Melamine-Based Geometry Stabilizer for Polymer Jacket Fire Resistance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Elongated flexible assemblies with polymer jackets melt and drip in high temperature conditions, such as during a fire, posing a risk to surrounding components and structures.
Innovation Solution
Incorporating melamine-based compounds as geometry stabilizers in the polymer jacket to form a flow-resistant char or gel, preventing the jacket material from melting and dripping by creating an intumescent shell that maintains the jacket's integrity and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a polymer jacket is used to cover elongated tension members, then the assembly provides flexibility and protection, but the jacket material melts and drips in high temperature conditions such as during a fire
Solution Approach 1:
The patent changes the chemical composition parameters of the polymer jacket by incorporating melamine cyanurate as a flame retardant additive. This modifies the material's thermal properties to resist melting and dripping while maintaining the jacket's protective function and flexibility.
Solution Approach 2:
The patent creates a composite material system combining the base polymer jacket material with melamine cyanurate flame retardant. This composite structure provides both the mechanical properties of the polymer and the fire resistance of the melamine compound, preventing dripping while maintaining flexibility.
2Reliability
If flame retardant coating layers are applied to tension members, then fire resistance is improved, but the complexity of the assembly increases
Solution Approach 1:
The patent merges the flame retardant function with the jacket material itself by incorporating melamine cyanurate into the polymer composition. This eliminates the need for separate coating layers, maintaining fire resistance while simplifying the overall assembly structure.
Solution Approach 2:
The melamine cyanurate additive serves multiple functions: it acts as a flame retardant, a geometry stabilizer to maintain jacket shape, and a contributor to the jacket's flexibility. This multi-functionality reduces the need for additional separate components.
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 melamine-based compounds effectively prevent the polymer jacket from dripping or flowing, even in extreme heat conditions, thereby protecting nearby components and maintaining the assembly's functionality.
Implementation Method 1
the melamine based compound as a geometry stabilizer in an assembly comprising at least one elongated tension member and a jacket covering at least some of the at least one tension member... forming a flow-resistant char or gel that prevents the jacket material from melting and dripping
Data Source
Figure 1~3
Figure 4
Figure 5~7
AI summary
An exemplary assembly includes at least one elongated tension member (26). A jacket (34) covers at least some of the tension member (32). The polymer jacket (34) comprises a polymer material including a melamine based geometry stabilizer that facilitates maintaining the jacket material near the tension member if the assembly is subjected to a high temperature condition.