C09C1/3072

Nanocomposite body, method of manufacturing the same, and nanocomposite film including the nanocomposite body

Provided are a nanocomposite body, a method of manufacturing the nanocomposite body, and a nanocomposite film including the nanocomposite body. The nanocomposite body includes: inorganic particles; a polymer matrix; and grafting polymer chains each of which includes a polyol structure, wherein the inorganic particles and the polymer matrix are linked by the grafting polymer chains.

SUBSTRATE COATINGS: SYSTEMS, METHODS, AND TECHNIQUES

Systems and methods relate to applying a coating to a substrate. Coatings can be generated using layer-by-layer application techniques. Typically, application of a first aqueous solution is alternated with application of a second aqueous solution. Example first aqueous solutions include polyethyleneimine (PEI) and hydroxy-terminated poly(dimethylsiloxane) (PDMS-OH). Example second aqueous solutions include silicate and PDMS-OH. In some instances, first aqueous solutions and/or second aqueous solutions additionally include methyl-terminated PDMS (PDMS-CH.sub.3).

Negative active material, preparation method thereof, and related secondary battery, battery module, battery pack and apparatus

This application belongs to the field of energy storage technology, and specifically discloses a negative active material including SiO.sub.x particles and a modified polymer coating layer covering the SiO.sub.x particles, in which 0<x<2; wherein the negative active material has a peak intensity I.sub.1 at the Raman shift ranging from 280 cm.sup.−1 to 345 cm.sup.−1, a peak intensity 12 at the Raman shift ranging from 450 cm.sup.−1 to 530 cm.sup.−1, and a peak intensity 13 at the Raman shift ranging from 900 cm.sup.−1 to 960 cm.sup.−1, and I.sub.1, I.sub.2 and I.sub.3 satisfy 0.1≤I.sub.1/I.sub.2≤0.6, and 0.2≤I.sub.3/I.sub.2≤1.0. This application also discloses a method for preparing a negative active material and related secondary batteries, battery modules, battery packs and apparatus.

POLYURETHANE-SILICA COMPOSITE-BASED COATING COMPOSITION, POLYURETHANE-SILICA COMPOSITE FILM, AND METHOD OF PREPARING THE SAME
20220195212 · 2022-06-23 ·

Disclosed is a coating composition which includes: polyurethane; and amphiphilic nanoparticles having an amine functional group and a fluorine functional group in their structure. Further provided are a polyurethane-silica composite film including e coating composition and a method of preparing the same.

CONDUCTIVE PARTICLE AND MANUFACTURING METHOD THEREOF, ADHESIVE AND APPLICATION THEREOF
20220089917 · 2022-03-24 · ·

The disclosure relates to a conductive particle and a manufacturing method thereof, an adhesive and an application thereof. The conductive particle includes a core, a conductive carbon layer and a conductive polymer layer. The conductive carbon layer covers the core, and the conductive polymer layer is provided on the conductive carbon layer. The conductivity of the conductive particle is higher.

Polyurethane-silica composite-based coating composition, polyurethane-silica composite film, and method of preparing the same

Disclosed is a coating composition which includes: polyurethane; and amphiphilic silica nanoparticles having an amine functional group and a fluorine functional group in their structure. Further provided are a polyurethane-silica composite film including the coating composition and a method of preparing the same.

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

The invention relates to a process for the preparation of a novel precipitated silica, wherein: a silicate is reacted with an acidifying agent, so as to obtain a silica suspension; said silica suspension is filtered, so as to obtain a filter cake; said filter cake is subjected to a liquefaction operation, in the absence of an aluminium compound; wherein a mixture of polycarboxylic acids is added to the filter cake, during or after the liquefaction operation. It also relates to novel precipitated silicas and to their uses.

Method for preparing precipitated silicas, novel precipitated silicas, and uses thereof, particularly for polymer reinforcement

The invention relates to a process for preparing a precipitated silica, to precipitated silicas, and to uses thereof. The process of the invention generally includes reacting a silicate with an acidifying agent, so as to obtain a suspension of precipitated silica; filtering the precipitated silica to obtain a filter cake; subjecting the filter cake to a liquefaction operation to form a second filter cake; and drying the second filter cake. In the process of the invention, at least one polycarboxylic acid is added to the filter cake, during or after the liquefaction operation

Fluorinated proton-conducting inorganic particles and use of said particles in proton-conducting membranes

Silica particles bonded to polymer chains consisting of at least one polymer comprising at least one fluorinated styrene repeating unit comprising at least one proton-conducting group, optionally in the form of a salt, the bonding between the particles and each of the chains being carried out by an organic spacer group.

POROUS COMPOSITE FILLER COMPOSITIONS

A composite filler comprising thermally processed porous inorganic mixed particles of silica and at least one heteroparticle selected from the group consisting of zirconia, hafnia, or yttria and a polymer occupying the pores of the porous inorganic mixed particles, wherein the porous inorganic mixed particles are thermally processed at a temperature of from 650 to 900° C., as well as a dental restorative comprising a resin and a composite filler, and optionally other fillers, wherein said resin has a refractive index that increases upon curing, and wherein the opacities of the both uncured and cured restorative are less than 45.