Coated and Laminated Textiles for Aerostats and Airships: Material Challenges and Technology

The article discusses the exclusive title on materials used for LTA (lighter than air) envelopes, which covers material challenges such as selection of suitable fiber, polymer, additive, coating/lamination technique, joint type, sealing technique, and typical materials developed by different companies and researchers worldwide. It also includes case studies on material developed for aerostat/airship by different countries.

Format: Hardback
Length: 340 pages
Publication date: 29 March 2022
Publisher: Taylor & Francis Ltd

The selection of suitable materials for the construction of lighter-than-air (LTA) envelopes is a complex task that requires careful consideration of various factors. This article aims to provide an in-depth exploration of the challenges involved in material selection and the development of LTA envelopes.

The first challenge in material selection is the choice of suitable fiber for making fabric. The fiber must have high strength-to-weight ratio, good thermal and chemical resistance, and excellent durability. Additionally, the fiber must be able to withstand the stresses and strains imposed by the LTA environment, including high winds, temperature fluctuations, and UV radiation.

Another challenge is the selection of appropriate polymer for coating/lamination. The polymer must have good adhesion to the fiber, high durability, and excellent resistance to environmental factors such as UV radiation, water, and chemicals. Additionally, the polymer must be able to withstand the stresses and strains imposed by the LTA environment, including high winds, temperature fluctuations, and UV radiation.

To improve the polymer properties, additives such as fillers, reinforcements, and stabilizers can be used. These additives can enhance the strength, stiffness, and durability of the polymer, while also improving its thermal and chemical resistance.

The coating/lamination technique is another critical factor in material selection. The technique must be able to provide a strong and durable bond between the fiber and the polymer, while also ensuring that the coating/lamination is uniform and free from defects.

The joint type and sealing technique are also important factors in material selection. The joint type must be able to withstand the stresses and strains imposed by the LTA environment, while the sealing technique must be able to prevent the ingress of water, air, and other environmental elements.

Several companies and researchers worldwide have developed a wide range of materials for LTA envelopes. These materials include carbon fiber, aramid fiber, glass fiber, and Kevlar. Each material has its own unique properties and advantages, and the selection of the appropriate material depends on the specific requirements of the LTA application.

In conclusion, the selection of suitable materials for the construction of LTA envelopes is a complex task that requires careful consideration of various factors. The choice of suitable fiber, polymer, additive, coating/lamination technique, joint type, and sealing technique is critical to the success of the LTA application. By understanding the challenges involved in material selection and developing innovative solutions, it is possible to create LTA envelopes that are safe, reliable, and efficient.

Dimension: 234 x 156 (mm)
ISBN-13: 9781138360693