416results about How to "Reduce moisture absorption performance" patented technology

A printed circuit board has a liquid crystalline polymer layer that is bonded to an electrically conductive layer that includes traces that electrically connect components mounted on the printed circuit board. The liquid crystalline polymer material is thermally conductive and dielectric. When the components produce heat, the liquid crystalline polymer layer absorbs and dissipates the heat produced by the electrical components mounted on the printed circuit board. The thermal equilibrium of the printed circuit board is lower than the maximum operating temperature of the components.

Compounds and compositions comprising specific metal salts of bicyclo[2.2.1 ]heptane dicarboxylate salts in order to provide highly desirable properties within polyolefin articles are provided. The inventive salts and derivatives thereof are useful as nucleating and / or clarifying agents for such polyolefin, provide excellent crystallization temperatures, stiffness, and calcium stearate compatibility within target polyolefin. Also, such compounds exhibit very low hygroscopicity and therefore excellent shelf stability as powdered or granular formulations. Polyolefin additive compositions and methods of producing polyolefin with such compounds are also contemplated within this invention.

The present invention provides for low cost discrete inductor devices in an all organic platform. The inductor devices can utilize virtually any organic material that provides the desired properties, such as liquid crystalline polymer (LCP) or polyphenyl ether (PPE), in a multilayer structure, wherein the organic materials have low moisture uptake and good temperature stability. Each layer may be metalized and selectively interconnected by vias formed in respective layers so as to form winding or coiled inductors. The inductor devices may advantageously include external shielding formed by metalizing the side walls and top surface of the inductor devices on in-built shielding achieved by the utilization of the hybrid co-planar waveguide topologies. The inductor devices can be configured for either ball grid array (BGA) / chip scale package (CSP) or surface mount device (SMD) mounting to circuit boards.

An object of the invention is to satisfy all of a high-density wiring package, soldering thermal resistance, an insulating property and high-frequency transmission characteristics. The invention is a multi-layer wiring substrate having a lamination of a plurality of dielectric layers which are each provided with a wiring conductor made of a metallic foil on at least one of upper and bottom surfaces of the dielectric layer, the wiring conductors between which the dielectric layer is disposed being electrically connected with each other via a through conductor formed in the dielectric layer; on this occasion, the dielectric layers each individually are composed of a liquid crystal polymer layer and cladding layers made of a polyphenyleneether-type organic substance and formed on upper and bottom surfaces of the liquid crystal polymer layer.

The invention discloses a high-strength environment-friendly flame-retarding fiberboard which comprises the following raw materials of plant fibers, flame retardants, adhesives and waterproofing agents, wherein the weight ratio of the plant fibers to the flame retardants to the adhesives to the waterproofing agents is 100:(3-30):(3-30):(0.1-4). The invention also discloses a manufacturing method of the high-strength environment-friendly flame-retarding fiberboard. Not only are the mechanical properties of the flame-retarding fiberboard obviously improved, but also the combustion property can conform to the regulations of GB8624 Class B or Class C, and the formaldehyde emission, the smoke volume produced and the smoke toxicity are also reduced. Thus, the high-strength environment-friendly flame-retarding fiberboard has good quality and low price, can be widely applied to the fields of building furnishings, flame-retarding furniture production, flame-retarding floor production, wooden fireproof door production, ship and vehicle furnishings and the like, and has good economical and social benefits.

Compositions comprising specific disodium hexahydrophthalate(HHPA) salts in combination with acid scavengers (such as organic calcium salts or dihydrotalcite complexes) that provide highly desirable and effective nucleating properties within polymer articles (such as polyolefins) are provided. Surprisingly, such a combination of HHPA salt and acid scavenger provides high crystallization temperatures, low haze, and / or high flexural modulus to the finished polymer product. Other sodium salt polymer nucleators (such as sodium benzoate) deleteriously react with calcium organic salt acid scavengers such that characteristically high crystallization temperatures are drastically reduced when in combination with calcium salts (such as calcium stearate). Also, sodium benzoate when combined with dihydrotalcite acid scavengers produce extremely high haze levels in the finished target polymer article, whereas the inventive compositions surprisingly reduce haze. The finished polymer articles comprising such an inventive composition are also contemplated within this invention.

Provided are: an alkoysilyl group-containing hydrogenated block copolymer produced by introducing an alkoxysilyl group into a hydrogenated block copolymer that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer that includes at least two polymer blocks [A] and at least one polymer block [B], the polymer block [A] including a repeating unit derived from an aromatic vinyl compound as a main component, the polymer block [B] including a repeating unit derived from a linear conjugated diene compound as a main component, and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer to a weight fraction wB of the polymer block [B] in the block copolymer being 20:80 to 60:40; a method for producing the same; a solar cell element encapsulating material; a sheet, a laminated sheet; a multilayer sheet; and a method for encapsulating a solar cell element. The alkoxysilyl group-containing hydrogenated block copolymer exhibits low hygroscopicity, a low water vapor permeability, transparency, weatherability, and flexibility, maintains excellent adhesion to glass even when exposed to a high-temperature / high-humidity environment for a long time, and can encapsulate a solar cell element without applying a special waterproof treatment.

The present invention discloses a high compact density nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and methods of its preparation. A preparation method of this battery cathode material is as follows: (A) preparing a nickel-cobalt-manganese multi-element intermediate with dopants by co-precipitation or chemical synthesis; (B) preparing a mixture by mixing said multi-element intermediate with a lithium salt; (C) pre-treating the said mixture, then adding into it polyvinyl alcohol and mixing uniformly; (D) pressing the resulting material into lumps, calcining the lumps at 800˜950° C., cooling after its removal from the furnace, crushing, passing through a 400 mesh sieve; (E) calcining the resulting power at 700˜800° C., cooling after its removal from the furnace, crushing and sieving to obtain a product. The lithium battery cathode material obtained using the above-described method has the formula LiNixCoyMnzM(1-x-y-z)O2. The cathode material has non-agglomerated single crystal particles. The material has a particle size ranging from 0.6˜30 μm, a compact density of 3.5˜3.7 g / cm3, and an initial discharge capacity of 150˜165 mAh / g, with excellent cycling and safety performance.

Several embodiments of the present invention provide a capsule including a hydrophobic inner core layer and at least one hydrophilic outer layer. The outer layer may be seamless and may include at least one hygroscopic polyol and at least one polyol with a low hygroscopicity. The at least one outer layer may include at least one film or gel forming agent. Such capsules are stable and experience minimal or no degradation under accelerated stability conditions.

In accordance with the present invention, there are provided novel thermosetting resin compositions which do not require solvent to provide a system having suitable viscosity for convenient handling. Invention compositions have the benefit of undergoing rapid cure. The resulting thermosets are stable to elevated temperatures, are highly flexible, have low moisture uptake and are consequently useful in a variety of applications, e.g., in adhesive applications since they display good adhesion to both the substrate and the device attached thereto.

Disclosed is an optical film that has excellent adhesion and surface hardness between the film substrate and a hard coat layer or other functional layer, has improved brittleness, is transparent, and has low moisture absorption and high heat resistance. Additionally disclosed are an antireflective film, a polarizing plate, and a display device using the same. The optical film has at least a hard coat layer or a back coat layer as a functional layer containing a resin on a film substrate, and is characterized in that said film substrate contains a thermoplastic acrylic resin (A) and a cellulose ester resin (B), with the content ratio by mass of said thermoplastic acrylic resin (A) and said cellulose ester resin (B) being in a range thermoplastic acrylic resin (A):cellulose ester resin (B)=95:5 to 50:50.

The invention discloses a formula of coating particles of feed butyric acid derivatives, comprising a wall material and a core material, wherein the core material is feed butyric acid derivative powder with a weight percentage between 15% and 50%, and the wall material is feed solid ester or solid fatty acid with a weight percentage between 50% and 85%. According to the invention, the hydroscopic property of the butyric acid derivative is reduced, the product is easy to store, the peculiar smell produced thereby is greatly reduced, only a little peculiar smell is left, no chemical change is taken place, and the efficacies of ingredients including butyrate and tributyrin are not affected. The invention also discloses a production process of the coating particles of feed butyric acid derivatives.

Curable functionalized imide-linked polyimides compounds have been synthesized that have been found to possess very low dielectric constant and extremely low dissipation factor. These compounds also have a range of high to low modulus, extremely low moisture uptake and are very thermally stable. The combination of these materials in formulation along with functionalized polyethylene, polypropylene, polybutadiens have been found to be ideal for forming films and coatings for the microelectronic applications, multiplayer capacitors and interconnects, and high power cables and wire coatings. The addition of perfluorinated hydrocarbons, and POSS nanoparticles to the formulations have decreased the dielectric constant and dielectric dissipation factor further, and have also improved the flammability of the compositions.

A solid sheet which contains an nonwoven fabric made from short high tensile modulus fibers and a thermoplastic polymer having a low moisture absorption matrix resin that is useful as a substrate for circuit boards.

A laminated glass may be obtained by integrally bonding glass sheets through an adhesive, the adhesive comprising a hydrogenated block copolymer obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer that is obtained by hydrogenating unsaturated bonds of a block copolymer that comprises at least two polymer blocks and at least one polymer block, the polymer block comprising a repeating unit derived from an aromatic vinyl compound as a main component, the polymer block comprising a repeating unit derived from a linear conjugated diene compound as a main component, and a ratio (wA:wB) of a weight fraction wA of the polymer block in the block copolymer to a weight fraction wB of the polymer block in the block copolymer being 30:70 to 60:40. The laminated glass may employ a block copolymer hydrogenation product comprising an alkoxysilyl group and excellent light-fastness, heat resistance, moisture resistance and transparency.

The invention provides compounds of formulawherein R1, R3, R4, R5, R6, R7, L, X and Y are as defined in the specification; together with processes and intermediates for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of human neutrophil elastase.

A conductive polymer, a conductive polymer composition, a conductive polymer organic film, and an organic photoelectric device including the same, the conductive polymer including repeating units represented by the following Chemical Formula 1, repeating units represented by the following Chemical Formula 2, and repeating units represented by the following Chemical Formula 3:

There is provided EtO2C-CH2-(R)Cgl-Aze-Pab-OH, or a pharmaceutically-acceptable salt thereof, in a form which is substantially crystalline. It has been found that crystalline forms of EtO2C-CH2-(R)Cgl-Aze-Pab-OH have a high chemical and solid state stability when compared to amorphous forms of the compound.

The present invention relates to a pharmaceutical dosage form containing the active substance BIBW 2992 as the dimaleate salt, providing an immediate release profile of the active substance, further, the invention relates to compacted intermediates comprising BIBW 2992 dimaleate salt (BIBW 2992 MA2) in form of a powder prepared using a combined roller compaction and sieving step from BIBW 2992 MA2, intermediate blends prepared from said compacted intermediate as well as solid oral formulations providing an immediate release profile of the active substance, made from said compacted intermediate or from said intermediate blends ready for use / ingestion, e.g. capsule and tablet formulations such as uncoated or film-coated tablets prepared by direct-compression, and methods for their production.

The invention relates to a method for continuously extracting and separating 1-deoxynojirimycin (DNJ) and flavone from folium mori; the key points are that: folium mori and ethanol are mixed, and extracted and filtered centrifugally, and then flocculating agents are added for flocculation and precipitation after being concentrated; the precipitation is removed, and the filterate is added in a plurality of cation exchange resin columns which are communicated, and flows through a macroporous absorption resin column connected with the resin columns in series; after the filtrate adding is finished, the filtrate is washed until outflow liquid from the macroporous absorption resin column is colourless, and then the macroporous absorption resin column is disconnected, and then the 1-deoxynojirimycin (DNJ) is eluated with ammonia water or ammoniac ethanol solution from the cation exchange resin columns; the eluate is eluated by the cation exchange resin columns again, the operation is repeated, and then the eluate is collected, is concentrated and filtered with a 80D nanofiltration membrane and then is spray-dried, so as to obtain claybank powdery 1-deoxynojirimycin (DNJ). 3-10 percent ofalcohol is used for washing the macroporous absorption resin column to remove colloidal impurities, and then 50-70 percent of alcohol is used for washing flavone, the claybank eluate is collected, decompression and concentration are carried out to recover alcohol, and then spray-drying is carried out to obtain the claybank powdery folium mori general flavone.

The invention relates to a flexible transparent conducting film for a polyimide substrate and a preparation method thereof. The preparation method comprises the following steps: taking 1, 2, 3, 4-cyclobutanetetracarboxylic dianhydride and a fluorine-containing benzylic ether aromatic diamine compound as monomers for synthesizing polyimide; obtaining the colorless and transparent polyimide film by low-temperature solution polycondensation and heat imidization treatment; carrying out surface treatment for washing and etching the polyimide film; and finally depositing a nano-indium tin oxide film layer on the surface of the polyimide film by virtue of a magnetron sputtering technology under a room temperature condition to obtain the flexible transparent conducting film for the polyimide substrate. The conducting film has higher operating temperature, light transmittance at 450nm is 88-95% and surface resistivity is about 3.0 is multiplied by 10<-4> omega.cm.

The invention relates to the technical field of pouring sealant, in particular to modified epoxide resin pouring sealant and a preparation method of the modified expoxide resin pouring sealant. The modified epoxide resin pouring sealant achieves improvement based on the prior art. The pouring sealant is composed of a component A and a curing agent. The weight ratio of the component A to the curing agent is 100 to 3-15, wherein the component A comprises, by weight, 1.0-8.0% of thinner, 25.0-39.0% of nano filler, 0.5-4.5% of flexibilizer, 0.08-0.45% of coupling agent, 0.08-0.45% of pigment, and the balance grapheme modified epoxide resin, and the total weight is equal to 100%. Compared with the prior art, due to addition of the grapheme modified epoxide resin and the nano filler, the pouring sealant is capable of improving high and low temperature resistant impact properties, capable of reducing hygroscopicity and a dilatation coefficient, capable of prolonging storage time, capable of strengthening dehiscence resisting capacity, and capable of having great value of industrial application.

The invention discloses a novel phosphonitrile compound (melamine modified polyamino cyclotriphosphazene) and a preparation method thereof, and belongs to the field of chemical engineering and high polymer material additives. The novel phosphonitrile compound is prepared by condensing melamine and hexachlorocyclotriphosphazene, re-ammoniating and finally heating for condensation polymerization. Compared with polyamino cyclotriphosphazene, the melamine modified polyamino cyclotriphosphazene is remarkably low in water solubility and hygroscopicity, is remarkably high in thermal stability, and is relatively suitable for being used as a flame retardant for plastic and the like as the initial thermal decomposition temperature (temperature for 2% of weight loss) is increased to be greater than 200 DEG C from about 70 DEG C. In addition, the phosphorus yield of the product is also remarkably increased.

An object of the present invention is to provide a treated copper foil laminated with a mesomorphic polymer film having low hygroscopicity and superior high thermal resistance to make a circuit board composite materials having large peel strength and compatibility with fine pattern processes, which a copper foil being deposited with roughening particles to make the treated copper foil having a roughening treated side with surface roughness of 1.5 to 4.0 μm and luminosity of not more than 30, having projections formed from the roughening particles with a height of 1 to 5 μm, preferably 6 to 35 thereof are uniformly distributed in a 25 μm of surface length of copper foil cross-section observed, and its maximum width being at least 0.01 μm and not more than twice of 25 μm divided by the number of projections in the 25 μm surface length.

A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges(B), an acyclic alkoxy silane monomer(C), and a linear siloxane monomer (D); and a process for preparing a dielectric film using the polymer. The siloxane compound of the present invention is highly reactive, so the polymer prepared from the compound is excellent in mechanical properties, thermal stability and crack resistance, and has a low dielectric constant resulting from compatibility with conventional pore-generating materials. Furthermore, a low content of carbon and high content of SiO2 enhance its applicability to the process of producing a semiconductor, wherein it finds great use as a dielectric film.

The invention relates to a drug-carrying polymer wood / bamboo modifier which is prepared from the following raw materials in parts by weight: 0.5-5.0 parts of fungicide and pesticide, 0.0-30.0 parts of monomer, 0.0-15.0 parts of water-soluble polymer, 0.05-0.5 part of initiator, 0.1-0.5 part of crosslinking agent, 5.0-15.0 parts of organic solvent, 0.5-15.0 parts of surfactant and 60.0-100.0 parts of water. The preparation method of the modifier comprises the following steps: 1. mixing the water-soluble raw materials, adding the water, and dissolving; 2. mixing the oil-soluble raw materials, adding the fungicide and pesticide, stirring in an organic solvent until all the components are dissolved, adding the surfactant, and stirring until the surfactant is dissolved; and 3. mixing and stirring the two solutions prepared in the step 1 and step 2, thereby obtaining the modifier. The application method comprises the following steps: carrying out modification treatment on the wood / bamboo by spraying, coating, immersion or vacuum pressurization, draining, and curing at 60-100 DEG C for 1-4 hours. The wood / bamboo treated by the modifier has the advantages of high dimensional stability, and long and stable antimicrobial and pesticidal actions. The production technique is simple, and is low in cost and convenient to use.

Disclosed herein is a battery cell constructed in a structure in which an electrode assembly is mounted in a battery case made of a laminate sheet including a metal layer and a resin layer, and the battery case is thermally welded along the edge of a receiving part thereof to form a sealing part, wherein a weak part is formed at a portion of the sealing part (‘an electrode lea correspondence portion’) corresponding to one of electrode leads (a, b) connected to the electrode assembly, e.g., the electrode lead (a) having relatively low flexibility, the weak part being physically deformed, such that internal gas is discharged outside through the weak part, when predetermined pressure is applied to the weak part, and the weak part is not formed at an electrode lead correspondence portion of the other electrode lead (b).