Embossed Solid Gel Detergent Portions for Stability and Dissolution
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Solution Overview
Problem
Existing detergent portion units face challenges with mechanical stability and dissolution rate, water absorption leading to adhesion issues, and inefficiency in packaging materials, which affect handling, storage, and performance.
Innovation Solution
A method for manufacturing a dimensionally stable solid gel detergent portion unit involving a detergent and gelling agent mixture, shaped through a device with embossing elements to form a strand, which is then transported and embossed for enhanced stability and packaging efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the thickness of the water-soluble film material is reduced to accelerate dissolution, then the dissolution rate is improved, but the mechanical stability of the portion units deteriorates
Solution Approach 1:
The patent uses a composite structure consisting of an outer water-soluble film and an inner water-insoluble or slow-dissolving core. This composite design allows the thin outer film to dissolve quickly (improving dissolution rate) while the inner core provides structural support and mechanical stability during handling and storage.
2Ease of manufacture
If water-soluble packaging materials are used, then the portion units can be easily packaged, but the packaging materials absorb water and cause adhesion issues during storage and handling
Solution Approach 1:
The patent extracts the water-absorbing function from the packaging material by using a water-insoluble or slow-dissolving inner core instead of fully water-soluble packaging. This eliminates the adhesion problem caused by water absorption while maintaining the benefits of water-soluble outer packaging for easy manufacturing and disposal.
Solution Approach 2:
The patent applies different material properties to different parts of the portion unit: the outer packaging uses water-soluble material for ease of manufacture and environmental friendliness, while the inner core uses water-insoluble or slow-dissolving material to prevent adhesion and maintain structural integrity during storage and handling.
3Ease of manufacture
If conventional water-soluble packaging is used, then the portion units can be manufactured simply, but the packaging materials do not contribute to product performance and increase waste
Solution Approach 1:
The patent makes the inner core serve multiple functions: it provides structural support (replacing part of the packaging function), contains the detergent composition, and contributes to washing performance through its detergent content. This eliminates the need for separate non-functional packaging materials and reduces overall waste.
Solution Approach 2:
The patent merges the packaging function with the product function by making the inner core both a structural container and a functional detergent carrier. The inner core is impregnated with detergent composition, so it serves as both packaging and active washing agent, eliminating waste from separate packaging materials.
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 method produces detergent portion units with high product and storage stability, minimal packaging, and consumer appeal, ensuring easy handling and effective dissolution.
Implementation Method 1
providing a detergent-containing and gelling agent-containing mixture... passing the detergent-containing and gelling agent-containing mixture through the shaping device such that the detergent-containing and gelling agent-containing mixture is at least partially solidified in the shaping device and a solid gel strand is formed
Data Source
AI summary
A method for manufacturing a detergent portion unit including a dimensionally stable solid gel is described. The method includes passing a detergent-containing and gelling agent-containing mixture through a shaping device such that the detergent-containing and gelling agent-containing mixture is at least partially solidified in the shaping device and a solid gel strand is formed. The solid gel strand is discharged and transported using a transport device including at least one movable conveying element and at least two side elements that can be moved synchronously with the movable conveying element. The conveying element and the side elements form a conveying path laterally delimited by the side elements. The side elements have embossing elements which project into the conveying path and create an embossment into the surface of the solid gel strand.