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74731results about How to "Good dispersion" patented technology

Microcapsule of organic phase change energy storage material and preparation method thereof

ActiveCN101555401AHas infrared reflective propertiesHas infrared absorption propertiesEnergy storageHeat-exchange elementsChemistryIn situ polymerization
The invention discloses a microcapsule of an organic phase change energy storage material and a preparation method thereof. The microcapsule of an organic phase change energy storage material comprises a core and a nucleocapsid, wherein the material of the core comprises the organic phase change energy storage material; the nucleocapsid at least comprises an inner layer and an outer layer, the inner layer is packaged by any one of an in situ polymerization method, an interface polymerization method, a reaction phase separating method, a double agglomeration method and a sol-gal process, and the outer layer is packaged by any one of an in situ polymerization method, a reaction phase separating method, a sol-gal process and a double agglomeration method. The microcapsule has adjustable size, nucleocapsid composition and shell thickness, favorable flexibility, mechanical strength, penetrability resistance and dispersibility and can be widely applied to the fields of energy sources, materials, aero-space, textile, electric power, medical apparatus, architecture, and the like, such as solar utilization, industrial afterheat and waste heat recovery, architecture energy storage, dress with constant temperature, air conditioners for cool and heat accumulation, constant temperature of electric appliances, and the like.
Owner:BEIJING NEW BUILDING MATERIAL

Modified conjugated diene polymer and method of producing the same and rubber composition

A novel modified conjugated diene polymer is obtained by polymerizing a conjugated diene compound with a specified catalyst consisting of components (a)-(c) and then reacting with at least one specified compound selected from the group consisting of components (d)-(l), and has a content of cis-1,4-bond of not less than 85% and a ratio of weight average molecular weight to number average molecular weight of not more than 4. And also, a rubber composition comprises the modified conjugated diene polymer a rubber ingredient.
Owner:JSR CORPORATIOON +1

Precursor compositions for the deposition of electrically conductive features

A precursor composition for the deposition and formation of an electrical feature such as a conductive feature. The precursor composition advantageously has a viscosity of at least about 1000 centipoise and can be deposited by screen printing. The precursor composition also has a low conversion temperature, enabling the deposition and conversion to an electrical feature on low temperature substrates. A particularly preferred precursor composition includes silver and / or copper metal for the formation of highly conductive features.
Owner:CABOT CORP

Stable glassy state powder formulations

A powdered, dispersible composition having stable dispersibility over time is provided. The composition exhibits a characteristic glass transition temperature (Tg) and a recommended storage temperature (Ts), wherein the difference between Tg and Ts is at least about 10° C. (i.e. Tg-Ts is greater than 10° C.). The composition comprises a mixture of a pharmaceutically-acceptable glassy matrix and at least one pharmacologically active material within the glassy matrix. It may be further mixed with a powdered, pharmaceutically-acceptable carrier. It is particularly valuable in unit dosage form having a moisture barrier, in combination with appropriate labelling instructions. A process for producing a powdered dispersible composition is also provided, wherein the process comprises removing the solvent from a solution comprising a solvent, a glass former and a pharmacologically active material under conditions sufficient to form a glassy matrix having the pharmacologically active material within the matrix.
Owner:NOVARTIS FARMA

Image-processing method and apparatus, and image-forming apparatus

In an image-processing method and apparatus, dots forming a step-change part of an outline of an image of characters and / or graphics which image is subjected to half-tone processing are detected, and dots surrounding the detected dots forming the step-change part are transformed into respective dot data each having a size that is smaller than a size of the detected dots forming the step-change part. In the image-processing method and apparatus, one of different transformation methods is selected according to an inclination of the outline in order to produce the dot data in the transforming.
Owner:RICOH KK

Aqueous compositions, aqueous cutting fluid using the same, method for preparation thereof, and cutting method using the cutting fluid

An aqueous cutting fluid which can reduce the impact on working environment and the global environment, and can achieve both preventing precipitates from becoming a hard cake and keeping high dispersibility for abrasive grains is provided. Such an aqueous cutting fluid is obtained by a method comprising dispersing abrasive grains (G) in an aqueous composition comprising a dispersion medium (M) containing a hydrophilic alcohol compound such as ethylene glycol, a lipophilic alcohol compound such as propylene glycol and water, and silica colloid particles dispersed stably in the medium. The dispersion medium (M) is odorless and not flammable. The abrasive grains (G) may settle out after a time, but they do not closely contact with one another, and therefore the resulting precipitates do not become a hard cake, which allows the re-dispersion and reuse of precipitated grains. The instant aqueous cutting fluid is inherently low viscous, and the reduction of viscosity owing to the contamination of water and the increase of viscosity owing to contamination of shavings are both moderate. As a result, the cutting fluid has a long life. And articles which have been cut using the cutting fluid can be washed with water. Further, as the dispersion medium (M) is a biodegradable low molecular weight organic compound, a waste liquid from a process using the cutting fluid can be disposed with an activated sludge.
Owner:SHIN-ETSU HANDOTAI CO LTD +1
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