Glass Wool Composition With Fire-Resistance Enhancers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mineral wool insulations, particularly glass wool, lack sufficient fire resistance to withstand high temperatures typically encountered in building applications, limiting their use in structures requiring enhanced fire protection.
Innovation Solution
Incorporating fire-resistance enhancers like magnesium hydroxide and intumescent components within the glass wool structure, distributed evenly among the glass fibers, enhances the fire resistance by forming a foaming agent that delays detachment and shields the insulation from heat, while maintaining thermal insulation properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If glass wool insulation is used for thermal insulation, then thermal insulation performance is improved, but fire resistance is insufficient to withstand high temperatures
Solution Approach 1:
The patent combines glass wool with fire-resistance enhancers (magnesium hydroxide, aluminium trihydroxide, intumescent components) to create a composite insulation material that maintains the thermal insulation properties of glass wool while gaining fire resistance capabilities through the synergistic effects of the added components
Solution Approach 2:
The patent modifies the chemical composition parameters of the glass wool insulation by incorporating specific fire-resistance enhancers in controlled amounts (e.g., 5-20% magnesium hydroxide, 2-10% intumescent components), changing the material's thermal stability and fire resistance characteristics without significantly compromising thermal insulation performance
2Reliability
If fire-resistance enhancers are incorporated into glass wool structure, then fire resistance is improved, but manufacturing complexity increases
Solution Approach 1:
The patent combines multiple fire-resistance enhancers (magnesium hydroxide, aluminium trihydroxide, intumescent components) into a single integrated glass wool insulation product, merging their fire protection functions while maintaining a streamlined manufacturing process through standardized mixing and bonding procedures
3Reliability
If fire-resistance enhancers are distributed evenly among glass fibers, then fire resistance is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent ensures that fire-resistance enhancers are distributed throughout the glass wool structure with sufficient uniformity to provide consistent fire protection, while accepting that perfect uniformity is not required - the distribution achieves adequate local fire resistance throughout the material without demanding excessive manufacturing precision
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 enhanced glass wool insulation achieves improved fire resistance, allowing it to withstand higher temperatures and maintain integrity for extended periods, suitable for applications where traditional glass wool is inadequate.
Implementation Method 1
the magnesium hydroxide exhibits flame retardant properties by releasing water through endothermic decomposition at 330° C.
Implementation Method 2
enhances the fire resistance by forming a foaming agent that delays detachment and shields the insulation from heat
Implementation Method 3
the glass wool insulation may comprise an intumescent fire-resistant component
Data Source
AI summary
Glass wool insulation comprises:a collection of intermingled glass fibres in the form of glass wool, the glass wool having a structure formed from the intermingled glass fibres and air-filled interstices between the intermingled glass fibres, the glass fibres being present in the glass wool insulation in a quantity of at least 70% wt;optionally an organic binder present in a quantity of less than 12% wt, the organic binder being distributed within the glass wool structure and serving to retain the collection of intermingled glass fibres in the form of glass wool; anda fire-resistance enhancer notably selected from the group consisting of: hydromagnesite, magnesium hydroxide, brucite, huntite, dolomite, calcium carbonate and combination thereof, the fire-resistance enhancer being present in an amount of 1-15% wt and being distributed within the glass wool structure.