A rib-stiffened composite structure includes a composite face sheet having a continuous reinforcing fiber in a polymer matrix. A polymer core is in a grid pattern disposed on the composite face sheet, the grid pattern having a first series of paths crossing over a second series of paths. Material voids are formed in the spaces between the series of paths. A composite rib-cap is disposed upon an upper surface of the polymer core. The composite rib-cap includes a continuous reinforcing fiber in a polymer matrix. The fibers of the continuous reinforcing fiber of the polymer matrix of the composite rib cap are oriented in a direction along the first and second series of paths of the grid pattern of the extruded polymer core.

Embodiments of the present disclosure disclose a composite crystal flooring. The composite crystal flooring may have a multi-layer structure. The composite crystal flooring may include a substrate layer. The substrate layer may include at least a first structural layer, a second structural layer, and a third structural layer. The second structural layer may be located between the first structural layer and the third structural layer. A foaming density of the second structural layer may be less than 1.1 grams per cubic millimeter. Components of the second structural layer may include polyvinyl chloride, one or more inorganic fillers, at least one foaming agent, at least one foaming regulator, at least one lubricating agent, and at least one stabilizer. The one or more inorganic fillers may include modified fly ash, hollow glass microbeads, and composite calcium. The composite crystal flooring with a low density may have good thermal stability and rigidity.

The present disclosure discloses a multi-layer co-extrusion stone plastic floor. The multi-layer co-extrusion stone plastic floor includes at least one co-extrusion stone layer, the co-extrusion stone plastic layer including a first stable layer, a stone plastic rigid layer, and a second stable layer successively. A size change rate of the first stable layer and the second stable layer is within a range of 0 to 0.12% within a temperature range of −15° C. to 80° C. At least one of the first stable layer, the stone plastic rigid layer, and the second stable layer includes composite particles of acrylate copolymer (ACR)/nano SiO.sub.2. The multi-layer co-extrusion stone plastic floor has improved strength, improved thermal stability and reduce thermal deformation by adding stable layers above/below the plastic rigid layer and adding the composite particles of ACR/nano SiO.sub.2.

A fluid storage media includes a plurality of microspheres. Each microsphere includes a porous core with a porous core material and having an exterior surface. A stored fluid is within the porous core. A coating layer covers all of the exterior surface of the porous core. The coating layer includes a coating material which transitions from a first state to a second state, wherein in the first state the coating material is permeable to the stored fluid, and in the second state the material is impermeable to the stored fluid. The coating material in the second state is configured to encapsulate and maintain the stored fluid inside the porous core. A method of making a fluid storage media, a method of delivering a fluid and a method of delivering a biologically active fluid medication to a patient are also disclosed.

A vehicle removable roof system including a roof support structure removably attachable to a vehicle, the roof support structure including a plurality of vertically oriented supports and at least one horizontally oriented support. The at least one removable panel configured to engage with the roof support structure. The vehicle removable roof system formed of a light weight sandwich composite structure that affords a high gloss surface without resort to additional processing after production with improved moisture resistance and edges suitable for sealing the removable roof assembly to other vehicle components.

A fabric (30) includes a first flexible fabric layer (32), having fabric emissivity properties in a visible radiation range that are selected so as to mimic ambient emissivity properties of a deployment environment of the fabric, and at least one second flexible fabric layer (34), which is joined to the first flexible fabric layer, and which is configured to scatter long-wave radiation that is incident on the fabric. The first and second flexible fabric layers are perforated by a non-uniform pattern of perforations (44) extending over at least a part of the fabric.

A microwave heatable composite material that comprises: a heat resistant moldable base material; a microwave heatable material dispersed in the heat resistant moldable base material; and a phase change material dispersed in the heat resistant moldable base material. The mixture of the microwave heatable material, heat resistant moldable base material, and phase change material provide a basic or core microwave heatable article layer to which one or more additional controlled heat releasing and/or heat transfer blocking layers can be combined to enhance and optimize heat therapy. In addition, the microwave heatable articles of the present invention can be used for cold therapy by lowering their temperatures in a freezer of similar cold environment.

An article comprises a substrate having a first portion comprising at least one of a metal or a ceramic metal oxide. A composite foam is bonded to the metal or ceramic metal oxide. The composite foam comprises: at least one polymer preparable by ring-opening metathesis polymerization; at least one catalyst for the ring-opening metathesis polymerization; at least one difunctional coupling agent represented by ZXZ. Each Z independently represents a group that is chemically reactive with at least one of the chemically bound surface hydroxyl groups thereby forming at least one covalent bond. Each X independently represents a divalent organic linking group having a number average molecular weight of 500 to 10000 grams per mole; and at least one of hollow glass microspheres or expanded polymeric microspheres. A method of making the article is also disclosed.

A fabric (30) includes a first flexible fabric layer (32), having fabric emissivity properties in a visible radiation range that are selected so as to mimic ambient emissivity properties of a deployment environment of the fabric, and at least one second flexible fabric layer (34), which is joined to the first flexible fabric layer, and which is configured to scatter long-wave radiation that is incident on the fabric. The first and second flexible fabric layers are perforated by a non-uniform pattern of perforations (44) extending over at least a part of the fabric.

A chemical-mechanical polishing pad comprising a thermosetting polyurethane polishing layer includes an isocyanate-terminated urethane prepolymer, a polyamine curative, and a cyclohexanedimethanol curative. The polyamine curative and the cyclohexanedimethanol curative are in a molar ratio of polyamine curative to cyclohexanedimethanol curative in a range from about 20:1 to about 1:1.