Abstract: An adhesion promoter composition is including one or more reactive silanes, one or more swelling agents, and one or more organic solvents, where the one or more reactive silanes forms a complex with the one or more swelling agents is disclosed. The one or more reactive silanes may include an amine functional group, an epoxy functional group, a mercapto functional group, an isocyanate functional group, or a combination thereof. The one or more swelling agents is selected from a group which may include phenol or naphthol derivatives. A composite part including the adhesion promoter composition and a method for applying the adhesion promoter composition is also disclosed.

Abstract: The present disclosure relates to a cold spray metal process for providing an electrical connection within a multilayered composite article. The present disclosure relates to a cold sprayed metal coated article or a structural component having a polymeric composite material having at least one surface, a thermoplastic electrochemical insulating layer on the at least one surface, an electrical circuit may include a cold sprayed metal coating present on at least a portion of a surface of the electrochemical insulating layer, and at least one additional layer, the at least one additional layer encapsulating at least a portion of the cold sprayed metal between the additional layer and the electrochemical insulating layer. The structural component may include a cold sprayed metal coating having one or more non-continuous segments, where the one or more non-continuous segments are not in lateral contact with one another.

Abstract: A filter comprises a support substrate. A film is disposed on the support substrate, the film comprising a polymer matrix material and a filler. The filler has a particle size distribution configured to filter a desired range of wavelengths of light, the particle size distribution having been achieved by extrusion. An extrudable composition is also disclosed. The extrudable composition comprises a polymer matrix material and a filler. The filler has an average particle size ranging from about 1 nm to about 700 nm and a concentration ranging from 0.001 weight % to 0.3 weight %, relative to the total weight of the extrudable composition.

Abstract: An adhesion promoter composition is including one or more reactive silanes, one or more swelling agents, and one or more organic solvents, where the one or more reactive silanes forms a complex with the one or more swelling agents is disclosed. The one or more reactive silanes may include an amine functional group, an epoxy functional group, a mercapto functional group, an isocyanate functional group, or a combination thereof. The one or more swelling agents is selected from a group which may include phenol or naphthol derivatives. A composite part including the adhesion promoter composition and a method for applying the adhesion promoter composition is also disclosed.

Abstract: A multilayered article is disclosed, the multilayered article including a thermosetting polymer material having at least one surface, a thermoplastic polymer layer deposited on the at least one surface of the thermosetting polymer material, a cold sprayed metal layer present on at least a portion of a surface of the thermoplastic polymer layer, at least one additional layer, the at least one additional layer sandwiching at least a portion of the cold sprayed metal layer between the additional layer and the thermoplastic polymer layer, where the thermoplastic polymer layer has a crystallinity of about 5% to about 60%. A method of providing a composite laminate structure is also disclosed.

Abstract: The present disclosure generally relates to coatings and compositions comprising conductive polymers. The present disclosure also relates to thermally stable coatings and compositions comprising solution processable polyaniline conducting polymers and thermal stability agents, and to processes for preparing the coatings and compositions.

Abstract: A multilayered article is disclosed, the multilayered article including a thermosetting polymer material having at least one surface, a thermoplastic polymer layer deposited on the at least one surface of the thermosetting polymer material, a cold sprayed metal layer present on at least a portion of a surface of the thermoplastic polymer layer, at least one additional layer, the at least one additional layer sandwiching at least a portion of the cold sprayed metal layer between the additional layer and the thermoplastic polymer layer, where the thermoplastic polymer layer has a crystallinity of about 5% to about 60%. A method of providing a composite laminate structure is also disclosed.

Abstract: The present disclosure relates to a cold spray metal process for providing an electrical connection within a multilayered composite article. The present disclosure relates to a cold sprayed metal coated article or a structural component having a polymeric composite material having at least one surface, a thermoplastic electrochemical insulating layer on the at least one surface, an electrical circuit may include a cold sprayed metal coating present on at least a portion of a surface of the electrochemical insulating layer, and at least one additional layer, the at least one additional layer encapsulating at least a portion of the cold sprayed metal between the additional layer and the electrochemical insulating layer. The structural component may include a cold sprayed metal coating having one or more non-continuous segments, where the one or more non-continuous segments are not in lateral contact with one another.

Abstract: A filter comprises a support substrate. A film is disposed on the support substrate, the film comprising a polymer matrix material and a filler. The filler has a particle size distribution configured to filter a desired range of wavelengths of light, the particle size distribution having been achieved by extrusion. An extrudable composition is also disclosed. The extrudable composition comprises a polymer matrix material and a filler. The filler has an average particle size ranging from about 1 nm to about 700 nm and a concentration ranging from 0.001 weight % to 0.3 weight %, relative to the total weight of the extrudable composition.

Abstract: A method of controlling a particle size distribution of a filler in an extrudable composition comprises introducing an extrudable composition comprising a polymer matrix material and a filler into an extruder, the filler having a first average particle size that is larger than a target average particle size. The extrudable composition is extruded one or more times using the extruder to reduce the size of the filler from the first average particle size to a reduced average particle size, the reduced average particle size being within 10% of the target average particle size.

Abstract: A method of controlling a particle size distribution of a filler in an extrudable composition comprises introducing an extrudable composition comprising a polymer matrix material and a filler into an extruder, the filler having a first average particle size that is larger than a target average particle size. The extrudable composition is extruded one or more times using the extruder to reduce the size of the filler from the first average particle size to a reduced average particle size, the reduced average particle size being within 10% of the target average particle size.

Abstract: An example method includes: forming a conductive layer on at least a portion of a surface of a substrate, where the substrate comprises a composite material of an aerodynamic structure, and where the conductive layer is configured to provide a conductive path to conduct an electric current generated by a lightning strike to an electrically-grounded location; depositing an insulating layer on the conductive layer; removing one or more portions of the insulating layer to form respective gaps in the insulating layer and expose corresponding one or more portions of the conductive layer; and forming a resistive-heater layer on the insulating layer such that the resistive-heater layer fills the respective gaps in the insulating layer and contacts the corresponding one or more portions of the conductive layer, such that when electric power is provided to the conductive layer, the electric power is communicated to the resistive-heater layer thereby generating heat therefrom.

Abstract: An example method includes: (i) depositing an insulating layer on a substrate; (ii) forming a conductive polymer layer on the insulating layer; and (iii) repeating deposition of a respective insulating layer, and formation of a respective conductive polymer layer to form a multilayer stack of respective conductive polymer layers interposed between respective insulating layers. Each respective conductive polymer layer has a respective electrical resistance, such that when the respective conductive polymer layers are connected in parallel to a power source, a resultant electrical resistance of the respective conductive polymer layers is less than each respective electrical resistance.

Abstract: An example method includes: forming a conductive layer on at least a portion of a surface of a substrate, where the substrate comprises a composite material of an aerodynamic structure, and where the conductive layer is configured to provide a conductive path to conduct an electric current generated by a lightning strike to an electrically-grounded location; depositing an insulating layer on the conductive layer; removing one or more portions of the insulating layer to form respective gaps in the insulating layer and expose corresponding one or more portions of the conductive layer; and forming a resistive-heater layer on the insulating layer such that the resistive-heater layer fills the respective gaps in the insulating layer and contacts the corresponding one or more portions of the conductive layer, such that when electric power is provided to the conductive layer, the electric power is communicated to the resistive-heater layer thereby generating heat therefrom.

Abstract: An example method includes: (i) depositing an insulating layer on a substrate; (ii) forming a conductive polymer layer on the insulating layer; and (iii) repeating deposition of a respective insulating layer, and formation of a respective conductive polymer layer to form a multilayer stack of respective conductive polymer layers interposed between respective insulating layers. Each respective conductive polymer layer has a respective electrical resistance, such that when the respective conductive polymer layers are connected in parallel to a power source, a resultant electrical resistance of the respective conductive polymer layers is less than each respective electrical resistance.