or impact-induced ignition

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution provides a stable, safe, and cost-effective means to handle and simulate peroxide explosives, enhancing the reliability and duration of scent sources for training and detection systems, while preventing accidental ignition and improving forensic analysis.

Implementation Method 1

Dissolving peroxide explosives in neutral ionic liquids, which stabilizes them, reducing mechanical and thermal sensitivity

Methodology Applied
Scientific EffectDissolution: Solvation

Implementation Method 2

The almost constant evaporation rate of the peroxide explosive can be used to simulate the scent profile of a larger explosive device

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 3

The non-measurable vapor pressure of the ionic liquid does not affect the sample quality

Methodology Applied
Scientific EffectVapor pressure: Vapour Pressure

Data Source

PatentEP2443078B1Odor samples of peroxidic explosives
Publication Date: 2018.04.04 DIEHL DEFENCE GMBH & CO KG
  • EP2443078B1 patent drawingFigure 1
  • EP2443078B1 patent drawingFigure 2
  • EP2443078B1 patent drawing

AI summary

The invention relates to the use of a neutral ionic liquid for stabilizing peroxidic explosives and for producing stable solutions of peroxidic explosives. The invention further relates to stable compositions comprising a solution of a neutral ionic liquid having a detectable quantity of a peroxidic explosive, to the production thereof, and to the use thereof as an odor sample.