822 results about "Ion release" patented technology

According to the present invention, a composition and method for hydraulically fracturing a subterranean formation is provided. The composition comprises an aqueous mixture of a hydrated polysaccharide, preferably a galactomannan gum, the hydrated polysaccharide having a plurality of bonding sites; a crosslinking agent for crosslinking the hydrated polysaccharide at the bonding sites at the conditions of the subterranean formation with a polyvalent metal ion to form a polyvalent metal crosslink, thereby increasing the viscosity of the hydrated polysaccharide; and a controlled solubility compound for releasing a chelating agent for controllably breaking the polyvalent metal crosslink and bonding with the polyvalent metal ion released by breaking the crosslink, thereby decreasing the viscosity of the hydrated polysaccharide. The method comprises the steps of injecting the above-described composition into the subterranean formation at fracturing pressures; allowing the controlled solubility compound to begin breaking the polyvalent metal crosslink, thereby reducing the viscosity of the hydrated polysaccharide and yielding a lower viscosity fluid; and removing the lower viscosity fluid from the subterranean formation.

The production process of health ceramic brick capable of releasing negative ion includes introducing nanometer negative ion powder comprising tourmaline 20-40 wt%, dravite 10-20 wt%, nanometer TiO2 20-40 wt% and composite RE salt 5-12 wt%, making the nanometer negative ion powder combined well with ceramic base and sintering at 1080-1200 deg.c inside roller hearth kiln. The health ceramic brick has stable negative ion releasing function in health level and radiation performance index meeting relevant requirement.

Silver and/or zinc ion releasing implants, systems and method of operating, inserting and activating/inactivating them are described. In some variations the implant is configured as a bone implant that includes a bone-screw or intramedullary rod like body configured to receive a treatment cartridge having a plurality of ion-releasing members configured as an anode that can controllably engage with a catheter to turn galvanic release of ions on/off as desired. These devices may be configured to release silver ions (and/or zinc ions) above a predetermined level for a predetermined period of time and may maintain a concentration of ions over a relatively large volume of tissue. The ion-releasing members may be configured to reduce or prevent implant movement.

The invention discloses a traditional Chinese medicine pillow with active carbon. The traditional Chinese medicine pillow with the active carbon comprises a medicine pillow cover as well as a packaging layer, an active carbon layer and a traditional Chinese medicine layer which are arranged in the medicine pillow cover, wherein the active carbon layer consists of a double-layer breathable layer and active carbon particles filled in the double-layer breathable layer; the traditional Chinese medicine layer consists of a single-layer breathable layer and traditional Chinese medicine ingredients packaged in the single-layer breathable layer; the active carbon layer is of a cylindrical or elliptic cylinder hollow structure; the traditional Chinese medicine layer is arranged in the hollow structure; and the packaging layer is filled with a flexible and breathable material and packages the active carbon layer. According to the traditional Chinese medicine pillow with active carbon, the strong sorption capacity, a sterilization function, an oxidation resistance function, a negative ion release function and other functions of the active carbon and the health preserving function, health protection function, disease preventing and treating function of traditional Chinese medicines are combined into a whole, thereby providing a safe, comfortable and healthy medicine pillow for people.

The invention relates to element-negative-ion-releasing sterilizing mite-preventing electromagnetic-wave-preventing fire-retarding nano-grade fabric used in vehicles. The invention belongs to the technical field of textile fiber fabric production of vehicle-use nano-grade decorative fabric with functions of refreshing and air-purifying. The fabric is a nano-grade functional healthy textile. The nano-grade fabric provided by the invention is produced form chitosan, which is a natural high polymer extracted from shells of shellfishes, crabs and shrimps; a natural antibiotic humectant SCJ-920; a high-efficiency mite-preventing antibacterial agent SCJ-998; nano-grade negative-ion powder SCJ-900; negative-ion far infrared healthcare slurry 700; a fire retarding finishing agent ATF; an aromatic finishing agent SCM; electromagnetic-wave-preventing ferrites Fe2O3, Fe3O4, and Fe; substances such as TiO2, Al2O3, and ZnO used for providing far infrared radiation; an Ag-embedded nano-TiO2 (AT) antibacterial agent; nano-grade selenium or organic selenium which is rare on earth; organic germanium, Chinese herbal medicines, essential oil, maifanite, tourmaline nano-grade powder and other materials. A mixture of the materials is added to cotton, linen, wool, silk, polyamide fiber, acrylic fiber, terylene or viscose fiber spinning liquid, and the nano-grade fabric is produced through weaving.

The present invention provides methods and compositions for sealing subterranean zones containing oil to prevent the uncontrolled flow of fluids into or from the zones. The compositions basically comprise water, a phosphonic acid ester, a multivalent metal ion releasing compound and an organophilic clay.

The invention relates to an antibiosis multifunctional fiber material and a relative preparation, wherein the material is composed of polypropylene and antibiosis multifunctional mother particles which mass ratio is 80-85:15-20, the mother particle comprises 4-5% negative ion micro powder, 5-8% optical catalysis micro powder, 2-3% far infrared micro powder, 4-5% inorganic antibiosis powder, and 60-78% PP (polypropylene) as mass percentage. The material is extruded into the mother particles to be mixed with the polypropylene, spinned, drawn, twisted and oiled. The antibiosis rate of the invention can reach 99%, which can remove 80% formaldehyde in 2h, while the negative ion release rate is 1000r/cm3.

The invention relates to a preparation method of an antibacterial metal organic framework composite nanofiber, and belongs to the technical field of antibacterial functional materials. The preparation method comprises the steps that silver metal organic framework nanoparticles are subjected to particle surface modifying through an auxiliary and then blended with a macromoleclar polymer in a solvent to obtain a raw material solution, and then the composite nanofiber is prepared through an electrostatic spinning technique. The composite nanofiber prepared through the method is good in stability and can effectively control the metal ion releasing concentration and speed and achieve the long-acting durable antibacterial effect, and the antibacterial rates of the composite nanofiber prepared through the method on staphylococcus aureus and escherichia coli both reach 99% or above. Accordingly, not only is the simple and convenient method for preparing the antibacterial metal organic framework composite nanofiber provided, but also the composite nanofiber prepared through the method can be applied to the related fields such as medical instruments, medical dressings, product packaging and textiles and has the good application prospect.

An ion source for a mass spectrometer is disclosed comprising a lens and mirror arrangement which focuses a laser beam onto the upper surface of a target substrate. The lens has an effective focal length ≦300 mm. The laser beam is directed onto the target substrate at an angle θ with respect to the perpendicular to the target substrate, wherein θ≦3°. One or more ion guides receive ions released from the target substrate and onwardly transmit the ions along an ion path which substantially bypasses the lens and mirror.

The present invention releases a method of producing a metal separator for a solid polymer fuel cell by stainless steel, titanium, or titanium alloy during which securing lower cost and mass producibility by using a material having a high workability to form a complicated shape by a high productivity, then using an inexpensive blast process to drive a conductive substance into the surface of the metal separator member, that is, provides a stainless steel, titanium, or titanium alloy solid polymer fuel cell separator comprised of stainless steel, titanium, or titanium alloy in the surface of which a low ion release conductive substance is buried, having an arithmetic mean roughness (Ra) of the separator surface of 0.5 to 5.0 μm, having a 10-point mean roughness (Rz) of 3 to 20 μm, having an average spacing of surface relief shapes (Sm) of 300 μm or less, having values of a warp rate and twist rate of a separator of 0.1 or less, and having a contact resistance value with respect to carbon paper of 15 mΩcm² or less at a surface pressure of 1 MPa.

The invention discloses a glaze which can generate negative ion and is characterized in that: the prescription of the glaze also contains a stimulating material that can generate tourmaline microcrystalline structures and an energy transferring material. The main composing scope (proportion by weight) of the prescription of the glaze is as follows: SiO2: 40 percent to 70 percent, Al2O3: 5 percent to 15 percent, K2O+Na2O: 5 percent to 10 percent, CaO: 0.1 percent to 12 percent, MgO: 0.1 percent to 10 percent, ZnO: 0.1 percent to 10 percent, B2O3: 0.1 percent to 10 percent; the stimulating material: 0.1 percent to 10 percent and the energy transferring material: 0.1 percent to 10 percent. The preparation method of the invention comprises the following steps: first, fusion cakes is prepared; the materials of the prescription are mixed in mixture ratio and fused and then quenched rapidly to prepare into the fusion cakes; second, sintering is carried out after the fusion cakes are prepared; finally, finished products are obtained by grinding. The application method of the glaze is that: 2 percent to 15 percent of the glaze is added to a glaze of a building sanitary ceramics and goes through glaze application and then is sintered into glaze at 800 DEG C to 1300 DEG C. The glaze of the invention has the advantages of having good release effect of the negative ion, and being environmental-friendly, etc.

The preparation process of artificial PVC leather and synthetic PU leather to release negative ion effectively includes the following steps: treating tourmaline mineral through sorting, water selecting, eliminating impurity, airflow grinding, acid or alkali treating; mechanical and chemical compounding tourmaline powder with RE salt or oxide and nanometer semiconductor material to obtain nanometer composite tourmaline material; adding the nanometer composite tourmaline material in 1.5-20 wt% into the material for artificial PVC leather and synthetic PU leather; and conventional artificial leather preparing process. The present invention added the negative ion releasing function to artificial PVC leather and synthetic PU leather, and negative ion with powerful oxidizing property is utilized to destroy bacteria's activity and to deodorize through reaction with various bad smell, such as ammonia, benzene, formaldehyde, etc.

The invention discloses an ion exchange desalting method and an ion exchange desalting device. The method comprises the following steps of: 1) absorbing highly-acid anions in water by adopting weakly-alkaline anion exchange resin; 2) performing precipitation or filtration on the water; and 3) absorbing cations in the water by adopting cation exchange resin. The method and the device have the advantages that: OH<-> ions released by the weakly-alkaline anion exchange resin are bonded with bicarbonate ions HCO3<-> in the water to form carbonate CO3<2->, and the carbonate CO3<2-> forms insoluble electrolyte with calcium and magnesium ions in the water to partially remove dissolved electrolyte from the water and reduce the using amount of acids in a regeneration process; simultaneously, the weakly-alkaline anion exchange resin does not absorb silicate, so the use of excessive alkaline is avoided in the regeneration process and the using amount of the alkaline is reduced in the regeneration process; and a carbon-removal process can be selectively adopted, so a process flow is simplified.

The invention relates to an environmental friendly putty for removing formaldehyde, eliminating electromagnetic radiation and insulating and preserving heat, which comprises the following raw materials in parts by weight: 2-3 parts of nano-grade titanium dioxide, 2-3 parts of nano-grade silicon dioxide, 3-5 parts of polar mineral tourmaline powder, 1-2 parts of zinc oxide micropowder, 0.5-1.5 parts of inorganic antibacterial powder, 4-6 parts of conducting powder, 3-5 parts of thickening agent, 10-12 parts of adhesive, 0.8-1.5 parts of fiber, 0.3-0.5 part of dispersing agent, 0.2-0.5 part of defoaming agent, 1-3 parts of titanium pigment, 3-5 parts of talcum powder, 35.5-39 parts of heavy calcium carbonate, 0.2-0.5 part of adjusting agent, 0.5-1.5 parts of glycol, 4-5 parts of nano-grade porous silicon dioxide, 4-5 parts of hollow microsphere and 6-29 parts of water. The invention has the effects of formaldehyde elimination, odor removal, bacterium resistance, mould prevention, electromagnetic radiation resistance, heat insulation and preservation, negative ion release and air purification in addition to have all performance indexes of multifunctional environmental friendly putty.

The present invention is directed to devices with enhanced biocompatibility and methods for generating and utilizing such devices. The present invention is further directed to enhanced biocompatibility utilizing oligonucleotide functionalization. In one aspect, a device for implantation and/or prolonged exposure to the body tissues includes a functionalized surface. The functionalized surface generally enhances the biocompatibility of the device with body tissues. In some embodiments, the functionalized surface includes substances for controlling interaction between the device and the body tissues. Substances for controlling interactions may include, but are not limited to, polymeric materials, biomolecules, ions and/or ion-releasing substances, and/or any other appropriate substance or combination thereof. In exemplary embodiments, the functionalized surface includes oligonucleotides for controlling interaction between the device and the body tissues. In some exemplary embodiments, the oligonucleotides are aptamers.

A silica-based nanoformulation and method is used to treat citrus canker, inhibit the growth of mold and mildew, and add nutrients to soil used for agricultural purposes. The nanotechnology-enabled copper-loaded, silica nanoformulation (CuSiNP/NG) design is a “revolutionary re-invention” of Cu for safe application because it provides a formulation with maximum abundance of ionic Cu, provides sustained and optimal Cu ion release for long-term disease protection, better adherence to plant surfaces and structural surfaces due to gel-based nanostructure of CuSiNG, thus avoiding multiple spray applications and reducing the amount of Cu used in comparison to existing Cu compounds without compromising antibacterial activity. Thus, the silica-based nanoformulation releases copper in non-toxic quantities to the environment and the silica matrix provides an environmentally safe host material with a flexible design that is optimized to provide specific antifungal and antibacterial remediation using infrequent applications.

Disclosed is a method for manufacturing a solid electrolytic capacitor in which a capacitor element has conductive polymer solid electrolyte on a dielectric oxide film layer. The method includes the following processes: forming a manganese oxide layer on the dielectric oxide film layer; and chemically polymerizing a reaction solution containing a monomer, aromatic sulfonic acid, and a solvent using the manganese oxide layer as an oxidizing agent. Here, polyhydric alcohol capable of being coordinated to manganese ions released from the manganese oxide layer is made to coexist with the chemical polymerization reaction.

The present invention discloses a kind of inorganic disinfectant and its preparation process. The inorganic disinfectant consists of tourmaline 50-90 weight portions; photocatalytic material or nanometer TiO2, ZnO, CdO or SnO2, preferably nanometer anatase TiO 25-25 weight portions; compound RE salt or RE oxide of La, Ce, Nd, Sm, Pr, Eu or Y as the synergistic promoter 4-30 weight portions; and soluble metal oxide or metal salt 1-2 weight portions. The inorganic disinfectant has photocatalytic effect, negative ion releasing function, far infrared function and metal ion sterilization effect, so that it has synergistic disinfecting effect.

The present invention relates to a preparation method of negative ion release, far-infrared and fire retardation composite function polyester fibers with effects of permanent negative ion release and good far-infrared radiation performance, wherein ethylene glycol (EG) and refined p-phthalic acid (PTA) are adopted as main materials, a phosphorus-based polymerization type fire retardation agent 2-carboxyethyl(phenyl) phosphinic acid (CEPPA), negative ion powder (such as nano-scale tourmaline and the like), far-infrared nano-scale ceramic powder, a catalyst, a matting agent and other auxiliary agents are added, and esterification, condensation polymerization and spinning are performed to prepare the modified polyester fibers. According to the present invention, the fire retardation property is good, the environmentally friendly and permanent fire retardation is provided, the P content is up to 7000-14000 PPm, and the fire retardation property of the woven fabric can meet the fabric fire retardation grade 1; the fibers have the permanent negative ion release function, and the released negative ion amount is 800-5000/cm<3>; and the far-infrared radiation property is good.

The invention discloses a negative-ion eco-ceramic tile and a preparation method thereof, belonging to the field of ceramic tiles. The negative-ion eco-ceramic tile comprises a ceramic blank body, namely a bottom layer, and a negative-ion glaze layer, namely a surface layer, wherein the negative-ion glaze layer contains the following raw materials in percentage by weight: 30-35% of potassium feldspar, 15-30% of soda feldspar, 25-30% of diatomite, 3-20% of clay, 5-10% of quartz and 3-8% of indium-containing high-temperature-resistant rare-earth composite material powder. The preparation method of the negative-ion eco-ceramic tile, disclosed by the invention, comprises the steps of carrying out ball milling on the glaze raw materials, sieving so as to prepare a negative-ion glaze material, glazing the surface of the ceramic blank body, carrying out press molding, drying, penetrating and cooling. According to the preparation method of the negative-ion eco-ceramic tile, the negative-ion eco-ceramic tile which has the advantages of being optimal in negative ion release amount and low in cost, being environmental-friendly and safe and being very beneficial to the health of human beings is provided through reasonably proportioning the glaze raw materials and combining full glazing and secondary material distributing technologies.

The invention discloses a method for preparing a porous tourmaline slab with photocatalytic performance. Tourmaline, quartz, feldspar, kaolin and glass powder are used as raw materials; and sawdust or coconut shells is/are used as a pore forming agent. The method comprises the following steps of: performing dry pressing, drying, sintering at the temperature of between 650 and 750 DEG C to form a porous tourmaline base slab, coating nano TiO2 sol prepared by titanium alkoxide hydrolysis on the porous tourmaline base slab by adopting a vacuum impregnation method, roasting, and thus obtaining the nano TiO2 supported porous tourmaline slab. The method solves the problems that nano TiO2 powder is fine and difficult to separate and reclaim and the like; and the porous tourmaline slab has high specific surface area, efficient photocatalytic property and negative ion release property. The photocatalytic property is tested by adopting degradable methyl orange, namely the nano TiO2 supported porous tourmaline slab and nano TiO2 microspheres are respectively put into 50 milliliters of 10mg/L methyl orange solution, irradiated for 4 hours by using an ultraviolet lamp and then separated, and the absorbance of the porous tourmaline slab and the nano TiO2 microspheres is tested. By calculating the degradation rate of the methyl orange, the nano TiO2 supported porous tourmaline slab has high degradation property on the methyl orange, and the degradation property is nearly improved by 40 percent compared with the nano TiO2 microspheres.

The invention relates to the technical field of functional architectural coatings, and aims to provide a negative ion based paint. The negative ion based paint is prepared by mixing the following raw materials in parts by weight: 20-50 parts of synthetic resin emulsion; 5-30 parts of a negative ion additive; 15-30 parts of filler; 5-10 parts of an aid and 20-40 parts of deionized water; the negative ion based paint can be used as a main raw material for preparation of negative ion texture coatings, and is a new type coating ingredient product. By introduction of a negative ion additive into the negative ion based paint, a film forming matter of a final coating product has continued negative ion releasing function. At the same time, the preparation method of the negative ion based paint is simple and convenient, and can reduce the industrial production cost. In addition, the negative ion coatings prepared from the negative ion based paint have low VOC (volatile organic compounds) content, can greatly reduce the environmental pollution, are environmentally-friendly, can be used for residential buildings, commercial buildings, public buildings and other places, and has broad application prospects.