It is an object of the present invention to provide ultrafine cellulose fibers capable of exhibiting favorable dispersibility even in an organic solvent. The present invention relates to cellulose fibers having a fiber width of 1000 nm or less and having phosphoric acid groups or phosphoric acid group-derived substituents, wherein the content of the phosphoric acid groups or phosphoric acid group-derived substituents is 0.5 mmol/g or more, and the supernatant yield measured by an measurement method (a) is 70% or less.

It is an object of the present invention to provide ultrafine cellulose fibers capable of exhibiting favorable dispersibility even in an organic solvent. The present invention relates to cellulose fibers having a fiber width of 1000 nm or less and having phosphoric acid groups or phosphoric acid group-derived substituents, wherein the content of the phosphoric acid groups or phosphoric acid group-derived substituents is 0.5 mmol/g or more, and the supernatant yield measured by an measurement method (a) is 70% or less.

Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.

Articles comprising a surface or porous substrate and having on said surface or porous substrate a coating comprising microfibrillated cellulose or nanocellulose, methods of applying a coating comprising microfibrillated cellulose or nanocellulose to a surface or porous substrate, compositions comprising microfibrillated cellulose or nanocellulose, and the use of such compositions in methods of preparing an antimicrobial surface coating, and improving filtration efficiency and preparing an antimicrobial surface and/or antiviral surface coating.

Articles comprising a surface or porous substrate and having on said surface or porous substrate a coating comprising microfibrillated cellulose or nanocellulose, methods of applying a coating comprising microfibrillated cellulose or nanocellulose to a surface or porous substrate, compositions comprising microfibrillated cellulose or nanocellulose, and the use of such compositions in methods of preparing an antimicrobial surface coating, and improving filtration efficiency and preparing an antimicrobial surface and/or antiviral surface coating.

A nucleating agent composition, a method of forming the nucleating agent and a device comprising the nucleating agent composition are provided. The nucleating agent comprises a nucleating agent comprises silver halide salt with an average particle size of at least 10 nanometer to no more than 100 microns in a polymeric matrix wherein the polymeric matrix has a viscosity of at least 500 cP to no more than 50,000 cP.

A nucleating agent composition, a method of forming the nucleating agent and a device comprising the nucleating agent composition are provided. The nucleating agent comprises a nucleating agent comprises silver halide salt with an average particle size of at least 10 nanometer to no more than 100 microns in a polymeric matrix wherein the polymeric matrix has a viscosity of at least 500 cP to no more than 50,000 cP.

A wet friction material includes a base including a matrix of fibers and filler particles embedded in the matrix of fibers; a binder embedded in an interior of the base; and a quaternary ammonium salt containing coating on an outer surface of the base. The quaternary ammonium salt containing coating can include a quaternary ammonium salt and a solution binder.

A wet friction material includes a base including a matrix of fibers and filler particles embedded in the matrix of fibers; a binder embedded in an interior of the base; and a quaternary ammonium salt containing coating on an outer surface of the base. The quaternary ammonium salt containing coating can include a quaternary ammonium salt and a solution binder.

The present disclosure relates to redox active materials, such as the compound of formula (I), comprising at least one 2,5-dithio-7-azabicyclo(2.2.1)heptane unit connected to a surface thereof, as well as processes for making said redox active materials. The present disclosure relates to a method for recovering a metal, comprising reacting a metal in oxidized state with said redox active material. The present disclosure relates to uses of these redox active materials in sensors, electronic materials and for extracting metals.