Multi-layer insulation blanket


Technology abstract

A Portuguese technology-based company with expertise in high performance components and subsystems has developed a multi-layer insulation blanket for thermal insulation. Its vast expertise in lightweight materials and structures, from conception/design to manufacturing and assembly/final integration has been providing components to several missions. The present technology is used to protect equipment from undesirable thermal radiation. 

Technology Description

Multi-layer insulation (MLI) blankets are used for thermal insulation, namely to block thermal radiation, in particular for use in space missions (e.g. Earth observation, telecommunications, deep space exploration…).
This thin and lightweight blanket can be used to isolate the exterior and interior of the space asset from thermal radiation thus providing a safe ambient for mechanical and electronic components. The material, typically composed of metallized polymer layers, which block radiation concentrated in the infrared (IR) and visible spectral ranges, can be manufactured by the owner of the technology in-house since they are equipped with cleanroom ISO class 6.
This technology/product can be used in several downstream applications, where thermal insulation with radiative heat transfer is critical, such as cryogenic application (science, optical instruments, medical devices…), as well as in construction market. Additionally, one can consider any possible application with temperature isolation issues, for security reason (regarding temperature), as well as for industrial devices (heat generation concerns).

Innovations & Advantages

The main advantage is the thermal insulation with a radiative barrier for vacuum and non-vacuum ambients. It can be tailored to a specific geometry, with low areal mass and thickness.
This technology maintains the thermal performance through a large temperature range.

Further Information

Typical temperature range from -250 ºC to +300 ºC.
High temperature (>700 ºC) also possible.
Thickness in the range of a few millimetres.
Mass density in the range of hundreds gram per square meter.

Current and Potential Domains of Application

Space communication: satellites, subsystems, payloads equipment, instruments and ground facilities
Industrial, medical and cryogenic devices: thermal protection
Construction: thermal protection
Transports: airplanes, trains and vehicles heat shielding