Water-in-Silicone Composition for Refrigerated Transparency Shift

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Solution Overview

Problem

Existing emulsion cosmetic compositions are not transparent at refrigerated temperatures, failing to meet consumer demands for products requiring refrigerated storage and distribution, and do not provide a visually recognizable temperature change.

Innovation Solution

A water-in-silicone composition with a specific refractive index difference of 0.003 to 0.004 between the water and silicone phases, incorporating a silicone-based compound with a phenyl group, which becomes opaque at room temperature and transparent at refrigerated temperatures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If conventional emulsion cosmetic compositions are used, then the product can be stored and distributed at room temperature, but the composition is not transparent at refrigerated temperatures and cannot provide visual temperature recognition

Engineering Contradiction:

Improvetransparency at refrigerated temperaturesVSAvoidstorage temperature range

Core Design Contradiction:

TemperatureVSAdaptability or versatility

Solution Approach 1:

The patent applies parameter changes by precisely controlling the refractive index difference between the water phase and silicone phase to be 0.003 to 0.004. This specific parameter range enables the composition to transition from opaque at room temperature to transparent at refrigerated temperatures, solving the contradiction between room temperature storage compatibility and refrigerated transparency requirements

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent utilizes phase transition principles by leveraging the temperature-dependent refractive index changes of the water-in-silicone emulsion system. The specific refractive index difference (0.003 to 0.004) creates a phase transition effect where the emulsion morphology changes with temperature, causing opaque-to-transparent transition at refrigerated temperatures while maintaining stability at room temperature

Inventive Principle:

Principle #36Phase transitions

2Temperature

If the refractive index difference between water phase and silicone phase is reduced to achieve transparency at refrigerated temperatures, then the composition becomes transparent, but the composition may become too transparent at room temperature losing its opaque appearance

Engineering Contradiction:

Improverefrigerated temperature transparencyVSAvoidappearance opacity at room temperature

Core Design Contradiction:

TemperatureVSIllumination intensity

Solution Approach 1:

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent applies local quality by creating different optical properties in different temperature conditions. The emulsion system is designed to have different apparent optical characteristics at room temperature versus refrigerated temperatures, with the specific refractive index difference (0.003 to 0.004) enabling opaque appearance at room temperature and transparent appearance at refrigerated temperatures

Inventive Principle:

Principle #3Local quality

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 allows visual confirmation of storage temperature and provides a cool, refreshing sensation upon use, ensuring appropriate refrigerated storage and distribution, and offering a visually transparent experience at refrigerated temperatures.

Implementation Method 1

the difference in refractive index between the water phase and the silicone phase at room temperature is 0.003 to 0.004, and the composition becomes opaque at room temperature and transparent at refrigerated temperatures

Methodology Applied

Scientific EffectRefractive index difference: Refraction

Data Source

PatentUS20260047996A1Composition of water-in-silicone type that becomes transparent at refrigerated temperatures

Publication Date: 2026.02.19 AMOREPACIFIC CORP

AI summary

The present disclosure relates to a water-in-silicone composition that is transparent at refrigerated temperatures, and more particularly, the composition includes: a water phase; and a silicone phase, wherein the difference in refractive index between the water phase and the silicone phase at room temperature is 0.003 to 0.004, the composition is opaque at room temperature and transparent at refrigerated temperatures, allowing the temperature of the composition to be visually recognized, and furthermore, the composition can provide a cool and refreshing feeling of use in sensation not only to the touch but also to the sight when used after being stored refrigerated.