Liquid Laundry Detergent with Cleaning Booster Polymer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for liquid laundry detergent formulations that maintain primary cleaning performance while reducing surfactant loading and improving anti-redeposition performance, particularly for dust sebum and ground clay, amidst growing environmental sensitivity and rising material costs.
Innovation Solution
A liquid laundry detergent formulation comprising a liquid carrier, a cleaning surfactant, and a cleaning booster polymer with specific structural units of monoethylenically unsaturated carboxylic acid monomers and ethylenically unsaturated monomers, which enhances cleaning performance and anti-redeposition capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If surfactant loading is reduced to lower costs and improve environmental performance, then material costs and environmental impact improve, but primary cleaning performance deteriorates
Solution Approach 1:
The patent introduces a cleaning booster polymer as an intermediary substance that works synergistically with reduced surfactant levels to maintain cleaning performance. The polymer, containing specific functional groups (carboxylic acid, hydroxyl, amine), acts as a mediator that enhances the effectiveness of the reduced surfactant quantity, thereby resolving the contradiction between lower surfactant loading and maintained cleaning efficacy
Solution Approach 2:
The invention creates a composite detergent system combining surfactants with a specifically designed cleaning booster polymer. This composite material approach allows the system to achieve cleaning performance comparable to or exceeding traditional high-surfactant formulations while using reduced surfactant quantities, thus resolving the contradiction between material quantity and performance
2Object-affected harmful factors
If surfactant loading is reduced to improve environmental performance, then environmental sensitivity concerns are addressed, but primary cleaning performance deteriorates
Solution Approach 1:
The cleaning booster polymer serves as an intermediary that compensates for the reduced surfactant environment, maintaining cleaning effectiveness while the overall formulation uses environmentally friendlier, lower surfactant levels. The polymer's multifunctional structure enables it to bridge the gap between environmental constraints and cleaning performance requirements
3Quantity of substance
If polymer is added to reduce unit dose of surfactant, then surfactant utilization is reduced, but anti-redeposition performance may be insufficient
Solution Approach 1:
The cleaning booster polymer is designed with specific local functional qualities - carboxylic acid groups for cleaning action, hydroxyl groups for anti-redeposition, and amine groups for fabric interaction. This localized functional distribution within the polymer structure allows it to simultaneously address surfactant reduction and maintain anti-redeposition performance that simpler polymers cannot achieve
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 formulation improves primary cleaning for dust sebum and maintains good anti-redeposition performance for ground clay, achieving effective cleaning with reduced surfactant usage.
Implementation Method 1
a cleaning booster polymer, wherein the cleaning booster polymer, comprising: (a) 50 to 95 wt %, based on dry weight of the cleaning booster polymer, of structural units of a monoethylenically unsaturated carboxylic acid monomer; (b) 5 to 50 wt %, based on dry weight of the cleaning booster polymer, of structural units of an ethylenically unsaturated monomer of formula (I)
Data Source
AI summary
A liquid laundry detergent formulation is provided, comprising: a liquid carrier; a cleaning surfactant; and a cleaning booster polymer, wherein the cleaning booster polymer has structural units of a monoethylenically unsaturated carboxylic acid monomer; structural units of an ethylenically unsaturated monomer of formula (I)and,optionally, structural units of an ethylenically unsaturated monomer of formula (II)wherein x is an average of 0 to 20; wherein y is an average of 0 to 30; wherein x+y>1;wherein R1 is a —C1-4 alkyl group; and wherein R2 is selected from hydrogen and a methyl group.