摘要:
A vinyl chloride resin composition for production of hard articles. The composition comprises 100 parts by weight of a graft polymer and not more than 40 parts by weight of electrically conductive carbon black. The graft polymer is obtained by polymerizing 99 to 60% by weight of vinyl chloride or a monomeric mixture composed of at least 80% by weight of vinyl chloride and not more than 20% by weight of a monomer copolymerizable with it in the presence of 1 to 40% by weight of a copolymer composed of 5 to 75% by weight of methyl methacrylate and 95 to 25% by weight of ethylene.
摘要:
A resin for magnetic coating, which is a copolymer composed of(1) at least 60% by weight of vinyl chloride units,(2) 0.3 to 5.0% by weight, as the carboxyl group, of monomer units containing a carboxyl group,(3) 0.1 to 2.0% by weight, as the hydroxyl group, of monomer units containing the group --X--OH wherein X is an organic group, and(4) up to 20% by weight of units of another monomer,the equivalent ratio of the hydroxyl groups to the carboxyl groups being from 0.1 to 3.0.
摘要:
The present invention provides a new binder composition for an electrode for an electric double layer capacitor which comprises a binder good in binding force and excellent in heat resistance, an electrode for an electric double layer capacitor having this binder, and an electric double layer capacitor which is high in capacity and is electrochemically stable by use of a binder composition for an electrode for an electric double layer capacitor comprising a binder polymer and water, wherein said binder polymer comprises: 50 to 98% by mole of monomer units (a) derived from a compound represented by the following general formula: CH2═CR1—COOR2 (1) wherein R1 represents a hydrogen atom or an alkyl group, and R2 represents an alkyl group having 2 to 18 carbon atoms or a cycloalkyl group having 3 to 18 carbon atoms, 1 to 30% by mole of monomer units (b) derived from an α,β-ethylenically unsaturated nitrile compound, and 0.1 to 10% by mole of monomer units (c) derived from a multifunctional ethylenically unsaturated carboxylic acid ester; has a glass transition temperature from −80 to 0° C.
摘要:
A conductive paste is mainly composed of a metal powder, a glass frit, and an organic vehicle. The total content amount of the metal powder and glass frit with respect to the entire conductive paste is 85 wt % or more. The viscosity at a rotational speed of 1 rpm measured at 25° C. with an E type rotating viscometer is 100 Pa·s or more and 400 Pa·s or less.
摘要:
A slurry composition for electrode comprising a binder, an active material, and a liquid medium, characterized in that the binder comprises a polymer (X) comprising 60 to 95 mole % of repeating units derived from acrylonitrile or methacrylonitrile and 5 to 30 mole % of repeating units derived from at least one kind of a monomer selected from 1-olefins and compounds represented by the following general formula (1): CH2═CR1—COOR2 wherein R1 represents a hydrogen atom or a methyl group and R2 represents an alkyl group; and the liquid medium is capable of dissolving the polymer (X). The slurry composition allows the manufacture of a lithium ion secondary battery having enhanced capacity and good charge-discharge cycle characteristics and good charge-discharge rate characteristics.
摘要:
A sampling circuit for compensating the phase difference of a sampling pulse due to a temperature variation to accurately sample input signals is provided. The sampling circuit samples received input signals. The sampling circuit includes a pulse generator for generating a pulse signal according to a timing at which an input signal should be sampled, a step recovery diode for outputting a sampling pulse responsive to the pulse signal, a detector for detecting the value for the input signal according to the sampling pulse, a temperature detecting circuit for detecting the temperature around the step recovery diode and a temperature compensating unit for controlling a timing at which the step recovery diode outputs the sampling pulse based on the temperature detected by the temperature detecting circuit.
摘要:
A copolymer useful for magnetic paints is provided which is composed of (1) at least 60% by weight of vinyl chloride units, (2) 0.1 to 4.0% by weight, as a sulfur- or phosphorus-containing strong acid group, of strong acid group-containing monomer units (3) at least 0.1% by weight, as the hydroxyl groups, of units of a monomer which gives a side chain represented by the formula --X--OH wherein X is an organic group, and (4) 0 to 20% by weight of units of another monomer.
摘要:
Disclosed is a composition for electrode comprising (i) a positive electrode active material comprising an iron compound and carbon, and (ii) a copolymer (P) prepared by copolymerization of acrylic acid esters and/or methacrylic acid esters, with an α,β-unsaturated nitrile compound. Also disclosed is an electrode comprised of an active material layer made of the composition for electrode, and a collector. This electrode can be produced by mixing the positive electrode active material, the copolymer (P), a solvent and an optional thickener, by a mixer to prepare an electrode composition slurry with solid content of 40-90% by weight, coating a collector with the electrode composition slurry, and then, removing the solvent from the thus-formed coating. Further disclosed a battery provided with the electrode.
摘要:
A method of manufacturing an electrode for an electrochemical device is provided with the steps of: supplying, onto a collector, a powdered mixture containing a binder and an active material; and heating the powdered mixture to form an electrode layer on the collector, that allows continuous mass production of electrodes for electrochemical devices.
摘要:
There is provided a testing apparatus for testing a device under test, wherein the testing apparatus is provided with a timing generator for generating a timing signal indicating the timing at which a test signal is applied; a plurality of timing delay units for delaying the timing signal; a plurality of drivers for applying the delayed test signals; a sampler for sampling the test signal and outputting a sample voltage; a comparator for outputting a comparison result indicating whether the sample voltage is higher than the reference voltage; a determination part for determining whether the sample voltage matches the reference voltage; and a timing calibration part for calibrating the delay time caused in the timing signal by the plurality of timing delay units in order to synchronize the timing at which the test signals are applied to the device under test.