C7 Hydrocarbon Solvent Composition for Industrial Cleaning
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Solution Overview
Problem
Hydrocarbon solvents used in industrial cleaning and other applications require improved dissolving power, drying properties, and reduced harmfulness to human health, particularly in terms of odor and aromatic components.
Innovation Solution
A hydrocarbon solvent composition comprising 80 wt% or more of a C7 saturated hydrocarbon component, with specific ratios of isoparaffin and n-paraffin, and limited amounts of aromatic and sulfur components, ensuring excellent dissolving power, mild odor, and low human toxicity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If aromatic components are removed to reduce odor and harmfulness, then harmfulness to human body is reduced, but dissolving power deteriorates
Solution Approach 1:
The patent changes the compositional parameters by precisely controlling the content of C7 saturated hydrocarbons (80-99.5 wt%) and aromatic components (0.0001-1 wt%), along with other hydrocarbon components, to achieve a balance between low harmfulness and sufficient dissolving power. This parameter optimization resolves the contradiction by finding the optimal composition range that satisfies both requirements.
2Strength
If C7 saturated hydrocarbon content is increased to improve dissolving power, then dissolving power is improved, but drying property deteriorates
Solution Approach 1:
The patent optimizes the content of C7 saturated hydrocarbons to 80-99.5 wt%, which is high enough to provide excellent dissolving power but controlled within a range that maintains acceptable drying properties. This parameter control resolves the contradiction between dissolving power and drying property.
Solution Approach 2:
The patent creates a composite hydrocarbon solvent system combining C7 saturated hydrocarbons with other hydrocarbon components (C5, C6, C8 saturated hydrocarbons and aromatic components in controlled amounts). This composite composition allows the solvent to achieve both high dissolving power and acceptable drying properties by leveraging the complementary characteristics of different hydrocarbon components.
Data Source
AI summary
Provided is a hydrocarbon solvent composition including 80 wt% or more of a C7 saturated hydrocarbon component and 1 wt% or less of an aromatic component, based on the total weight of the hydrocarbon solvent composition, wherein the hydrocarbon solvent composition satisfies the following Equation 1: 5<WIC7WNC7<100