A foam and a foaming composition are provided. The foam includes a composite material and a plurality of foam cells, wherein the foam cells are disposed in the composite material. The composite material includes a modified sulfur-containing polymer and a fluorine-containing polymer fiber, wherein a degree of orientation as defined by the ratio I.sub.110/I.sub.200 is from 1.0 to 1.3, wherein I.sub.110 is the X-ray diffraction peak intensity of (110) planes of the modified sulfur-containing polymer and I.sub.200 is the X-ray diffraction peak intensity of (200) planes of the modified sulfur-containing polymer.

A roofing membrane and a method of making the same is provided. The roofing membrane includes a top layer having a flame retardant and a first silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm.sup.3; a scrim layer; and a bottom layer having a flame retardant and a second silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm.sup.3. The top and bottom layers of the roofing membrane both exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.).

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.

The invention relates to a method for producing a polyurethane foam, wherein a mixture having the following is discharged from a mixing head through a discharge line: A) a component reactive toward isocyanates; B) a surfactant component; C) a blowing agent component selected from the group comprising linear, branched, or cyclic C1 to C6 hydrocarbons, linear, branched, or cyclic C1 to C6 fluorocarbons, N2, O2, argon, and/or CO2, wherein the blowing agent C) is present in the supercritical or near-critical state; and D) a polyisocyanate component. The component A) has a hydroxyl value=100 mg KOH/g and =1000 mg KOH/g. The blowing agent component C) is present at least partially in the form of an emulsion, and means provided with an opening or several openings are arranged in the discharge line in order to increase the flow resistance during the discharge of the mixture comprising A), B), C), and D), wherein the cross-sectional area of the opening or the sum of the cross-sectional areas of all openings is =0.1% and =99.9% of the inner cross-sectional area of the discharge line.

A polymer solution is created by mixing an olefin-based resin and a solvent in a pressure vessel. A high-pressure fluid of carbon dioxide is created. Temperature of the high-pressure fluid is adjusted. A mixed fluid is created by mixing the high-pressure fluid of which the temperature is adjusted and the polymer solution in the pressure vessel. Cooling of the mixed fluid causes phase separation of the mixed fluid to occur. After phase separation, pressure in the pressure vessel is released, and the solvent and the carbon dioxide vaporize. The vaporizing of the solvent and the carbon dioxide creates a porous medium of olefin-based resin.

A variety of forms and form components are provided, including form components for articles of footwear and athletic equipment. The articles include a composition having a form structure, wherein the composition includes a thermoplastic copolyester elastomer comprising: (a) a plurality of first segments, each first segment derived from a dihydroxy-terminated polydiol; (b) a plurality of second segments, each second segment derived from a diol; and (c) a plurality of third segments, each third segment derived from an aromatic dicarboxylic acid. Methods of making the compositions and forms are provided, as well as methods of making an article of footwear including at least one of the form components. In some aspects, the forms and form components can be made by extrusion or injection molding to form the polymeric composition, or extrusion or injection molding to form the polymeric composition followed by compression molding of the form.

A polyolefin composition is foamed by a process in which a nucleator is used, and the nucleator comprises 80% or more of unagglomerated fluororesin particles and/or agglomerates of fluororesin particles in which both the unagglomerated particles and the agglomerates are less than 1 μm in size.

The present application relates to a polycarbonate composite article, a preparation method therefor, and use thereof. The polycarbonate composite article includes a foamed polycabonate layer and a non-foamed polycarbonate film layer on the foamed polycarbonate layer. The polycarbonate composite article according to the present invention has a reduced weight and improved signal penetration performance, and can be used as an antenna housing.

A polyolefin composition is foamed by a process in which a nucleator is used, and the nucleator comprises 80% or more of unagglomerated fluororesin particles and/or agglomerates of fluororesin particles in which both the unagglomerated particles and the agglomerates are less than 1 μm in size.

A footwear article is provided. The footwear article includes a shoe sole. The shoe sole includes a crosslinked foam polyolefin elastomer having a density less than 0.88 g/cm.sup.3, the crosslinked foam polyolefin elastomer including: a silane-grafted polyolefin elastomer, a silane-grafted olefin block copolymer, a polyolefin elastomer (POE), an olefin block copolymer (OBC), or a combination thereof; an ethylene vinyl acetate (EVA) copolymer; a crosslinker; a condensation catalyst; and a foaming agent. The shoe sole exhibits a compression set of from about 1.0% to about 50.0%, as measured according to ASTM D 395 (48 hrs @ 50° C.).