Two-Component Stabilizers for Hydrogen Peroxide Cleaning Formulations

Solution Overview

Problem

Existing cleaning solutions face issues with formulation performance, color stability, odor, and extended shelf life while maintaining environmentally preferred characteristics.

Innovation Solution

A two-component stabilizer system comprising a sterically hindered phenolic antioxidant and an organic ester is used to stabilize peroxide-based cleaning solutions, enhancing the stability of active ingredients, colorants, and fragrances.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If hydrogen peroxide is used as an oxidizing agent in cleaning formulations, then cleaning performance is improved, but formulation stability deteriorates

Engineering Contradiction:

Improvecleaning performanceVSAvoidformulation stability

Core Design Contradiction:

ProductivityVSStability of the object's composition

Solution Approach 1:

The patent introduces a two-component stabilizer system consisting of a phenolic compound and an amine compound that act as intermediaries to protect the hydrogen peroxide from decomposition. These stabilizers form a synergistic relationship where the phenolic compound donates hydrogen atoms to quench free radicals, while the amine compound regenerates the phenolic radical, creating a protective mechanism that allows hydrogen peroxide to maintain both its cleaning performance and formulation stability.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent employs a composite stabilizer system combining two different chemical compounds (phenolic and amine) that work synergistically. This composite approach provides superior stability compared to single stabilizers, as the two components complement each other's mechanisms - the phenolic compound provides immediate radical quenching while the amine compound extends the protection through regeneration, creating a more robust stabilization system for the hydrogen peroxide formulation.

Inventive Principle:

Principle #40Composite materials

2Duration of action of stationary object

If stabilizers are added to improve formulation stability, then shelf life is extended, but color stability and odor characteristics deteriorate

Engineering Contradiction:

Improveshelf lifeVSAvoidcolor stability

Core Design Contradiction:

Duration of action of stationary objectVSStability of the object's composition

Solution Approach 1:

The patent optimizes the concentration parameters of the stabilizer components, specifying that the phenolic compound is present at 0.01-5% and the amine compound at 0.01-5%, with the ratio between them being carefully controlled. This parameter optimization ensures that the stabilizers provide adequate protection against decomposition without reaching concentrations that would cause unwanted side effects such as color changes or odor development, thus extending shelf life while maintaining aesthetic and sensory properties.

Inventive Principle:

Principle #35Parameter changes

3Device complexity

If conventional single-component stabilizers are used, then formulation complexity is minimized, but stabilization effectiveness deteriorates

Engineering Contradiction:

Improveformulation complexityVSAvoidstabilization effectiveness

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent introduces a two-component stabilizer system consisting of a phenolic compound and an amine compound that act as intermediaries to protect the hydrogen peroxide from decomposition. These stabilizers form a synergistic relationship where the phenolic compound donates hydrogen atoms to quench free radicals, while the amine compound regenerates the phenolic radical, creating a protective mechanism that allows hydrogen peroxide to maintain both its cleaning performance and formulation stability.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent employs a composite stabilizer system combining two different chemical compounds (phenolic and amine) that work synergistically. This composite approach provides superior stability compared to single stabilizers, as the two components complement each other's mechanisms - the phenolic compound provides immediate radical quenching while the amine compound extends the protection through regeneration, creating a more robust stabilization system for the hydrogen peroxide formulation.

Inventive Principle:

Principle #40Composite materials

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 system improves the stability and shelf life of peroxide-based formulations, maintaining performance and environmental characteristics.

Implementation Method 1

the first stabilizing agent is a sterically hindered phenolic antioxidant... the first stabilizing agent donates a hydrogen atom to a free radical to form a stable free radical

Methodology Applied

Scientific EffectFree radical quenching: Oxidation

Implementation Method 2

the stable free radical reacts with oxygen to form a peroxyl radical

Methodology Applied

Scientific EffectOxidation reaction: Oxidation

Implementation Method 3

the peroxyl radical abstracts a hydrogen atom from the first stabilizing agent to form a hydroperoxide and regenerate the stable free radical

Methodology Applied

Scientific EffectHydrogen abstraction: Oxidation

Data Source

PatentUS12421478B2Stabilization of hydrogen peroxide containing formulations with two-component synergistic stabilizers

Publication Date: 2025.09.23 ENVIROX LLC

AI summary

A cleaning solution, including: a solvent; an oxidizing agent, wherein the oxidizing agent comprises a peroxide; a stabilizing system, wherein the stabilizing system comprises a first stabilizing agent and a second stabilizing agent; a surfactant; an optional colorant; and an optional fragrance.