70 results about "Water-reactive" patented technology

The present invention relates to a continuous, horizontal process for making water-reactive pouches, involving the steps of:

The products introduced in the pouch are preferably cleaning compositions or fabric care compositions, in particular laundry or dish washing compositions.

Stabilized fuels and methods for the encapsulation of fuels are provided. More particularly, methods for the passivation or encapsulation of water reactive, hydrogen gas generating fuels. Water reactive fuels are encapsulated in a water vapor permeable, liquid water impermeable membrane, or coated with a water vapor permeable, liquid water impermeable oil substance to control the quantity of water that is permitted to reach the chemical fuel. In the event of damage, hydrogen generators incorporating the fuels of the invention are protected from explosions that might otherwise result from rapid, uncontrolled hydrogen generation.

A method for pretreating a biomass, in which a water-reactive anhydride contacts a biomass, is disclosed. The biomass is pretreated using internal heating by an exothermic reaction. Further, an apparatus for pretreating a biomass having a reaction part including an inlet part and an outlet part for the water-reactive anhydride is disclosed.

The present invention relates to hydrogen generating microporous metals, methods for preparing microporous metals, and methods for producing hydrogen from water using the metals and systems of the invention. In particular, microporous metals selected from the group comprising aluminum (Al), magnesium (Mg), silicon (Si), Iron (Fe) and zinc (Zn), capable of producing hydrogen upon reaction of the metal with water having a neutral pH are provided. Methods for preparing microporous metals comprising the steps of selecting a metal that is sufficiently electropositive (i.e. water reactive); and introducing microporosity in the selected metal by means of mechanical deformation, or metallurgical techniques, in order to generate the microporous metal are also provided, as is a method for producing hydrogen comprising reacting a microporous metal powder with water at a pH of between 4 and 10.

Drying of patterned wafers is achieved in a manner effecting removal of water from the patterned wafers without collapse or deterioration of the pattern structures thereof. The drying is carried out in one aspect of the invention with a composition containing supercritical fluid, and at least one water-reactive agent that chemically reacts with water to form reaction product(s) more soluble in the supercritical fluid than water. Various methodologies are described for use of supercritical fluids to dry patterned wafers, which avoid the (low water solubility) deficiency of supercritical fluids such as supercritical CO₂.

Drying of patterned wafers is achieved in a manner effecting removal of water from the patterned wafers without collapse or deterioration of the pattern structures thereof. The drying is carried out in one aspect of the invention with a composition containing supercritical fluid, and at least one water-reactive agent that chemically reacts with water to form reaction product(s) more soluble in the supercritical fluid than water. Various methodologies are described for use of supercritical fluids to dry patterned wafers, which avoid the (low water solubility) deficiency of supercritical fluids such as supercritical CO2.

Disclosed is a culture medium container such as a bag comprising a main compartment and a locus of containment that contains a nutrient concentrate until it is released at the time of use. The locus of containment may comprise separated compartments defined by frangible seals or seals comprising a water-reactive material. Sachets comprising frangible seals or a water-reactive material are also suitable for the locus of containment. Matrices and coatings comprising water-reactive material are also suitable. Capsules that can be pulverized and/or dissolved may also be used.

A self-resealing septum useful in a closure assembly for a container for storing non-aqueous liquids is provided. The septum having a laminate structure including a first layer of a resilient material derived from bromobutyl rubber and a second layer of a non-elastic polymer. The self-resealing closure assembly includes the septum and a retaining mechanism that is useful for a container assembly that contains a non-aqueous liquid comprising an organic solvent, a liquid organic compound, a water-reactive or oxygen-reactive compound, or a combination thereof.

A self-resealing septum useful in a closure assembly for a container for storing non-aqueous liquids is provided. The septum having a laminate structure including a first layer of a resilient material derived from chlorobutyl rubber and a second layer of a non-elastic polymer. The self-resealing closure assembly includes the septum and a retaining mechanism that is useful for a container assembly that contains a non-aqueous liquid comprising an organic solvent, a liquid organic compound, a water-reactive or oxygen-reactive compound, or a combination thereof.

The present invention relates to an article comprising a first capsule of a water-reactive substance comprising: a) a first solid or liquid composition; and b) a second capsule of a water-reactive substance in which The interior includes a second solid or liquid composition. The invention also provides methods of making such articles. Preferably the article comprises a fabric cleaning composition for laundry, a dishwashing or hard surface cleaning composition or a fabric care composition.

A process for high temperature hydrolysis of halosilanes and halides with the steps of: providing a bed of fluidized particulate material heated to at least 300° C., injecting steam and an excess of reactants into the reactor, removing solid waste from a bottom outlet, removing the effluent gases through a solids removal device such as a cyclone, condensing and separating some of the unreacted waste from the effluent gas in a distillation column and sending the effluent gases containing hydrogen and hydrogen chloride to a compressor. In a preferred embodiment the reactants contain at least one water reactive halide, selected from the group halosilane, organohalosilane, aluminum halide, titanium halide, boron halide, manganese halide, copper halide, iron halide, chromium halide, nickel halide, indium halide, gallium halide and phosphorus halide and where the halide content is selected from chlorine, bromine and iodine.

Described herein are coatings containing water-soluble oligodynamic metal salts that are formulated and applied from hydrophobic solvents In particular, articles of manufacture comprising polymer coatings containing oligodynamic metal salts can include hydrophobic polymer coatings made from water-reactive monomers and hydrophilic polymers compounded in hydrophobic solvents which contain a small amount of water that aids in the solubilization and suspension of the oligodynamic metal salts Methods of preparing these antimicrobial polymer coatings, and methods of coating a substrate to produce an article of manufacture having an antimicrobial polymer coating are also described.

Triazabutadiene molecules that provide adhesive functionality, e.g., triazabutadiene molecules as underwater adhesives or water-reactive adhesives. The triazabutadiene molecules mask an aryl diazonium ion, a highly reactive chemical functionality. Once unmasked, e.g., in water, the diazonium species is adapted to react with an electron rich aryl ring that can undergo diazonium chemistry (e.g., phenol species, resorcinol species, etc.). Triazabutadienes can be used as additives in adhesive systems such as but not limited to epoxy adhesive systems.

The invention relates to waterborne reactive acrylic micro-gel emulsion, waterborne acrylic baking paint and the preparation methods. The micro-gel emulsion is made from the following components through emulsion polymerization: the mixed monomer composed of butyl acrylate, 2-hydroxy ethyl acrylate and acrylic acid; N,N-methylene-bis-acrylamide which serves as the cross-linker; surfactants; free radical initiators; and deionized water; the solid content of the obtained emulsion is 28-35%. The waterborne reactive acrylic micro-gel emulsion and waterborne amino resin are mixed and stirred uniformly based on the mass ratio of 5:1 to11:1, then grinded by a tapered mill until the fineness is less than 20um, and then filtered by a 100-mesh screen to obtain the waterborne acrylic baking paint. Compared with the solvent-type acrylic baking paint widely used on the market, the waterborne acrylic baking paint of the invention has excellent integrated performance, which may entirely replace solvent-related products in the area of industrial coatings and has broad application prospect.

Powdery composition comprising: a) at least one powder in form of core-shell particles, the core comprising liquid water or a liquid aqueous phase and the shell comprising hydrophobic or hydrophobized particles and b) at least one powder comprising carrier and b1) at least partially water soluble liquid and/or b2) a water reactive substrate each located in and/or on the carrier. Process for the manufacture of a creamy composition from the powdery composition according to claim 1 is activated by an energy input in form of pressure, shear, temperature, vibration and/or solvent addition, the energy input being sufficient to release the liquid water or the liquid aqueous phase from the core-shell material, the liquid water or the liquid aqueous phase subsequently is a) dissolving or flushing the at least partially water soluble liquid from the carrier and/or b) activating the water reactive substrate in and/or on the carrier and subsequently dissolving or flushing the product or products obtained by activating from the carrier.

A water-reactive Al composite material which is produced by adding 2.0-3.5 wt% of In, 0.2-0.5 wt% of Si and 0.13-0.25 wt% of Ti to Al, and which can react in an atmosphere in which water is present and can be dissolved, wherein the amounts of the components are the amounts relative to the amount of Al; a water-reactive thermally sprayed Al film produced using the material; a process for producing the thermally sprayed Al film; and a structural member for a film-forming chamber, which is provided with the thermally sprayed Al film on the surface thereof.

An extensible torpedo has a body, a cavity within the body and a water reactive material in communication with the cavity. A mechanism selectively positions the cavity between a first volume and a second volume and also selectively positions the torpedo between a first length and a second length. The second volume and length are greater than the first volume and length. The mechanism introduces ambient water into the cavity in a volume that represents a stoichiometric balance with the amount of water reactive material.

A device which will act efficiently as a float for any article (e.g. keys, mobile telephone, wallet) attached thereto when dropped into water comprises an inflatable bag (14) of substantially waterproof and air impervious material, a container (12) of compressed gas, and trigger means (16,30,32) associated with the container (12) and operable upon immersion of the device in water to open the container (12) and allow gas from the container (14) to inflate the bag (14). The trigger means comprises a valve (16) mounted on the container (12) and connecting the container to the inflatable bag (14), retainer means (30) operative to hold the valve (16) in a closed condition, and water reactive means (32) which, upon contact with water, serves to release the retainer means (30) and allow the valve to open. The water reactive means may comprise a band of material (32), at least part of which is water reactive. The retainer means may comprise a spring (30) which acts directly on the valve (16) to keep it closed against spring bias and the water reactive band (32) may hold the spring (30) under compression until release. In other embodiments the retainer means may comprise a plate or a lever which the water reactive band holds against spring bias of the valve to its open position until release. In another embodiment the retainer means includes a spring held under compression by a water reactive band, which spring, upon release overcomes spring bias of the valve to its closed position. The bag (14), the container (12) and the trigger means are housed a casing (10) and means (37) are provided, preferably integrally on the container (12), for attachment of the device to another article.

The invention relates to a method for preparing a high-activity water-reactive metal material for melting ice or snow, and belongs to the technical field of ice removal. The method comprises the following steps of: mixing metal powder, a catalyst and inorganic salt; setting ball-milling parameters of a ball mill, namely setting a ball-to-material ratio, a ball-milling rotate speed, cycle times, ball-milling time and the like; and putting the mixed materials and a mill ball into the ball mill, milling and combining according to a set ball-milling process to obtain a metal material, and scattering the metal material on the surface of frozen ice or frozen snow uniformly, wherein the active material reacts and releases heat, and the ice and the snow are melted with the reaction of the active material on the surface of the frozen ice or the frozen snow, are separated from the bottom and are melted completely. In the method, the high-activity water-reactive metal material is prepared by a high-energy ball-milling process, and the active material reacts on the surface of the frozen ice or the frozen snow quickly and releases the heat, and has an obvious effect on the quick melting of the frozen ice or the frozen snow.

The invention discloses a water-reactive metal fuel cyclone ramjet steam generator with an aim to solve problems that a steam generator is low in steam quality, limited in use, high in cost and the like. The water-reactive metal fuel cyclone ramjet steam generator comprises a water container, a high-pressure pump, a high-pressure power system, a water pressure stabilization unit, a casing, a cyclone generator, an air supply system, a punching cone, a combustion chamber, a steam-water separator, a metal particle feeding system and a hydrogen collector. Artificial ventilation supercavitation isused to maintain fluid velocity without too much decrease; high-temperature and high-speed water and steam two-phase flow is produced by means of cyclone punching, metal particles are made to fully react with the water, and a large amount of high-temperature and high-speed steam is produced; controllable continuous reaction of the water and the metal particles under normal temperature and pressureconditions is realized, and the steam generator is low in cost, high in efficiency, reasonable in design and capable of adapting to various working conditions and has good application prospects in new marine propulsion systems, industrial steam generation, sewage treatment and disposal, hydrogen preparation, sweater desalination and other fields.

Disclosed is a water-reactive Al composite material which comprises: an Al component selected from 2NAI to 5NAI each having a content of an impurity Cu of 40 ppm or less; and at least one metal selected from In in an amount of 2 to 5 wt% and Bi in an amount of 0.7 to 1.4 wt% both relative to the amount of Al. Also disclosed is a water-reactive Al film produced by using the material. Further disclosed is a method for producing the Al film. Still further disclosed is a structural member for a film-forming chamber, which comprises the water-reactive Al film on its surface.

A method for manufacturing a padded body composed of a skin layer formed in a bag shape and filler made of a granular or fragmental material padded into the skin layer comprising the steps of: mixing the filler and a water reactive binder; padding a mixture of the filler and the binder into the skin layer to form a padded body; and passing steam through the padded body. The binder reacts to the steam so that the filler adheres each other and adheres to an inner surface of the skin layer.

A water-reactive Al composite material which consists essentially of 4N Al (aluminum having a purity of 99.99%) or 5N Al (aluminum having a purity of 99.999%), 0.8 to 1.4wt% of Bi, and 0.25 to 0.7wt% (in total) of Si inclusive of contaminant Si, with each percentage being based on Al; an Al sprayed film produced by using the material; production of the Al film; and a constituent member for a film deposition chamber, which member is provided with the Al sprayed film on the surface.