C08K2003/2206

CELLULOSIC COMPOSITE MATERIALS AND METHODS THEREOF
20230032048 · 2023-02-02 ·

The present disclosure provides compositions and methods of manufacture of a composite material. In an aspect, the composite material may comprise a cellulosic material and a binder material. In some cases, at least a portion of the cellulosic material may be delignified. In some cases, at least a portion of crystal structure of the cellulosic material may be maintained in the composite material. In some cases, the cellulosic material may comprise a plurality of pores. In some cases, the binder may comprise lime comprising calcium oxide or calcium hydroxide. In some cases, the binder may further comprise silicate.

Polymer alloy comprising a sulphur-containing aromatic polymer and a fluoroelastomer

The present invention relates to a polymer alloy comprising a sulphur-containing aromatic polymer and at least one fluoroelastomer, which has improved dispersibility and improved mechanical properties. The invention also relates to a process for the preparation of said polymer alloy and to an article comprising the same.

FERRITE PARTICLES FOR BONDED MAGNETS, RESIN COMPOSITION FOR BONDED MAGNETS, AND MOLDED PRODUCT USING THE SAME

According to the present invention, there are provided ferrite particles for bonded magnets and a resin composition for bonded magnets which are capable of producing a bonded magnet molded product having a good tensile elongation and exhibiting excellent magnetic properties, as well as a bonded magnet molded product such as a rotor which is obtained by using the resin composition. The present invention relates to ferrite particles for bonded magnets having a bulk density of not less than 0.5 g/cm.sup.3 and less than 0.6 g/cm.sup.3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles, and a molded product obtained by using the ferrite particles and the resin composition.

Metal oxide-containing sol-gel coating formulations

Sol-gel coating formulations including metal oxide particles such as aluminum oxide, calcium oxide, zinc oxide, magnesium oxide, and molybdenum oxide embedded in a hybrid polymer matrix based on a reacted form of a resin composition containing a tetraalkylorthosilicate, an aminoalkylsilane, a dialkoxysilane, and a silanol terminated polydimethylsiloxane. The sol-gel coating formulations are suitable for applications such as anticorrosive protective coatings of metal substrates (e.g. mild steel). These anticorrosive coated metal substrates are evaluated on their hydrophobicity (water contact angle), surface roughness, mechanical strength (e.g. hardness), adhesiveness to the substrate (e.g. critical load), and anticorrosiveness upon exposure to a saline solution (e.g. impedance value).

Positive temperature coefficient film, positive temperature coefficient electrode, positive temperature coefficient separator, and battery comprising the same

Provided herein is a positive temperature coefficient film comprising an inorganic positive temperature coefficient compound. Also provided herein are a positive temperature coefficient electrode, a positive temperature coefficient separator, and a positive temperature coefficient lithium secondary battery, each of which comprises the positive temperature coefficient film.

METHOD FOR FABRICATING NANO-PARTICLE HAVING PEROVSKITE CRYSTALLINE STRUCTURE AND RESIN COMPOSITION INCLUDING THE NANO-PARTICLE

A method for fabricating a nano-particle includes preparing a nano-particle dispersion including a nano-particle having a perovskite structure with a first ligand on a surface thereof and a non-polar solvent; and mixing a silane compound, a halogen compound and the nano-particle dispersion to substitute a silane ligand for the first ligand.

High-purity barium titanate powder, method for producing same, resin composition, and fingerprint sensor

A high-purity barium titanate powder according to the present invention has a Cl.sup.− concentration of 20 ppm or less, an electric conductivity of extracted water of 70 μS/cm or less, and an average particle diameter of 1 μm to 30 μm.

PIEZOELECTRIC DEVICE HAVING IMPROVED PIEZOELECTRIC PROPERTIES
20230122032 · 2023-04-20 ·

A piezoelectric device comprises at least one piezoelectric layer P interposed between two conductive layers E, each layer E forming an electrode, characterized in that the layer P comprises at least one piezoelectric composition based on at least one elastomer matrix comprising predominantly at least one diene elastomer, a piezoelectric inorganic filler, a carbon black and a crosslinking system, and in that the content of piezoelectric inorganic filler is greater than or equal to 5% by volume, relative to the total volume of the piezoelectric composition, and the content of carbon black is greater than or equal to 6% by volume, relative to the total volume of the piezoelectric composition. A tire comprising at least one piezoelectric device defined above is also set forth.

COMPOSITION COMPRISING INORGANIC PARTICLES DISPERSED IN A TRANSPARENT MATERIAL
20230124583 · 2023-04-20 · ·

In particular the present invention relates to polymeric composition comprising scattering particles for lightning applications or light guides. The invention also relates to a process for manufacturing such a polymeric composition comprising scattering particles for lightning applications or light guides. More particularly the present invention relates to a polymeric (meth)acrylic composition comprising inorganic scattering particles for lightning applications or light guides.

CURED SILOXANE COATING AND ANTICORROSION SUBSTRATE FORMED THEREWITH

Sol-gel coating formulations including metal oxide particles such as aluminum oxide, calcium oxide, zinc oxide, magnesium oxide, and molybdenum oxide embedded in a hybrid polymer matrix based on a reacted form of a resin composition containing a tetraalkylorthosilicate, an aminoalkylsilane, a dialkoxysilane, and a silanol terminated polydimethylsiloxane. The sol-gel coating formulations are suitable for applications such as anticorrosive protective coatings of metal substrates (e.g. mild steel). These anticorrosive coated metal substrates are evaluated on their hydrophobicity (water contact angle), surface roughness, mechanical strength (e.g. hardness), adhesiveness to the substrate (e.g. critical load), and anticorrosiveness upon exposure to a saline solution (e.g. impedance value).