A method of making a wet friction material includes joining filler particles and fibers together and forming a base; coating an outer surface of the base with a quaternary ammonium salt containing solution; and drying the quaternary ammonium salt containing solution to form a quaternary ammonium salt containing coating on the outer surface of the base.

A composite structure comprises a copper layer and first and second graphene layers sandwiching the copper layer, wherein the composite structure provides electron-path tunnels between the copper layer and the first and second graphene layers. The electron-path tunnels may enhance the electrical conductivity. A multilayer composite structure comprises a first copper layer, a first graphene layer on the first copper layer, a second graphene layer on the first graphene layer, and a second copper layer on the second graphene layer.

Flaky alumina particles including mullite in a surface layer of the flaky alumina particles. A method for producing flaky alumina particles including forming a mixture by mixing together an aluminum compound that contains elemental aluminum, a molybdenum compound that contains elemental molybdenum, and silicon or a silicon compound that contains elemental silicon, the aluminum compound being in an amount greater than or equal to 50 mass %, calculated as Al.sub.2O.sub.3, the molybdenum compound being in an amount less than or equal to 40 mass %, calculated as MoO.sub.3, the silicon or the silicon compound being in an amount of 0.5 mass % or greater and less than 10 mass %, calculated as SiO.sub.2, relative to a total mass of the flaky alumina particles taken as 100 mass %; and firing the mixture.

The laminate of the present disclosure includes multiple glass ceramic layers each containing quartz and a glass that contains SiO.sub.2, B.sub.2O.sub.3, Al.sub.2O.sub.3, and M.sub.2O, where M is an alkali metal. The B concentration of a surface layer portion of the laminate is lower than the B concentration of an inner layer portion of the laminate.

A laminated sheet includes a sheet-shaped inductor including a plurality of wirings and a magnetic layer embedding the plurality of wirings, and a processing stability layer disposed on at least one surface 6 in a thickness direction of the inductor. The magnetic layer includes a binder and a magnetic particle having a generally flat shape and whose material is a metal. The processing stability layer includes a cured product of a thermosetting resin composition. The thermosetting resin composition includes a thermosetting resin as an essential component. The thermosetting resin composition includes at least one kind of particle, as an optical component, selected from the group consisting of a first particle having a generally spherical shape and a second particle having a generally flat shape and whose material is an inorganic compound.

A method for preparing a roofing membrane in the form of a roll, comprising the steps of: providing a polymeric membrane; providing a fabric having a coating disposed thereon; attaching the polymeric membrane to the fabric to form a composite; and rolling the composite. Wherein the coating includes expandable graphite dispersed within a binder.

Composite panels and methods of preparation are described herein. In some embodiments, the composite panel can include a first fiber reinforcement, a polyurethane composite having a first surface and a second surface opposite the first surface, wherein the first surface is in contact with the first fiber reinforcement; and a cementitious material adjacent the first fiber reinforcement opposite the polyurethane composite. The polyurethane composite can be formed from (i) one or more isocyanates selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof, (ii) one or more polyols, and (iii) a particulate filler. The fiber reinforcement can be formed from a woven or non-woven material, such as glass fibers. The composite panel can further include a material, such as a second fiber reinforcement and a cementitious layer, in contact with the second surface of the polyurethane composite. Articles comprising the composite panels are also disclosed.

The present invention relates to a metallic decorative member which when a transparent base material containing rubber particle is used, is able to make the metallic luster after molding excellent. The metallic decorative member is one including a metal vapor deposited film having a metal vapor deposited layer on a transparent base material, the transparent base material being disposed so as to face toward the outer layer side, wherein the transparent base material is a transparent resin base material containing rubber particles and a binder resin; the metal vapor deposited layer has island portions composed of a metal and sea portions positioning between the island portions; and an area A per island portion is 4,400 to 56,000 nm.sup.2.

A method is described for reducing the afterflame of a flammable, meltable material. A textile composite is described comprising an outer textile comprising a flammable, meltable material, and a heat reactive material comprising a polymer resin-expandable graphite mixture.

The present disclosure is directed to a poured-in-place protective surface, such as can be installed at a playground. The protective surface includes an impact-attenuation or cushion layer, which comprises a blend of (a) a rubber chunk component made up of granules of reclaimed rubber, the reclaimed rubber being from non-tire sources; (b) a tire buffings component; and (c) a binder. The ratio of rubber chunk component to tire buffings component is selected to be between 1.25:1 and 10:1, and more particularly between 1.25:1 and 5:1.