Three-Phase Detergent Cloth with Needled Fiber for Zeolite Dispersion

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Solution Overview

Problem

Current detergents, particularly liquid forms, lack the cleaning performance of heavy-duty detergents due to the absence of zeolites and their substitutes, which are essential for dirt adsorption and water hardness reduction, and also face issues with sustainability, dosage accuracy, and environmental impact.

Innovation Solution

A three-phase heavy-duty detergent cloth is developed, comprising a liquid continuous phase with solid components and a solid substrate, using a finite needled fiber carrier material, which allows for faster diffusion of detergent active components and incorporates biodegradable ingredients for improved sustainability and recyclability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If liquid detergent formulations are used, then dosing precision and ease of use are improved, but cleaning performance deteriorates due to the absence of zeolites and water-insoluble components

Engineering Contradiction:
Improvedosing precisionVSAvoidcleaning performance
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The detergent is divided into multiple phases: a liquid continuous phase containing surfactants and enzymes, and dispersed solid phases including zeolites and water-insoluble softeners. This segmentation allows each phase to perform its specific function optimally while maintaining the benefits of liquid detergent formulations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention creates a composite detergent system combining liquid and solid phases, integrating the cleaning power of zeolites and water-insoluble softeners with the dosing precision and ease of use of liquid formulations. The multiphase structure enables components with different solubilities to coexist and function together.

Inventive Principle:
Principle #40Composite materials

2Reliability

If solid detergent powders are used, then cleaning performance is improved through inclusion of zeolites, but dosing precision and residue control deteriorate

Engineering Contradiction:
Improvecleaning performanceVSAvoiddosing precision
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The invention changes the physical state parameters of the detergent components by creating a multiphase system where solid particles are dispersed in a liquid medium. This allows the detergent to be dosed as a liquid (providing precision) while maintaining solid components (providing cleaning performance).

Inventive Principle:
Principle #35Parameter changes

3Reliability

If conventional detergent formulations are used, then cleaning effectiveness is achieved, but environmental sustainability and biodegradability worsen

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidenvironmental impact
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The invention modifies the chemical composition parameters by selecting biodegradable surfactants and environmentally friendly additives, maintaining cleaning effectiveness while reducing environmental harm. The formulation uses components that break down naturally without persisting in the environment.

Inventive Principle:
Principle #35Parameter changes

4Reliability

If water-insoluble softeners and builders are incorporated, then cleaning performance is improved, but uniform distribution and stability deteriorate

Engineering Contradiction:
Improvecleaning performanceVSAvoiduniform distribution
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The invention utilizes the interface between liquid and solid phases, where the liquid continuous phase penetrates and coats the solid particle surfaces, ensuring uniform distribution of water-insoluble components. The dispersion mechanism creates a stable suspension where particles remain evenly distributed throughout the liquid medium.

Inventive Principle:
Principle #31Porous 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 detergent cloth achieves enhanced cleaning performance, supports short washing programs, and boasts dual sustainability features by reducing environmental impact and enabling closed recycling cycles, with improved diffusion of washing-active components and reduced microplastic and CO2 footprint.

Implementation Method 1

allows for faster diffusion of detergent active components

Methodology Applied
Scientific EffectDiffusion: Diffusion

Implementation Method 2

finite needled fiber carrier material

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 3

These support dirt adsorption and the reduction of water hardness during use

Methodology Applied
Scientific EffectAdsorption: Adsorption

Data Source

PatentEP3911726B1High-diffusion detergent wipes with dual preservative features
Publication Date: 2024.08.21 COIN CONSULTING GMBH
  • EP3911726B1 patent drawingFigure 1~2
  • EP3911726B1 patent drawing
  • EP3911726B1 patent drawing

AI summary

The invention relates to a method for producing a three-phase heavy-duty detergent wipe, wherein a dispersion is applied to a carrier material that is solid at room temperature, comprising the following steps: (a) providing a liquid detergent lotion with exothermically saponified components or soap and a water proportion of 10-30 wt.%; (b) adding solid additives to the liquid detergent lotion by means of a dispersing agent, such that the dispersion is produced with a solid proportion of 1-10 wt.%; wherein the steps (a) and (b) are carried out at ambient temperature; characterised by the following additional steps: (c) providing a carrier material made from a finite, needled fibre; (d) applying the dispersion to the carrier material by means of a moistening device, such that the carrier material statistically fixes the dispersion; wherein the steps (c) and (d) are carried out at ambient temperature.