摘要:
It administers a plurality of wireless base stations grouped into a plurality of groups, and performs the processing about the management, control and maintenance of the wireless base stations selectively for each of the groups. This enables the efficient management, control and maintenance processing of the wireless base stations.
摘要:
It administers a plurality of wireless base stations grouped into a plurality of groups, and performs the processing about the management, control and maintenance of the wireless base stations selectively for each of the groups. This enables the efficient management, control and maintenance processing of the wireless base stations.
摘要:
A polyolefin microporous film comprising polyethylene and polypropylene having a viscosity average molecular weight of 100,000 or higher, the polypropylene being contained in an amount of 4 wt % or more and the terminal vinyl group concentration per 10,000 carbon atoms in the polyolefin constituting the microporous film being 2 or more as measured by infrared spectroscopy. The microporous film has both of a good film breaking resistance and a low thermal shrinkage, is excellent in fuse property, and has a uniform film thickness. Particularly, the microporous film can retain safety in the oven safety test at 150° C. for a battery which is required for use as a lithium ion battery separator.
摘要:
The present invention provides a microporous polyolefin film having a thickness of 1 μm (inclusive) to 50 μm (inclusive), a porosity of 30% (inclusive) to 70% (inclusive), a piercing strength of 0.15 N/μm or more in terms of a film thickness of 1 μm, tensile strengths in the length direction (MD tensile strength) and the width direction (TD tensile strength) of 30 MPa or more each, a thermal shrinkage in the width direction (TD thermal shrinkage) of 1% or less at 65° C., and a thermal shrinkage ratio in the length to width direction (MD/TD thermal shrinkage ratio) of more than 2 at 65° C. A process for producing the microporous film and a nonaqueous electrolyte secondary battery using the film are also provided.
摘要:
A microporous polyolefin film which comprises 5 to 95 wt. % polyethylene (A) having a viscosity-average molecular weight (Mv) of 2,000,000 or higher, a first-melting-peak signal height as determined by DSC (differential scanning calorimetry) of 3.0 mW/mg or higher, a specific surface area of 0.7 m2/g or larger, and an average particle diameter of 1 to 150 μm and 95 to 5 wt. % polyethylene (B) having an Mw of 10,000 to 200,000, excluding 10,000 and 200,000, wherein the ratio of the Mv of the compound (A) to that of the compound (B), (A)/(B), is 10 or higher, the film as a whole has a molecular weight of 300,000 to 1,500,000, and the film has a fuse temperature of 120 to 140° C., a breaking temperature of 150° C. or higher, and a ratio of the piercing strength at 25° C. to the piercing strength at 140° C. of from 0.01 to 0.25.
摘要:
The present invention provides a microporous polyolefin film having a thickness of 1 μm (inclusive) to 50 μm (inclusive), a porosity of 30% (inclusive) to 70% (inclusive), a piercing strength of 0.15 N/μm or more in terms of a film thickness of 1 μm, tensile strengths in the length direction (MD tensile strength) and the width direction (TD tensile strength) of 30 MPa or more each, a thermal shrinkage in the width direction (TD thermal shrinkage) of 1% or less at 65° C., and a thermal shrinkage ratio in the length to width direction (MD/TD thermal shrinkage ratio) of more than 2 at 65° C. A process for producing the microporous film and a nonaqueous electrolyte secondary battery using the film are also provided.
摘要翻译:本发明提供一种厚度为1μm(包括端值)至50μm(含),孔隙率为30%(含)至70%(以下),穿孔强度为0.15N / m 2以上的微孔聚烯烃膜 膜厚1μm,长度方向的拉伸强度(MD拉伸强度)和宽度方向(TD拉伸强度)各自为30MPa以上,宽度方向的热收缩(TD热收缩率)为1 65℃以下的%以下,65℃以上的长宽方向的热收缩率(MD / TD热收缩率)大于2。一种微孔膜和非水电解质二次电池的制造方法 还提供使用该电影。
摘要:
A microporous membrane winding includes a microporous membrane wound around a core. The core has an outer diameter of 5 inches or greater, and has an outer surface with a surface roughness of 3.0 μm or less. A microporous membrane that is excellent in thickness uniformity and is favorably used as a separator for a lithium-ion secondary battery can be obtained from the microporous membrane winding.
摘要:
There is provided a separator for a high-power density lithium ion secondary battery, the separator comprising a polyolefin microporous membrane, wherein the polyolefin microporous membrane has a tensile strength in the longitudinal direction (MD) of 50 MPa or higher and a tensile strength in the transverse direction (TD) of 50 MPa or higher, and a sum total of an MD tensile elongation and a TD tensile elongation of 20 to 250%; and the polyolefin microporous membrane comprises a polypropylene.
摘要:
An inspection system in which an inspection of a work is conducted by processing image data of the work. The inspection system includes a data processor for storing image data of the work in a memory and executing data processing of the image data stored in the memory, a set process storing section for dividing a plurality of inspection items, which need different data processing respectively, of the image data stored in the memory into a plurality of groups within performance of the data processor and storing the plurality of inspection items, and an execution controller for causing the data processor to execute sequentially data processing of the image data stored in the memory in unit of group which is stored in the set process storing section.
摘要:
An inspection system which includes a memory for storing image data provided by picking up an image of a workpiece, a monitor for displaying the image data stored in the memory on a display screen with pixels arranged in an X-axis direction and a Y-axis direction perpendicular to the X-axis direction, a control panel for setting a window with four sides along the X- or Y-axis direction on the display screen, and an edge detection section for integrating the lightness values of the pixels with respect to each pixel string arranged in the Y- or X-axis direction in the setup window, and detecting as an edge the position in the X- or Y-axis direction corresponding to the maximum value of the portion where the absolute value of the differential operation result in the X- or Y-axis direction, of the integration result is equal to or greater than a threshold value.