Abstract:
Provided is a waterproof gas-permeable membrane (1) having higher levels of both gas permeability and waterproofness than conventional ones. The waterproof gas-permeable membrane (1) includes: a non-porous resin film (2) having through holes (21a to 21g) formed to extend through the thickness of the resin film (2); and a liquid-repellent layer (3) formed on a principal surface of the resin film (2) and having openings (31) positioned in register with the through holes (21a to 21g). The through holes (21a to 21g) extend straight and have a diameter of 15 μm or less. The through holes (21a to 21g) are distributed at a hole density of 1×103 holes/cm2 or more and 1×109 holes/cm2 or less in the resin film (2). The through holes (21a to 21g) extend in oblique directions with respect to a direction perpendicular to the principal surface of the resin film (2). The through holes (21a to 21g) that extend in different oblique directions are present together.
Abstract translation:本发明提供一种防水透气膜(1),其比透气性和防水性都高。 防水透气膜(1)包括:具有形成为延伸穿过树脂膜(2)的厚度的通孔(21a至21g)的无孔树脂膜(2); 以及形成在所述树脂膜(2)的主表面上并且具有与所述通孔(21a〜21g)对准的开口(31)的防液层(3)。 通孔(21a〜21g)直线延伸,直径为15μm以下。 通孔(21a〜21g)在树脂膜(2)中以1×10 3孔/ cm 2以上1×10 9孔/ cm 2以下的孔密度分布。 通孔(21a〜21g)相对于与树脂膜(2)的主面垂直的方向在倾斜方向延伸。 以不同的倾斜方向延伸的通孔(21a〜21g)一起存在。
Abstract:
A fluorine resin film to be provided includes a fluorine resin, and has a surface subjected to a modification treatment. In a C1s narrow spectrum at the surface evaluated by electron spectroscopy for chemical analysis, an intensity of a peak at a 284 eV chemical shift is 0.80 or less when an intensity of a maximum peak is set to 1. This fluorine resin film is a fluorine resin film having a surface subjected to a modification treatment, and is suitable for manufacturing a molded rubber body having a surface coated with the film.
Abstract:
A fluorine resin film to be provided includes a fluorine resin, and has a surface subjected to a modification treatment. The fluorine resin film has, at the surface, the following proportion of each of carbon, oxygen, and fluorine elements based on 100 atom % of a sum of the elements: 30 atom % or more and 70 atom % or less of carbon; 0.6 atom % or more and less than 13 atom % of oxygen; and 60 atom % or less of fluorine. This fluorine resin film is a fluorine resin film having a surface subjected to a modification treatment, and is suitable for manufacturing a molded rubber body having a surface coated with the film.
Abstract:
A fluorine resin film to be provided includes a fluorine resin, wherein the fluorine resin film has an average value of 1200% or more of a tensile elongation at break in a first direction and a tensile elongation at break in a second direction under a 180° C. atmosphere, the first direction and the second direction being in-plane directions and orthogonal to each other. This fluorine resin film can be used as a coating film for coating the surface of a rubber-containing substrate included in a molded rubber body and is suitable for manufacturing a molded rubber body having a surface coated with the film.
Abstract:
The present invention provides an air-permeable filter capable of maintaining excellent air permeation performance without being clogged even in an environment involving exposure to an oil, oil mist, or ink. The present invention relates to an air-permeable filter including a porous membrane having a surface coated with an oil-repellent agent, the filter being characterized in that a sliding angle of 20 μl of hexadecane or pentadecane on the surface of the filter is 60° or less.
Abstract:
An object of the invention is to provide a hydrogen-releasing film which rarely undergoes the deterioration in hydrogen-releasing performance even when used for a long period. In addition, it is another object of the present invention to provide a safety valve for an electrochemical element, wherein the valve is provided with the hydrogen-releasing film, and to provide an electrochemical element having the safety valve. A hydrogen-releasing film having a metal layer, wherein at least one surface of the hydrogen-releasing film has a water contact angle of 85° or more.