34results about How to "Good antivirus performance" patented technology

The invention relates to a thermal insulation and soundproof glass microfiber cotton for aviation and a preparation method thereof. The glass microfiber cotton includes ultrafine glass fiber cotton, a modified single-component water-based resin, a coupling agent and a water-based color paste. The fine glass fiber cotton is composed of glass microfibers with three kinds of rapping degrees SR°49±1, SR°34±1 and SR°24±1, and the modified single-component water-based resin includes Class A and Class B, wherein, Class A is modified water-based phenolic resin, and Class B is modified water-based polyurethane resin. The mixed solution B obtained by uniformly mixing Class B modified one-component water-based resin and coupling agent, and Class A modified one-component water-based resin The mixed solution A evenly mixed with the water-based color paste, the mixed solution B and the mixed solution A are coated on the surface of the glass microfiber in two steps and formed into a glass microfiber cotton, which has good softness, strong hydrophobicity, and mechanical properties. High-strength, heat-insulating and sound-insulating glass microfiber wool for aviation use.

The invention discloses a degradable antiviral material and its preparation method and its application on a mask, comprising the following steps: S1, stirring and dissolving polyol surfactant, absorbable polymer and benign solvent in proportion to obtain A solution ; S2, adding nano-titanium dioxide to the A solution, and obtaining a suspension after stirring; S3, heating the suspension to remove the solvent, and after a certain period of heat preservation reaction, a degradable composite material is obtained; S4, combining the degradable composite material with the inhibitor The bacterial agent is ground into ultrafine powder; S5, adding the ultrafine powder into a solvent to form a composite colloid solution; S6, pouring the composite colloid solution into a mold, and forming it to obtain it. The invention uses the degradable polymer material as the matrix, utilizes its own degradability and the self-catalytic degradation performance of nano-titanium dioxide, and avoids the problem of secondary pollution caused by the refractory degradation of conventional protective mask materials.

The invention discloses a flame-retardant anti-virus anti-chemical fabric and a manufacturing method thereof. The fabric includes an outer layer, a middle layer and an inner layer from the outside to the inside, and the layers are connected in sequence; the outer layer is made of flame-retardant polyolefin film; the inner layer is made of ePTFE film, flame-retardant TPU film, flame-retardant Any one of TPEE film, flame retardant PVC film, flame retardant polyolefin film, flame retardant PU coating, flame retardant PVC coating, PVDC coating or PVDF coating; the middle layer is made of flame retardant fiber fabric and polyester Composed of halogenated olefin film; the fabric has excellent anti-hazardous chemical permeability, good anti-toxicity and flame retardancy, and is light and thin. The overall thickness of the fabric is 1.0‑2.5mm, and the weight is less than 550g / m 2 , Anti-mustard gas penetration time ≥ 72h, anti-chemical penetration time ≥ 8h, after-burning ≤ 10s, smoldering ≤ 10s, damage length ≤ 100mm. The process of the method is simple and easy.

The invention provides a high-temperature-resisting structural adhesive film capable of being stored for a long time at the room temperature and a preparation method thereof and relates to a structural adhesive film and a method for preparing the adhesive film. The structural adhesive film and the method for preparing the adhesive film aim to solve the problems that an existing structural adhesive film is short in room temperature storage life, and combusted smoke is high in toxin. The adhesive film is composed of polybenzoxazine resin, a toughening agent, modifier, a heat conduction material, a coupling agent, inorganic filler and a carrier. The preparation method includes the steps that firstly, process modifier and toughening modifier are subjected to prepolymerization in a reaction kettle, then the polybenzoxazine resin is added and stirred to be uniform, and modified polybenzoxazine resin is obtained; then, the modified polybenzoxazine resin is subjected to vacuum kneading with the silane coupling agent, the heat conduction material and the inorganic filler through a kneading machine, and an adhesive material is obtained; finally, the adhesive material is subjected to hot pressing with the carrier on an adhesive film calender to be made into the film, and the high-temperature-resisting structural adhesive film can be obtained. The high-temperature-resisting structural adhesive film has the advantages of being flame retardant, low in smoke, low in toxin, capable of achieving complete curing at the temperature of 185 DEG C, high in adhesion strength and good in high temperature resistance; the adhesive film is stored for 180 days at the room temperature, and process performance and adhesion performance maintain unchanged.