A graphene dispersion includes a graphene and a polyol compound selected from the group consisting of an aromatic polyol represented by Formula (I), and a modified aromatic polyol made by subjecting the aromatic polyol represented by Formula (I) and an epoxidized vegetable oil to a ring opening reaction,

##STR00001## wherein p and q are independently integers ranging from 1 to 20. A method for preparing the graphene dispersion, a composition for preparing a polyurethane composite material, and a polyurethane composite material made from the composition are also disclosed.

A method is disclosed for improving alkaline solution resistance of a thermoplastic resin by blending an aromatic polyvalent carboxylic acid ester into the thermoplastic resin. Preferably, 1 to 15 parts by mass of the aromatic polyvalent carboxylic acid ester are blended with respect to 100 parts by mass of the thermoplastic resin. Additionally, an aromatic polyvalent carboxylic acid ester can be used for improving alkaline solution resistance of a thermoplastic resin. An alkaline solution resistance improving agent is also disclosed for a thermoplastic resin, the alkaline solution resistance improving agent containing an aromatic polyvalent carboxylic acid ester.

The present invention provides a method capable of easily mixing any liquid containing a linking substance such as a divalent metal cation and the like with a liquid containing a particular compound at a high concentration, and capable of producing a liquid medium composition comprising fine structures dispersed therein, and a production device therefor and a kit therefor. The first liquid containing a particular compound is passed through a through-hole having a given cross-sectional area formed in a nozzle part at a given flow rate and injected into the second liquid at a given flow rate. By this simple operation, a structure in which the particular compound is bonded via the linking substance is formed, and the structure is preferably dispersed in a mixture of the both liquids.

Herein is disclosed an elastomeric silicone composition comprising at least a first and a second glycerol phase which are distinct from each other and a method of making the same. The elastomeric compositions are special therein that zero-order active substance release can reversibly be obtained by modifying the glycerol content of the silicone composition.

A method for producing aluminum oxide is provided. The method uses an aluminum-oxide-forming agent containing a partially hydrolyzed aluminum alkyl compound containing an aluminum trialkyl or a mixture thereof, and a solvent. It is thus possible to produce an aluminum oxide thin film or aluminum oxide particles on or in a substrate that is not resistant to polar solvents. A method of producing a polyolefin-based polymer nanocomposite containing zinc oxide particles or aluminum oxide particles using a solution containing a partially hydrolyzed zinc alkyl or a solution containing a partially hydrolyzed aluminum alkyl is also provided. The polyolefin-based polymer nanocomposite contains a polyolefin substrate and zinc oxide particles or aluminum oxide particles, and does not contain a dispersant. The zinc oxide particles or aluminum oxide particles have an average particle size of less than 100 nm.

The present disclosure relates to a process for dyeing a hydrolysis-resistant polyester film. The process comprises dyeing of a hydrolysis resistant polyester film in a dye bath comprising at least one coloring agent (dye), at least one polyhydric alcohol, and optionally at least one UV absorber to obtain a dyed film. The dyed film is subjected to quenching followed by cleaning and drying to obtain a dyed hydrolysis-resistant polyester film. The process of the present disclosure is simple, economical, improve hydrolysis resistance, and also retains the mechanical properties of the film when exposed to harsh environmental conditions.

A composite and method for producing the composite by incorporating wood or wood pulp fibres with a suitable thermoplastic polymer and coupling agent are described. Homogeneous, void-free transparent/translucent thermoplastic materials in the form of pellets, films or three-dimensional moldable products are produced. The wood pulp fibres can be discrete natural fibres, and flexible assemblies of nano to micro elements, e.g., assemblies of aggregated carbon nanotubes. It is also possible to use our vacuum-assisted co-extrusion process to produce hybrid composites comprising the wood pulp fibre and a further rigid fibre, like glass or carbon fibres, and a flexible fibre or fibrillar network, like cellulose fibres or cellulose filaments. The thermoplastic resin can be, but not limited to, polyolefins, like polypropylene or polyethylene, or polyesters, like polylactic acid, or co-polymers, like acrylonitrile-butadiene-styrene terpolymer.

This invention concerns a novel method to produce thermosets such as epoxies and polyurethanes comprising nano-cellulose. The method comprises contacting primarily water-bourne dispersed nano-cellulose with liquid thermoset precursors, specifically epoxy or amine in the case of epoxies, or glycols or similar in the case of polyurethanes. Nano-cellulose transfers to the organic phase, and water is removed at temperatures below 100° C. Thereafter the organic phase comprising nano-cellulose can be mixed with the reactive counterpart to yield nano-composites with improved properties. The products can be used for composite articles, coatings, adhesives, sealants, and other end-uses. Preferred embodiments are described in detail.

A method for producing nano-composites comprising graphitic carbon nitride reduced to nano size, having high electrical conductivity is provided. The method includes the steps of: producing graphitic carbon nitride (g-C.sub.3N.sub.4) having a chemical formula (C.sub.3N.sub.4).sub.m, applying an obtained g-C.sub.3N.sub.4 powder via an ultrasonic homogenization method on concentrations, obtaining a nano g-C.sub.3N.sub.4 suspension, wherein a size of the nano g-C.sub.3N.sub.4 suspension changes between 10-100 nm as a result of applying the ultrasonic homogenization method, obtaining polyaniline with a chemical formula (C.sub.6H.sub.7N).sub.n in an emeraldine salt form, obtaining a nano-composite, mixing in aniline or aniline-HCl water at concentrations of 0.1-1 mol/L, adding a nano graphitic carbon (nano g-C.sub.3N.sub.4) into a mixture and mixing between 10-60 minutes, carrying out a polymerization process by adding an oxidant to the mixture and obtaining the nano composite having the high electrical conductivity.

A cellulose fiber-reinforced polypropylene resin formed body that is a resin formed body having respective diffraction peaks observed at positions of a scattering vector s of 1.61±0.1 nm.sup.−1, 1.92±0.1 nm.sup.−1, and 3.86±0.1 nm.sup.−1 in a wide-angle X-ray diffraction measurement, and is characterized by having ΔT calculated by the following formula (1) of 40.0° C. or more; and a cellulose fiber-reinforced polypropylene resin formed body that is a resin formed body having the above diffraction peaks and is characterized by having ΔT.sub.m and ΔT.sub.c expressed by the following formulae (2) and (3) and satisfying ΔT.sub.m<ΔT.sub.c; and a producing method of these.

ΔT=T.sub.m(PP Cell)−T.sub.c(PP Cell)  (1)

ΔT.sub.m=T.sub.m(PP)−T.sub.m(PP Cell)  (2)

ΔT.sub.c=T.sub.c(PP)−T.sub.c(PP Cell)  (3)