Nissan Chemical Industries Limited

Nissan Chemical Corporation

Hirosaki University

Niigata University

Masahiro Hida

Masaaki Ozawa

Taku Kato

Naoya Nishimura

Tatsuya Hatanaka

Yasuyuki Koide

Masanobu Sagisaka

Yasufumi Shikauchi

Shuhei Yamada

Tadayuki Isaji

Hisato Hayashi

Daigo Saito

Natsumi Murakami

Takeshi Suwa

Norio Tsubokawa

Masashi Abe

Tomoya Maeta

Kotaro Kudo

Shuho Iwama

Takeshi Yamauchi

A reactive silicone composition including component (S) and component (T) below, the component (S): a reactive silicone compound including a condensation product of a diaryl silicate compound represented by Formula [1] and a silicon compound represented by Formula [2], (wherein Arand Areach independently represent a phenyl group optionally substituted by a Calkyl group and X represents a hydrolyzable reactive group), the component (T): modified titanium oxide-containing oxide colloidal particles produced by bonding an organosilicon compound to surfaces of titanium oxide-containing oxide colloidal particles (C) having an average particle diameter of from 2 to 100 nm and including, as a core, titanium oxide-containing metal oxide colloidal particles (A), surfaces of which are coated with a coating including silicon dioxide- and tin oxide-containing composite oxide colloidal particles (B).

Reactive silicone composition and cured product thereof

Forsterite particles have an average size of 0.1 μm to 10 μm and a dielectric loss tangent of 0.0003 to 0.0025. Sphericity=(Average particle size (μm) measured with a laser diffraction particle size distribution analyzer)/(Average primary particle size (μm) calculated by conversion using specific surface area measured by a nitrogen gas adsorption method) may be from 1.0 to 3.3. This method for producing forsterite particles may include: step (A): mixing a magnesium compound as a magnesium source and a silicon compound as a silicon source so MgO/SiOhas a molar ratio of 1.90 to 2.10 to prepare particles; step (B): putting the particles prepared in step (A) into a hydrocarbon combustion flame to recover the resulting particles; and step (C): firing the particles obtained in step (B) at 700° C. to 1100° C. The ratio between a resin and the particles may be 1:0.001 to 1000 by mass ratio.

Spherical forsterite particles, method for producing the same, and resin composition including spherical forsterite particles

The aminosilane-modified colloidal silica dispersion contains colloidal silica particles having surfaces to which there are bound a first silyl group represented by the following formula (1): RSi(OR)O&#x2014; and a second silyl group represented by the following formula (2): RSi(OR)O&#x2014; and, as a dispersion medium, a mixed solvent formed of a polar solvent S1 having a dielectric constant at 20&#xb0; C. of 15 or higher and lower than 60 and a non-polar solvent S2 having a dielectric constant at 20&#xb0; C. of 1 or higher and lower than 15, at a mass ratio (S1/S2) of 0.3 to 6.

Aminosilane-modified colloidal silica dispersion and method of manufacturing same

The invention provides silane-treated forsterite microparticles having a specific surface area of 5 to 100 m/g, wherein 1 to 5 silyl groups are bound to 1 nmof the surface area thereof.

Silane-treated forsterite fine particles and production method therefor, and organic solvent dispersion of silane-treated forsterite fine particles and production method therefor

A conductive composition containing carbon nanotubes, a carbon nanotube dispersant, and a dopant precursor, wherein the dispersant is a non-conjugated polymer compound having an aromatic ring as the repeating unit, and the dopant precursor is an acid-generating agent which generates cation by being subjected to light and/or heat. The aforementioned conductive composition is capable of stably dispersing carbon nanotubes and of efficiently doping same without damaging the conductive properties of the carbon nanotubes.

Conductive composition, and conductive complex

Disclosed is a carbon nano-tube dispersant comprising a highly branched polymer having a repeating unit represented by, for example, formula (12) or (13), wherein the highly branched polymer is produced by the polycondensation of a triarylamine compound and an aldehyde compound and/or a ketone compound in the presence of an acid catalyst. The carbon nano-tube dispersant enables the dispersion of CNTs in a medium such as an organic solvent until the CNTs are so decomposed as to have an individual size.  (In the formula, Z1 and Z2 independently represent a hydrogen atom, a phenyl group, a thienyl group, or the like.)

Carbon nano-tube dispersant

There is provided a highly branched hydrocarbon based surfactant for stabilizing a water/supercritical carbon dioxide microemulsion. A surfactant comprising: a sulfate compound of Formula (1):R&#x2014;OSOM&#x2003;&#x2003;(1)(where Ris a Chydrocarbon group having a branched chain; and M is a hydrogen atom, an alkali metal, ammonium, a basic amino acid residue, an alkanolamine residue having a Chydroxyalkyl group, or an aliphatic alkanolammonium) for stabilizing a water/supercritical carbon dioxide microemulsion.

Surfactant for stabilizing water/supercritical carbon dioxide microemulsion

A method for producing a phenylphosphonic acid metal salt composition, including reacting a phenylphosphonic acid compound (a) with a metal salt, metal oxide or metal hydroxide (b) that is present in an amount beyond the equivalent, the phenylphosphonic acid metal salt composition containing phenylphosphonic acid metal salt, and a surplus amount of the metal salt, the metal oxide or the surplus metal hydroxide (b). A crystal nucleating agent comprises the phenylphosphonic acid metal salt composition produced by the method.

Method for producing phenylphosphonic acid metal salt composition, and crystal nucleating agent therefrom

A surfactant for water/supercritical carbon dioxide microemulsions that can achieve high water dispersion ability, water/supercritical carbon dioxide microemulsion forming ability under a moderate condition, and high water solubilization rate and that reduces burden on the environment and ecosystem. Provided are a surfactant for stabilizing a water/supercritical carbon dioxide microemulsion including a compound of Formula (I) and a water/supercritical carbon dioxide microemulsion including the surfactant. The compound of Formula (I) has the structure: 

Surfactant

A polymer containing a triazine ring-containing repeating unit structure represented by, for example, formula (23) or (24), which alone can achieve high heat resistance, high transparency, high refraction index, high solubility, and low volume shrinkage, without adding a metal oxide. 

Triazine ring-containing polymer and film-forming composition comprising same

A polymer containing a triazine ring-containing repeating unit structure represented by, for example, formula (23) or (24), which alone can achieve high heat resistance, high transparency, high refraction index, high solubility and low volume shrinkage, without adding a metal oxide. 

Growing community of inventors

Funabashi, Japan

Masahiro Hida