Foamable Cleaning Composition Tissue Paper Soak-Through

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Solution Overview

Problem

Conventional methods for personal care hygiene, such as water/soap/drying routines and wet wipes, are inconvenient when traveling and can lead to ineffective cleaning, irritation, and potential infections. Foamable cleansing compositions have stability issues when applied to tissue paper, causing quick absorption and tearing.

Innovation Solution

A composition comprising at least 70% water, 0.1-1% gelling agent, and 0.1-10% foaming surfactant, which improves foam stability and reduces soak-through speed on tissue paper, maintaining effectiveness without rinsing and minimizing waste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If foamable cleansing composition is applied to tissue paper, then cleansing action is effective, but foam stability is insufficient causing quick absorption and paper tearing

Engineering Contradiction:

Improvecleansing action effectivenessVSAvoidfoam stability

Core Design Contradiction:

ReliabilityVSStability of the object's composition

Solution Approach 1:

The patent changes the physical-chemical parameters of the foamable composition by adjusting surfactant concentration (0.1-10% wt), adding gelling agents (0.1-1% wt), and modifying pH levels to optimize foam stability while maintaining cleansing effectiveness on tissue paper

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite foamable composition combining multiple surfactants (anionic, nonionic, amphoteric), gelling agents, and auxiliary ingredients to achieve synergistic effects that improve foam stability without compromising the cleansing action on tissue paper

Inventive Principle:

Principle #40Composite materials

2Ease of operation

If foamable composition is used for personal hygiene, then convenience is improved, but soak through speed is too fast causing paper tearing

Engineering Contradiction:

Improveconvenience of useVSAvoidsoak through speed

Core Design Contradiction:

Ease of operationVSSpeed

Solution Approach 1:

The patent modifies the composition parameters including viscosity (through gelling agents), surface tension (through surfactants), and foam structure to control the soak through speed, reducing it to prevent paper tearing while maintaining ease of application and use

Inventive Principle:

Principle #35Parameter changes

3Reliability

If conventional water/soap method is used, then thorough cleanliness is achieved, but portability is poor when traveling

Engineering Contradiction:

Improvecleanliness effectivenessVSAvoidportability

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent utilizes the phase transition capability of the composition, which can be stored as a stable liquid or foamable concentrate and transforms into a stable foam upon application, providing thorough cleanliness similar to conventional methods while being portable and convenient for travel use

Inventive Principle:

Principle #36Phase transitions

4Reliability

If wet wipes are used for cleaning, then cleansing action is effective, but environmental impact increases due to waste that cannot be flushed

Engineering Contradiction:

Improvecleansing actionVSAvoidenvironmental waste

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent employs disposable tissue paper that can be flushed, replacing non-flushable wet wipes. The foamable composition is applied to single-use tissue paper that disintegrates in water, providing effective cleansing while eliminating the environmental waste problem associated with traditional wet wipes

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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 provides enhanced cleaning, stability, and skin tolerance, with improved foam retention and reduced paper tearing, ensuring effective personal hygiene without the need for rinsing or costly ingredients, while being environmentally friendly.

Implementation Method 1

0.1 to 1 % by weight of at least one gelling agent, relative to the total weight of the composition

Methodology Applied

Scientific EffectGel formation: Gel

Implementation Method 2

0.1 to 10% by weight, of at least one surfactant including at least one foaming surfactant

Methodology Applied

Scientific EffectSurface tension reduction: Surface Tension

Implementation Method 3

Foamable cleansing compositions have already been described in DE 10 2009 013 268

Methodology Applied

Scientific EffectFoam formation: Foam

Data Source

PatentEP2723304B1Cleaning composition comprising a gelling agent and a foaming surfactant

Publication Date: 2018.10.03 ESSITY OPERATIONS FRANCE SAS

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AI summary

The present invention relates to a composition for cleaning, in particular for cleansing of the skin and/or mucous membranes, in particular a personal care cleansing composition, to be applied onto tissue paper, in particular toilet paper. The present invention also relates to the use of said composition.