34results about How to "Transparency impact" patented technology

The invention belongs to the polyester spinning field and relates to an 8-shaped hollow polyester fiber FDY (Fully Drawn Yarn) and a preparation method thereof. A spinning melt contains saturated fatty acid metal salt and modified polyester, wherein the mass ratio of saturated fatty acid metal salt to modified polyester is (0.0005-0.002) to 1; saturated fatty acid metal salt is fatty acid metal salt, the carbon atomic number is 12-22, the melting point is 100-180 DEG C, and the kinetic viscosity is less than or equal to 1Pa.s; a molecular chain of modified polyester comprises a terephthalic acid chain segment, a glycol chain segment and a rigid structure chain segment, and the molar ratio of the rigid structure chain segment to the terephthalic acid chain segment is (0.02-0.05) to 1; and the die swell ratio of the spinning melt is 1.23-1.33, and the after-filtration pressure during the spinning is 85-125kg/cm<2>. The prepared 8-shaped hollow polyester fiber FDY has relatively high degree of hollowness and relatively good shape-preserving effect.

The invention discloses a transparent display panel and a manufacturing method thereof. The transparent display panel comprises a substrate, organic electroluminescent devices, pixel electrodes, light-emitting layers, opposite-direction electrodes and a conductive layer, wherein the substrate comprises a plurality of pixel areas and a light transmitting area surrounding the pixel area; the organic electroluminescent devices are arranged on the substrate, correspond to the pixel areas of the substrate and comprise thin film transistors which are arranged on the pixel areas of the substrate; the pixel electrodes are arranged on the thin film transistors and electrically connected with the thin film transistors; the light-emitting layers are arranged on the pixel electrodes; the opposite-direction electrodes are arranged in the pixel areas of the substrate and located above the light-emitting layers; the conductive layer is arranged above the light transmitting area, located between the two opposite-direction electrodes and used for connecting the two adjacent opposite-direction electrodes; the conductive layer is made from conductive materials with the evaporation temperature lower than 600 DEG C.

A process for improving the water imperviousness of high-molecular substrate features that the fluoric acrylic acid or fluoric acrylate is attached on the surface by plasma polymerization, or optical or thermal polymerization to generate a (5-500)-nm high-molecular film. It is suitable for the substrate of microelectronic device.

The invention discloses a toughening modifying agent for a transparent polyvinyl chloride (PVC) product and a high-transparency polyvinyl chloride mixture. The toughening modifying agent is selected from chlorinated polyethylene or a copolymer of the chlorinated polyethylene and (methyl) alkyl acrylate or a mixture of the chlorinated polyethylene and a (methyl) alkyl acrylate polymer; the grain diameter D50 of the chlorinated polyethylene is smaller than 20 microns, the number-average molecular weight Mn is smaller than 25000 and the molecular weight distribution is more than or equal to 2.0 and smaller than or equal to 3.5; the polyvinyl chloride mixture is prepared from: (a) 100 parts of polyvinyl chloride resin; (b) 3 to 15 parts of the toughening modifying agent; (c) 0.5 to 5 parts of a stabilizer; (d) 0 to 10 parts of a PVC product machining auxiliary agent; (e) 0 to 10 parts of an anti-impact modifying agent; (f) 0 to 5 parts of a lubricant; (g) 0 to 10 parts of a plasticizer. The toughening modifying agent provided by the invention is used for modifying the PVC product and the obtained product has high light transmittance, good weather resistance and good toughness.

The invention discloses an anti-dripping transparent flame-retardant TPU material and a preparation method thereof. The effects that halogen-free flame retardants DIDOPO have high flowability; when the DIDOPO is used for achieving flame-retardant effects on the TPU, the TPU/DIDOPO flame-retardant material has excellent flame-retardant performance; the transparency of the TPU/DIDOPO flame-retardant material is not influenced; meanwhile, after the addition of transparent synergists, the flame-retardant synergistic effect is achieved on the TPU/DIDOPO flame-retardant material; meanwhile, the anti-reflection effect is achieved on the TPU/DIDOPO flame-retardant material, but the TPU/DIDOPO flame-retardant material can easily drip and fall are discovered. Therefore, the applicant discovers that the anti-dripping agent PTFE achieves an anti-dripping effect through the heated shrinkage by using the fibrillation of polytetrafluoroethylene polymers in the plastic processing process through the study; the flame spreading is reduced. When the anti-dripping agent PTFE is added into the TPU/DIDOPO flame-retardant material, the melt strength and the collapse resistance performance of the polymers are improved, so that the flame-retardant and anti-dripping performance of the TPU/DIDOPO is improved.

The invention discloses an antibacterial solution for a glass product and a use method of the antibacterial solution. The antibacterial solution contains silver ions, including silver ions and copper ions, and the silver ions are provided by silver ion salt which can be any one or two of silver nitrate and silver lactate. The antibacterial solution further comprises an auxiliary material condensed sodium phosphate or/and butyl hementerin. When the antibacterial solution is used, through steps of coating, drying, thermal treatment, stripping, washing and the like, the glass product with the antibacterial property can be produced, the operation is simple, and the produced antibacterial glass product is relatively good in security and has long-lasting antibacterial property.

The invention belongs to the field of polyester spinning, and relates to a multilobal hollow polyester fiber FDY (fully drawn yarn) and a preparation method thereof. A spinning melt comprises a saturated fatty acid metal salt and modified polyester according to a mass ratio of (0.0005 to 0.002) to 1; the saturated fatty acid metal salt is a fatty acid metal salt with carbon atom number of 12 to 22, melting point of 100 to 180 DEG C, and dynamic viscosity less than or equal to 1Pa.s; a molecular chain of the modified polyester comprises a terephthalic acid chain segment, an ethylene glycol chain segment and a rigid structure chain segment, the molar ratio of the rigid structure chain segment to the terephthalic acid chain segment is (0.02 to 0.05) to 1, the extrusion swelling ratio of the spinning melt is 1.20 to 1.31, and the post-filtering pressure is 80 to 120kg/cm<2> during spinning. The prepared multilobal hollow polyester fiber FDY has higher hollow degree and a better shape preserving effect.

The invention relates to a coating material, a coating layer, a transparent back plate and preparation methods of the coating material, the coating layer and the transparent back plate. The coating material comprises the following raw material components, in percentages by weight: 20-55% of resin, 0.1-1% of a silicon-containing substance, 1-5% of a curing agent and 40-75% of an organic solvent, wherein the silicon-containing substance is obtained by performing hydrolysis condensation on silicate and a silane coupling agent in the presence of a catalyst. The coating layer and transparent back plate prepared from the coating material provided by the invention have good transparency and abrasion resistance, excellent resistance to moist heat aging and good adhesion to different substrates, and the preparation methods of the coating material, the coating layer and the transparent back plate are simple and have low preparation costs, the mass production is easy to realize.

The invention belongs to the field of polyester spinning, and relates to a square hollow polyester fiber FDY (Fully Drawn Yarn) and a preparation method thereof. A spinning melt contains a saturated fatty acid metal salt and modified polyester; the mass ratio of the saturated fatty acid metal salt to the modified polyester is (0.0005-0.002):1; the saturated fatty acid metal salt is a fatty acid metal salt of which the carbon atom number is 12-22, the melting point is 100-180 DEG C and the power viscosity is less than or equal to 1Pa*s; the molecular chain of the modified polyester comprises a terephthalic acid chain segment, a glycol chain segment and a rigid structure chain segment; the mole ratio of the rigid structure chain segment to the terephthalic acid chain segment is (0.02-0.05):1; the die swell ratio of the spinning melt is 1.21-1.32; the after-filtration pressure of the spinning melt in spinning is 82-123kg/cm<2>. The square hollow polyester fiber FDY provided by the invention is relatively high in hollowness degree and relatively good in conformal effect.

The invention discloses surface modified nano-cerium oxide as well as a preparation method and use thereof. The invention further provides a polypropylene composition containing the modified nano-cerium oxide and polypropylene and a polypropylene film which are prepared from the composition. The surface modified nano-cerium oxide is prepared by the steps of reacting by virtue of large-particle cerium oxide and a surface modifier in a high-temperature and high-pressure microcell generated by laser bombardment so as to reduce the size of cerium oxide to a nano scale, and grafting the surface with the surface modifier. The surface modified nano-cerium oxide has the beneficial effects that on one hand, cerium oxide can be effectively subjected to surface treatment; on the other hand, nano-scale cerium oxide can be prepared from micron-scale cerium oxide, so that the material cost is saved; and furthermore, a columned cerium oxide solid target can continuously sink into a flow liquid phase, so that the preparation method has the advantage that the continuous operation is realized.