40 results about "Vapor deposition polymerization" patented technology

A film capacitor element including a base dielectric film layer 12, a vapor-deposition metal film layer 14 formed on the base dielectric film layer 12 and consisting of a first film portion 20 and a second film portion 22 that are spaced apart from each other by a margin portion 18, and a dielectric covering film layer 16 which is formed integrally on the second film portion 22 by vapor-deposition polymerization or coating and which has a covering portion 30 which fills the margin portion 18 and covers an entire area of an end face of the second film portion 22 on the side of the margin portion 18. The first film portion 20 including a non-covered portion 34 which is not covered by the dielectric covering film layer 16.

An method of manufacturing a piezoelectric element easily and surely forms polymer coatings on peripheral end faces of the piezoelectric element without deteriorating a yield of the piezoelectric element. The method includes steps of cutting a piezoelectric element out from a base piezoelectric material plate so that peripheral end faces are formed to define a peripheral shape of the piezoelectric element, and forming polymer coatings on at least objective areas of the peripheral end faces of the piezoelectric element by vapor deposition polymerization, respectively.

The present invention provides a system for delivery of an enteric coated active agent generally resistant to disintegration in an neutral environment having one or more active agents encapsulated by a polymer coating formed by chemical vapor deposition of one or more monomers on the one or more active agents to form a chemical vapor deposition polymer coating that controls the release of the one or more active agents in the gastrointestinal tract.

A film capacitor is provided which has a smaller size and improved capacity while securing a sufficient withstand voltage. The film capacitor comprising a basic element 10 containing a plurality of dielectric layers and at least one vapor-deposited metal film layer 14a, 14b, where the plurality of dielectric layers consisting of a resin film layer 12 and at least one vapor-deposited polymer film layer 16a, and the at least one vapor-deposited polymer film layer 16a is formed on at least one of the resin film layer 12 and the at least one vapor-deposited metal film layer 14a, 14.

Coating porous material, such as PDMS, with parylene N, C, D, and AF-4 by vapor deposition polymerization is described in which a temperature of the porous material's surface being coated is heated to between 60° C. and 120° C., or 80° C. and 85° C., during deposition. The parylene forms nano roots within the porous material that connect with a conformal surface coating of parylene. In some embodiments, a watertight separation chamber in an integrated microfluidic liquid chromatography device is fabricated by heating tunnels in micro-fabricated PDMS and depositing parylene within the heated tunnels.

An apparatus is provided that can stably produce a laminated body including a vapor-deposited polymer film having a predetermined composition and thickness on a film substrate. The apparatus includes: a film substrate supply means 46 that supplies a film substrate 15 on an outer peripheral surface of a rotary drum 35 in a vacuum chamber 24; a plurality of blowoff members 64 positioned around the rotary drum 35, each of the plurality of blowoff members including a vapor outlet 66 opening inside the vacuum chamber 24 to the outer peripheral surface of the rotary drum 35 and an inner space constituting a deposition chamber; and at least one monomer vapor supply means 84 arranged to supply plural kinds of monomer vapor into the deposition chamber and blowoff the plural kinds of monomer vapor from the vapor outlet of each of the plurality of blowoff members.

The invention provides a preparation method of a lithium ion secondary battery negative electrode material composite oxide Mn2CoO4/poly(3,4-ethylenedioxythiophene) (PEDOT). The method comprises the steps of synthesizing Mn2CoO4 through a sol-gel process by using a manganese salt, a cobalt salt and an organic chelating reagent as raw materials, carrying out vapor deposition polymerization on EDOT to form PEDOT, and compounding the PEDOT with the Mn2CoO4 material. Mn2CoO4 particles synthesized through the method are small, have uniform dimension sizes and form a three dimensional netted structure, so the specific surface area of the material is increased, and the PEDOT is an excellent conductive polymer and has high conductivity, so the electrochemical performances of the composite negative electrode material are improved, has the advantages of simple preparation method and low cost, and is a promising material.

The invention discloses a method for preparing a poly(N-2-carboxyethyl pyrrole)-anodic aluminum oxide composite membrane, relates to a composite membrane preparation technique and provides a method for preparing a poly(N-2-carboxyethyl pyrrole)-anodic aluminum oxide composite membrane with high hydrophily and high biocompatibility. The method comprises the following steps: placing a pretreated anodic aluminum oxide membrane and a N-2-carboxyethyl pyrrole monomer in a vapor phase deposition polymerization device, vacuumizing the vapor phase deposition polymerization device and performing a vapor phase deposition polymerization reaction; and after the reaction is accomplished, cooling, and removing impurities to obtain the poly(N-2-carboxyethyl pyrrole)-anodic aluminum oxide composite membrane. The prepared poly(N-2-carboxyethyl pyrrole)-anodic aluminum oxide composite membrane covers the oxide layer on the anodic aluminum oxide membrane, and lowers the non-specific absorption of the anodic aluminum oxide membrane. The preparation method is simple, and can be widely used in affinity separation.

An apparatus for producing a multilayer sheet including a resin film, a vapor-deposited metal film and a vapor-deposited polymer film at a low cost and with excellent productivity is provided which comprises: a vacuum chamber which is made to be in a vacuum state by exhaust means; a feeding roller; a take up roller; a first to third rollers, first metal vapor deposition means for forming a first vapor-deposited metal film on one surface of a resin film at a periphery of the first roller; vapor deposition polymerization means for forming a vapor-deposited polymer film on the first vapor-deposited metal film by vapor deposition polymerization at a periphery of the second roller; and second metal vapor deposition means for forming the second vapor-deposited metal film on the other surface of the resin film at a periphery of the third roller.

Disclosed are methods for forming thin polymeric films on a surface of an article by deposition from the vapor phase. In certain embodiments, the method comprises depositing the polymeric film in situ inside a space or enclosure contained within the article. In other embodiments, the method comprises depositing a film from vapor phase by thermal degradation of an initiator precursor without the need for an external filament.

For putting the application of an Ni—Ti alloy to a biomaterial into practical use, a corrosion preventing method combined with biocompatibility is provided. It is a corrosion preventing method for a metal substrate used for biomaterials in which a polyimide coating layer is formed on the metal substrate by vapor deposition polymerization.

The invention discloses a method for preparing poly-p-xylylene nano fibers through chemical vapor deposition and belongs to the technical field of materials. The method disclosed by the invention comprises the following steps: by adopting a chemical vapor deposition technology, by taking poly-p-xylylene as a precursor and taking nematic liquid crystal as a template, successfully preparing the poly-p-xylylene nano fibers through a vapor deposition polymerization reaction. The preparation method has the characteristics of being controllable in size, shape and composition of the fibers, the defects such as solvent after-treatment problems, severe environmental pollution and the like existing in the fiber preparation by the traditional electrospinning method are overcome, and the obtained nano fibers can be applied to drug delivery systems, tissue engineering, micro-fluid devices and the like and have extremely high application values.

The invention relates to the technical field of rail transit, and discloses a manufacturing method of an insulating part for rail transit, which comprises the following steps: adding an organic compound A, a catalyst A and a catalyst B into a reaction chamber with the temperature of 139 DEG C, carrying out addition polymerization reaction for 1-2 hours, and standing for 2-3 hours after the addition polymerization reaction is completed to obtain a polymer A. The polymer A is prepared by the following steps of: adding the polymer A into the reaction chamber; according to the manufacturing method of the insulating part for the rail transit, an organic compound A, a catalyst A and a catalyst B are subjected to vapor deposition polymerization operation at a specific temperature, a polymer A obtained after standing is conducted for three hours is polypropylene, the polypropylene is an organic substance with extremely high insulating performance, and the marble particles are filled in the polypropylene, so that the insulating part for the rail transit is obtained. And the insulation material A is used as a rail insulation material of the base layer, so that the compression resistance stability can be enhanced, the insulation capability can be greatly improved, the manufacturing mode of the insulation part is simple, and the manufacturing efficiency of the insulation part is greatly improved.

The present invention relates to a method for preparing polymers by gas-phase deposition polymerization, initiated by a zero valent metal and an initiator.