Abstract: A transparent electrochromic polymer is provided, which is polymerized of 1 molar part of a diamine and 1 to 4 molar parts of epoxy compound. The diamine is Formula 1, Formula 2, or combinations thereof, and the epoxy compound is Formula 12, Formula 13, or combinations thereof. The disclosed also provides an electrochromic device, including a first transparent conductive layer, an electrochromic layer on the first transparent conductive layer, and an electrolyte layer on the electrolyte layer, wherein the electrochromic layer is the transparent electrochromic polymer, and a second transparent conductive layer on the electrolyte layer.

Abstract: A transparent electrochromic polymer is provided, which is polymerized of 1 molar part of a diamine and 1 to 4 molar parts of epoxy compound. The diamine is Formula 1, Formula 2, or combinations thereof, and the epoxy compound is Formula 12, Formula 13, or combinations thereof. The disclosed also provides an electrochromic device, including a first transparent conductive layer, an electrochromic layer on the first transparent conductive layer, and an electrolyte layer on the electrolyte layer, wherein the electrochromic layer is the transparent electrochromic polymer, and a second transparent conductive layer on the electrolyte layer.

Abstract: The present invention relates to novel polyimidothioethers-inorganic nanoparticle hybrid material, which exhibit good surface planarity, thermal dimensional stability, tunable refractive index, and high optical transparency upon forming into films. The present invention also relates to polyimidothioethers which is an intermediate for preparing the present hybrid material, and their preparation.

Abstract: The present invention relates to novel polyimidothioethers-inorganic nanoparticle hybrid material, which exhibit good surface planarity, thermal dimensional stability, tunable refractive index, and high optical transparency upon forming into films. The present invention also relates to polyimidothioethers which is an intermediate for preparing the present hybrid material, and their preparation.

Abstract: Provided is a pentaaryldiamine-containing bismaleimide compound of Formula (I): wherein Ar1 to Ar5 are independently C6-C12 aryl; and Ar4 and Ar5 are optionally substituted by one or more substitutent(s) selected from the group consisting of C1-C6 alkyl, C1-C6 alkoxy, and cyano. The compound of Formula (I) is obtained by a method including the steps of reacting a diamine with maleic anhydride in a solvent to form an amic acid, and cyclodehydrating the amic acid in the presence of a catalyst and a dehydrating agent. The compound of Formula (I) has a nonlinear and asymmetric structure, is amorphous, and is readily soluble in a variety of organic solvents so that the toughness of the product made there from can be improved and processing of the compound can be simplified.

Abstract: A pentaaryldiamine-containing bismaleimide compound of Formula (I): is provided, wherein Ar1 to Ar5 are independently C6-C12 aryl, and Ar4 and Ar5 may be optionally substituted. The compound of Formula (I) is obtained by steps of reacting diamine with maleic anhydride in a solvent to form an amic acid, and cyclodehydrating the amic acid in the presence of a catalyst and a dehydrating agent. The compound of Formula (I) with a nonlinear and asymmetric structure is amorphous and is readily soluble in a variety of organic solvents, such that the toughness of the product made therefrom can be improved and processing of the compound can be simplified. Furthermore, the compounds of Formula (I) having cyano substituents on the aromatic ring may exhibit better flame retardancy and heat resistance, higher oxidative stability, electron-withdrawing property etc., such that these compound have wider application in industry.

Abstract: Disclosed in an apparatus for measuring positively-sensed force of an electrical connector, comprising: a base plate; at least one L-shaped pads, the two L-shaped pads being each affixed to the base plate at an upper end thereof in such an arrangement that ends thereof oppose each other; an elastically deformable sheet provided between the two L-shaped pads, the elastically deformable sheet being affixed to the base plate and formed with a projective measuring region at end thereof; and at least one strain gauge inertly affixed to the elastically deformable sheet, the strain gauge beingconnected to a signal transmitting device that outputs strain value of the strain gauge to a signal amplifying device for display purpose in response to deformation of the elastically deformable sheet.

Abstract: A calibration instrument for micro-positively-sensed force, including: a platform support stand having a base with a vise thereon for clamping an elastically deformable strain measuring device to be calibrated, a micro-distance meter at an upper portion of the platform support, a probe connected to and positioned beneath the micro-distance meter, displacement of the probe in vertical direction being adjustable through the micro-distance meter, the probe having a load cell. The load cell and elastically deformable strain measuring device to be calibrated are each connected to a signal transmitting device which outputs the signals thererof to a signal amplifying device so as to display the signals being measured. And, a method for calibrating a calibration instrument for micro-positively-sensed force that uses the calibration instrument to calibrate a precision measuring device.

Abstract: A load sensor inserted between two bones for sensing a stress exerted on the load sensor includes a body, and a load transducer mounted in the body for transducing a strain thereof resulting from the stress into an electronic signal. Such load sensor can detect a stress exerted on a bone graft bone and/or the interaction of the bone graft and spine implant to improve curative effects and increase the successful rate of a bone graft operation.