Water-Soluble Dishwashing Pouch Chemistry for Clearer Glassware
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Solution Overview
Problem
Existing water-soluble automatic dishwashing detergent pouches do not effectively enhance the clarity and shine performance of glassware, which is a key aspect of glass care performance desired by consumers.
Innovation Solution
Incorporating dipicolinic acid and/or its salt with polyepoxy succinic acid polymer into the detergent composition enclosed by a water-soluble film, which can be formulated in single or multi-compartment pouches, to improve glass care performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional detergent compositions are used in water-soluble pouches, then the pouch provides basic cleaning function, but the glass care performance (clarity and shine) is insufficient
Solution Approach 1:
The patent applies parameter changes by modifying the chemical composition parameters of the detergent formulation. Specifically, it incorporates dipicolinic acid and polyepoxy succinic acid polymer at optimized concentrations (dipicolinic acid: 0.1-5.0 wt%, polyepoxy succinic acid polymer: 0.05-2.0 wt%) to enhance glass care performance. This chemical parameter modification directly improves clarity and shine without compromising overall cleaning effectiveness.
Solution Approach 2:
The patent employs composite materials by combining dipicolinic acid with polyepoxy succinic acid polymer in a synergistic formulation. This composite approach leverages the film-forming and protective properties of polyepoxy succinic acid polymer alongside the chelating and cleaning properties of dipicolinic acid, creating a detergent composition that delivers superior glass care performance with enhanced clarity and shine.
2Reliability
If dipicolinic acid and polyepoxy succinic acid polymer are added to improve glass care, then clarity and shine performance improve, but the complexity of the detergent formulation increases
Solution Approach 1:
The patent merges multiple functions into a single integrated formulation by combining dipicolinic acid and polyepoxy succinic acid polymer in one detergent composition. This unified approach eliminates the need for separate treatment steps or additional packaging compartments, simplifying the overall system while achieving enhanced glass care performance through the synergistic interaction of the two components.
3Ease of manufacture
If the pouch is designed as single-compartment for simplicity, then ease of manufacture improves, but the ability to protect different detergent components is reduced
Solution Approach 1:
The patent applies parameter changes by optimizing the pH range (7.0-11.0) and ionic strength of the detergent composition to ensure stability of both dipicolinic acid and polyepoxy succinic acid polymer in a single-compartment aqueous environment. This parameter optimization allows multiple functional components to coexist stably without requiring physical separation, maintaining manufacturing simplicity while ensuring composition 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 combination of dipicolinic acid and polyepoxy succinic acid polymer significantly enhances the clarity and shine of glassware after washing, providing superior glass care performance.
Implementation Method 1
The inventors have found that the combination of dipicolinic acid and/or salt thereof with polyepoxy succinic acid polymer improves the glass care performance of the pouch, and especially provides clear glassware after treatment.
Data Source
AI summary
A water-soluble automatic dishwashing detergent pouch includes an automatic dishwashing detergent composition that is enclosed by a water-soluble film. The automatic dishwashing detergent composition includes from about 1.0 g to about 20 g dipicolinic acid and/or salt thereof; and from about 0.1 g to about 5.0 g polyepoxy succinic acid polymer. A method of washing dishware in an automatic dishwashing machine includes contacting the pouch with dirty dishware in an automatic dishwashing machine in the presence of water.