168 results about "Non polar" patented technology

This invention relates to an adhesive composition comprising a functionalized random propylene polymer (FRPP) having at least 0.1 wt % of a functional group, a heat of fusion of between 0.5 and 70 J / g, and an mm triad tacticity index of at least 75%, where the adhesive has a T-Peel adhesion on a polar substrate at 20° C. of at least 175 N / m (1 lb / in) and a T-Peel adhesion on a non-polar substrate at 20° C. of at least 175 N / m (1 lb / in) where the polarity of the polar substrate is at least 0.10 units higher than the polarity of the non-polar substrate. Methods to produce the adhesive and articles comprising the adhesive are also disclosed.

The present invention provides a class of sensors prepared from at least a first material having a positive temperature coefficient of resistance and a second non-conductive or insulating material compositionally different than the first material that show an increase sensitivity detection limit for polar and non-polar analytes. The sensors have applications in the detection of analytes in the environment, associated with diseases and microorganisms.

The invention provides an electrowetting display and a method for fabricating the same. The electrowetting display comprises a first electrode formed on a first substrate. A dielectric layer is formed on the first electrode. A plurality of ribs are formed on the dielectric layer. A hydrophobic layer is formed on the dielectric layer and between the ribs. A second substrate is disposed oppositely to the first substrate. A second electrode is formed on the second substrate. A plurality of supporting members are formed on the second electrode and aligned to the ribs to form an enclosed space. A polar solution and a non-polar solution are disposed in the enclosed space.

A method of device growth and p-contact processing that produces improved performance for non-polar III-nitride light emitting diodes and laser diodes. Key components using a low defect density substrate or template, thick quantum wells, a low temperature p-type III-nitride growth technique, and a transparent conducting oxide for the electrodes.

A switchable element is described, which comprises a fluid chamber (111) containing a polar (101) and a non-polar (102) liquid, which are immiscible. The element is further provided with two electrodes (103,104), which are arranged to control the spatial distribution of the liquids, by means of an applied voltage across two the two electrodes. By the addition of surfactant to one or both of the liquids, the actuation voltage of the element is lowered. The element can work for example as an optical device or a motor.

The present invention provides a class of sensors prepared from at least a first material having a positive temperature coefficient of resistance and a second non-conductive or insulating material compositionally different than the first material that show an increase sensitivity detection limit for polar and non-polar analytes. The sensors have applications in the detection of analytes in the environment, associated with diseases and microorganisms.

Disclosed are resonant gas sensors and methods for forming and using the disclosed sensors. The sensors include a resonator including a layer comprising adsorptive nanostructures, for example carbon nanotubes, activated carbon fibers, or adsorptive nanowires. The dielectric of the resonator is in electrical communication with the layer comprising adsorptive nanostructures such that the effective resonant frequency of the resonator depends on both the dielectric constant of the dielectric as well as the dielectric constant of the adsorptive layer. In some embodiments, the nanostructures can be degassed. The sensors can detect the presence of polar gases, non-polar gases, organic vapors, and mixtures of materials with both high sensitivity and high selectivity.

The PAHs extraction purification determination method in the soil relates to 18 trace PAHs analysis and determination method in the soil. Using automatic Soxhlet extraction instrument to extract PAHs organic in the soil samples, and then using silica gel column chromatography to purify the extracted liquid, remove the polar and non-polar interference during extraction, and finally, using HPLC (with diode array detector) to analyze qualitatively and quantitatively 18 PAHs. In this invention, the extraction solvent consumption is small, and it can be used for large volume sample extraction, with quick sample analysis speed, low-cost sample pretreatment, and for the 5 group 13 isomers in 18 PAHs, it can not only accurately qualitatively but also accurately quantitatively determine, with low detection limit, high sensitivity, and with the exception of fluorine and perylene, the detection limit of the other 16 PAHs all below 10ng / g-dw. It is a rapid, sensitive and accurate analytical method for the trace PAHs, applied to farmland, wasteland, urban green belt and other soil.

The present invention relates to an optical element, used e.g. in an electrowetting display device comprising a number of pixels, arranged in an array. Each optical element comprises a cell filled with a polar conductive fluid (5), such as a water solution, and a non-polar fluid (6), such as an oil. The cell further comprises first and second planar electrodes (7, 10), covered with first and second hydrophobic layers (8, 11). By applying a voltage between on one hand the first fluid and on the second hand alternately the first or second electrodes (7, 10), the oil (6) is forced to migrate between the first and second hydrophobic layers (8, 11). Thus a bi-stable, energy efficient optical element is provided.

A display apparatus includes a plurality of electrofluidic chromatophore (EFC) pixel cells. Each pixel cell includes a fluid holder for holding a polar fluid and a non-polar fluid having differing display properties, the fluid holder including a reservoir having an orifice with a small visible area projected in the direction of a viewer onto the polar fluid, and a channel with a geometry having a large visible area projected in the direction of a viewer onto the polar fluid. The channel is connected to the reservoir via said orifice so as to enable free movement of the polar fluid and non-polar fluid between the channel and the reservoir. The reservoir is formed in a laminated resin structure of homogenous resin film layers, including an orifice film layer and a reservoir film layer.

The invention discloses an electric wetting lens and a forming method thereof. The forming method comprises the following steps of: providing a first substrate and forming a first transparent electrode on the first substrate; providing a second substrate and forming a second transparent electrode on the second substrate; forming a dielectric layer on the second transparent electrode; oppositely assembling the first substrate and the second substrate; clamping a polar liquid with photopolymerisable matters and a non-polar liquid with photopolymerisable matters between the first substrate and the second substrate; and irradiating the first substrate and the second substrate which are assembled to solidify the photopolymerisable matters in the polar liquid and the non-polar liquid so as to form a retaining wall structure between the first substrate and the second substrate. The electric wetting lens has the advantages of simplicity in preparation process and high product yield.

A display apparatus is described comprising a plurality of electrofluidic chromatophore (EFC) pixel cells. Each pixel cell comprises a fluid holder for holding a polar fluid and a non-polar fluid having differing display properties. The fluid holder comprises a fluid reservoir with a geometry having a small visible area onto the polar fluid, and a channel with a geometry having a large visible area onto the polar fluid. The channel is connected to the reservoir to enable free movement of the polar fluid and non-polar fluid between the channel and the reservoir. At least part of a surface of the channel comprises a wetting property responsive to a supply voltage. The pixel cell comprises at least one further pixel cell terminal that is coupled to a further electrode to supply a direct voltage to the pixel cell.

The invention discloses a polar region inertial navigation method based on a horizontal geographic coordinate system. The method includes the following steps of building a horizontal earth coordinate system and the horizontal geographic coordinate system, taking the horizontal geographic coordinate system as a navigation coordinate system of a strapdown inertial navigation system and carrying out mechanical arrangement, and providing a conversion relation between two navigation parameters of a geographic coordinate system and the horizontal geographic coordinate system so as to achieve smooth transition of a navigation mode of a carrier when the carrier operates from a non-polar region to a polar region. By means of a strapdown inertial navigation arrangement mode in the horizontal geographic coordinate system, the problem that a strapdown algorithm based on the geographic coordinate system fails due to meridian convergence in the polar region is solved.

Disclosed are resonant gas sensors and methods for forming and using the disclosed sensors. The sensors include a resonator including a layer comprising adsorptive nanostructures, for example carbon nanotubes, activated carbon fibers, or adsorptive nanowires. The dielectric of the resonator is in electrical communication with the layer comprising adsorptive nanostructures such that the effective resonant frequency of the resonator depends on both the dielectric constant of the dielectric as well as the dielectric constant of the adsorptive layer. In some embodiments, the nanostructures can be degassed. The sensors can detect the presence of polar gases, non-polar gases, organic vapors, and mixtures of materials with both high sensitivity and high selectivity.

The present invention discloses a nano-particle material surface modification method, which comprises: uniformly dispersing nano-particles with a long chain or non-polar organic ligand coated on the surface in a liquid state compound containing an active polar group, and carrying out a complete reaction at a temperature of 25-200 DEG C in an air or protection atmosphere to obtain the surface-modified nano-particles, wherein the active polar group is at least selected from amino, carboxyl or mercapto. According to the present invention, the short chain compound containing amino, carboxyl, mercapto and other groups, the small molecule aromatic compound or the heterocyclic organic compounds and the like are used to replace the quantum dots, other long alkyl chain organic compound ligands coated on the surface during the nano-particle material preparing process, and the like, such that the hydrophilicity and the electric conductivity can be significantly improved while the morphology and the dispersion property of the nano-particles are maintained; and the method is suitable for various goods and self-preparation of quantum dots or nano-crystal materials in laboratories, and the surface-modified quantum dots and other nano-particle materials are particularly suitable for the photoelectric field.

A bistable electrowetting picture element that has both stable “On” and “Off” states in which no power is consumed, and a switching voltage threshold. Displays using such picture elements may be either passive or active matrix addressed. A picture element contains two immiscible, fluids within a space between two surfaces. One of the fluids is an electroconductive, polar liquid, such as to water. The other fluid is a non-polar liquid such as silicone oil. The picture element is electrically switchable between two states, both of which are maintained without a voltage being applied. In one state the light absorbing, non-polar liquid adjoins a region of one of the surfaces, while in the second state it adjoins another region on the other surface. The region adjoined to in the second state differs in area from the region adjoined to in the first state, thereby providing “On” and “Off” states.

A gas cell to be filled with alkali metal atoms includes wall surfaces formed using a compound having polar groups or a material containing the compound, a first coating layer as a coating layer that coats the inner walls, formed using first molecules having functional groups to be chemically bonded to the polar groups and non-polar groups, and a second coating layer formed using non-polar second molecules on the first coating layer.

The invention discloses a preprocessing method suitable for analyzing estrogen and bisphenol A in a complex matrix solid sample, which is a method for detecting the estrogen and the bisphenol A based on accelerated solvent extraction-liquid-liquid extraction-Florisil column purification-alkaline solution extraction-HLB (Hydrophile Lipophile Balance) column enrichment purification-liquid chromatogram / tandem mass spectrometry (ASE-LLE-Florisil-AS-HLB-LC / MS / MS). The method comprises the following steps of: taking acetone and methanol in a volume ratio of 1 : 1 (v / v) as extracting agents for the accelerated solvent extraction of the estrogen and the bisphenol A in sludge and deposit; taking acetonitrile-normal hexane system for the liquid-liquid extraction to remove non-polar impurities such as grease and polycyclic aromatic hydrocarbon and the like; taking the Florisil column for purifying most of pigments; extracting the estrogen and the bisphenol A from residue by using 0.1mol / L of sodium hydroxide; filtering by a filter membrane of 0.22 um[m]; and enriching and purifying by using an HLB column. According to the method, the recovery rate of the estrogen and the bisphenol A is 75-100%, the detection limit is lower than 0.4ng / g, the purification effect is good and the detection requirement for the estrogen in the complex matrix solid sample is satisfied. According to the research result, the estrogens and the bisphenol A in the sludge, the deposit and the livestock and poultry manure sample can be quickly and effectively separated and purified, the accuracy and stability of the method can be favorably improved and the damage of the complex sample on the instrument also can be reduced.

The invention discloses a monodisperse polarity isomerism Janus microsphere with the controllable grain diameter and morphology, a preparation method of the microsphere, and a microfluid control device used in the method. The preparation method is characterized by comprising the following steps: preparing a polar dispersion phase solution, a non-polar dispersion phase solutions and a continuous phase solution; under the shearing action of the continuous phase solution, contacting the two dispersion phase solutions to form Janus liquid drops with different hemispherical polarities; adjusting and controlling the morphologies and the sizes of the Janus liquid drops by adjusting and controlling the concentration of a surface active agent in the polar dispersion phase solution, the flow ratio of the polar dispersion phase solution and the non-polar dispersion phase solution, and the flow rates of the polar dispersion phase solution, the non-polar dispersion phase solution and the continuous phase solution; curing the liquid drops so as to obtain the monodisperse polarity isomerism Janus microspheres, wherein the size range is 200-500 microns, and the coefficient of dispersion CV is smaller than 5%. The microfluid control device is simple in structure and easy and convenient to assemble and disassemble, so that the polarity isomerism Janus microspheres with the different sizes and morphologies can be conveniently obtained.

An electrophotographic toner comprising a resin and a colorant, wherein: (i) a toner particle comprises a domain in the toner particle, the domain comprising a polar wax having a first polar group and a non-polar wax; and (ii) the resin contains a second polar group.

Composites comprising polymeric binders and phthalocyanine pigments to form a single layer positive organic photoconductor are provided for use in electrophotography. The polymeric binders comprise an aliphatic polymer or copolymer having a saturated ring for each repeat unit either included in the polymer chain or pendant therefrom and about 4 to 35% of functional groups such as -OH, -SH, -N<, >NH, and -NH2 per repeat unit. The saturated ring portion, being essentially non-polar, or at least less polar than an unsaturated ring, maintains the specific morphology of the phthalo-cyanine pigments commonly employed in positive charge organic photoconductors (OPCs) and results in a stable dispersion required for the stable performance of the OPC. Keeping the functional groups listed above to less than about 35% ensures that the photoresponse is not reduced to an unacceptable level. Heating of the composite is used to control the concentration of the functional groups. One or more separate thermal carrier generation control agents comprising compounds containing the functional group(s) may be used to provide part or all of the functional groups in the composite. The resulting composite evidences thermal stability of electronic properties, such as dark decay, at elevated temperatures in the range of about 35 DEG to 75 DEG C.

A display device comprising a pixel, where the pixel includes: (a) a polar fluid that is at least one of colored and black, (b) a non-polar fluid that is at least one of transparent and translucent, (c) a first substrate, (d) a second substrate arranged relative to the first substrate to define a channel occupied by the polar fluid and the non-polar fluid, wherein at least one of the polar fluid and the non-polar fluid is visible through at least one of the first substrate and the second substrate, (e) a reflector having a plurality of features, comprising at least one of concavities and projections, that alter an angle of reflected light from a specular reflection to provide the appearance of at least one of a diffuse reflection and a non-metallic reflection, where the reflector includes a hydrophobic coating causing the polar fluid that is at least one of colored and black to be non-wetting to the hydrophobic coating in the presence of the non-polar fluid, the display device also including a plurality of electrodes configured to cause repositioning of the polar fluid in the channel to displace at least a first portion of the non-polar fluid and a voltage source, where repositioning of the polar fluid occurs as a unified volume to retard reduced light reflection from the reflector in a portion of the channel where the polar fluid has been repositioned.

The invention discloses an active switch type three-dimensional display lens which comprises a front glass base plate, a back glass base plate, an outer cofferdam, a front transparent electrode, a back transparent electrode, colored non-polar oil drops, at least two hydrophilic dielectric layers, at least two hydrophobic dielectric layers and at least two inner cofferdams, wherein the outer cofferdam is arranged between the front glass base plate and the back glass base plate to form a closed chamber; and the front transparent electrode, the back transparent electrode, the hydrophilic dielectric layers, the hydrophobic dielectric layers and the colored non-polar oil drops are positioned in the chamber. The invention also discloses active switch type three-dimensional display spectacles utilizing the active switch type three-dimensional display lenses. In the invention, the strict requirements of liquid crystal switch type lenses or polaroid lenses on the azimuths of the lenses are avoided, and the defect that the relation of the observation result and observation visual angles of the lenses is close is overcome. Furthermore, according to the invention, the display quality of a three-dimensional image is independent of the observation position and the rotation of a head; and the interference is small.

Various embodiments of the present invention provide a medical device comprising at least one blood-contacting surface comprising a porous hydrophobic polymer substrate, wherein at least a portion of the at least one blood-contacting surface comprises a hemocompatible polymer substrate. One embodiment of the present invention relates to the providing of expanded poly(tetrafluoroethylene) with one or more complexes of heparin, typically containing heparin in combination with a hydrophobic counter ion. The hemocompatible substance is dissolved in a mixture of solvents in which a first solvent wets the polymer substrate to be coated and the second solvent enhances the solubility of the hemocompatible substance material in the solvent mixture. Typical first solvents wetting a hydrophobic polymer substrate include non-polar such as hydrocholorofluorocarbons. Typical second solvents include polar solvents such as organic alcohols and ketones. Azeotropic mixtures of the second solvent in the first solvent are used in some embodiments of the present invention although second solvents may be employed in a range of concentration ranges from less than 0.1% up to saturation.

In one embodiment, active (continuous or intermittent) passivation may be employed to prevent interaction of sticky molecules with interfaces inside of an instrument (e.g., an infrared absorption spectrometer) and thereby improve response time. A passivation species may be continuously or intermittently applied to an inlet of the instrument while a sample gas stream is being applied. The passivation species may have a highly polar functional group that strongly binds to either water or polar groups of the interfaces, and once bound presents a non-polar group to the gas phase in order to prevent further binding of polar molecules. The instrument may be actively used to detect the sticky molecules while the passivation species is being applied.