Patents
Literature

394results about How to "Good water solubility" patented technology

Water resistance tree medium voltage insulated cable material and cable

InactiveCN101281799AGood water solubilityAvoid moisture condensationPlastic/resin/waxes insulatorsGrowth functionCross-linked polyethylene
The present invention provides a WTR medium voltage insulating cable material and a cable made of the material, and pertains to cable domain. A medium voltage WTR irradiated polyethylene insulating material is produced by adding a compound WTR growth promoting agent; the compound WTR growth promoting agent comprises hydrogenated polysaccaride, organized montmorillonite, maleic anhydride grafts, and silicone polymer between molecular weight 1000-5000; the parts by weight of the ingredients of the WTR medium voltage insulating cable material are: low density polyethylene: 100, maleic anhydride grafts: 2-10, hydrogenated polysaccaride: 0.2-1, organized montmorillonite: 0.01-1.5, silicone polymer: 0.01-1.5, cross-linking agent: 2-3, and antioxidant: 0.3-0.5. The insulating material in the present invention has WTR growth function, break through the bottle neck of WT growth of the cable insulation itself, and can prolong the service life of the cables. With the WTR medium voltage insulating cable material, environment protective halogen-free flame retardant medium voltage WTR irradiated polyethylene insulated power cables or PVC medium voltage WTR irradiated polyethylene insulated power cables can be manufactured.
Owner:广州爱宜德高分子材料科技有限公司 +1

Preparation method of submicron CuS (copper sulphide) classification ball

The invention discloses a preparation method of submicron CuS (copper sulphide) classification balls. The method comprises the following steps: adding polymer into a good solvent to dissolve and remove big gel particles; adding copper source solution to the good solvent and stirring; adding sulfur source solution and then stirring; reacting the reaction liquid under 100-1,000 KPa at 100-200 DEG C; naturally cooling to the room temperature to obtain black precipitate; and washing and drying the precipitate to obtain the classification balls. The classification balls has the advantages of cheap and readily available templates, environmental friendliness, safety without toxicity, renewability and high water solubility, the contents of raw materials are abundant in nature and the operation of the reaction system is simple; the size and structure of the prepared classification ball are adjustable: the diameter can be controlled by adjusting the molar weight of the added precursor, the template concentration, the reaction temperature and time and the like; the operation is simple; and the prepared classification balls have wide application value in the fields of catalyst, catalyst carrier, optical equipment, sensor, lithium-ion rechargeable battery cathode material, superconductor and the like.
Owner:GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI +1

Denitration catalyst regeneration solution and preparation method thereof as well as catalyst regeneration method

The invention discloses a denitration catalyst regeneration solution and a preparation method thereof as well as a catalyst regeneration method. The denitration catalyst regeneration solution comprises the following raw material ingredients in parts by weight: 4-6 parts of vanadyl oxalate, 0.08-0.10 part of cerium nitrate, 0.11-0.13 part of lanthanum nitrate, 0.05-0.07 part of copper nitrate, 0.4-0.6 part of silica sol ST-O and 95 parts of deionized water. The catalyst regeneration method comprises the following steps of firstly, evenly mixing vanadyl oxalate and the deionized water; then, feeding cerium nitrate, lanthanum nitrate and copper nitrate into mixed solution, and fully stirring until the mixture is completely dissolved; finally, feeding silica sol ST-O, and continuing to stir until homogeneous phase is obtained; and sequentially carrying out strong scavenging and ultrasonic cleaning on an inactivated denitration catalyst module, soaking the module in cleaning solution for 18-25 minutes, continuing soaking the module in the regeneration solution for 25-40 minutes, taking out the denitration catalyst module and drying. After the denitration catalyst regeneration solution and the catalyst regeneration method are adopted, the activity of the inactivated denitration catalyst can be efficiently recovered, and the temperature range of the catalyst activity is widened.
Owner:江苏万德环保科技有限公司

Preparation method of water-based high flash aluminum pigment for automobiles

The invention discloses a preparation method of a water-based high flash aluminum pigment for automobiles. The method comprises the steps of putting spherical aluminum powder, steel balls as grinding mediums, environmentally friendly solvent oil, oleic acid or erucic acid, and a surfactant into a ball mill, sealing the ball mill, performing ball milling, discharging with the environmentally friendly solvent oil, conveying the materials into a vibrating sieve through a pipeline to sieve, removing screen tailings, performing filter pressing to obtain filter cakes with the solid content being of 80 percent, putting the filter cakes and alcohol or ether solvents with good water compatibility into a reactor for mixing and dispersing, sealing the reactor, increasing the temperature under the protection of inert gases, then dropping water-soluble high polymer monomers and azo-initiators, increasing the temperature after the dropping is finished, holding the temperature, discharging, and performing filter pressing to obtain finished products. The method has the advantages that the environmental protection effect is good; the coating is tight, and a coating layer is difficult to be damaged; the water solubility is good, and the pigment can be directly diluted with water; and the pigment is easy to dissolve in water-based automobile paint systems, and is beneficial to the dispersion of the aluminum pigment.
Owner:HEFEI SUNRISE PIGMENTS

Water-based self-initiating visible light curable resin, and preparation method and application thereof

InactiveCN107602851AGood water solubilityImprove performancePolyamide coatingsUreaSolubility
The invention provides a water-based self-initiating visible light curable resin, and a preparation method and application thereof. The water-based self-initiating visible light curable resin has a structure as shown below in the specification, wherein R is HC=CH; R' is CH2CH(CH3) or (CH2CH2O)P; R'' is (CH2)4 or a benzene ring which is in ortho-position connection with a molecular chain; X is a residue formed after an esterification reaction is performed on hydroxyl of pentaerythritol triallyl ether; Y is a residue formed after an esterification reaction is performed on carboxyl of cinnamic acid; and m/n=1/2.5-2.5/1, s/n=1/2.5-2.5/1, m/s=1/2.5-2.5/1, (m+s)/n=1/5-5/1, and X/Y=1/5-5/1. The preparation method comprises the following steps: mixing dibasic acid, dibasic alcohol and urea; performing a heating reaction at 160-210 DEG C in a nitrogen protective atmosphere for 200-600 minutes; then removing the moisture through distillation; adding the pentaerythritol triallyl ether, and performing a heating reaction at 160-210 DEG C for 60-120 minutes; adding the cinnamic acid, and performing a heating reaction at 160-210 DEG C for 60-120 minutes; and performing cooling. The unsaturated polyester-urea resin provided by the invention has a self-initiating property, also has water solubility and a visible light curing property, and is used for preparation of a water-based self-initiatingvisible light curable paint.
Owner:郭文迅

Method for preparing origanum oil-beta-cyclodextrin inclusion compound feed additive

The invention relates to a method for preparing an origanum oil-beta-cyclodextrin inclusion compound feed additive. The origanum oil-beta-cyclodextrin inclusion compound feed additive is prepared by carrying out clathration on origanum oil and beta-cyclodextrin according to a mass rate of 1: (5-7) through a coprecipitation method. The origanum oil-beta-cyclodextrin inclusion compound feed additive prepared by using the method has improved water solubility and can be directly added with water for being drunk by livestock and poultry. After an inclusion compound is prepared, drug molecules of the origanum oil are prevented from being in contact with the surrounding environment to a certain extent and are avoided being influenced by light, oxygen and hydrolysis conditions, so that the stability of the drug molecules of the origanum oil is improved, the volatilization of the drug molecules of the origanum oil is reduced, the drug effect and the retention period of the origanum oil-beta-cyclodextrin inclusion compound feed additive are prolonged, the stability of a product is improved, the bioavailability is improved and the using effect is obviously strengthened. The origanum oil-beta-cyclodextrin inclusion compound feed additive can be mixed into a livestock feed for use and can also be used as a drinking agent.
Owner:张奎昌

Glass fiber air filter paper with antibacterial property and preparation method thereof

InactiveCN103276629AGood water solubilityGood antibacterial effectSynthetic cellulose/non-cellulose material pulp/paperFiltration separationSodium PyrithionePolyethylene terephthalate glycol
The invention discloses glass fiber air filter paper with an antibacterial property. The glass fiber air filter paper comprises alkali-free glass fibers of which the diameter is 0.1-0.5 micron, alkali-free glass fibers of which the diameter is 1.0-2.0 microns, alkali-free glass fibers of which the diameter is 5-7 microns, glass fiber filter paper manufactured from PET (polyethylene terephthalate) polyester fibers, and a pyrithione derivative antibacterial layer which is attached to the surface of the filter paper. The invention also discloses a method for preparing the glass fiber air filter paper, comprising the following steps of: (1) selecting raw materials according to a mixing ratio; (2) pulping and dispersing the raw materials to obtain a slurry; (3) diluting the slurry and adjusting the PH value; (4) removing residues from the slurry obtained in the step (3), and preparing wet paper by using a wet method forming; (5) dehydrating the wet paper obtained in the step (4); (6) passing the wet paper obtained in the step (5) through a gum solution of a pyrithione derivative; and (7) drying the wet paper obtained in the step (6). The glass fiber air filter paper is excellent in antibacterial and air filtration performances, and is wide in application field.
Owner:CHONGQING ZAISHENG TECH CORP

Preparation method for fatty acid derivate cation asphalt emulsifying agent

The invention relates to a preparation method for a fatty acid derivate cation asphalt emulsifying agent. According to the method, an oil material containing 45-75% of linoleic acid is adopted as a raw material; normal pressure hydrolysis is performed to obtain a mixed fatty acid; the mixed fatty acid reacts with an olefinic acid or an anhydride to obtain a dicarboxylic acid intermediate or a tricarboxylic acid intermediate; the dicarboxylic acid intermediate or the tricarboxylic acid intermediate reacts with a mixed amine with different types to prepare the fatty acid derivate cation asphalt emulsifying agent with characteristics of strong surface activity and small critical micelle concentration. According to the present invention, the preparation method is simple; the raw material is easy to obtain; the prepared fatty acid derivate cation asphalt emulsifying agent has good water solubility, the water solution of the fatty acid derivate cation asphalt emulsifying agent has low surface tension, the critical micelle concentration range is 0.01-0.05 wt.%, the concentration for formation of the micelle is low, and the surface activity is strong; the emulsifying agent of the present invention is used for emulsifying the asphalt, the obtained cation asphalt is the medium breaking type asphalt or the slow breaking type asphalt, has characteristics of fine and uniform particles, and good storage stability, and has wide applicability.
Owner:SHAANXI NORMAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products