Patent classifications
C08K2003/2217
LOW-VOID POLYURETHANES
Disclosed is a moisture-cured polyurethane adhesive containing 0.5% to 40% by weight of layered double hydroxide particles dispersed in the polyurethane. Also disclosed is a curable resin composition including a polyurethane prepolymer with an isocyanate component and a polyol component. The polyurethane prepolymer is curable with moisture and contains layered double oxide particles dispersed in the prepolymer in an amount from 0.5% to 40% by weight of the composition. A method of making a polyurethane adhesive is also disclosed.
Quantum dot emitting diode and quantum dot display device including the same
A quantum dot emitting diode includes first and second electrodes facing each other; a quantum dot emitting material layer between the first and second electrodes; and an electron transporting layer including an electron transporting material and disposed between the quantum dot emitting material layer and the second electrode, wherein the electron transporting material includes a core of metal oxide and a shell of silica.
FLAME-RETARDANT VIBRATION ISOLATION RUBBER COMPOSITION AND FLAME-RETARDANT VIBRATION ISOLATION RUBBER MEMBER
A flame-retardant vibration isolation rubber composition comprises the following (A) to (D), the proportion of (B) being 20-150 parts by mass, the proportion of (C) being 0.01-5.0 parts by mass, and the proportion of (D) being 10-80 parts by mass with respect to 100 parts by mass of (A), which makes it possible to provide a flame-retardant vibration isolation rubber composition and a flame-retardant vibration isolation rubber member that are excellent in vibration isolation rubber properties such as rubber physical characteristics and dynamic magnification while maintaining flame-retardant property. In the flame-retardant vibration isolation rubber composition, (A) is a diene rubber, (B) is a metal hydroxide, (C) is a dihydrazide compound, and (D) is a carbon black.
Polymer composition and sterilizable articles obtainable therefrom
The invention relates to a composition [composition (C)] comprising a poly(biphenyl ether sulfone) polymer [polymer (P)] and selected metal oxides in specific amounts. Composition (C) can be advantageously used for the manufacture of sterilizable shaped articles.
Water soluble shopping bag and preparation method thereof
A water-soluble shopping bag and a preparation method thereof. The water-soluble shopping bag consists of the following components according to the following parts by weight: 100 parts of polyvinyl alcohol, 8-20 parts of a composite plasticizer; 10-30 parts of a polysaccharide and the derivative thereof; 1-5 parts of a processing aid, 0.1-0.5 parts of a film slipping agent and 0.5-3.0 parts of a film anti-blocking agent. The preparation method comprises the following steps: mixing the components according to the parts by weight, extruding the mixture to form pellets after mixing, then performing blow molding to form a film, and then preparing various types and sizes of water-soluble shopping bags. The water-soluble shopping bag has higher bearing capacity and cold water solubility, is suitable for use in water-free environment, and dissolves upon contacting water without producing pollution after being used.
Deacidifying and reinforcing agent for cellulose acetate film
A method for preparing a deacidifying and reinforcing agent for a cellulose acetate film includes steps of: ultrasonically dispersing a nanometer alkaline oxide into an ethyl cellulose n-butanol solution, so as to form a nanometer alkaline oxide suspension, then adding a mixture of E51 EPOXY RESIN and a curing agent thereof; wherein the nanometer alkaline oxide is a nanometer magnesium oxide, a nanometer cerium oxide, a nanometer magnesium hydroxide, a nanometer potassium carbonate, a nanometer calcium hydroxide or a nanometer barium hydroxide. A method for using the deacidifying and reinforcing agent includes steps of: evenly applying the deacidifying and reinforcing agent on a surface of a cellulose acetate film.
Polychloroprene compositions
Essentially ETU-free cross linkable compositions comprising chloroprene rubber, a cross-linker and a vulcanization accelerator, which have a defined content of ions from the second or third main group and resinate anions and thus possesses improved curing characteristics, a process for vulcanization of such compositions and vulcanizates obtained thereby.
Transmission V-Belt
A power transmission V-belt includes a tension member, an adhesion rubber layer in which at least part of the tension member is embedded, and a tension rubber layer and a compression rubber layer stacked via the adhesion rubber layer. A rubber hardness of the tension rubber layer is smaller than a rubber hardness of the compression rubber layer. In the adhesion rubber layer, a rubber hardness on a tension rubber layer side relative to the tension member is smaller than a rubber hardness on a compression rubber layer side.
CURABLE FLUOROELASTOMER COMPOSITION
A curable composition comprising a fluorinated amorphous fluoropolymer, and fluorinated sulfonamide crosslinking agent of the formula.
EPOXY RESIN COMPOSITION FOR SEMICONDUCTOR ENCAPSULATION AND SEMICONDUCTOR DEVICE
Provided are an epoxy resin composition for semiconductor encapsulation; and a semiconductor device having a cured product of such composition. The composition has a superior curability, and a metal layer (plated layer) can be selectively and easily formed on the surface of or inside the cured product of this composition via an electroless plating treatment. The composition of the present invention contains: (A) an epoxy resin; (B) a phenolic curing agent; (C) a curing accelerator having a urea structure; (D) a laser direct structuring additive; and (E) an inorganic filler.