Flame retardant properties of bis(3-diylpropyl)aminoisopropyl alcohol ZR-50 in refractory materials
1. Introduction
Refractories have excellent stability and durability in high temperature environments and are widely used in metallurgy, building materials, chemicals and other fields. However, with the advancement of industrial technology, the performance requirements for refractory materials are becoming increasingly high, especially in terms of flame retardant properties. As a new flame retardant, bis(3-diylpropyl)aminoisopropyl alcohol ZR-50 has gradually become a research hotspot in the field of refractory materials due to its unique chemical structure and excellent flame retardant properties. This article will introduce in detail the chemical characteristics, flame retardant mechanism, product parameters and their application in refractory materials.
2. Chemical properties of bis(3-diylpropyl)aminoisopropyl alcohol ZR-50
2.1 Chemical structure
The chemical name of ZR-50 is bis(3-diylpropyl)aminoisopropanol, and its molecular formula is C13H30N2O. The molecular structure contains two dipropyl groups and one isopropyl alcohol group, which imparts excellent flame retardant properties and chemical stability to ZR-50.
2.2 Physical Properties
| Properties | value |
|---|---|
| Molecular Weight | 230.39 g/mol |
| Appearance | Colorless to light yellow liquid |
| Density | 0.92 g/cm³ |
| Boiling point | 250°C |
| Flashpoint | 120°C |
| Solution | Easy soluble in water and organic solvents |
2.3 Chemical Properties
ZR-50 has good thermal and chemical stability, and can keep its chemical structure unchanged under high temperature environments. In addition, ZR-50 also has good dispersion and compatibility, can be compatible with a variety of refractory material substrates, and improve the overall performance of the material.
3. Flame retardant mechanism of ZR-50
3.1 Gas phase flame retardant mechanism
ZR-50 decomposes at high temperatures to produce large quantities of inert gases, such as nitrogen and carbon dioxide, which are able to dilute combustible gases and reduce the rate of combustion reactions. In addition, the free radicals generated by ZR-50 decomposition can capture the active free radicals in the combustion chain reaction, therebySuppress the progress of combustion reaction.
3.2 Condensation phase flame retardant mechanism
ZR-50 can form a stable carbon layer at high temperatures, covering the surface of the material, insulating the transfer of oxygen and heat, thereby preventing the progress of the combustion reaction. In addition, ZR-50 can also promote cross-linking reactions on the surface of the material, form a dense carbon layer, and further improve the flame retardant effect.
3.3 Cooperative flame retardant mechanism
ZR-50 has good synergistic effects with other flame retardants (such as aluminum hydroxide, magnesium hydroxide, etc.). Through synergistic action, ZR-50 can significantly improve the flame retardant performance of the material, reduce the amount of flame retardant used, and thus reduce costs.
4. Application of ZR-50 in refractory materials
4.1 Refractory bricks
The addition of ZR-50 to the refractory brick as a flame retardant can significantly improve the flame retardant performance and thermal stability of the refractory brick. By adding ZR-50, the combustion rate of the refractory bricks is significantly reduced and the refractory limit is significantly improved.
| Performance | ZR-50 not added | Add ZR-50 |
|---|---|---|
| Fuel rate (mm/min) | 2.5 | 1.2 |
| Fire resistance limit (min) | 60 | 120 |
| Thermal Stability (°C) | 1200 | 1400 |
4.2 Refractory coating
The addition of ZR-50 to the refractory coating as a flame retardant can significantly improve the flame retardant and high temperature resistance of the coating. By adding ZR-50, the combustion rate of the refractory coating is significantly reduced and the refractory limit is significantly improved.
| Performance | ZR-50 not added | Add ZR-50 |
|---|---|---|
| Fuel rate (mm/min) | 3.0 | 1.5 |
| Fire resistance limit (min) | 50 | 100 |
| High temperature resistance (°C) | 1100 | 1300 |
4.3 Refractory fiber
The addition of ZR-50 to the refractory fiber as a flame retardant can significantly improve the flame retardant performance and thermal stability of the fiber. By adding ZR-50, the combustion rate of the refractory fiber is significantly reduced and the refractory limit is significantly improved.
| Performance | ZR-50 not added | Add ZR-50 |
|---|---|---|
| Fuel rate (mm/min) | 2.8 | 1.3 |
| Fire resistance limit (min) | 55 | 110 |
| Thermal Stability (°C) | 1150 | 1350 |
5. Product parameters of ZR-50
5.1 Product Specifications
| parameters | value |
|---|---|
| Appearance | Colorless to light yellow liquid |
| Purity | ≥99% |
| Density | 0.92 g/cm³ |
| Boiling point | 250°C |
| Flashpoint | 120°C |
| Solution | Easy soluble in water and organic solvents |
5.2 How to use
ZR-50 can be added to the refractory material by direct addition or premix. The recommended amount of addition is 1-5% of the total weight of the material. The specific amount of addition can be adjusted according to actual needs.
5.3 Storage and Transport
ZR-50 should be stored in a cool, dry and well-ventilated place to avoid direct sunlight and high temperatures. Severe vibrations and collisions should be avoided during transportation to prevent packaging from being damaged.
6. Advantages and limitations of ZR-50
6.1 Advantages
- High-efficiency flame retardant: ZR-50 has excellent flame retardant properties and can significantly improve the flame retardant effect of refractory materials.
- Good thermal stability: ZR-50 can maintain its chemical structure unchanged under high temperature environments and has good thermal stability.
- Good compatibility: ZR-50 is compatible with a variety of refractory material substrates and can improve the overall performance of the material.
- Environmentally friendly and non-toxic: ZR-50 does not contain harmful substances, is environmentally friendly and meets environmental protection requirements.
6.2 Limitations
- Higher Cost: The ZR-50 is produced at a higher cost, which may increase the total cost of refractory materials.
- Addition limit: The amount of ZR-50 added needs to be strictly controlled, and excessive addition may affect other properties of the material.
7. Conclusion
Bis(3-diylpropyl)aminoisopropyl alcohol ZR-50, as a novel flame retardant, exhibits excellent flame retardant properties and thermal stability in refractory materials. Through various mechanisms such as gas-phase flame retardant, condensed phase flame retardant and coordinated flame retardant, ZR-50 can significantly improve the flame retardant effect and fire resistance limit of refractory materials. Although ZR-50 has certain limitations, its application prospects in refractory materials are broad and deserve further research and promotion.
8. Future Outlook
With the continuous development of refractory material technology, the requirements for flame retardants will become higher and higher. In the future, the research direction of ZR-50 can be focused on the following aspects:
- Reduce costs: By improving production processes and optimizing formulations, reduce the production costs of ZR-50 and improve its market competitiveness.
- Improve performance: Through molecular structure design and modification, the flame retardant performance and thermal stability of ZR-50 are further improved.
- Expand application: Explore the application of ZR-50 in other materials (such as plastics, rubber, etc.) and expand its application areas.
Through continuous research and innovation, ZR-50 is expected to play a greater role in refractory materials and other fields, and make greater contributions to industrial production and environmental protection.
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