Cracking Aerosol Composition Reducing LPG Proportion
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Solution Overview
Problem
Conventional cracking aerosol compositions require a high proportion of liquefied petroleum gas to achieve sufficient cracking characteristics, leading to a reduced number of usable aerosol product instances and increased flammability, as the proportion of liquefied petroleum gas affects the temperature dependency of pressure, resulting in unstable discharge properties.
Innovation Solution
A cracking aerosol composition with specific proportions of liquefied petroleum gas, defoaming oil, carbon dioxide, and emulsifiers, including two types of nonionic surfactants with different HLB values, which reduces the liquefied petroleum gas proportion while maintaining cracking characteristics and enhancing safety by stabilizing discharge properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the proportion of liquefied petroleum gas is increased to not lower than 60 mass % to obtain sufficient cracking characteristics, then the cracking characteristics are improved, but the number of usable times of the aerosol product decreases and the safety is reduced
Solution Approach 1:
The invention changes the compositional parameters by introducing carbon dioxide (0.1-3.5 mass %) alongside liquefied petroleum gas (20.0-55.0 mass %), and optimizes the proportions of defoaming oil (0.5-12.0 mass %) and emulsifier (0.02-1.2 mass %). This parameter adjustment allows achieving sufficient cracking characteristics with a lower liquefied petroleum gas proportion, thereby increasing the number of usable times while maintaining reliability.
2Reliability
If the proportion of liquefied petroleum gas is increased to not lower than 60 mass % to obtain sufficient cracking characteristics, then the cracking characteristics are improved, but the safety is reduced due to increased flammability
Solution Approach 1:
The invention changes the propellant composition parameters by using carbon dioxide (0.1-3.5 mass %) in combination with a reduced proportion of liquefied petroleum gas (20.0-55.0 mass %). This parameter change reduces the overall flammability of the aerosol product while maintaining sufficient cracking characteristics through the synergistic effect of the defoaming oil and emulsifier system.
3Reliability
If the proportion of liquefied petroleum gas is increased to not lower than 60 mass %, then the cracking characteristics are improved, but the discharge properties become unstable due to temperature dependency of pressure
Solution Approach 1:
The invention changes the propellant system parameters by introducing carbon dioxide (0.1-3.5 mass %) which has low temperature dependency of pressure, in combination with a controlled proportion of liquefied petroleum gas (20.0-55.0 mass %). This parameter modification stabilizes the discharge properties across different temperatures while maintaining sufficient cracking characteristics through the optimized defoaming oil and emulsifier formulation.
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 composition achieves sufficient cracking characteristics with a reduced liquefied petroleum gas proportion, increasing the aerosol product's usable instances and improving safety by minimizing temperature dependency and flammability, ensuring stable and safe discharge regardless of the environment.
Implementation Method 1
the emulsifier includes two types of nonionic surfactants having different HLB values
Implementation Method 2
the emulsifier includes two types of nonionic surfactants having different HLB values
Implementation Method 3
foam formed by foaming gradually generated in a discharge
Implementation Method 4
foam formed by foaming gradually generated in a discharge
Implementation Method 5
a defoaming oil, a lower alcohol, carbon dioxide
Data Source
AI summary
The present invention has as its object the provision of a cracking aerosol composition which has cracking characteristics in that a foam-breaking sound is generated with the spontaneous breakage of foam formed by foaming generated by the action of carbon dioxide and a liquefied petroleum gas in a flowable discharge and which can reduce the proportion of the liquefied petroleum gas. The cracking aerosol composition of the present invention is a cracking aerosol composition to be filled into an aerosol container including a pressure-resistant container having an aerosol valve, wherein the cracking aerosol composition contains a liquefied petroleum gas, water, a defoaming oil, a lower alcohol, carbon dioxide, an emulsifier and an emulsifying aid; the proportion of the liquefied petroleum gas is 20.0 to 55.0 mass %, the proportion of the defoaming oil is 0.5 to 12.0 mass %, the proportion of the lower alcohol is 5.0 to 30.0 mass %, the proportion of the carbon dioxide is 0.1 to 3.5 mass % and the proportion of the emulsifier is 0.02 to 1.2 mass %; and the emulsifier includes two types of nonionic surfactants having different HLB values, and the mass ratio of the two types of nonionic surfactants is 1:10 to 10:1.