385results about How to "Reduce water permeability" patented technology

In a light emitting device using a light emitting element, the invention provides a sealing structure capable of preventing ingress of moisture from the outside and obtaining adequate reliability. The light emitting device has a light emitting element comprising a light emitting layer formed between a first electrode and a second electrode and a pixel portion comprising the light emitting element. The entire surface of the pixel portion is covered with the second electrode. An impermeable insulating film is formed in contact with the first electrode of the light emitting element. The edge of the first electrode and the impermeable insulating film are covered with a partition wall. An opening is formed along the circumference of the pixel portion in the partition wall. The opening passes through the partition wall in the thickness direction, and the side wall and the bottom face thereof are covered with the second electrode.

This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, reduced chemical dissolution and re-deposition, and improved rot and fire resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness.

The invention relates to waterproof moisture permeation polyurethane paint used for textiles and a preparation method. The waterproof moisture permeation polyurethane paint is prepared from methyl diphenylene diisocyanate, toluene di-isocyanate, polyether glycol (with the molecular weight of 2000), linear dihydroxylated alkylsiloxane (with the molecular weight of 1000), polyester dihydric alcohol (with the molecular weight of 2000), trimethylolpropane, chain extending agents, sealing compounds, dibutyl tin laurate and solvents through the processes of pre-polymerization reaction, chain extension reaction and sealing reaction. The production process is simple, and the products have the advantages of self-crosslinking effect, soft hand feeling, good cold resistance performance, high moisture permeation performance, high water pressure resistance and little reduction after water pressure resistance washing.

The invention provides nanometer spray plating for a silver mirror, namely obtain a high glaze metal mirror face by adopting coating technique, which is similar to the brand new decorative effect of plating. The whole technique consists of a paint bottom layer, a metal reflecting layer (spray plating layer) and a paint surface layer. The coating has excellent adhesive attraction, shock resistance, corrosion resistance, weather resistance and marresistance, has rich colors and is bright like a mirror. The nanometer spray plating can be used to various materials such as metal, resin, ABS, PC, PP+PS carbon element resin, plastic, glass, pottery and porcelain, acrylic, wood, plastic wood and calcium plastic.

The present invention relates to a method of treating porous and permeable underground formations or cavities of reservoir rock or sand foundation type. The method consists in injecting a liquid composition comprising microgels into the formations in order to reduce the production of water, gas or sands, and/or for zone abandonment.

The invention discloses a water-permeable agent for water-permeable bricks or water permeable concrete and application of the water-permeable agent. The water-permeable agent comprises, by weight, 75-110 parts of water reducing agent, 150-300 parts of retarder, 100-150 parts of binder, 55-70 parts of air entraining agent and 55-100 parts of water. The water-permeable agent has the advantages that the water-permeable agent can increase the workability of a water-permeable layer, increase water permeability and increase the durability and later strength of the water-permeable bricks and is low in adding amount and low in cost. The water-permeable bricks have the advatnages that the bricks use haycite and regenerated porous coarse aggregate as the aggregate of the water-permeable layer and use the water-permeable agent, the features of porosity, good water absorption performance and high strength of the aggregate and the good performance of the water-permeable agent are utilized to increase the strength and water permeability of the water-permeable bricks, and the bricks are lightweight and convenient to carry.

The invention discloses a method for preparing a high-strength solid buoyancy material. The method comprises the steps as follows: a coupling agent in a mass ratio of (0.2:100) with hollow microspheres is adopted to perform pretreatment on 1-20 parts of hollow microspheres; 100 parts of resin, 0-60 parts of a curing agent, 0-15 parts of a toughening agent, 0-5 parts of a dispersing agent and 0-10 parts of a diluent are stirred and mixed to obtain a resin system material, the pretreated hollow microspheres and 1-30 parts of small fiber balls are gradually added into the resin system material step by step, the mixture is slow stirred and uniformly mixed, and original slurry is obtained; and the original slurry enters an injection molding process and is subjected to demolding so as to obtain the high-strength solid buoyancy material. Compared with a traditional solid buoyancy material, the high-strength solid buoyancy material has higher compressive strength, lower density and water permeability and good processability simultaneously.

There are provided an ion-exchange polymer including a structure represented by the following General Formula (1) and a production method therefor, an electrolyte membrane and a production method therefor, and a composition for producing an ion-exchange polymer.

In a case where the sum of a1, b1, and c1 is 1.000, a1 is 0.000 to 0.750, b1 is 0.240 to 0.990, and c1 is 0.001 to 0.100. L represents an alkylene group, L¹ and L² each represent a divalent linking group, R¹ is a hydrogen atom or an alkyl group, R² and R³ each represent an alkyl group or an allyl group, X¹⁻ and X²⁻ each represent an inorganic or organic anion, and Y represents a halogen atom. Z¹ represents —O— or —NRa—, and Ra represents a hydrogen atom or an alkyl group.

A method of modifying the permeability to water of a subterranean formation comprising injecting into the subterranean formation an aqueous composition comprising from about 0.005 percent to about 2 percent, by weight, of an alkyl or an alkylene oxide branched polyhydroxyetheramine or a salt thereof, wherein the fatty alkyl or alkylene oxide branched polyhydroxyetheramine is prepared by reacting a diepoxide with a) one or more fatty alkyl or alkylene oxide functionalized amines or a mixture of one or more alkylene oxide functionalized amines and b) one or more amines having two reactive hydrogen atoms and c) optionally reacting the resulting polyhydroxyetheramine with an acid or alkylating agent to form the salt.

The invention relates to a water-based white sealed primer and a preparation method thereof. The water-based white sealed primer comprises the following components in part by weight: 350 to 600 parts of water-based resin and 50 to 100 parts of modified barium metaborate. The water-based white sealed primer provided by the invention has performance of sealing wood tannic acid and has a durable and good sealing effect after construction on the base material containing the tannic acid, nicotine blot and water-based pigment. Water-based white wood coating is coated on the primer, so the water-based white wood coating is not polluted by the pollutants and is not discolored, and the primer has high rubbing property, covering power and corrosion resistance and can prevent wood from being rotten and deteriorated.

A method for manufacturing a sensor element is provided for detecting at least one property of a measuring gas in a measuring gas chamber, in particular for detecting a proportion of a gas component in the measuring gas or a temperature of the measuring gas. The method includes the following steps: providing at least one solid electrolyte which includes at least one functional element; applying, at least in sections, at least one first layer made of a ceramic material to the solid electrolyte, the first layer having a first porosity after the application; and applying, at least in sections, at least one second layer made of a ceramic material, the second layer having a second porosity after the application, and the first layer differing from the second layer with respect to at least one material property. Moreover, a sensor element which is manufacturable according to this method is provided.

The invention discloses foam concrete. The foam concrete comprises following raw materials in parts by mass according to a formula: 210-300 parts of cement, 1.0-1.5 parts of a water reducing agent, 5.1-5.5 parts of an early strength agent, 2.1-2.9 parts of a coagulant, 1.7-3.4 parts of fibers, 12-20 parts of a chemical foaming agent, 0-90 parts of superfine slag powder and 100-160 parts of water, wherein the superfine slag powder is formed by aluminosilicate glass particles smaller than 15 mu m, and the specific surface area is 450-500 m<2>*kg<-1>. The compressive strength of the foam concrete is improved on the premise that the foam concrete keeps low density.

The invention relates to a tunnel lining rapid repair structure based on a carbon fiber woven mesh and a repair method thereof. The tunnel lining rapid repair structure based on the carbon fiber woven mesh comprises self-propelled hollow grouting anchors, joist steel, the carbon fiber woven mesh, U-shaped hooks and a composite mortar layer. The joist steel is arranged on a tunnel lining to be repaired, one end of each self-propelled hollow grouting anchor stretches into the tunnel lining to be repaired in the radial direction of the tunnel lining to be repaired, the other end of each self-propelled hollow grouting anchor is connected with joist steel, the carbon fiber woven mesh is laid on the inner wall of the tunnel lining to be repaired and connected with the joist steel through the U-shaped hooks, and the composite mortar layer is sprayed on the inner surface of the carbon fiber woven mesh. The tunnel lining rapid repair structure based on the carbon fiber woven mesh and the repair method thereof aims to solve the problems existing in the existing tunnel lining reinforcing technology, the structure is reasonable in design, the mechanical property is good the steps of the method is simple, the operability is high, and the project cost is low.

The invention relates to a preparation technology and a product of a high-performance EVA photovoltaic packaging adhesive film. The product comprises the following raw material components in parts by weight percentage: 94.5-98% of EVA resin, wherein the content of VA in the EVA resin is 24-28% and the melt flow speed of the EVA resin is 15g/10min-35g/10min; 0.3-3% of multifunctional group cage-type polysilsesquioxane, 0.2-1% of crosslinking initiator, and/or 0.2-1% of coupling initiator, 0.1-0.5% of anti-ultraviolet anti-aging additive, and liquid or solid with a melting point of less than 90 DEG C; the method includes the steps of mixing, granulating, melting, extruding into a film shape from a die head, pressing the film through a press roller, cooling and sizing, rolling to obtain the EVA adhesive film product. By means of adding a functional POSS, the POSS molecule contains a plurality of ethylene and/or coupling groups of glass/backboard as additives so that many functions of the EVA photovoltaic packaging adhesive film can be improved and the high-performance EVA photovoltaic packaging adhesive film can be prepared.

A flexible active device array substrate including a flexible substrate, an active device array layer, a barrier layer, and a plurality of pixel electrodes is provided. The active device array layer is disposed on the flexible substrate. The barrier layer covers the active device array layer. The barrier layer includes a plurality of organic material layers and a plurality of inorganic material layers. The organic material layers and the inorganic material layers are alternately stacked on the active device array layer. The pixel electrodes are disposed on the barrier layer, and each of the pixel electrodes is electrically connected to the active device array layer.

The invention discloses a high-water-resistance backboard for a solar battery assembly, which comprises an olefin copolymer layer, a bonding layer, a polyester base layer and a fluorine-containing weather resistant layer. According to the invention, the backboard is enabled to have excellent moisture blocking performance through adding super absorbent resin (SAP) to the olefin copolymer layer, thereby being capable of effectively reducing occurrence of a PID (Potential Induced Degradation) phenomenon in the assembly. The high-water-resistance backboard provided by the invention for the solar battery assembly has the advantages of good weather resistance, high bonding strength, good water blocking performance, low cost and the like, and can be widely applied to packaging of the solar battery assembly.

There is described a dialkali based salt solution of dioic acid as an anti-corrosive additive alone or in admixture in an effective amount with another composition such as concrete.

A modular building unit (1-6, 1A) including a building block (10, 10A) having lower and upper faces (9, 9A, 11, 11A), side faces (12, 12A, 13, 13A) and end faces (14, 14A). At least the lower and upper faces are provided with mounting strips (21-24, 53A, 54A) interfit with mating mounting strips (21-24, 53A, 54A) on similar adjacent modular building units (1-6, 1A) to join the adjoining building block units (1-6, 1A) in predetermined dimensionally accurate relationships. A method of securing the mounting strips (21-24, 53A, 54A) to the building block or brick (10, 10A) and the method of interlocking and securing adjacent modular building units (1-6, 1A) to each other are disclosed. A preferred embodiment of mounting strips (53A, 54A) is shown in FIGS. 8-10. A mold (203) is shown in FIG. 12 for the preferred method of forming a building block or brick (200).

An encapsulated chlorine dioxide generator is provided. The encapsulated generator includes a core particle that includes a metal chlorite and a solid acid. The encapsulated generator also includes a protective layer that is disposed about at least a portion of the core particle. The protective layer includes a copolymer of polyvinyl alcohol and a polyalkylene glycol. The encapsulated generator is formed in a method including the steps of forming the core particle and disposing the protective layer about the core particle. The encapsulated generator is also used in a method of cleaning an environment. The method of cleaning the environment includes the steps of providing the encapsulated generator and forming chlorine dioxide from the encapsulated chlorine dioxide generator to clean the environment.