Anhydrous Oral Care Composition Using Peroxymonosulfate
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Solution Overview
Problem
Existing oral care compositions using hydrogen peroxide for teeth whitening face issues with irritation, instability in aqueous environments, and difficulty in creating homogeneous non-aqueous structures, limiting the use of alternative oxidizing agents like peroxysulfuric acid or peroxysulfates.
Innovation Solution
A non-aqueous oral care composition incorporating potassium peroxymonosulfate as a whitening agent, combined with a polyvinylpyrrolidone/vinyl acetate copolymer and specific non-aqueous dispersants such as triacetin, which stabilizes the oxidizing agent and maintains homogeneity, avoiding hydrogen peroxide and high water content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hydrogen peroxide is used as a whitening agent in high concentrations, then whitening efficacy is improved, but irritation to teeth and gums increases and stability decreases
Solution Approach 1:
The patent changes the chemical parameter from hydrogen peroxide to peroxymonosulfate, which has different stability and reactivity characteristics. This allows achieving whitening efficacy while reducing irritation and improving stability in non-aqueous environments
Solution Approach 2:
The patent uses a non-aqueous environment (inert relative to peroxide stability) to prevent decomposition of the oxidizing agent. By eliminating water, the system achieves enhanced stability while maintaining whitening efficacy
2Stability of the object's composition
If alternative oxidizing agents like peroxysulfuric acid or peroxysulfates are used, then stability in non-aqueous environments is improved, but difficulty in creating homogeneous structures increases
Solution Approach 1:
The patent introduces a surfactant as an intermediary substance that facilitates uniform distribution of peroxymonosulfate in the non-aqueous medium. The surfactant acts as a mediator between the oxidizing agent and the non-aqueous vehicle, enabling homogeneous structure formation
Solution Approach 2:
The patent creates a composite system combining peroxnymonosulfate, non-aqueous vehicle, and surfactant. This composite approach allows achieving both stability and homogeneity by leveraging the complementary properties of each component
3Stability of the object's composition
If peroxymonosulfate is used with non-aqueous liquids, then stability is improved, but difficulty in creating homogeneous structures persists
Solution Approach 1:
The surfactant serves as a mediator that enables compatible interaction between peroxnymonosulfate and non-aqueous liquids, resolving the incompatibility issue and achieving homogeneous mixing while maintaining stability
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 stable and effective teeth whitening with enhanced stability and homogeneity, outperforming hydrogen peroxide-based gels in whitening efficacy and maintaining product stability.
Implementation Method 1
Alternative oxidizing agents, such as peroxysulfuric acid or peroxysulfates, have been used as stain removing agents
Implementation Method 2
combined with a polyvinylpyrrolidone/vinyl acetate copolymer and specific non-aqueous dispersants such as triacetin, which stabilizes the oxidizing agent and maintains homogeneity
Data Source
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AI summary
An oral care composition, including a peroxysulfate whitening agent, a non-aqueous dispersant having a non-aqueous liquid, and a structural builder.