New uses of tertiary amine polyurethane catalyst BL-17 in aerospace

admin 3月 14th, 2025 News

Term amine polyurethane catalyst BL-17: The “behind the scenes” in the aerospace field

In the field of aerospace, behind the birth of every high-tech product, the support of countless fine materials and complex processes is inseparable. Among them, there is a seemingly inconspicuous but crucial role – the tertiary amine polyurethane catalyst BL-17. It is like a low-key behind-the-scenes director, silently promoting the development of the entire industry.

What is tertiary amine polyurethane catalyst BL-17?

Definition and Function

Term amine polyurethane catalyst BL-17 is a highly efficient chemical catalyst specially used to accelerate the reaction between isocyanate and polyol to produce excellent polyurethane materials. This catalyst stands out in many industrial fields due to its unique molecular structure and excellent catalytic properties, especially in the industry where materials are extremely demanding, and plays an indispensable role.

Chemical Properties

From a chemical point of view, BL-17 is a tertiary amine compound and has the following key characteristics:

parameters	Description
Molecular formula	C8H15N
Molecular Weight	127.2 g/mol
Density	0.93 g/cm³
Melting point	-40°C
Boiling point	220°C

These parameters not only determine their stability and ease of use at room temperature, but also affect their performance in high-temperature and high-pressure environments, which is crucial for aerospace applications.

The traditional use of BL-17 in the aerospace field

Before entering the discussion of new uses, let us first review the traditional application of BL-17 in the aerospace field. From aircraft seats to cabin interior decoration to fuel system components, the BL-17 is everywhere. Its main function is to promote the formation of polyurethane foam, which has become an ideal choice for aerospace design due to its lightweight, high strength and sound insulation properties.

Exploration and Discovery of New Uses

As technology advances and changes in demand, researchers have begun to explore more potential applications of BL-17. Here are a few exciting new directions:

Lightweight composites

Elevate the aircraftEfficiency

In the pursuit of more efficient and environmentally friendly aircraft design, lightweight has become one of the key goals. By using BL-17 optimized polyurethane-based composites, it not only reduces the weight of the aircraft, but also enhances structural strength, thereby improving fuel efficiency and reducing carbon emissions.

Material Type	Density (g/cm³)	Strength (MPa)
Aluminum alloy	2.7	69
Polyurethane composite	0.8	85

As shown in the table above, polyurethane composites provide higher strength while maintaining lower density, which is exactly what the modern aerospace industry needs.

Improved high temperature tolerance

Meet extreme environmental challenges

Aerospace vehicles often have to face the challenge of extreme temperature changes, from the cold altitudes within the Earth’s atmosphere to the vacuum environment in outer space, with severe temperature fluctuations. By adjusting the dosage and formulation of BL-17, the high temperature tolerance of polyurethane materials can be significantly improved, so that it can maintain stable performance at higher temperatures.

Self-Healing Coating Technology

Extend service life

Self-repair coating technology is a cutting-edge technology that has emerged in recent years, aiming to extend the service life of materials and reduce maintenance costs. The application of BL-17 in this field is mainly reflected in promoting the microencapsulation process, so that the coating can automatically release the repair agent and repair itself when damaged.

Status of domestic and foreign research

Domestic research progress

In China, many scientific research institutions such as Tsinghua University and the Chinese Academy of Sciences are actively carrying out research on BL-17 and its related applications. For example, the School of Materials Science and Engineering of Tsinghua University recently published a paper that explored the specific application cases of BL-17 in lightweight composite materials in detail.

International Research Trends

Internationally, NASA and European Airbus are also investing heavily in research on similar technologies. A NASA study shows that using BL-17 modified polyurethane material can effectively reduce noise pollution during rocket launch, while Airbus has used this material on the new commercial aircraft A350 XWB to reduce the weight of the fuselage.

Conclusion and Outlook

Term amine polyurethane catalyst BL-17 is not just a chemical reagent, it is an important tool to promote the advancement of aerospace technology. With the continuous advancement of new materials science,We believe that BL-17 will play a more extensive and far-reaching role in the future. Whether it is making our sky cleaner or making interstellar travel more feasible, BL-17 is quietly changing the world. As the old saying goes, “Small roles, big achievements.”