Tamkang University Patent applications |
Patent application number | Title | Published |
20150086713 | NON-FLUORO HYDROPHOBIC AQUEOUS-BASED POLYURETHANE RESIN DISPERSION, AND PRODUCTION METHOD AND USE THEREOF - The present invention provides a cross-linking non-fluoro hydrophobic aqueous polyurethane dispersion, which is produced by selecting a compound comprising alcohols, amines, acids, saturated or unsaturated (double-bonded or epoxidized) aliphatic long chain carbon-carbon groups or polydimethylsiloxane comprising alcohol groups, amines, oxosilane to be reacted with IPDI to obtain a PU prepolymer; adding a compound having tertiary amines to neutralize the carboxylic acid of PU prepolymer and adding water to disperse the PU prepolymer; and adding a ambient temperature cross-linking agent to obtain a cross-linking hydrophobic aqueous PU dispersion of the present invention. The hydrophobic aqueous-based PU resin has no fluorine which is friendly to the environment, and may further self cross-links on its applications on fabric, paper, wood, glass and metal surfaces, respectively on drying at ambient temperature which is energy saving process. Its cross-linking reaction of this hydrophobic PU system that will achieve a long-lasting water repellent surface treatment. | 03-26-2015 |
20140254928 | METHOD AND IMAGE PROCESSING DEVICE FOR IMAGE DYNAMIC RANGE COMPRESSION WITH LOCAL CONTRAST ENHANCEMENT - An image dynamic range compression with local contrast enhancement method for an image processing device is provided. The method includes the following steps. A plurality of input pixels of an image including a first input pixel are received, and an input luminance pixel value of each of the input pixels as well as a darkness intensity level of the image are obtained. A filter result of the first input pixel is obtained according to filter computation on the input luminance pixel values; an image-related parameter is obtained according to image-related computation on the darkness intensity level. The image-related parameter, the filter result of the first input pixel, and the input luminance pixel value of the first input pixel are transformed into an output luminance pixel value of the first input pixel according to a non-linear intensity transfer function and a dynamic range compression with local contrast enhancement algorithm. | 09-11-2014 |
20140242292 | POLYURETHANE PREPOLYMER PREPARED BY FUNCTIONAL POLYURETHANE PREPOLYMER AND APPLICATION THEREOF - A method of preparing polyurethane prepolymer does not require using a toxic isocyanate monomer (manufactured by harmful phosgene) as a raw material. Epoxy resin and carbon dioxide are used as major raw materials to form cyclic carbonates to be reacted with a functional group oligomer, and then amino groups in a hydrophilic (ether group) or hydrophobic (siloxane group) diamine polymer are used for performing a ring-opening polymerization, and the microwave irradiation is used in the ring-opening polymerization to efficiently synthesize the amino-terminated PU prepolymer, and then an acrylic group at an end is added to manufacture an UV cross-linking PU (UV-PU) oligomer which can be coated onto a fabric surface, and the fabric is dried by UV radiation for a surface treatment to form a washing-resisted long lasting hydrophilic or hydrophobic PU fabric. | 08-28-2014 |
20140097740 | PLASMA-GENERATING DEVICE - A plasma-generating device includes an anode plate and a cathode plate spaced apart from the anode plate. The cathode plate includes a substrate and a hybrid diamond layer formed on the substrate. The hybrid diamond layer includes ultra-nanocrystalline diamond grains, an amorphous carbon disposed among and bonded to the ultra-nanocrystalline diamond grains, micro-crystalline diamond grains disposed among the ultra-nanocrystalline diamond grains, and a graphite phase disposed among the ultra-nanocrystalline diamond grains. Each of the micro-crystalline diamond grains is surrounded by the graphite phase. | 04-10-2014 |
20140003715 | DYNAMIC RANGE COMPRESSION METHOD FOR IMAGE AND IMAGE PROCESSING DEVICE | 01-02-2014 |
20130209699 | Long-lasting water-repellent textile treatment process using an ambient temperature curable polydimethylsiloxane-containing polyurethane PU system - A long-lasting water-repellency textile application that uses a polydimethylsiloxane (PDMS)-containing polyurethane (PU) involves a manufacturing process of NCO-terminated PU prepolymer of PDMS diols and polyisocyanate with a catalyst for forming a moisture-curable PDMS-containing PU oligomer, or becoming an UV-curable PDMS-containing PU oligomer after a chemical reaction takes place. The PU oligomer owns PDMS moiety with water-repellent properties. The moisture- or UV-curable PU with NCO and acrylate end-groups can create cross-linked polymeric networks between fibers of textiles by exposing to the air or UV-radiation. The final cross-linked PDMS-containing PU treated textile demonstrates long-lasting water-repellent properties with an excellent soft hand feel and a breathable feature. Furthermore, the textile water-repellent treatment is cost-effective, and most importantly these two different curing processes could be carried out at ambient temperature without requiring any waste water discharge. Therefore, these textile water repellent treatments are considered as environmental friendly green processes. | 08-15-2013 |
20120328884 | Carbon-Based Composite Material and Method for Fabricating the Same - A method for fabricating a carbon-based composite material includes: (a) forming over a substrate a seeding layer that includes amorphous carbon matrix, and a plurality of ultra-nanocrystalline diamond grains; and (b) growing crystal grains over the seeding layer under a hybrid plasma to obtain the carbon-based composite material. The hybrid plasma is produced by ionization of a gas mixture. The gas mixture includes a hydrocarbon gas, H | 12-27-2012 |
20120281944 | FIBER-OPTIC SENSOR FOR LIQUID-IMMERSION DETECTION AND FIBER-OPTIC DETECTION SYSTEM FOR LIQUID-IMMERSION DETECTION - A fiber-optic sensor for liquid-immersion detection includes an optical fiber and an interface material layer. The optical fiber has an angled physical contact (APC) surface. The interface material layer contacts with the APC surface. The interface material layer has a rough surface when in a dry state to produce a diffusion reflection. The interface material layer has a smooth surface to produce a specular reflection when the interface material layer absorbs a liquid in a wet state. | 11-08-2012 |
20120227570 | INTERACTIVE SOUND-AND-LIGHT ART DEVICE WITH WIRELESS TRANSMISSION AND SENSING FUNCTIONS - The present invention relates to an interactive sound-and-light art device with wireless transmission and sensing functions, which is primarily composed of a plurality of acoustic sensor nodes in artistic shapes, whereas each of the plural acoustic sensor nodes is designed to interact with people through the detection of multi-track music playing or voice-based exhibition of twitter conversations. Substantially, each acoustic sensor node is an artistically-shaped frame having a plurality of sensors embedded therein, which includes sensors for detecting environmental information, and sensors for detection human motion. Moreover, each artistically-shaped frame can further be embedded with interactive components, using which each acoustic sensor node is able to interact with people through multi-track music playing or exhibition of LED light variations, according to the detection of its environment sensors and human motion sensors. | 09-13-2012 |
20120210504 | CLEANER STRUCTURE FOR TOILET TANK - A cleaner structure includes a main body, a forced element and an elastic element. The main body includes a first casing, a floating element, a second casing, first perforations and second perforations. The floating element is disposed within the first casing. The second casing is connected with the first casing for storing a cleaning agent. The elastic element is connected with the first casing and the forced element. During the water level of the liquid inside the toilet tank is changed from a low level to a high level, the second casing is at least partially immersed in the liquid, so that the cleaning agent is released to the liquid. | 08-23-2012 |
20120196742 | PRECIPITATED FILM AND FABRICATING METHOD THEREOF - A precipitated film and the fabricating method thereof are disclosed. The precipitated film includes a supporting layer having columnar crystals, and a functional layer formed on the supporting layer and having granular crystals. The precipitated film is fabricated by phase-changing one of two aqueous solutions, which are able to react with each other to form a solid precipitate inherently, into solid-state and then reacting with the other aqueous solution to form the precipitated film by a precipitation reaction. | 08-02-2012 |
20110129895 | Method For Purifying Protein - A method is provided for purifying protein having steps of loading a sample containing proteins into a column containing an ion exchanger in a first direction to allow the ion exchanger to absorb proteins; and passing a salt solution through the column in a second direction opposite to the first direction to elute a target protein from the ion exchanger. The method is proven as capable of improving homogeneity of eluted target protein without combining minute and complicated techniques for protein purification. Therefore, the method is convenient, efficient and economic for purifying proteins. | 06-02-2011 |
20100326845 | METHOD AND ELECTROCHEMICAL SENSING STRIP WITH SCREEN-PRINTED THREE ELECTRODES FOR DETERMINING CONCENTRATION OF DISSOLVED OXYGEN IN A SOLUTION - A new electrochemical method for determining dissolved oxygen concentration is developed. It employs cobalt based oxide or complex to modify a conductive electrode surface. This method can be applied to determine dissolved oxygen in regard to medical and environmental demands. The chemical formula of the cobalt based oxide or complexes can be shown as Co | 12-30-2010 |
20100298609 | METHOD FOR PREPARING AN AROMATIC BORON REAGENT THROUGH BARBIER-TYPE REACTION - The present invention discloses a method for preparing an aromatic boron reagent through Barbier-type reaction, comprising reacting an aromatic halogen compound with a boron compound in the presence of a metal to obtain an aromatic boron reagent, wherein the metal may be or may not be activated by an activator. The method according to the present invention can avoid using expensive and complicated procedures of prior art and hence is efficient and economic. | 11-25-2010 |
20100298575 | METHOD FOR PREPARING AN AROMATIC BORON REAGENT THROUGH BARBIER-TYPE REACTION - The present invention discloses a method for preparing an aromatic boron reagent through Barbier-type reaction, comprising reacting an aromatic halogen compound with a boron compound in the presence of a metal to obtain an aromatic boron reagent, wherein the metal may be or may not be activated by an activator. The method according to the present invention can avoid using expensive and complicated procedures of prior art and hence is efficient and economic. | 11-25-2010 |