Foamed Fluoro Rubber Member with Aminosilane Charge Suppression
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional foamed fluoro rubber used in electrical equipment can cause damage to fine electrical circuits due to strong charging when peeled off from a counterpart member.
Innovation Solution
A rubber member made of foamed fluoro rubber with a controlled nitrogen atomic percentage difference between its surface and interior, achieved through surface modification with an aminosilane agent, to suppress charging during peeling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional foamed fluoro rubber is used as a buffering member, then excellent heat resistance and chemical resistance are achieved, but strong charging occurs when peeled off from a counterpart member
Solution Approach 1:
The patent applies surface treatment to modify only the surface properties of the foamed fluoro rubber while maintaining the bulk material's excellent heat resistance and chemical resistance. The surface is treated with a silane coupling agent containing an amino group, which creates a nitrogen-containing layer that suppresses charging during peeling, while the interior rubber material retains its original protective properties.
Solution Approach 2:
The patent creates a composite structure by combining foamed fluoro rubber with a silane coupling agent containing amino groups. This composite material integrates the excellent thermal and chemical resistance of the fluoro rubber base material with the charging-suppressing properties of the nitrogen-containing surface layer, achieving both requirements simultaneously.
2Ease of operation
If conventional foamed fluoro rubber is used in electrical equipment, then buffering and sealing functions are achieved, but fine electrical circuits may be destroyed due to strong charging during peeling
Solution Approach 1:
The patent applies preliminary surface treatment with a silane coupling agent containing amino groups before the rubber member contacts or peels from electrical components. This pre-treatment creates a nitrogen-containing surface layer that prevents strong charging during peeling operations, thereby protecting fine electrical circuits from damage while maintaining the rubber's buffering and sealing functions.
3Object-generated harmful factors
If surface modification with aminosilane agent is applied, then charging is suppressed, but manufacturing process complexity increases
Solution Approach 1:
The patent modifies the surface nitrogen content parameter by controlling the amount of aminosilane agent applied and the curing conditions. By adjusting parameters such as the concentration of the silane coupling agent, treatment time, and curing temperature, the surface nitrogen atomic percentage can be controlled to achieve optimal charging suppression while managing manufacturing complexity.
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 rubber member effectively suppresses charging and maintains sealing, shock resistance, and buffering properties, suitable for use with various insulating materials.
Implementation Method 1
surface modification with an aminosilane agent
Implementation Method 2
a nitrogen atomic percentage of a surface of the rubber member determined by an X-ray photoelectron spectroscopy (XPS) analysis
Data Source
AI summary
A rubber member includes foamed fluoro rubber as a base material, wherein a difference between a nitrogen atomic percentage of a surface of the rubber member determined by an X-ray photoelectron spectroscopy (XPS) analysis and a nitrogen atomic percentage of an inside of the rubber member determined by the XPS analysis is 0.5% or more and 7.5% or less.