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Double-faced pressure-sensitive adhesive tape or sheet, and liquid crystal display apparatus

The present invention relates to a double-faced pressure-sensitive adhesive tape or sheet, which comprises: a base material; a pressure-sensitive adhesive layer disposed on one surface of the base material, which is a pressure-sensitive adhesive layer (A) including a pressure-sensitive adhesive composition containing an acrylic polymer (A1), and a silicone rubber fine particle (A2) in a proportion of from 3 to 50 parts by weight with respect to 100 parts by weight of the acrylic polymer (A1), the layer (A) being used so as to adhere to the liquid crystal display module unit; and another pressure-sensitive adhesive layer disposed on the other surface of the base material, which is a pressure-sensitive adhesive layer (B) including a pressure-sensitive adhesive composition containing an acrylic polymer (B1), and a low-molecular weight polymer component (B2), which contains, as a principal monomer component, an ethylenic unsaturated monomer having a glass transition temperature of from 60 to 190° C. when it is formed into a homopolymer and having a cyclic structure within the molecule thereof, and which has a weight-average molecular weight equal to or higher than 3,000 but lower than 20,000, in a proportion of from 5 to 35 parts by weight with respect to 100 parts by weight of the acrylic polymer (B1), the layer (B) being used so as to adhere to the backlight, in which the pressure-sensitive adhesive tape or sheet is for use in fixing a liquid crystal display module unit and a backlight unit.
Owner:NITTO DENKO CORP

Hard reinforced concrete revetment slope biological repairing method

The invention discloses a hard reinforced concrete revetment slope biological repairing method, which is characterized by comprising the steps of: roughing a concrete revetment and constructing drainage ditches at set intervals; digging a water collecting tank on one side of the cross of the revetment and a road, reserving an opening at the joint of the drainage ditch and the water collecting tank, and constructing a watertight concrete overflow bank; filling gravels in the water collecting tank and the drainage ditches; and welding earthwork grids by high-density polyethylene stripes on the protection slope, laying gravel cushion coats in the earthwork grids, and finally pouring biological slurry. The method has the advantages that: the whole project is stable and safe; rain flows into the water collecting tank and passes through grave areas, non-watertight sand-free concrete, a slope cushion coat, plant roots and the like to seep into rivers, so water quality is improved to a relatively large extent; when rainfall runoff is overlarge, the rain overflows from the overflow bank and passes through the graves of the drainage ditches, so the water quality is also purified to a certain extent, meanwhile the slope is protected; the biological slurry poured onto the slope is prepared from biological materials, and has certain anti-erosion strength and can be used as a substrate for plant growth, so the cost is low and the operation is simple.
Owner:HOHAI UNIV

Three-dimensional fiber-based aerogel catalyst carrier and preparation method thereof

The invention relates to a preparation method of a three-dimensional fiber-based aerogel catalyst carrier and a product thereof. The preparation method comprises the following steps of: firstly dispersing fibers in solvents to form turbid liquid; secondly curing the turbid liquid to form cured pieces; thirdly removing cured solvents to form non-crosslinked fiber-based aerogel; finally carrying out crosslinking stabilization treatment and then carrying out activation treatment, thus obtaining the three-dimensional fiber-based aerogel catalyst carrier. The product is a three-dimensional network-shaped material formed through mutual penetration and stagger of fibers. The fiber crossing points are effectively interconnected through non-hydrogen-bond bonding. The three-dimensional fiber-based aerogel catalyst carrier has volume density of 0.1-500mg / cm<3>, average pore size of 0.01-2000mu m and specific surface area of 0.2-2000m<2> / g. The preparation method and the product have the advantages that the preparation process is simple; the raw material limitations are less; and the aerogel catalyst carrier product has good flexibility, connectivity and catalyst supporting capacity and has broad application prospects in the catalytic application field.
Owner:DONGHUA UNIV

Lithium battery current collector, pole piece, lithium battery, preparation method thereof and application of lithium battery

The invention discloses a lithium battery current collector and a preparation method thereof, a lithium battery pole piece and a preparation method thereof, a lithium battery and a preparation method and application thereof. The lithium battery current collector includes a porous current collector body, which is filled or / and deposited with a lithium source material. The lithium source material is a lithium metal or / and lithium-rich material. The lithium battery pole piece and the lithium battery both contain the lithium battery current collector. The lithium battery current collector provided by the invention enables the lithium source material to be effectively fixed in the current collector body. The lithium battery pole piece containing the lithium battery current collector can make the lithium in the lithium source material ionize during electrochemical activation and completely absorbed by a positive active material in an anode layer or a negative active material in a cathode layer so as to compensate the lithium ion lost in an initial charge / discharge process, thereby reducing the irreversible capacity. Therefore, the lithium battery has high initial coulombic efficiency and capacity as well as safety performance.
Owner:HUAWEI TECH CO LTD
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