A method of forming a film comprising nanocellulose having an Oxygen Transmission Rate (OTR) value in the range of 0.1 to 300 cc/m.sup.2/24 h at 38° C. and 85% relative humidity (RH), and having a basis weight in the range of in the range of 0.1 to 45 g/m.sup.2 wherein the method comprises the steps of; providing a suspension comprising nanocellulose, forming at least one layer of a web or a film from said suspension; drying said formed web or film to a dry content of at least 65 weight-%, wherein said method further comprises the steps of; treating at least one side of said dewatered and dried web or film with ultra violet (UV) or electron beam (EB) irradiation; and wherein at least one cooling step is provided in connection with or after the UV or EB treatment step.

[PROBLEM] To provide an antifouling film equipped with protective film having an antifouling layer with excellent antifouling characteristics even after aging, and to a method for manufacturing same. [SOLUTION MEANS] An antifouling film equipped with protective film in which protective film is laminated on an antifouling layer of an antifouling film having an antifouling layer on a substrate film X, the antifouling film equipped with protective film being such that, when the protective film is detached from the antifouling film, a contact angle of water with respect to a surface of the protective film that had been in contact with the antifouling layer of the antifouling film is 90° to 115°. And also a method for manufacturing the aforementioned antifouling film equipped with protective film in which aging is carried out under certain temperature conditions while the protective film is laminated to a surface of the antifouling layer.

A wound dressing material comprises first and second wound-contact scrims, and an antimicrobial layer disposed therebetween. The wound-contact scrims comprise water-sensitive fibers comprising a copolymer comprising divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units. The wound dressing material may be contacted with an exposed surface of a wound. A method of making the wound dressing material is also disclosed.

A polyurethane film comprising a polyurethane resin and graphene, wherein the graphene is present in an amount of 1 to 30% by weight on the total weight of the film and consists of graphene nano-platelets, wherein at least 90% has a lateral dimension (x, y) of 50 to 50000 nm and a thickness (z) of 0.34 to 50 nm, wherein the lateral dimension is always greater than the thickness (x, y>z), wherein the C/O ratio is ≥100:1, and a preparation process thereof.

A multi-layer identification patch includes a reflective background layer comprising a front side to face away from a garment when the multi-layer identification patch is affixed to the garment, and a mask layer secured over the front side of the reflective background layer. The mask layer comprises (a) an opaque layer of flexible polyvinyl chloride (PVC) and (b) a void in the opaque layer of flexible PVC. The void has a shape that forms an identification symbol. The opaque layer of flexible PVC is secured over a first portion of the reflective background layer, thereby fixing the void that forms the identification symbol over a second portion of the reflective background layer, and thereby enabling the second portion of the reflective background layer to reflect light through the void in the shape of the identification symbol. Other embodiments are described and claimed.

Compositions are provided according to aspects of the present invention that include a hydrogel and a liner, wherein a surface of the hydrogel dissociably-engages a surface of the liner. Compositions are provided according to aspects of the present invention that include a hydrogel and a hydrophobic glue, wherein at least a portion of the gel network of the hydrogel is occupied by the hydrophobic glue. Reverse coaling processes and articles of manufacture made by reverse coating processes are provided according to aspects of the present invention. Compositions are provided according to aspects of the present invention that include a hydrogel and a substrate, wherein: the hydrogel comprises a polymer network; the substrate comprises a surface comprising a polymer network; and the polymer network of the hydrogel and the polymer network of the surface are entangled.

The present invention discloses a multilayer composite rubber-plastic foam insulation material and a preparation method thereof. The composite rubber-plastic foam insulation material includes a two-layer structure; the two-layer structure includes an insulation layer and a first functional layer; the insulation layer and the first functional layer are both made of a rubber-plastic foam material; the first functional layer and the insulation layer are integrally molded by blending extrusion and vulcanization foaming, and the first functional layer and the insulation layer form an integral structure. The multilayer composite rubber-plastic foam insulation material provided by the present invention adopts a vulcanization foaming integral molding process, and not only ensures the thermal insulation property of the insulation layer, but also gives the functional layer corresponding functions by selecting different functional polymers, thereby satisfying a variety of personalized needs in engineering applications.

A method of manufacturing sheeting is provided, the method including the steps of forming multiple recesses in a symmetrical repeat pattern on a sheet of material, extruding a molten material to form an upper outside wall and a lower outside wall, interposing the formed sheet between the upper outside wall and the lower outside wall, and fixing the interposed sheet to the upper outside wall and the lower outside wall. Also provided is sheeting having an upper outside wall and a lower outside wall and an interposed sheet fixed between the outside walls. The interposed sheet includes multiple recesses in a symmetrical repeat pattern, where the upper and lower outside walls are, or the interposed sheet is, manufactured from a material which includes a polymeric material.

A hybrid metal composite (HMC) structure comprises tiers comprising fiber composite material structures, and additional tiers longitudinally adjacent one or more of the tiers and comprising perforated metallic structures and additional fiber composite material structures laterally adjacent the perforated metallic structures. Methods of forming an HMC structure, and related rocket motors and multi-stage rocket motor assemblies are also disclosed.

A three-dimensional reinforced membrane is designed to be inflated and used in various structural applications. A dropstitch or double wall fabric may be reinforced with one or more coatings, such as urethane-based coatings, and may also be laminated in accordance with various disclosed embodiments.