Fluorinated Ether Compound Light-Resistant Surface Layer

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Solution Overview

Problem

Fluorinated ether compounds used for surface treatment lack sufficient light resistance, necessitating the development of a compound that can form a light-resistant surface layer.

Innovation Solution

A fluorinated ether compound with a poly(oxyfluoroalkylene) chain, a reactive silyl group, and a specific group (A) represented by —NR—C(O)—, where the carbonyl carbon is bonded to a carbon atom, and the poly(oxyfluoroalkylene) chain is located at the nitrogen end of the group (A), forming a light-resistant surface layer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional fluorinated ether compounds are used for surface treatment, then easy-to-clean properties are achieved, but light resistance is insufficient

Engineering Contradiction:

Improvelight resistanceVSAvoiddecomposition under light

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent modifies the molecular structure parameters of fluorinated ether compounds by introducing specific group (A) structures and controlling the positioning of poly(oxyfluoroalkylene) chains, thereby changing the chemical composition to achieve both easy-to-clean properties and improved light resistance

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention creates a composite surface layer by combining fluorinated ether compounds with silane-based reactive silyl groups, forming a hybrid organic-inorganic coating that provides enhanced durability and light resistance while maintaining the original easy-to-clean functionality

Inventive Principle:

Principle #40Composite materials

2Reliability

If surface layer durability is enhanced, then light resistance improves, but visible light transmittance must be maintained

Engineering Contradiction:

Improvelight resistanceVSAvoidvisible light transmittance

Core Design Contradiction:

ReliabilityVSIllumination intensity

Solution Approach 1:

The patent applies different functional groups at different locations within the molecule: the poly(oxyfluoroalkylene) chain at the nitrogen end provides light resistance and durability, while other parts of the molecule maintain transparency, achieving local optimization of properties

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

By carefully selecting the structural parameters of group (A) and the poly(oxyfluoroalkylene) chain length, the patent achieves a balance between light resistance and visible light transmittance, ensuring the surface layer is durable yet transparent

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 compound achieves enhanced light resistance and maintains visible light transmittance, preventing decomposition and ensuring a durable surface layer.

Implementation Method 1

a reactive silyl group

Methodology Applied

Scientific EffectHydrolysis: Hydrolysis

Data Source

PatentUS11773216B2Fluorine-containing ether compound, composition and article

Publication Date: 2023.10.03 AGC INC

AI summary

A fluorinated ether compound and a composition capable of forming a light resistant surface layer and an article are provided. The fluorinated ether compound of the present invention has a poly(oxyfluoroalkylene) chain, a reactive silyl group and a group (A) represented by —NR—C(O)— (wherein R is a hydrogen atom or an alkyl group), wherein the carbonyl carbon in the group (A) is bonded to a carbon atom, and the poly(oxyfluoroalkyiene) chain is located at the nitrogen end of the group (A).