34results about How to "Avoid easy decomposition" patented technology

The invention discloses a metal-based diamond laser composite coating and a preparation method thereof. The preparation method comprises the following steps: firstly selecting high-hardness metal powder and diamond powder with proper grain size and shape, uniformly mixing the high-hardness metal powder and the diamond powder by using a ball-milling method, and finally preparing the composite coating on a matrix by using a method of synchronously compounding a laser texturing technology, a laser heat treatment technology and a cold spraying technology. The thickness of the composite coating is over 1mm, and the diamond volume content in the coating is more than 45%. The preparation of the composite coating by using the high-hardness metal powder as the diamond binding phase is realized, and the binding strength of the composite coating and the matrix is improved through the pulse texturing treatment, and finally the stable and high-quality high-hardness metal-based / diamond composite high wear-resisting coating is prepared, and the integration, the automation and the efficiency of the matrix surface treatment and the coating deposition treatment are realized.

α-Ketol unsaturated fatty acid derivatives represented by the general formula (1); and plant growth regulators containing the same, which develop plant growth regulation performance such as flower bud formation acceleration in low concentrations and are excellent in stability: wherein R1 is straight-chain C1-5 alkyl or a straight-chain unsaturated C3-5 hydrocarbon group having one or two double bonds; and R2 is straight-chain C1-15 alkylene or a straight-chain unsaturated C2-15 hydrocarbon chain having one to three double bonds, with the proviso that the number of carbon-carbon double bonds is at most four.

The present invention provides supported peroxides, and a method of forming supported peroxides. Supported peroxides according to the invention are solid particles that include an organic peroxide and a metallic soap. In accordance with the method of the invention, supported peroxides are preferably formed by dispersing a mixture that includes at least one peroxide and at least one C4 to C30 carboxylic acid into an aqueous solution that includes a compound that is capable of reacting with the C4 to C30 carboxylic acid to form a water soluble soap. Dispersing the mixture into the aqueous solution results in the formation of an emulsion. A polyvalent metal compound that is capable of reacting with the water soluble soap to form a water insoluble metallic soap is then added to the emulsion, which converts the water soluble soap into a water insoluble metallic soap that precipitates from the solution. The organic peroxide is entrained within the precipitate.

A modified bio-related substance, wherein at least one poly(alkylene glycol)oxy group represented by the following formula (1) is combined in a molecule:wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OA1 and OA2 are each an oxyalkylene group having 2 to 4 carbon atoms, the groups represented by R are the same or different from each other in one molecule, and the groups represented by OA2 are the same or different from each other in one molecule, n and m are each average number of moles of the oxyalkylene group added, n represents 0 to 1000, and m represents 10 to 1000.

The present invention provides supported peroxides, and a method of forming supported peroxides. Supported peroxides according to the invention are solid particles that include an organic peroxide and a metallic soap. In accordance with the method of the invention, supported peroxides are preferably formed by dispersing a mixture that includes at least one peroxide and at least one C4 to C30 carboxylic acid into an aqueous solution that includes a compound that is capable of reacting with the C4 to C30 carboxylic acid to form a water soluble soap. Dispersing the mixture into the aqueous solution results in the formation of an emulsion. A polyvalent metal compound that is capable of reacting with the water soluble soap to form a water insoluble metallic soap is then added to the emulsion, which converts the water soluble soap into a water insoluble metallic soap that precipitates from the solution. The organic peroxide is entrained within the precipitate.

A polyalkylene glycol derivative containing a compound of the formula (1):wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OA2 is an oxyalkylene group having 2 to 4 carbon atoms, the groups represented by R are the same or different from each other in one molecule, the groups represented by OA2 are the same or different from each other in one molecule, m is an average number of moles of the oxyalkylene group added, m represents 10 to 1000, and X represents a functional group capable of chemically reactive with a bio-related substance,polydispersity Mw / Mn of the above polyalkylene glycol derivative in gel permeation chromatography satisfying the following relationship:Mw / Mn≦1.07wherein Mw represents a weight average molecular weight and Mn represents a number average molecular weight.

A modified bio-related substance, wherein at least one poly(alkylene glycol)oxy group represented by the following formula (1) is combined in a molecule:wherein R is a hydrocarbon group having 1 to 24 carbon atoms, OA1 and OA2 are each an oxyalkylene group having 2 to 4 carbon atoms, the groups represented by R are the same or different from each other in one molecule, and the groups represented by OA2 are the same or different from each other in one molecule, n and m are each average number of moles of the oxyalkylene group added, n represents 0 to 1000, and m represents 10 to 1000.

A polyfunctional polyoxyalkylene compound represented by the following formula (1):wherein Z represents a hydroxyl group-removed residue of pentaerythritol or dipentaerythritol, R represents a hydrocarbon group having 1 to 24 carbon atoms, OA1 and OA2 represent an oxyalkylene group having 2 to 4 carbon atoms, L1 and L2 represent an alkylene group which may have an ester bond or the like in the alkylene chain or at the terminal end, and X represents a functional group capable of reacting chemically; R, OA1, OA2, L1, and L2 are the same or different from one another in one molecule, m and n are an average number of moles of the oxyalkylene group added, m represents 5 to 1,000, and n represents 0 to 1,000; p and q represent 0 or 1; r1+r2=4 or 6; and r1 and r2 are an integer of 2 or more.

A conductive polymer doped with a dopant can be expanded and contracted when electrically oxidized and reduced in a driving electrolytic solution containing an anion, and thereby can act as an actuator element in an actuator. The anion is a fluorine-containing ion derived from a strong acid, and the dopant is an aromatic sulfonate ion free of fluorine. The conductive polymer is a polymer containing a 5-membered heterocyclic moiety as a repeating unit, such as a polypyrrole or a polythiophene. When the conductive polymer is in an oxidized state, at least part of the 5-membered heterocyclic moieties has a carbonyl group.

The present invention provides supported peroxides, and a method of forming supported peroxides. Supported peroxides according to the invention are solid particles that include an organic peroxide, a metallic soap, and a polymer. In accordance with the method of the invention, supported peroxides are preferably formed by dispersing a mixture that includes at least one peroxide and at least one C4 to C30 carboxylic acid into an aqueous solution that includes a compound that is capable of reacting with the C4 to C30 carboxylic acid to form a water soluble soap. Dispersing the mixture into the aqueous solution results in the formation of an emulsion. Polymer is then added to the emulsion, and forms a polymer suspension. A polyvalent metal compound that is capable of reacting with the water soluble soap to form a water insoluble metallic soap is then added to the polymer suspension, which converts the water soluble soap into a water insoluble metallic soap that precipitates from the suspension. The organic peroxide and the polymer are entrained within the precipitate.

The present invention provides the photocatalyst sheet and the methods of welding and manufacturing the same, by which the substrate and resin of the photocatalyst-containing layer are not decomposed by photocatalyst particles, mutual welding of sheets is easy, and the photo-redox effect of a photocatalyst can be obtained. A photocatalyst sheet (1b) comprises a substrate (2) such as fiber and coated layers (3) on both sides of the substrate (2), and the coated layer (3) constitutes the photocatalyst-containing layer in which apatite-coated photocatalyst particles (4) are dispersed and fixed with resin. Here, the coated photocatalyst particles (4) on the surface of the photocatalyst-containing layer are so fixed as to have the parts exposed from the surface of the photocatalyst-containing layer. In case that photocatalyst sheets (1b) are mutually welded, the photocatalyst-containing layer of each photocatalyst sheet (1b) is not removed, and its surface is mutually held, and welded together by thermal welding or others.

The present invention provides a rocuronium preparation with an excellent stability. The rocuronium preparation contains rocuronium and a buffer solution and having an adjusted pH of 3.5 or less (for example, 2.5 to 3.5). The buffer solution may be a citric acid-sodium hydroxide buffer solution, a tartaric acid-sodium hydroxide buffer solution, a potassium hydrogen phthalate-hydrochloric acid buffer solution, a glycine-hydrochloric acid buffer solution, or the like. Such a rocuronium preparation has, for example, after 6-month storage at 40° C., a generation rate of rocuronium-related substance C of 5% or less.

The present invention relates to a method of adsorbing and reducing nitrogen oxides using a mixed metal oxide catalyst, and more particularly, to a method of improving the efficiency of adsorption and desorption of nitrogen oxides using a mixed metal oxide catalyst prepared from a hydrotalcite precursor. According to the invention, NOx and N2O, which coexist with oxygen (O2) known to be very difficult to reduce and decompose, are efficiently decomposed by adsorbing and separating NOx and N2O from oxygen and then decomposing the adsorbed NOx and N2O using a reducing agent.