68results about How to "Poor durability" patented technology

A method is disclosed for forming leak-free coatings on polymeric or other surfaces that provide optical functions or protect underlying layers from exposure to oxygen and water vapor and do not crack or peel in outdoor environments. This method may include both cleaning and surface modification steps preceding coating. The combined method greatly reduces defects in any barrier layer and provides weatherability of coatings. Specific commercial applications that benefit from this include manufacturing of photovoltaic devices or organic light emitting diode devices (OLED) including lighting and displays.

The present invention relates to an acrylic pressure sensitive adhesive composition comprising (meth)acrylic copolymers including alkyl(meth)acrylic acid ester monomer having 1˜12 carbon atoms of alkyl group, characterized in that the gel content is 10˜55%, the swelling ratio is 30˜110, the weight average molecular weight of sol eluted from the adhesive by ethyl acetate is at least 800,000, the molecular weight distribution is 2.0˜7.0; and a polarizer and a liquid crystal display comprising the above composition show excellent durability under a high temperature and humidity condition, and can improve the light leakage phenomenon and provide excellent operability at the time of manufacturing polarizer by effectively providing high modulus and stress release property.

An ultraviolet and infrared radiation absorbing green glass comprises: in % by weight, as coloring components, 0.5 to 1.1%, excluding 0.5%, total iron oxide in terms of Fe2O3; 0 to 2.0% CeO2, 0 to 1.0% TiO2; 0.0005 to 0.01% NiO; and 0.0001 to 0.001% CoO; wherein, when the glass has a thickness of 4 mm, the glass has a visible light transmittance of 70% or more, a total solar energy transmittance of 60% or less, and an ultraviolet transmittance defined by ISO 9050 of 25% or less.

An acrylic adhesive composition, an optical film and a liquid crystal display using the same, wherein the acrylic adhesive composition has excellent impact resistance, which improves resistance to external impact of an optical film, increases the wide viewing angle and brightness of an image display, such as a liquid crystal display, and increases durability of the optical film under heat and moist heat conditions. The acrylic adhesive composition having excellent impact resistance includes (a) 100 parts by weight of an acrylic copolymer, (b) 0.01˜10 parts by weight of a crosslinking agent, and (c) 0.5˜20 parts by weight of a polymer having an amino group, the acrylic copolymer being obtained by copolymerizing (1) 0.5˜10 wt % of a vinylic monomer having no carboxyl group, (2) 0.5˜20 wt % of a vinylic monomer having a carboxyl group, and (3) a balance of a (meth)acrylic acid ester monomer having a C1˜C12 alkyl group.

An electronic control apparatus comprises a housing of synthetic resin, a cover of metallic material, fixed to the housing by a fastening bolt, and an electronic control section enclosed in an interspace formed between the housing and the cover. A conductive gasket is interposed between a joint surface of the housing and a joint surface of the cover, and arranged to ground the cover electrically through the conductive gasket, to relieve static electricity from the metallic cover to a ground or a main body of a vehicle.

The present invention is a tinted, optical adhesive for use in making plasma display filters comprising a substantially acid free, pressure-sensitive adhesive (PSA) containing a narrow-band, visible spectrum dye (e.g. less than 30 nm bandwidth) and a broader-band, near infra-red spectrum dye (e.g. greater than 200 nm), the second dye providing enhanced thermal stability as well as near infra-red (NIR) blocking. Further, acid-free adhesives offer improved stability of light control dyes. In the present invention, porphyrin-based dyes combined with acrylate-based, pressure-sensitive optical adhesives are preferred. Invention offers reduced number of functional layers in an optical filter structure as well as reduced number of manufacturing (lamination) steps in the optical filter/plasma display assembly process.

Anionic electrodeposition coating compositions for forming matte films containing acrylic resin; alkoxysilyl group containing emulsified polymer produced by a multiple stage emulsion polymerization of unsaturated monomer in the presence of water and a emulsifier, wherein the unsaturated monomer containing alkoxysilyl group-containing unsaturated monomer is present in an amount of 5 to 40% by weight based on a total amount of all the unsaturated monomers used in the multiple stage emulsion polymerization; and crosslinking agent.

Lateral cross-sections of first guiding grooves provided in the inner wall surface of an outer cup are formed in a circular arc shape for one point contact with balls, and lateral cross-sections of second guiding grooves provided in the outer wall surface of an inner ring are formed in an elliptic arc shape for two-point contact with the balls. The diameter of a ball and an offset amount between a first and a second groove is set to satisfy the expression of 0.12≦V≦0.14 with V being the ratio of the two values.

The present invention relates to an acrylic pressure sensitive adhesive composition comprising (meth)acrylic copolymers including alkyl(meth)acrylic acid ester monomer having 2˜14 carbon atoms of alkyl group, characterized in that the gel fraction is 10˜55%, the swelling ratio is 30˜110, the weight average molecular weight of sol eluted from the final adhesive by ethyl acetate is at least 800,000, comprising low molecular weight molecule having the maximum 100,000 of weight average molecular weight by 10˜40 wt % of the total sol component; and the above composition show excellent durability under a high temperature and/or humidity condition, and can improve the light leakage phenomenon and provide excellent operability at the time of manufacturing polarizer by effectively providing high modulus and stress release property.

A polishing pad of excellent durability has a polishing layer is arranged on a base material layer, and the polishing layer comprises a thermosetting polyurethane foam having roughly spherical interconnected cells with an average cell diameter of 35 to 300 μm.

A self-adhesive fabric reinforced thermoplastic polyolefin compound waterproof membrane comprises a fabric reinforced thermoplastic polyolefin layer, a functional transition layer, a self-adhesive bitumen layer. Wherein, the fabric reinforced thermoplastic polyolefin layer comprises two thermoplastic polyolefin layers and a fabric reinforced layer between them. The thermoplastic polyolefin layer mainly comprises first-component and second-component thermoplastic polyolefins, filler, coupling agent, UV screener, antioxidant and light stabilizer. The present invention is provided with features of TPO membrane, such as environment friendly, easy processing, outstanding low-temperature performance, excellent weldability and durability, as well as advantages of self-adhesive bitumen membrane, such as easy installation, high bonding strength of substrate, watertight and fully adhered performance and reliable hot-air welding joints. It is characterized by high strength, perfect elongation, excellent low-temperature performance, high weatherability and high solar reflection, perfect flatness of roll, adequate bonding with self-adhesive bitumen and easy installation, which is a type of advanced waterproof membrane.

An eyelash brush may include a brush rod disposed with a grip portion at one end, and a pivot-connecting end at the other end with a cambered end portion and two beveled guiding surfaces on both sides. A pivot hole is disposed at center of the two beveled guiding surfaces. Two position portions are disposed by two sides of the cambered end portion of the pivot-connecting end for positioning and pressing against. A movable rod is coupled with an eyelash brush at one end and two pivot portions are disposed at the other end, and two pivot rods are protrudingly disposed on opposite inner sides of the two pivot portions. A pivot groove corresponding to a thickness of the pivot-connecting end of the brush rod is formed between the two pivot portions so that the oppositely disposed pivot rods of two pivot portions can be pressed inside the pivot hole.

Methods for producing ferroelectric device are described. A method includes positioning an organic polymeric ferroelectric layer between two conductive materials to form a stack. The stack can be subjected to a 2-step heat treating process. The first heat treating step transforms the organic polymeric ferroelectric precursor to a ferroelectric material having ferroelectric hysteresis properties, and the second heat treating step densities the ferroelectric material to obtain the ferroelectric device. The thin film ferroelectric device can include a thin film ferroelectric capacitor, a thin film ferroelectric transistor, or a thin film ferroelectric diode.

Provided is a recording layer for optical information storage media, which not only excels in initial reflectivity and creativity of recording marks, but also extremely excels in durability under high temperature and high humidity conditions, and which can be adequately applied to next-generation optical discs using blue-violet laser. The recording layer for optical information storage media is a recording layer to create recording marks upon irradiation with a laser beam. This recording layer is composed of a tin-based alloy containing a total of 1.0 atomic percent or more and 15 atomic percent or less of at least one selected from neodymium (Nd), gadolinium (Gd), and lanthanum (La).

Novel iron sulfides having excellent durability and excellent treating properties of heavy metals, processes for producing the iron sulfides, iron sulfide mixture, a heavy metal treating agent containing either of these novel iron sulfides as an effective component, and a method by which wastes containing various heavy metals are treated with the heavy metal treating agent are disclosed. The iron sulfide having a mackinawite structure which contains FeMxNySz wherein M represents an alkaline earth metal, N represents an alkali metal, and x, y and z, indicating the molar proportions of the respective elements, represent numbers satisfying 0.01<x<=0.5, y<=0.2 and 0.7<=z<=1.4, as an essential component.

A wire cutting electrode which includes a carbon nanotube composite wire, a tensile strain rate of the carbon nanotube composite wire being less than or equal to 3%. The carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire consists of a plurality of carbon nanotubes oriented around a longitudinal axis of the carbon nanotube composite wire. A twist of the carbon nanotube wire ranges from 10r/cm to 300r/cm. A diameter of the carbon nanotube wire ranges from 1 micron to 30 microns. The metal layer is coated on an outer surface of the carbon nanotube wire, and a thickness of the metal layer ranges from 1 micron to 5 microns. A wire cutting device using the wire cutting electrode is also provided.

An electrophotographic imaging method, wherein a liquid developer directly contacts an electrophotographic organic photoreceptor to develop an image, utilizes a binder contained in a surface layer of the organic photoreceptor that comprises a polyester resin having a main chain of a biphenylfluorene repeating unit. Since the organic photoreceptor has effective initial electrostatic characteristics and experiences little change in electrostatic characteristics before and after soaking in a solvent for a liquid developer, even when the liquid developer directly contacts an organic photoreceptor, the organic photoreceptor is not eroded by the solvent, and the developer is not contaminated. Therefore, stable development can be performed.

The invention provides a golf ball material made of a resin composition composed of (a-I) an olefin-acrylic acid copolymer having a weight-average molecular weight (Mw) of from about 150,000 to about 200,000 and a weight-average molecular weight (Mw) to number-average molecular weight (Mn) ratio of from about 3.0 to about 7.0, or a metal neutralization production thereof; (a-II) an olefin-methacrylic acid copolymer-unsaturated carboxylic acid ester copolymer having a weight-average molecular weight (Mw) of from about 120,000 to about 200,000 and a weight-average molecular weight (Mw) to number-average molecular weight (Mn) ratio of from about 3.0 to about 7.0, or a metal neutralization production thereof; (b) an organic acid or a metal salt thereof; and (c) a basic inorganic metal compound which is capable of neutralizing acid groups in the composition. The golf ball material of the invention enables a highly neutralized ionomer having good flow properties and moldability to be achieved. Golf balls in which an injection molding of the golf ball material is used as the cover material have an excellent rebound while retaining a good durability.

The present invention provides a cushion pad with improved durability without feeling of a foreign object.

The present invention thus provides a system for detecting a deformation of a cushion pad, comprising;

• • the cushion pad comprising a matrix layer, in which electroconductive or magnetic filler is dispersed, and a soft polyurethane foam including the matrix layer incorporated therein, and
  • a detecting portion that detects an electric or magnetic change caused by a deformation of the cushion pad,
  • wherein the matrix layer has a hardness lower than the soft polyurethane, and it production method.