- Dow Toray developed a silicone removal technology for recycling airbag substrate materials.
- Sky Clean MX-5500 enables high silicone removal rates without damaging resin substrates.
Dow Toray Co., Ltd., headquartered in Shinagawa Ward, Tokyo, has announced the development of a new silicone decomposition and removal technology designed to support the recycling of substrate materials used in airbags. The technology is expected to contribute to horizontal recycling processes for automotive airbag materials by enabling the efficient removal of silicone coatings from resin-based substrates. The company stated that the solution can also be expanded to additional resin substrate materials and broader industrial applications in the future.
Airbags commonly use nylon or polyester resin substrate materials coated with silicone to achieve the required durability and performance characteristics. However, recycling these materials has remained a major challenge because removing silicone coatings without damaging the underlying substrate has been difficult with conventional methods. Existing technologies have struggled to deliver the silicone removal rates necessary for effective horizontal recycling, limiting the reuse potential of these materials within the automotive sector.
To address this challenge, Dow Toray Co., Ltd. collaborated with Musashi Techno Chemical Co., Ltd., a cleaning agent manufacturer based in Taito Ward, Tokyo. Through this partnership, the companies developed a new cleaning agent named “Sky Clean MX-5500.” The solution selectively dissolves and chemically decomposes silicone coatings while preserving the integrity of the resin substrate material. According to the companies, this process achieves a significantly higher silicone removal rate compared with conventional approaches.
Key Features of Sky Clean MX-5500 Technology
The newly developed cleaning solution has been designed to improve recycling efficiency for silicone-coated resin materials used in automotive safety systems. By selectively targeting silicone layers without affecting nylon or polyester substrates, the technology supports material recovery while maintaining substrate quality for potential reuse applications.
- Selectively dissolves and decomposes silicone coatings
- Preserves resin substrate material integrity
- Supports horizontal recycling of airbag materials
- Achieves higher silicone removal efficiency
- Potential for expansion into additional resin applications
Potential Applications Beyond Automotive Airbags
While the initial focus of the technology is on automotive airbag substrate recycling, the companies indicated that the process could be expanded to other resin substrate materials and industrial sectors. The ability to efficiently separate silicone coatings from resin materials may create opportunities in industries where coated substrates are widely used. The development also aligns with broader industry efforts to improve material circularity and reduce waste generation in manufacturing and end-of-life product processing.
Silicone Removal Technology Development Overview
The following table summarizes the major aspects of the newly announced recycling technology and cleaning solution.
| Category | Details |
|---|---|
| Technology Purpose | Recycling of silicone-coated airbag substrate materials |
| Developed By | Dow Toray Co., Ltd. and Musashi Techno Chemical Co., Ltd. |
| Cleaning Agent | Sky Clean MX-5500 |
| Core Function | Selective silicone dissolution and decomposition |
| Target Materials | Nylon and polyester resin substrates |
| Key Benefit | High silicone removal rate without substrate damage |
Frequently Asked Questions
What is the purpose of Dow Toray’s silicone removal technology?
The technology is designed to enable the recycling of silicone-coated airbag substrate materials by efficiently removing silicone layers without damaging the resin substrates. This supports horizontal recycling processes for nylon and polyester-based automotive airbag materials. Conventional recycling methods faced limitations because silicone coatings were difficult to separate while preserving substrate quality. The newly developed solution aims to improve material recovery efficiency and expand recycling possibilities for resin-based materials used in automotive and industrial applications.
What is Sky Clean MX-5500?
Sky Clean MX-5500 is a newly developed cleaning agent created by Dow Toray and Musashi Techno Chemical Co., Ltd. The solution selectively dissolves and chemically decomposes silicone coatings applied to resin substrate materials. Its key advantage is the ability to achieve high silicone removal rates while maintaining the integrity of nylon and polyester substrates. The technology is intended for recycling applications involving airbag materials and may also be adapted for additional industrial resin substrate recycling processes in the future.
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