Alkaline Hypohalite Cleaning Composition with Stable Copolymer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current surface modification chemicals, such as polyvinylpyrrolidone, are not stable in hypochlorite-based alkaline compositions, leading to instability and inability to prevent limescale formation on hydrophilic surfaces, resulting in loss of gloss and surface deterioration.
Innovation Solution
A hypohalite-based composition with a copolymer selected from COPOL-1 or COPOL-2, which maintains stability and improves gloss characteristics even at alkaline pH, preventing watermark formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If polyvinylpyrrolidone or other surface modification chemicals are used to prevent watermark formation, then surface gloss is improved, but the composition becomes unstable in hypochlorite-based alkaline environments
Solution Approach 1:
The patent changes the chemical parameters of the surface modification agent by using specific copolymers with controlled composition (containing carboxylic acid groups and amide groups in specific ratios) that remain stable in hypochlorite-based alkaline environments. This parameter change allows the composition to maintain both stability and effectiveness in preventing limescale formation.
Solution Approach 2:
The patent employs composite polymer structures (copolymers combining different functional units) that integrate both hypochlorite resistance and surface modification capabilities. The composite nature of these polymers, with specific functional group combinations, enables simultaneous achievement of chemical stability and watermark prevention in alkaline hypochlorite conditions.
2Productivity
If hypochlorite-based alkaline compositions are used for cleaning and degreasing, then cleaning performance is improved, but the composition cannot prevent limescale formation due to polymer instability
Solution Approach 1:
The patent merges the cleaning functionality of hypochlorite-based alkaline compositions with the watermark prevention capability of stable copolymers. By combining these functions into a single formulation using the specific copolymer, the composition achieves both excellent cleaning performance and effective limescale prevention without the instability issues of previous formulations.
3Ease of operation
If surface modification chemicals are used to reduce hydrophilicity, then water drying is improved, but the chemicals are incompatible with strong oxidants at alkaline pH
Solution Approach 1:
The patent modifies the chemical parameters of the surface modification agent by selecting copolymers with specific functional group compositions that are resistant to oxidation by hypochlorite at alkaline pH. This parameter change enables the polymer to maintain its watermark prevention functionality while being compatible with the harsh oxidizing and alkaline conditions.
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 effectively prevents watermark formation and maintains surface gloss both fresh and after aging, outperforming hydrogen peroxide-based formulations in cleaning and prevention of limescale deposits.
Implementation Method 1
surface modification chemicals, which make the treated surface slightly less hydrophilic so that the interaction with the surface is less pronounced and the water can dry more easily on the surface
Implementation Method 2
hypochlorite-based product at alkaline pH... having excellent cleaning, degreasing, deodorizing, and decoloring properties
Data Source
AI summary
A detergent composition having a pH equal to or greater than 12 is described, comprising a hypohalite and a copolymer selected from the group consisting of COPOL-1 and COPOL-2.