Provided is a photocatalyst layer that improves the photocatalytic performance while suppressing detachment of photocatalyst particles. The photocatalyst layer has a front surface and a rear surface on the opposite side of the front surface. The photocatalyst layer includes photocatalyst particles and a binder. The photocatalyst layer has a first region containing the photocatalyst particles and a second region containing the binder and not containing the photocatalyst particles. The photocatalyst particles include tungsten oxide particles. The photocatalyst particles have contact points being in contact with the rear surface. The ratio of the thickness of the second region to the number-average secondary particle diameter of the photocatalyst particles is 0.20 or more and 0.80 or less.

The invention relates to a lubricant coating (5) for a medical injection device (1), comprising successively: —a bottom layer (50) in contact with the medical device surface (21) of the container to be lubricated, comprising a mixture of cross-linked and non-cross-linked poly-(dimethylsiloxane), —an intermediate layer (51) consisting essentially of oxidized poly-(dimethylsiloxane) and having a thickness comprised between 10 and 30 nm and, —a top layer (52) consisting essentially of non-cross-linked poly-(dimethylsiloxane) and having a thickness of at most 2 nm. The invention also relates to a medical injection device comprising such a lubricant coating, and a manufacturing process for said coating.

The present invention relates to fan cover (6), in particular a fan cover (6) for a cooking appliance (1), obtainable by a process characterised by the following steps, a) providing a fan cover (6) having an inner surface (7a), an outer surface (7b) and at least one opening (8) allowing a fluid to flow through, b) pretreating of at least the inner surface (7a) of the fan cover (6) for providing a surface having a roughness being suitable for applying a non-stick and/or non-wetting coating (12) by mechanical treatment, physical treatment or chemical treatment, in particular by sandblasting and/or laser treatment and/or an enamelling process to form a ground layer (13), c) applying the non-stick and/or non-wetting coating (12) to the inner surface (7a) of the fan cover (6) or the surface (14a) of the ground layer (13), wherein the non-stick and/or non-wetting coating (12) comprises at least one layer (17) that is obtained by a sol-gel process from a first composition comprising a silica sol and a silane. The invention further relates to a cooking appliance (1), in particular a domestic oven comprising such a fan cover (6) and a method for manufacturing such a fan cover (6).

The present invention relates to component, in particular a top plate (2) for a gas hob (1) and/or a burner cap (6a, 6b) of a gas burner (5a, 5b) for a gas hob (1), having a non-stick and/or non-wetting coating (12) obtainable by a process characterised by the following steps, a) providing a component, in particular a top plate (2) and/or a burner cap (6a, 6b), having an upper surface (7a) and a bottom surface (11b), b) preferably, pretreating of at least the upper surface of the component, in particular the top plate or the burner cap, for providing a surface having a roughness being suitable for applying a non-stick and/or non-wetting coating, by mechanical treatment, physical treatment or chemical treatment, in particular by sand-blasting and/or laser treatment and/or a surface activation treatment, particularly a plasma treatment, and/or an enameling process to form a ground layer (13), thus applying an enamel layer onto the upper surface of the component, in particular the top plate or the burner cap, c) applying the non-stick and/or non-wetting coating (12) to the upper surface (11a) of the component, in particular a top plate (2) and/or a burner cap (6a, 6b), or the surface (14a) of the ground layer (13), wherein the non-stick and/or non-wetting coating (12) comprises at least one layer (17) that is obtained by a sol-gel process from a first composition comprising a silica sol and a silane. The invention further relates to a cooking appliance (1), in particular a gas hob comprising such a component, in particular a top plate (2) and/or a burner cap (6a, 6b), and a method for manufacturing such a component, in particular a top plate (2) and/or a burner cap (6a, 6b).

A method for plasma treating a target surface of a part, including: obtaining the target surface on the part; placing the part in a chamber of a plasma generator; evacuating the chamber to a pressure of between 10.sup.-6 and 10 mbar; injecting a suitable gas into the chamber until a pressure in the chamber of between 10.sup.-4 and 10.sup.2 mbar is reached; generating an electric current discharge within the chamber, via an electric generator, in order to generate a plasma; exposing the target surface of the part to the plasma for a predefined period of time depending on the power of the electric current discharge, on the gas injected into the chamber and on the material of the target surface, so as to deteriorate the surface condition of the target surface in order to increase the roughness thereof to make the target surface mat or more mat.

A dry powder coating apparatus for coating pharmaceutical solid dosage forms includes a housing; a drum coater; a powder coating system; a liquid spray system; a ventilation system; a heating system; a touch screen control panel; and an operation box. The drum coater may have a truncated cone on both sides, in which one side is opened and another side is closed. The drum coater is horizontally placed inside the operation box along its axis and fixed on a rotatable shaft and a motor drives the rotatable shaft and rotates the drum coater about its own axis.

The invention relates to a lubricant coating (5) for a medical injection device (1), comprising successively: —a bottom layer (50) in contact with the medical device surface (21) of the container to be lubricated, comprising a mixture of cross-linked and non-cross-linked poly-(dimethylsiloxane), —an intermediate layer (51) consisting essentially of oxidized poly-(dimethylsiloxane) and having a thickness comprised between 10 and 30 nm and, —a top layer (52) consisting essentially of non-cross-linked poly-(dimethylsiloxane) and having a thickness of at most 2 nm. The invention also relates to a medical injection device comprising such a lubricant coating, and a manufacturing process for said coating.

Embodiments relate to forming a thin film of nanoscale thickness by depositing a mixture of a precursor and a supercritical fluid onto a surface of a substrate and removing the supercritical fluid from the surface of the substrate. The mixture is sprayed onto the surface by a spraying module. A layer of the precursor is formed on at least a portion of the surface. Molecules of the supercritical fluid is removed from the surface. The surface is exposed to plasma radical to transform the layer of the precursor into a solid thin film. In some embodiments, molecules of the precursor chemically bond with molecules of the supercritical fluid in the mixture. The molecules of the supercritical fluid can be decoupled from the molecules of the precursor before the layer of the precursor is formed.

The present disclosure provides a method of enhancing the shelf-life of an activated surface of a thermoplastic material, including: coating at least a portion of a surface of the thermoplastic material with at least one adhesion promoter to provide a coated surface; and treating the coated surface with plasma to provide the activated surface of the thermoplastic material; wherein the activated surface has a contact angle in the range of from about 0 to about 40°; and wherein the presence of the at least one adhesion promoter is effective to maintain the contact angle in the range of from about 0 to about 40° for a time of about 10 days or greater.

A bond sublayer is applied to a part and a ceramic layer is deposited on the bond sublayer by plasma spraying. The ceramic layer is then sintered.