The present invention relates to a multilayer material (1) comprising a plurality of layers (10, 10, 20) associated with one another by means of an inserted film (30, 30) that is suitable for restoring or reinforcing the adhesion of the layers during a heating operation, the film (30, 30) comprising one or more first component(s) (31) forming an assembly of particles, and one or more second component(s) (32) forming a homogeneous assembly around the particles of the first component(s) (31). The second components (32) have a fluidisation temperature (Tf32) that is less than the decomposition temperature (Td31) of the first component(s) (31) and less than the decomposition temperature (Td10, Td20) of the other layers of the multilayer material. The dimension of at least 70% or at least 80% or from 70% to 90% of the particles of the first component(s) (31) is between 0.1 micrometres and 15 micrometres. The invention also relates to a method for manufacturing a material of this kind, and also to a method for repairing or restoring the adhesion of the layers. The invention further relates to an object comprising a multilayer material of this kind, and to a method for maintaining an object of this kind.

A method is disclosed for producing a polyurethane film including the steps of depositing a prepolymer composition, drying the prepolymer composition, and crosslinking the prepolymer composition.

A method of manufacturing a transmission cover for a LiDAR sensor can include preforming a film layer configured to transmit infrared rays in a specific wavelength range, inserting the film layer into a mold and molding a first injection molded product in which the film layer bonded to a base layer by injection a base layer material into the mold. The transmission cover for a LiDAR sensor can be capable of implementing a three-dimensional exterior design with 2D and 3D shapes, while maintaining functionality of the sensor through the use of an infrared transmission film.

Disclosed herein are multi-layered optical devices including a polymeric layer disposed between and in contact with a first optical element layer and a second optical element layer, wherein the polymeric layer comprises a product of a composition comprising a self-healing component, wherein said self-healing component consists of or consists essentially of molecules comprising selfhealing moieties, wherein said composition possesses either: (a) greater than 30 wt. %, relative to the weight of the entire composition, of the self-healing component; or (b) greater than 0.015 equivalents of self-healing moieties per 100 g of the composition.

The present invention relates to a protective film for a vehicle glass with a heat shielding function and a method for manufacturing the same, and more particularly, to a protective film for a vehicle glass with a heat shielding function, which is installed on a curved surface portion of the vehicle glass without a thermoforming process to improve installability of a worker, and has an excellent heat shielding function, and a method for manufacturing the protective film.

A method for preparing a multilayer self-healing electrically conducting elastomer film, the method comprising: providing an electrically insulating substrate layer comprising an elastomer matrix; applying a first layer comprising a self-healing elastomer on top of the electrically insulating substrate layer; crosslinking the first layer comprising a self-healing elastomer with the electrically insulating substrate layer; applying a layer comprising a self-healing electrically conducting liquid metal elastomer composite comprising gallium as main phase on top of the first layer comprising a self-healing elastomer; and activating the surface of the layer comprising a self-healing electrically conducting liquid metal elastomer composite with laser to improve electric conductivity of the layer. A multilayer self-healing electrically conducting elastomer film, a method for preparing an electronic device, and an electronic device comprising the multilayer self-healing electrically conducting elastomer film.

A fuel cell for containing fuel for an aircraft has a side wall including an innermost layer configured to contact the fuel and an outermost layer. A containment gel patch is coupled to the side wall of the fuel cell. The containment gel patch is formed from isocyanate and polyol. In addition, the containment gel patch is configured to self-seal a ballistically formed hole therein, thereby reducing leakage of the fuel from the fuel cell.

A liquid containment cell includes an inner layer configured to contain a liquid, an outer layer, and a multilayer self-sealing structure disposed between the inner layer and the outer layer, where the multilayer self-sealing structure includes a plurality of sealing liner layers and further includes at least one slip layer disposed between adjacent sealing liner layers of the plurality of sealing liner layers. The at least one slip layer includes a polyethylene (PE) material, and the at least one slip layer is configured to permit at least one sealing liner layer of the plurality of sealing liner layers to move at least partially into a hole created by a projectile.