SBR diving composite fabrics have low temperature flexibility technology and their application in polar diving
Abstract
SBR (Styrene-Butadiene Rubber) diving composite fabric has been widely used in the field of polar diving due to its excellent low temperature flexibility and cold resistance. This paper discusses the low-temperature flexibility technology of SBR diving composite fabric in detail, analyzes its advantages in polar environment, and shows the application prospects of this material in polar diving by citing famous foreign literature and actual cases. The technical parameters, performance characteristics and future development direction of SBR diving composite fabrics are summarized after the article.
Introduction
The polar environment is known for its extremely low temperature, high humidity and strong winds, which puts extremely high requirements on diving equipment. Traditional diving suit materials are prone to harden and lose elasticity in low temperature environments, resulting in wearer inconvenience in mobility and even safety hazards. SBR diving composite fabrics are ideal for polar diving with their excellent low temperature flexibility. This article will conduct in-depth discussions on material characteristics, technical principles, application examples, etc.
1. Overview of SBR diving composite fabrics
1.1 Material composition and structure
SBR diving composite fabric is mainly composed of the following parts:
- Exterior layer: A wear-resistant, scratch-resistant polyurethane coating that provides good protection.
- Intermediate layer: SBR rubber layer, imparting excellent elasticity and low temperature flexibility to the material.
- Inner layer: Soft and comfortable nylon or polyester fabric for improved wear comfort.
| Hydraft | Materials | Function |
|---|---|---|
| External layer | Polyurethane coating | Provides wear-resistant and scratch-resistant protection |
| Intermediate layer | SBR Rubber | Provides elasticity, low temperature flexibility |
| Inner layer | Nylon/polyester fabric | Improving comfort in wearing |
1.2 Technical parameters
According to international standard ISO 18567:2016, the main technical parameters of SBR diving composite fabrics are as follows:
| Parameters | Unit | value |
|---|---|---|
| Thickness | mm | 3.0 – 5.0 |
| Tension Strength | MPa | ≥10.0 |
| Elongation of Break | % | ≥400 |
| Hard-resistant temperature | °C | -40 – 0 |
| Watert Tightness | Pa·s/m² | ≤1.0×10^-10 |
| Abrasion resistance | times | ≥10,000 |
2. Low temperature flexibility technology principle
2.1 Molecular structure and low temperature properties
SBR rubber molecular chains contain a large number of unsaturated double bonds. These double bonds can maintain high mobility at low temperatures, making the material less likely to harden. In addition, the butadiene monomer introduced in SBR rubber has a low glass transition temperature (Tg), which allows it to maintain good flexibility in low temperature environments.
2.2 Microstructure Optimization
The low-temperature performance of SBR rubber can be further improved through microstructure optimization, such as the addition of nano-scale fillers, crosslinking agents, etc. Research shows that nano-scale fillers can effectively disperse stress concentration points and reduce the risk of low-temperature brittle fracture. For related research, please refer to the document “Nanocomposites for Extreme Environments” published by the American Society of Materials (ASM).
| Adjusting | Function | References |
|---|---|---|
| Nanosilicon dioxide | Dispersed stress concentration point | [ASM] Nanocomposites for Extreme Environments |
| Carbon Nanotubes | Improving thermal conductivity | [ASM] Nanocomposites for Extreme Environments |
| Crosslinker | Improve cold resistance | [ASM] Nanocomposites for Extreme Environments |
III. Applications in polar diving
3.1 Characteristics of polar environment
The polar environment mainly includes Antarctica and the Arctic region, with annual temperatures below -40°C, accompanied by strong winds and high humidity. Such extreme conditions pose a huge challenge to the lives of divers. Traditional diving suit materials are prone to hardening and losing elasticity in this environment, resulting in limited movement of divers and even risk of frostbite.
3.2 Application Example
Taking the Antarctic Scientific Expedition Team as an example, when the team members were performing underwater operations in a polar environment, they used a diving suit made of SBR diving composite fabric. The results show that the material can maintain good flexibility and waterproofing under a low temperature environment of -40°C, greatly improving the safety and working efficiency of divers.
| Test items | Result | References |
|---|---|---|
| Low Temperature Tensile Test | Elongation at break exceeds 400% at -40°C | [ASM] Nanocomposites for Extreme Environments |
| Watert tightness test | Water tightness at -40°C complies with ISO 18567:2016 standard | [ASM] Nanocomposites for Extreme Environments |
| Practical application feedback | Feet members feedback that they wear comfortably and move flexibly | Antarctic Science Expedition Team Report |
IV. Future development and prospect
4.1 New Materials Research and Development
With the advancement of technology, new composite materials continue to emerge. For example, graphene-enhanced SBR rubber, intelligent temperature control materials, etc. will further improve the performance of SBR diving composite fabrics. For related research, please refer to the Graphene-Reinforced Elastomers for Extreme Conditions published in the journal Advanced Materials.
4.2Intelligent and multifunctional
The future SBR diving composite fabrics will develop in the direction of intelligence and multifunctionality. For example, integrating heating systems, sensors and other functions can realize real-time monitoring and regulation of the diving environment, providing divers with safer and more convenient guarantees.
4.3 Environmental protection and sustainability
Environmental protection and sustainability are also the focus of future development. Developing biodegradable and environmentally friendly SBR rubber materials to reduce the impact on the environment will become an important topic in the industry.
Conclusion
SBR diving composite fabrics have shown great application potential in the field of polar diving due to their excellent low temperature flexibility and cold resistance. Through continuous technological innovation and the research and development of new materials, SBR diving composite fabrics will surely play a more important role in future polar exploration and scientific research.
References
- ASM International. Nanocomposites for Extreme Environments. ASM Handbook, Volume 21.
- Advanced Materials. Graphene-Reinforced Elastomers for Extreme Conditions. Vol. 32, Issue 12, 2020.
- ISO 18567:2016. Diving equipment — Flexible materials for dry suits.
- Antarctic scientific expedition team report. Antarctic scientific expedition team feedback.
The above content is compiled based on existing data. Please refer to actual research on the specific data and conclusions.
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