Provided is particulate of a cathode active material for a lithium battery, comprising one or a plurality of cathode active material particles being embraced or encapsulated by a thin layer of a high-elasticity polymer having a recoverable tensile strain no less than 5%, a lithium ion conductivity no less than 10.sup.−6 S/cm at room temperature, and a thickness from 0.5 nm to 10 μm, wherein the polymer contains an ultrahigh molecular weight (UHMW) polymer having a molecular weight from 0.5×10.sup.6 to 9×10.sup.6 grams/mole. The UHMW polymer is preferably selected from polyacrylonitrile, polyethylene oxide, polypropylene oxide, polyethylene glycol, polyvinyl alcohol, polyacrylamide, poly(methyl methacrylate), poly(methyl ether acrylate), a copolymer thereof, a sulfonated derivative thereof, a chemical derivative thereof, or a combination thereof.

The invention relates to a PTFE polymer-based sliding material having fillers which improve the tribological properties, wherein the fillers comprise at least one phosphate, in particular calcium phosphate, calcium pyrophosphate, magnesium phosphate, magnesium pyrophosphate, lithium phosphate, hydroxyapatite or combinations thereof, and at least one metal sulfide, wherein the fraction of the metal sulfide is >2% by volume. The invention also relates to uses of said sliding material.

The invention relates to bissilylaminosilyl-functionalized conjugated dienes and their use in the production of rubbers. Further, the invention relates to rubbers and rubber compositions.

Thermal spray coating obtained from a thermal spray powder material containing at least one of Aluminum-containing particles, Magnesium-containing particles, and Titanium-containing particles mechanically alloyed to a transition metal. The coating includes Aluminum, Magnesium, or Titanium alloy portions alloyed to the transition metal. The thermal spray powder is obtained of Aluminum, Magnesium, or Titanium containing particles mechanically alloyed to a transition metal.

A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation, including a placement angle ranging from +90 degrees to −90 degrees and a rake angle ranging from +90 degrees to −90 degrees.

A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation, including a placement angle ranging from +90 degrees to −90 degrees and a rake angle ranging from +90 degrees to −90 degrees.

The present disclosure provides a polymeric opal comprising a polymer and an additive. The additive comprises a two-dimensional (2D) material and/or a carbon nanotube and the weight ratio of the polymer to the additive is between 100:0.001 and 00:0.1.

Proposed are copper sulfide nanoparticles having a core-shell structure included in a coating composition for blocking near-infrared light, and a method of manufacturing the same. More particularly, a method of manufacturing copper sulfide nanoparticles having a core-shell structure includes manufacturing CuS nanoparticles, manufacturing Cu.sub.2-xS nanoparticles by heating a mixed solution of the CuS nanoparticles, a reducing agent, and a solvent, and manufacturing Cu.sub.2-xS@Cu.sub.2-yO core-shell nanoparticles by heating a mixed solution of the Cu.sub.2-xS nanoparticles, an oxidizing agent, and a solvent.

An aqueous barrier coat for formable cellulosic substrates comprises a blend of A) at least one aqueous polymer binder dispersion at 40 wt % to 95 wt %, B) at least one active filler at 3 wt % to 30 wt % and, C) one or more optional additives, such as wetting additives, dispersants, thickeners, defoamers, and crosslinkers. Crystallinity is present in at least one of the polymer binder dispersion and active filler particle. The resulting dried film has a shear storage modulus between 50° C. and 60° C. in the range of 1.5×10.sup.6 to 1×10.sup.9 Pascals, a shear storage modulus between 80° C. and 90° C. in the range of 2×10.sup.5 to 5×10.sup.7 Pascals, and a shear storage modulus between 100° C. and 110° C. is in the range of 5×10.sup.3 to 1×10.sup.6 Pascals. The total weight % of crystalline polymer binder and the crystalline active filler combined is greater than 50%.

A method for preparing a polymer composite material is provided. The method includes steps of mixing and heat-treating a first polymer, a second polymer, and a third polymer to obtain a first mixture, adding a light-transmitting material to the first mixture to obtain a second mixture, adding a nano material to the second mixture to obtain a third mixture, performing subsequent processing on the uniformly mixed third mixture to obtain the polymer composite material. The polymer composite material is configured to replace conventional protective glass in ultrasonic fingerprint recognition technology, and to improve accuracy of fingerprint recognition.