Modified Polyethyleneimine Polymer for Streak-Free Hard Surface Shine
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Solution Overview
Problem
Conventional liquid detergents often leave behind surface imperfections such as soil residues, streaks, and spots on hard surfaces, failing to provide an effective cleaning and shine benefit during light-duty dishwashing or hard surface cleaning.
Innovation Solution
A liquid cleaning composition comprising a modified polyethyleneimine polymer with a polyoxyethylene chain and a quaternization degree between 50% and 100%, combined with a surfactant, which provides fast drying and improved shine on hard surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional liquid detergents are used for cleaning hard surfaces, then cleaning action is provided, but surface imperfections such as soil residues, streaks, and spots remain
Solution Approach 1:
The invention uses a composite polymer structure combining polyethyleneimine backbone with polyoxyethylene side chains and quaternized nitrogen atoms. This composite molecular architecture provides both cleaning capability and shine benefit, eliminating surface imperfections that conventional single-function surfactants cannot remove.
Solution Approach 2:
The invention modifies the polymer parameters including quaternization degree (50-100%), polyoxyethylene chain length (1-30 units), and molecular weight (400-10,000 g/mol) to optimize both cleaning performance and shine benefit. These parameter adjustments transform the polymer into a dual-function cleaning agent that prevents surface imperfections.
2Manufacturing precision
If conventional surfactants are used alone, then cleaning action is achieved, but shine benefit is not provided
Solution Approach 1:
The modified polyethyleneimine polymer performs multiple functions simultaneously: it acts as a cleaning agent to remove soil and as a shine-providing agent to leave streak-free, spot-free surfaces. This universal dual-functionality eliminates the need for separate cleaning and polishing products.
Solution Approach 2:
The polymer combines hydrophilic polyoxyethylene chains with hydrophobic alkyl groups and cationic quaternized nitrogen atoms in a single molecular structure. This composite design enables the molecule to both clean surfaces and provide shine, addressing both cleaning effectiveness and surface appearance.
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 cleans and delivers a shine benefit on hard surfaces, addressing the limitations of existing detergents by ensuring thorough cleaning and leaving surfaces streak-free and spot-free.
Implementation Method 1
WO 2011/051646 A1 relates to compositions of a quaternised, polyamine, polypropoxylate, polyethoxylate for improving soil resistance to hard surfaces
Implementation Method 2
b) from 0.5% to 40% by weight of the composition of surfactant
Data Source
AI summary
A liquid detergent composition having a modified polyethyleneimine polymer and a surfactant to provide improved shine on hard surfaces.