HFE-356 Ethers and Fluorine Oil Composition for Miscible Coatings

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Solution Overview

Problem

There is a need for a novel composition that includes 1,1,1,3,3,3-hexafluoroisopropyl methyl ether (HFE-356mmz) and/or 1,1,2,3,3,3-hexafluoropropyl methyl ether (HFE-356mec) with fluorine oils, such as perfluoropolyether compounds, to address the lack of miscibility and effective use in coating and cleaning applications.

Innovation Solution

A composition comprising HFE-356mmz and/or HFE-356mec with fluorine oils, specifically perfluoropolyether compounds, monocarboxylic acid compounds, dicarboxylic acid compounds, or silane compounds, achieving high miscibility and transparency even at high concentrations, suitable for use as coating agents and cleaning agents.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If HFE-356mmz and/or HFE-356mec are combined with fluorine oils, then miscibility and transparency are improved, but the composition complexity increases

Engineering Contradiction:
ImprovemiscibilityVSAvoidcomposition complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent combines HFE-356mmz and/or HFE-356mec with fluorine oils (perfluoropolyether compounds, monocarboxylic acid compounds, dicarboxylic acid compounds, or silane compounds) to create a unified composition that achieves excellent miscibility and transparency. This merging of previously separate components resolves the technical contradiction by creating a homogeneous mixture that maintains stability while achieving the desired optical and physical properties.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The invention creates a composite material system consisting of HFE-356mmz and/or HFE-356mec combined with specific fluorine oil compounds. This composite approach allows the composition to exhibit enhanced properties such as improved miscibility, transparency, and coating film strength, while managing the complexity through careful selection of compatible fluorine oil types.

Inventive Principle:
Principle #40Composite materials

2Strength

If the composition is used for coating applications, then coating film strength and lubricity are improved, but the manufacturing precision requirements increase

Engineering Contradiction:
Improvecoating film strengthVSAvoidmanufacturing precision
Core Design Contradiction:
StrengthVSManufacturing precision

Solution Approach 1:

The patent utilizes parameter changes in the composition formulation, specifically controlling the ratio of HFE-356mmz and/or HFE-356mec to fluorine oil compounds, to optimize coating film strength and lubricity. By adjusting these parameters within specific ranges, the composition achieves enhanced coating performance while maintaining manufacturability through standardized production processes.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If the composition is used for cleaning applications, then cleaning effectiveness is improved, but the loss of substance increases

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidloss of substance
Core Design Contradiction:
ProductivityVSLoss of substance

Solution Approach 1:

The invention leverages phase transition properties of the HFE-356mmz and/or HFE-356mec fluorine oil composition to enhance cleaning effectiveness. The composition utilizes changes in physical state and volatility characteristics to improve cleaning performance while minimizing substance loss through controlled evaporation and degradation rates.

Inventive Principle:
Principle #36Phase transitions

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 exhibits excellent miscibility and transparency, enabling effective coating and cleaning applications with enhanced lubricity and coating film strength, while maintaining stability over time.

Implementation Method 1

The composition exhibits excellent miscibility and transparency, enabling effective coating and cleaning applications

Methodology Applied
Scientific EffectMiscibility: Solvation

Data Source

PatentEP4442781B1Composition containing fluorine oil
Publication Date: 2025.07.16 DAIKIN INDUSTRIES LTD

AI summary

The present disclosure provides a composition containing (A) 1,1,1,3,3,3-hexafluoroisopropyl methyl ether (HFE-356mmz) and/or 1,1,2,3,3,3-hexafluoropropyl methyl ether (HFE-356mec), and (B) a fluorine oil.