7results about How to "Guaranteed bonding performance" patented technology

The application discloses a single-component transparent silicone sealant and a preparation method thereof. The single-component transparent silicone sealant is prepared from alpha, omega-dihydroxyl polydimethylsiloxane, a hydroxyl-terminated phenyl-modified resin, heat-resistant fillers, a hydroxyl scavenger, a crosslinking agent, a coupling agent and a catalyst. The crosslinking agent is composed of butanone oxime silane and siloxane oligomers. The hydroxyl-terminated phenyl-modified resin is modified from methyl-terminated phenyl MQ resin. The MQ ratio of the methyl-terminated phenyl MQ resin is 0.5-1, and the phenyl content is 5%-30%. The silicone sealant can maintain high transparency, and has good heat resistance and curing performance. The silicone sealant is a single-component system, and can be applied to the market. After being applied to the market, the silicone sealant can be constructed by using simple glue coating equipment, and the construction cost of enterprises is reduced.

The invention relates to the technical field of low-temperature upgrading, and discloses a coking coal caking property improving method and system based on low-temperature upgrading, and the method comprises the following steps: carrying out data acquisition on a target coking coal sample to obtain a basic coal quality parameter set; performing finite element numerical simulation on the carbonization behavior to obtain physical state structure hierarchical data; mapping the state structure hierarchical data to a preset volatile component release kinetics database to obtain a volatile component extraction rate curve; carrying out correlation analysis on a co-evolution behavior between a melting layer and a colloid layer in the target coking coal sample to obtain an initial deformation coefficient and an initial air permeability coefficient; performing global optimization on the low-temperature upgrading process parameter combination to obtain a deformation coefficient, an air permeability coefficient and an optimal process parameter group; when the technological requirements are met, outputting an optimal technological parameter group to obtain an optimal technological parameter message; according to the invention, the efficiency of improving the caking property of the coking coal can be improved.

The utility model relates to the technical field of endoscopes, and discloses an endoscope insertion tube and an endoscope, and the endoscope insertion tube comprises a metal elastic layer, a metal braid layer and a self-repairing layer. The self-repairing layer comprises a self-repairing resin layer and a self-repairing coating layer; the self-repairing resin layer is arranged outside the metal braid layer, the self-repairing coating layer is arranged outside the self-repairing resin layer, and the material of the self-repairing coating layer comprises a coating with self-repairing capability. The outer surface of the endoscope insertion tube with the structure is the self-repairing layer, when the outer surface of the insertion tube is scratched or damaged due to improper use of an operator, the self-repairing layer can automatically repair the outer surface of the insertion tube under the conditions of heating, illumination or radiation and the like, the outer surface of the insertion tube is convenient to repair, the repairing cost is low, and the service life of the insertion tube is prolonged. The service life of the insertion pipe can be effectively prolonged; when the outer surface of the insertion tube is damaged, the insertion tube does not need to be replaced, so that the repair and maintenance cost of medical equipment can be reduced.

The application relates to the field of road construction materials, and particularly discloses a road base mixture based on construction waste recycled aggregate and a preparation method thereof, the road base mixture is prepared from the following raw materials in parts by weight: recycled aggregate 80-100 parts, cement 20-30 parts, mineral powder 10-20 parts, fly ash 5-10 parts, water 14-20 parts, anti-shrinkage stabilizer 2-5 parts and reinforcing material 2-6 parts; and the preparation method comprises the following steps: S1, uniformly mixing and stirring the recycled aggregate, the cement, the mineral powder and the fly ash to obtain initial mixture; and S2, uniformly mixing and stirring water, the anti-shrinkage stabilizer and the reinforcing agent in the initial mixture to obtain finished mixture; the road base mixture has the advantages of high strength and good durability.

This invention relates to the field of photovoltaic module encapsulation materials technology, specifically a thermoplastic polyolefin carrier film, comprising 10-100 parts of thermoplastic polyolefin, 0.1-5 parts of a crosslinking agent, 0.1-5 parts of a tackifier, and 0.1-5 parts of a light stabilizer. The thermoplastic polyolefin, crosslinking agent, tackifier, and light stabilizer are stirred evenly, and the raw materials are melt-extruded through a screw extruder, controlling the extrusion temperature and screw speed to obtain a single-layer or multi-layer TPO carrier film. After casting, embossing, cooling and shaping, thickness measurement, traction, slitting, and winding, the thermoplastic polyolefin carrier film is obtained. The thermoplastic polyolefin carrier film is irradiated to form a crosslinked network through electron beam radiation. This invention utilizes γ-methacryloyloxypropyltrimethoxysilane and vinyltrimethoxysilane to ensure the adhesion between the carrier film and the BC solar cell after high-temperature aging, improve the high-temperature resistance of the module, and effectively reduce the generation of EL shadows in the module under high-temperature conditions.

The utility model discloses a kind of steel row peg bonding machines, it is related to steel row peg bonding technical field, including row peg machine body, the inside of row peg machine body is provided with steel row peg body, the front and back of row peg machine body are fixedly installed with vertical plate, the shell inside of vertical plate is equipped with ventilation cavity, the opposite surface of two vertical plates is equipped with the air outlet hole that is communicated with ventilation cavity inside, the lower surface of row peg machine body is fixedly installed with fan and heating box respectively, the inside of heating box is provided with electric heating wire.This device when using, after several steel row peg bodies that are brushed with glue material are arranged and conveyed to vertical plate by row peg machine body operation, fan operation sends the heat in heating box to ventilation cavity by air supply hole channel and blows out through several air outlet holes, can dry the glue material on the surface of steel row peg body, make it fast dry solidification, shaping, avoid the situation that breakage appears when unloading in subsequent due to glue material not completely solidified, provide guarantee for its bonding effect.

The present application relates to the technical field of medical polymer materials, in particular to a medical adhesive tape based on low-sensitization acrylate medical adhesive and a preparation method thereof, the medical adhesive tape is composed of 65-78% low-sensitization acrylate adhesive main body, 15-22% medical-grade breathable non-woven fabric substrate, 5-8% medical silicone release layer, 1.5-3% low-sensitization soothing auxiliary agent, 2-4% hydrogenated rosin tackifying resin, 0.3-0.8% multifunctional crosslinking agent and 0.1-0.5% low-temperature initiator by weight percentage; the adhesive main body is a ternary copolymer system, and the copolymer glass transition temperature is accurately controlled to be 243-253 K. The medical adhesive tape is prepared by low-temperature solution polymerization, low-sensitization modification, high-pressure micro-perforation coating and three-stage curing and sterilization process, has a peel strength of 1.0-2.5 N / 25 mm, a holding time of ≥24 h and a skin sensitization reaction grade of ≤ grade I, and has low sensitization, stable adhesion and high breathability, and can meet the use requirements of various medical fixation scenes in clinical applications.