Glass Strengthening Composition via Silane Filling
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Solution Overview
Problem
Conventional glass strengthening methods, such as chemical tempering, are limited by high heat requirements and do not effectively address the issue of glass shattering caused by micro-fissures or micro-cracks, which can lead to catastrophic breakage and injury.
Innovation Solution
A composition comprising a silane, an adhesive, and a surfactant, specifically glycidoxypropyltrimethoxysilane, acetate monomer, and nonionic fluorosurfactant, is applied to glass surfaces to fill micro-fissures and enhance adhesion, providing a non-chemically processed solution for strengthening glass, allowing for on-site application at ambient temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional chemical tempering is used to strengthen glass, then glass strength is improved, but the process requires high heat (200-500°C) which limits application to manufacturing plants only
Solution Approach 1:
The invention changes the temperature parameter from high heat (200-500°C) to ambient temperature application, enabling field strengthening without specialized manufacturing equipment while maintaining glass strength improvement through chemical composition modification
2Strength
If conventional chemical tempering with tri-potassium phosphate is used, then glass strength is improved, but the glass surface becomes pitted with irregular coverage
Solution Approach 1:
The invention introduces a surfactant as an intermediary substance that mediates between the strengthening agent and glass surface, enabling uniform distribution and penetration into micro-fissures without causing pitting or irregular coverage patterns
3Strength
If glass is strengthened through conventional tempering, then resistance to some impacts is improved, but catastrophic shattering along micro-fissures still occurs
Solution Approach 1:
The invention extracts and fills the harmful micro-fissures and surface defects that serve as failure initiation points, removing the weak links that lead to catastrophic shattering while preserving the overall glass structure and strength
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 significantly increases glass strength by at least two-fold, offering improved adhesion, optical clarity, and dimensional stability, while reducing the risk of breakage and shattering, as demonstrated by increased resistance to impact and blast testing.
Implementation Method 1
The silane may penetrate into micro-fissures or micro-cracks in the glass surface and fill the same
Implementation Method 2
The composition incorporates a surfactant... The surfactant may comprise a nonionic fluorosurfactant
Data Source
AI summary
The present invention provides a composition for strengthening glass. The composition may incorporate one or more of a surfactant, a silane, and an adhesive resin. The composition may further incorporate one or more of a water-based solvent, a defoamer, a glycerol, and an alcohol. A strengthened glass laminate may be formed of a glass base and a coating made up of the glass strengthening composition. The strengthened glass laminate may further comprise a film. The coating may adhere the film to the glass. A method for making a strengthened glass laminate may include providing a glass base and spraying the glass strengthening composition on the glass base. The present composition has the combined advantages of both optical clarity, high adhesion to glass, and dimensional stability.