Intumescent Coating Material for Fire Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing intumescent coatings do not effectively delay the effects of a fire and slow the rate of temperature increase on substrates, particularly in hydrocarbon facilities, as they lack sufficient fire retardant properties and mechanical strength.
Innovation Solution
A mixture comprising at least 50% by weight of an intumescent ingredient, including a phosphorus-containing compound, gas source, carbon source, and infrared blocker, combined with a silicone polymer, cross-linker, and diluent, which forms a cured intumescent coating material that expands to create a protective char with improved insulation and mechanical strength during a fire event.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional intumescent coatings are used, then the coating provides basic fire protection, but the coating does not effectively delay temperature increase or provide sufficient mechanical strength
Solution Approach 1:
The patent uses a composite material system comprising silicone polymer, cross-linker, diluent, and intumescent ingredients (phosphorus-containing compound, gas source, carbon source, and infrared blocker). This composite formulation provides both enhanced fire protection through intumescence and improved mechanical strength through the silicone polymer matrix and cross-linking network, resolving the contradiction between fire protection effectiveness and mechanical strength.
2Reliability
If the intumescent ingredient content is increased to improve fire protection, then the fire retardant properties are enhanced, but the coating viscosity and application properties may deteriorate
Solution Approach 1:
The patent introduces a diluent as an intermediary substance to maintain proper coating viscosity and application properties while allowing high content of intumescent ingredients (at least 50% by weight). The diluent mediates between the high solid content requirement for fire protection and the fluidity requirement for easy application, enabling the coating to be both highly effective and easily applied.
3Temperature
If the coating expands significantly during fire to provide insulation, then the protective char forms effectively, but the coating may lose structural integrity
Solution Approach 1:
The patent utilizes parameter changes during fire exposure - specifically, the intumescent ingredients undergo chemical transformation when exposed to heat, expanding to form a porous protective char layer. This parameter change (from dense coating to expanded foam structure) provides superior thermal insulation while the silicone polymer matrix and cross-linking maintain structural integrity throughout the transformation process.
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 intumescent coating material significantly delays the temperature increase of substrates, providing enhanced fire protection and mechanical strength, outperforming conventional materials by maintaining insulation and structural integrity during a fire.
Implementation Method 1
Such a coating when subjected to a fire event expands to form a protective char
Implementation Method 2
The protective Char acts as a physical barrier insulating the substrate and therefore delaying the effects of a fire and slowing the rate of temperature increase
Implementation Method 3
The intumescent ingredient may comprise a phosphorus containing compound, a gas source, a carbon source
Data Source
AI summary
A mixture curable to provide an intumescent coating material. The mixture comprises a silicone polymer, a cross-linker, a diluent and an intumescent ingredient. The mixture comprises at least 50% by weight of the intumescent ingredient.