425results about How to "Appropriate viscosity" patented technology

A composition suitable for topical application comprising a continuous phase and at least one discontinuous phase, said composition comprising at least one polyaphron dispersion, at least one vitamin D or vitamin D analogue and at least one corticosteroid.

The present invention relates to a personal care article that comprises a single chamber package and a liquid personal care product. The package comprises a dispensing orifice, a first zone proximate to the dispensing orifice and a second zone distal to the dispensing orifice. The liquid personal care product comprises a first personal care composition substantially disposed within the first zone and the second personal care composition substantially disposed within the second zone. The first composition comprises a first fragrance character and the second composition comprises a second fragrance character; wherein the first fragrance character is distinct from the second fragrance character.

The invention discloses a method for preparing a porous ceramic filter membrane by low-temperature sintering. The method comprises the following steps: mixing and stirring ceramic aggregate particles, a sintering aid, deionized water, a dispersant and a defoamer, then carrying out vacuum pressure maintaining to remove a gas in the obtained filter membrane layer slurry; soaking a support body material in the filter membrane layer slurry, then obtaining a membrane layer on the support material by a pulling method, and then sintering at 700-1070 DEG C to obtain the porous ceramic filter membrane. According to the method, the porous ceramic membrane product which is high in strength, resistant to wear and corrosion, long in life and low in cost is obtained by optimally proportioning the sintering aid, the dispersant and the defoamer, preparing the ceramic membrane layer slurry system with high stability and proper viscosity, regulating the pulling method of the ceramic support body with a high porosity and a large hole diameter in the prefabricated membrane layer slurry system, thereby obtaining a uniform and asymmetrical porous ceramic membrane blank on the whole surface of a specified position of the support body material, and finally drying stage by stage and rapidly sintering at a low temperature of 1100 DEG C so as to obtain a porous ceramic filter membrane product with high intensity, abrasion resistance, corrosion resistance, long service life and low cost.

The invention discloses a method for preparing aqueous polyurethane-acrylate composite emulsion. The method comprises the following steps of: synthesizing aqueous polyurethane prepolymer by using dihydric alcohol polymer, diisocyanate and hydrophilic chain extender in the absence of a metal catalyst and an organic solvent, blocking ends of the prepolymer by using a vinyl compound, then neutralizing the polymer, dripping water into the polymer to perform self-emulsification, extending the chain to obtain aqueous polyurethane dispersion, and dripping initiator dissolved acrylate monomer into the dispersion in the absence of additional emulsifier to perform polymerization so as to obtain the aqueous polyurethane-acrylate composite emulsion with high solid content. The solid content of the composite emulsion is over 45 percent; and the preparation process does not use any solvent or metal catalyst, has no pollutant discharge, and is a pollution-free production process. The obtained environmentally-friendly aqueous polyurethane-acrylate composite emulsion with high solid content can be used as adhesive, coating and the like.

The invention discloses quantum dot ink used for ink-jet printing and a preparation method thereof. The quantum dot ink comprises the following ingredients in parts by weight: 5-20% of quantum dot and 80.0-95.0% of solvent, wherein the solvent comprises at least one alkane and/or arene organic solvent and at least one small molecule ether organic solvent, and the dosage of the small molecule ether organic solvent is 1.0-80.0% of the total weight of the solvent. The quantum dot ink has proper viscosity and surface tension, the requirement of an ink-jet printer on membrane performance can be met, and the ink-jet printing way of a quantum dot luminescent layer is realized. Through the ink-jet printing method, the quantum dot luminescent layer with a pixel dot matrix is formed by deposition; meanwhile, through post-processing, organic substances in the quantum dot luminescent layer prepared by printing can volatilize, so that the electric charge transmission of the quantum dot luminescent layer can be conveniently carried out, starting voltage is lowered, and therefore, electrons and cavities can carry out compound radiation luminescence.

The invention relates to a cyanate resin for hot-melt prepregs and a preparation method thereof, belonging to the technical field of hot-melt prepregs. The cyanate resin is composed of 60-95 parts of modified cyanate resin and 5-40 parts of toughener. The cyanate resin for hot-melt prepregs has the advantages of simple technique and no solvent volatilization, and is suitable for industrial production. A hot-melt process can be adopted to prepare the prepreg. The prepreg has favorable manufacturability and long storage period. The prepared cyanate resin fiber composite material has the advantages of higher comprehensive mechanical properties, favorable heat resistance and favorable radiation resistance, can widely satisfy the requirements for high-performance aerospace structure materials, and has favorable application prospects.

An optical semiconductor apparatus can be configured by mounting an optical semiconductor element on a package substrate using a solder paste. The optical semiconductor apparatus can include a package substrate and a metal die pad formed on the substrate, and an optical semiconductor element bonded to the die pad with a solder material. The substrate can be made of a ceramic base material. A plurality of through holes can be formed in the substrate so that the through holes penetrate both the substrate base material and the die pad. Each of the through holes can have an inner surface where the ceramic base material is exposed. Each through hole can have an opening diameter greater than or equal to 40 μm and less than or equal to 100 μm. The plurality of through holes can be formed such that the total area of the openings of the through holes is 50% or less of the bonded area between the optical semiconductor element and the die pad including the through holes covered with the solder material. The through holes can be covered with the solder material at the upper end thereof where the optical semiconductor element and the die pad are bonded to each other.

The invention discloses a pure polyester resin for TGIC cured high temperature resistant powder coatings. The acid value, the glass transition temperature, the softening point and the 200DEG C melt viscosity of the pure polyester resin are 30-35mgKOH/g, 70-78DEG C, 112-118DEG C and 15000-20000mPa.s respectively. The pure polyester resin is obtained through a melt condensation polymerization reaction of monomers comprising 33-38mass% of diol, 58-65mass% of aromatic dibasic acid, and 1.5-5mass% of polyol. The invention also discloses a preparation method of the pure polyester resin. The pure polyester resin has a high glass transition temperature and is suitable for a TGIC curing system, and powder coatings prepared by using the pure polyester resin have the advantages of excellent heat resistance, and no gloss loss and high gloss retention of coating layers baked at 270DEG C for 2h or baked at 300DEG C for 0.5h.

The invention relates to a preparation method of an optical relievo illusion glazed brick, which comprises the following steps: A. preparation of special basic glaze powder; B. preparation of special fancy glaze material; C. preparation of special fancy glaze printing glaze; D. special fancy glaze printing; and E. product firing system. By optimizing the compositions of the special basic glaze powder, special fancy glaze material, printing oil and special fancy glaze printing glaze as well as the firing technique and the like, optimized special rubber rollers or printing silk screen plate with optimized meshes can be used for printing the special fancy glaze on the base glaze, surface glaze and common fancy glaze green body, and the green body is fired at high temperature, so that the special fancy glaze pattern sinks into the common surface glaze and fancy glaze. The obtained product does not have the special fancy glaze pattern when viewed from the front side, but has the clear delicate pattern with relievo illusion effect when viewed from the lateral side, thereby achieving the dreamy illusion effect. The special fancy glaze has favorable transparency, does not destroy the original decorative pattern, and overcomes the defect of single decorative style in the existing glazed brick.

The invention discloses a crack-resistant waterborne coating which comprises the following raw materials in parts by weight: 60-80 parts of a modified polyurethane emulsion, 20-30 parts of an acrylic emulsion, 15-25 parts of a pigment, 10-20 parts of a filler, 3-5 parts of 2,2,4-trimethyl-1,3-pentanediolmono(2-methylpropanoate), 4-5 parts of sodium dodecyl sulfate, 0.2-0.4 part of a flatting agent, 0.1-0.2 part of an emulsifying agent OP-10, 0.1-0.2 part of a de-foaming agent, 0.2-0.4 part of a wetting agent 265, 0.2-0.4 part of sodium carboxymethyl cellulose, 0.6-0.8 part of gamma-(2,3-epoxypropoxy) mercaptopropyltrimethoxysilane, 0.2-0.4 part of a mildew preventive and 10-18 parts of water. The crack-resistant waterborne coating disclosed by the invention has good toughness, impact performance, crack resistance and bonding performance.

The invention provides an addition solidifying type organosilicone composition having proper viscosity (ejecting property), nonliquidity (shape stability when being heated for solidification), and excellent optical reflection, and a photosemiconductor apparatus using the same. The addition solidifying organosilicone composition is particularly applicable to the reflecting material of the LED with self-adhesiveness. The self-adhesiveness addition solidifying type organosilicone composition applicable to photosemiconductor apparatus comprises the following procedures: (A) one molecule comprises at least two organopolysiloxanes of alkenyl bonded with the silicon atom, 100 parts by mass; (B) one molecule comprises at least two hydrogen atoms bonded with silicon atoms and at least one organic polysiloxane of the alkoxy, with the general Si-H-yl number being 1.4-5.0 times of the general alkene-yl number of the component (A); (C) fumed silica, relative to 100 parts by mass of the components (A) and (B), has 8 to 30 parts by mass; (D) white pigment; and (E) solidifying catalyst.

The invention provides a crystallizer covering slag for continuously casting high-manganese high-aluminum steel and preparation method of the crystallizer covering slag. The covering slag is prepared from the following components in parts by weight: 20-38 parts of CaO, 20-35 parts of Al2O3, 5-18 parts of SiO2, 10-22 parts of BaO, 2-7 parts of Li2O, 5-12 parts of F<->, 1-4 parts of MgO, 2-8 parts of C and Fe2O3 which is less than or equal to 2 parts. According to the preparation method disclosed by the invention, wollastonite, limestone, quartz sand, fluorite, bauxite, barium carbonate, magnesia, soda, lithium carbonate and carbonaceous materials are used as raw materials, and the covering slag is prepared through the following steps of: calculating of consumption, melting, smashing, fine grinding, drying and granulation. The covering slag disclosed by the invention has the characteristics of being low in reactivity and good in property stability, the lubrication and the thermal transmission of casting blanks can be effectively coordinated and controlled, the smooth performing of the continuous casting process of the high-manganese high-aluminum steel can be guaranteed, high-manganese high-aluminum steel continuous casting blanks with excellent surface quality are cast, and multi-heat continuous casting can be realized.

A fibrous membrane with porous cross-section structure features that the number of pores is 5,7 or 9, the pore wall shows five-layer bidirectional asymmetric structure consisting of external compact layer, finger pore supporting layer, sponge layer containing micropores, finger pore layer and internal compact layer, and its water permeability is 100-900 L/sq.m.h. Its preparing process is also disclosed.

A hydraulic fluid of the present invention contains, as a base oil, an ester having two or more ring structures, the two or more ring structures being at least one selected from an aromatic ring and a saturated naphthenic ring. Particularly, the hydraulic fluid contains an ester having two or more aromatic rings as the base oil. The hydraulic fluid has low energy loss due to compression and exhibits excellent responsiveness when being used in a hydraulic circuit. Consequently, the hydraulic fluid realizes energy-saving, high-speed operation and high precision of control in the hydraulic circuit.

A rice flour used for steaming pork to make the steamed pork have a certain adhesion for shaping, additional small and taste and rich nutrients is prepared from the clean rice, parched rice, flavouring and parched seeds of plant (peanut, soybean, sesame and sunflower).

A stiffener-reinforced microelectrode array probe and fabrication method using wicking channel-distributed adhesives which temporarily adheres a flexible device onto a rigid stiffener for insertion and extraction. Assembly is by dispensing a liquid adhesive into a narrow open groove wicking channel formed on the stiffener so that the adhesive is wicked along and tills the channel by capillary action, and adhering the adhesive-filled bonding side of the elongated section of the rigid substrate to a flexible device.

The present invention provides a magnesium alloy rare earth compound flux and its production method. Its composition includes (wt%) 40-55% of magnesium chloride, 15-25% of potassium chloride, 12-25% of sodium chloride, 1-6% of calcium chloride, 5-15% of calcium fluoride, 1-8% of barium chloride and 3-10% of rare earth activator. Said ivnention flux has high activity, proper melting point, density, viscosity and surface tension, and can greatly raise mechanical property of magnesium alloy and corrosion resistance.

The invention discloses a coating method of a silicon carbide ceramic membrane for high-temperature filtration. The method comprises the following steps: preparing an inorganic silicon carbide membrane slurry material which is stable, good in dispersibility and excellent in membrane-forming property by utilizing one or multiple solvents of glycerol, propylene glycol, ethanol, ethylene glycol and triethylene glycol; coating the filtering membrane by utilizing the air spraying technology; and performing heat treatment, thereby preparing the silicon carbide ceramic membrane which is uniform and integrated, controllable in thickness and large in size. Based on the reasonable design of a ceramic bonding agent for the filtering membrane, the chemical stability and the bonding strength of the filtering membrane are improved. The prepared silicon carbide ceramic membrane is simple in preparation process and easy in membrane-forming condition control, realizes reduction in cost and is convenient for industrialized production. The composite filtering material obtained by sintering at high temperature is suitable for the filtration purification of high-temperature fluids such as molten metal, high-temperature flue gas and the like.