Foamed articles including a foamed thermoplastic elastomeric material, methods of making the foamed articles, and methods for manufacturing articles of footwear, apparel, and athletic equipment incorporating such foamed articles are provided. In one aspect, a method for making a foamed article comprises placing an article comprising a foamable material and carbon dioxide in a vessel, maintaining the vessel at a first pressure and first temperature at which the carbon dioxide is a liquid and carbon dioxide is soluble in the foamable material, optionally exposing the infused article to a second temperature and second pressure, and subjecting the article to a third pressure and third temperature at which the infused carbon dioxide phase transitions to a gas, thereby expanding the foamable material into a foamed material and forming the foamed article.

Disclosed is a fiber structure including a halogen-free polymer layer such as a styrenic block (SBC) copolymer. The fiber structure has environmentally-friendly properties and reduced weight, as compared to conventional materials such as PVC and has improved low temperature stability, fixing ability and resistance to deformation.

High strength biomedical materials and processes for making the same are disclosed. Included in the disclosure are nanoporous hydrophilic solids that can be extruded with a high aspect ratio to make high strength medical catheters and other devices with lubricious and biocompatible surfaces.

Two part sole structures are provided having a first foam component containing a polyolefin resin with a polyurethane resin component adhered to a surface of the first foam component. For example, in some aspects, a sole structure or a portion thereof is provided having a first sole component containing a foam composition and a second sole component adhered to a surface of the first sole component, where the second sole component includes a polyurethane resin. The second sole component is in some aspects printed or extruded onto the surface of the foam. In particular, midsoles including the foams and having an outsole component on the ground facing portion are provided for use in an article of footwear. Methods of making the sole structures are provided, as well as methods of making an article of footwear including one of the sole structures.

A process for forming a combustion-modified ether (CME) polyurethane foam includes providing a polyol component including a PIPA polyol that is a dispersion having a solids content from 10 wt % to 75 wt %, based on a total weight of the PIPA polyol, providing an isocyanate component that includes at least one polyisocyanate, providing an additive component that includes at least one flame retardant, and forming a reaction mixture including the polyol component, the isocyanate component, and the additive component to form a CME polyurethane foam. The reaction mixture has an isocyanate index from 90 to 150. The PIPA polyol is a reaction product of a mixture including at least a low equivalent weight polyol having a number average hydroxyl equivalent weight of less than 80, a polyisocyanate compound having a number average isocyanate equivalent weight that is less than 225, and a liquid base poly ether polyol having a number average hydroxyl equivalent weight of at least 200 and at least 80% of secondary hydroxyl groups based on a total amount of hydroxyl groups in the liquid base polyether polyol.

Polymer foam bodies are made from phosphorus-containing thermoplastic random copolymers of a dialkyl (meth)acryloyloxyalkyl phosph(on)ate. Foam bodies made from these copolymers exhibit increased limiting oxygen indices and surprisingly have good properties. In certain embodiments, the phosphorus-containing thermoplastic copolymer is blended with one or more other polymers and formed into nanofoams.

Provided is a crosslinked polyolefin foam is made by crosslinking and foaming the composition, wherein a product of 25% compressive strength (kPa) and tensile strength (MPa) of the crosslinked polyolefin foam at normal temperature is 35 to 65.

Provided is a method for manufacturing a foam molded body that can make a shape of bubbles close to a perfect circle. According to the present disclosure, a method for manufacturing a foam molded body, including a step of forming a foam parison from a melt-kneaded resin obtained by melting and kneading a raw material resin and a foaming gas in a cylinder of an extruder and molding the foam parison to obtain the foam molded body, wherein the foaming gas contains 0.1 to 1.0% of argon, is provided.

A polymer composition for use in the removal and recovery of oil slicks or spills floating on the surfaces of bodies or water or present on land, such as beaches comprising a foam of a blend of polyethylene and an ethylene-alkyl acrylate copolymer and a process for using such foams in the selective removal of oil from fresh water or salt water and the recovery of the absorbed oils from the foams is disclosed. The polymer composition is also for use in other applications in which absorption of liquids is desired.

A polyimide precursor-containing aqueous composition contains at least one polymer material selected from the group consisting of a water-insoluble fibrous organic substance and a polyalkylene oxide having a viscosity-average molecular weight of 5 million or more, a polyimide precursor, particles, and water.