Firestop Composite Material for Directional Expansion Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fire protection elements for passage openings and conduits suffer from inefficient expansion direction control of physically acting blowing agents, leading to material being pushed laterally out, reducing closure effectiveness and increasing material usage, weight, and ecological impact.
Innovation Solution
A composite material with a carrier material and layered, physically acting blowing agents where adjacent particles are arranged substantially in parallel, controlling expansion direction to enhance closure ability while minimizing material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a physically acting blowing agent is randomly distributed and oriented in fire protection elements, then the material expands uniformly in all three spatial directions, but a large part of the expanded material is pushed laterally out of the passage opening, reducing closure effectiveness
Solution Approach 1:
The blowing agent particles are oriented asymmetrically with their expansion direction aligned perpendicular to the passage opening surface. This asymmetric orientation ensures that expansion force is directed primarily toward closing the passage opening rather than expanding uniformly in all directions, thereby reducing lateral material loss and improving closure effectiveness.
Solution Approach 2:
The invention transitions from isotropic (uniform in all directions) expansion to anisotropic expansion by controlling the orientation of blowing agent particles. By aligning particles with their expansion axis perpendicular to the passage opening, the expansion is concentrated in the dimension most critical for closure, rather than being distributed equally across all three spatial dimensions.
2Productivity
If blowing agent particles are randomly oriented, then the expansion is uniform in all directions, but the compression rate of the conduit is reduced and closure speed is insufficient
Solution Approach 1:
The blowing agent particles are asymmetrically oriented with their expansion direction perpendicular to the passage opening surface. This asymmetric arrangement concentrates expansion force in the direction needed for rapid conduit compression, thereby increasing closure speed while maintaining closure effectiveness.
Solution Approach 2:
The invention changes the orientation parameter of the blowing agent particles from random/isotropic to aligned/anisotropic. By controlling the angular orientation of particles relative to the passage opening, the expansion dynamics are modified to achieve faster compression rates and improved closure performance.
3Reliability
If more material is used to compensate for lateral pushing out, then closure effectiveness may improve, but the weight and ecological impact increase
Solution Approach 1:
By asymmetrically orienting blowing agent particles perpendicular to the passage opening, the invention maximizes the useful expansion direction. This reduces material waste from lateral pushing out, allowing adequate closure effectiveness to be achieved with less total material, thereby reducing weight and ecological impact.
Solution Approach 2:
The invention optimizes the orientation parameter of blowing agent particles to improve expansion efficiency. This parameter change reduces the total amount of material needed to achieve effective closure, thereby reducing both weight and environmental footprint.
4Reliability
If blowing agent particles are randomly oriented, then the structure is simple, but the expansion direction cannot be controlled to enhance closure ability
Solution Approach 1:
The invention controls the orientation parameter of blowing agent particles, aligning them perpendicular to the passage opening. This parameter control enables directional expansion enhancement for improved closure ability, while the alignment method itself remains relatively simple and can be achieved through conventional processing techniques.
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 controlled expansion direction improves the closure performance of fire protection elements, reduces material usage, and maintains effective sealing against smoke and fire, with enhanced resistance to mechanical stresses and thermal conductivity.
Implementation Method 1
a plurality of particles of at least one layered, physically acting blowing agent... in the event of a fire, an increased expansion in the direction of the passage opening to be closed is required
Data Source
AI summary
A composite material, a method for the production thereof, and a fire protection element containing the composite material can be used for the protection of passage openings in components in the event of fire, such as building parts, through which conduits are guided. The composite material can also be used as a fire protection element for sealing passage openings and/or joints in components.