A functional film 1 according to an embodiment includes: a substrate (10) containing an acetyl cellulose resin; a primer layer (20) containing a filler (40) and disposed on the substrate (10); and a functional layer (30) containing the filler (40) and disposed on the primer layer (20). The substrate (10) has a permeation layer (12) formed by permeation of the resin contained in the primer layer (20) into part of the substrate (10). The permeation layer (12) has a thickness of 0.1 ?m or more and 3.5 ?m or less. The primer layer (20) has a thickness of 0.1 ?m or more and 1.0 ?m or less. The filler (40) is silica particles having an average particle size of 20 nm or more and 80 nm or less. The filler (40) in the primer layer (20) has a density of ? or more and ? or less of the density of the filler (40) in the functional layer (30). The primer layer (20) and the functional layer (30) each contain a resin. The resin component of the primer layer (20) is the same as the resin component of the functional layer 30.

A method of manufacturing a honeycomb structure, the method including: a circumferential coat layer forming process of applying a circumferential coating material on a circumferential surface of a ceramic honeycomb structure to form a circumferential coat layer, the circumferential coat layer forming process including: a rotating process of matching an axial direction of the honeycomb structure; and an applying process of discharging the circumferential coating material to apply the circumferential coating material on the circumferential surface of the honeycomb structure that rotates, wherein in the applying process, a discharge speed of the circumferential coating material, calculated by Equation (1), discharged from the discharge nozzle is 50 to 120 mm/s, and

Discharge speed V [mm/s]=Supplied amount q [g/s] of circumferential coating material(Density [g/mm.sup.3] of circumferential coating materialArea S [mm.sup.2] of discharge opening)(1).

A method for forming a metal substrate with 3D decorations according to a predetermined pattern, on at least one face of the metal substrate including: determining drop size of primer for defining thickness of a 3D decoration, applying the primer according to a predetermined pattern onto at least one face of a metal substrate, applying thereto an electrostatic thermal curing powder coating comprising color, removing excess of electrostatic thermal curing powder coating such that the thermal curing coating remains only at a location on the metal substrate determined by the primer, inserting the metal substrate into a convection oven, and forming a metal substrate with 3D decorations according to the predetermined pattern on the at least one face of the metal substrate, and a system for performing the same.

A method for forming a metal substrate with 3D decorations according to a predetermined pattern, on at least one face of the metal substrate including: determining drop size of primer for defining thickness of a 3D decoration, applying the primer according to a predetermined pattern onto at least one face of a metal substrate, applying thereto an electrostatic thermal curing powder coating comprising color, removing excess of electrostatic thermal curing powder coating such that the thermal curing coating remains only at a location on the metal substrate determined by the primer, inserting the metal substrate into a convection oven, and forming a metal substrate with 3D decorations according to the predetermined pattern on the at least one face of the metal substrate, and a system for performing the same.

A composite material includes: a metal substrate and a polymer layer which are directly interconnected by an adhesion promoter layer. The adhesion promoter layer is obtained by plasma-enhanced chemical vapor deposition (PE-CVD) at least partially using a mixture of precursor compounds containing an unsaturated hydrocarbon and an organosilicon compound. In an embodiment, the organosilicon compound includes a siloxane, silane, or silicate.

A composite material includes: a metal substrate and a polymer layer which are directly interconnected by an adhesion promoter layer. The adhesion promoter layer is obtained by plasma-enhanced chemical vapor deposition (PE-CVD) at least partially using a mixture of precursor compounds containing an unsaturated hydrocarbon and an organosilicon compound. In an embodiment, the organosilicon compound includes a siloxane, silane, or silicate.

A method for producing an assembly of particles bound by a substrate, including: making a compact film of solid particles floating on a carrier liquid, the solid particles potentially holding objects between them; spraying particles onto a face of the compact film opposite to the one immersed in a carrier liquid, to create a substrate-forming-skin adhering to the solid particles; and extracting an obtained assembly outside the carrier liquid.

A method for producing an assembly of particles bound by a substrate, including: making a compact film of solid particles floating on a carrier liquid, the solid particles potentially holding objects between them; spraying particles onto a face of the compact film opposite to the one immersed in a carrier liquid, to create a substrate-forming-skin adhering to the solid particles; and extracting an obtained assembly outside the carrier liquid.

The present application provides a color register edging method for an aluminum alloy hub. The method is characterized by comprising the following steps: (I) a first pretreatment and drying step, including washing, degreasing, acid pickling and passivation; (II) a body powder and paint spraying and respective curing step; (III) a second pretreatment and drying step, including washing, degreasing, acid pickling and passivation; (IV) an edging color register spraying and curing step, wherein a color register paint is squeezed onto a surface that needs color register by using an injection needle; (V) a third pretreatment and drying step, including washing, degreasing, acid pickling and passivation; and (VI) a high-gloss transparent powder spraying and curing step. The method breaks the conventional shielded protective color register process, the designed grooves can be in a full circle or partial, meanwhile, the size of the grooves can also be changed in the width.

The present application provides a color register edging method for an aluminum alloy hub. The method is characterized by comprising the following steps: (I) a first pretreatment and drying step, including washing, degreasing, acid pickling and passivation; (II) a body powder and paint spraying and respective curing step; (III) a second pretreatment and drying step, including washing, degreasing, acid pickling and passivation; (IV) an edging color register spraying and curing step, wherein a color register paint is squeezed onto a surface that needs color register by using an injection needle; (V) a third pretreatment and drying step, including washing, degreasing, acid pickling and passivation; and (VI) a high-gloss transparent powder spraying and curing step. The method breaks the conventional shielded protective color register process, the designed grooves can be in a full circle or partial, meanwhile, the size of the grooves can also be changed in the width.