Xyloglucan Gel Cleaning Composition for Uniform Dissolution

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Solution Overview

Problem

Conventional gel cleaning agents using xyloglucan face issues with uniform dissolution, leading to reduced syneresis properties, foaming properties, and tearing or blistering, and the use of sodium lauroyl methylalanine in low concentrations results in inadequate appearance, hardness, and foaming properties.

Innovation Solution

A gel cleaning agent formulation comprising 0.8% to 4.5% xyloglucan, 7.5% to 22.5% sodium lauroyl methylalanine, 40% to 50% polyhydric alcohol, and 30% to 35% water, with a pH of 7.5 or less, and a production method involving cooling solidification and aging to enhance uniformity and hardness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If xyloglucan is used as a gel base in conventional formulations, then gel structure is formed, but uniform dissolution is difficult resulting in reduced syneresis properties and foaming properties

Engineering Contradiction:
Improvegel structure stabilityVSAvoiduniform dissolution
Core Design Contradiction:
Stability of the object's compositionVSManufacturing precision

Solution Approach 1:

The patent changes the chemical composition parameters by introducing sodium lauroyl methylalanine at optimized concentrations (0.1-10% by weight) and adjusting pH to 2-8, which transforms the dissolution behavior of xyloglucan and enables uniform gel formation with improved syneresis and foaming properties

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite gel system combining xyloglucan with sodium lauroyl methylalanine and polyhydric alcohols, where the interaction between these components enhances mutual solubility and produces a gel with superior uniformity, syneresis resistance, and foaming characteristics compared to pure xyloglucan gels

Inventive Principle:
Principle #40Composite materials

2Stability of the object's composition

If low concentration of sodium lauroyl methylalanine is used (0.01-0.75 parts by weight), then formulation stability is maintained, but appearance transparency and hardness are insufficient

Engineering Contradiction:
Improveformulation stabilityVSAvoidgel hardness
Core Design Contradiction:
Stability of the object's compositionVSStrength

Solution Approach 1:

The patent optimizes the concentration parameter of sodium lauroyl methylalanine to 0.1-10% by weight and controls pH within 2-8, which significantly enhances gel hardness and transparency while preserving formulation stability through balanced interaction with xyloglucan and polyhydric alcohols

Inventive Principle:
Principle #35Parameter changes

3Object-generated harmful factors

If conventional soap base liquid containing 10% sodium lauroyl methylalanine aqueous solution is used, then foaming action is provided, but the actual content (0.01-0.14% by weight) is too small to provide excellent appearance and hardness

Engineering Contradiction:
Improvefoaming actionVSAvoidsodium lauroyl methylalanine content
Core Design Contradiction:
Object-generated harmful factorsVSQuantity of substance

Solution Approach 1:

The patent directly increases the quantity parameter of sodium lauroyl methylalanine to 0.1-10% by weight in the gel composition, which simultaneously provides sufficient foaming action and achieves excellent appearance transparency and hardness that were unattainable with conventional low concentrations

Inventive Principle:
Principle #35Parameter changes

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 solution achieves a gel cleaning agent with excellent transparency, hardness, and usability, addressing the uniformity and stability issues of previous formulations.

Implementation Method 1

gel cleaning agents are known (e.g., Patent Literature 1 to Patent Literature 5). In all of these prior art documents, cleaning components are supported on gel using xyloglucan

Methodology Applied
Scientific EffectGel formation: Gel

Implementation Method 2

a production method involving cooling solidification and aging to enhance uniformity and hardness

Methodology Applied
Scientific EffectCooling solidification: Freezing

Data Source

PatentEP4628568A1Gel cleaning agent and method for producing the same
Publication Date: 2025.10.08 SHISEIDO HONEYCAKE IND CO LTD
  • EP4628568A1 patent drawing
  • EP4628568A1 patent drawing
  • EP4628568A1 patent drawing

AI summary

Provided is a gel cleaning agent comprising (A) 0.8% by mass to 4.5% by mass of xyloglucan, (B) 7.5% by mass to 22.5% by mass of sodium lauroyl methylalanine, (C) 40% by mass to 50% by mass of polyhydric alcohol, and (D) 30% by mass to 35% by mass of water; wherein the polyhydric alcohol (C) comprises glycerin, and the amount of glycerin in the polyhydric alcohol is 80% by mass or more, and wherein the gel cleaning agent has a hardness at 25°C of 300 or more as measured by a rheometer.