▎ 摘　　要

NOVELTY - Two-component polyurethane sealant comprises component (A) and component (B), where the component (A) comprises 90-120 pts. wt. polymer polyol, 5-150 pts. wt. solid filler, 10-30 pts. wt. graphene, and 5-21 pts. wt. plasticizer, and the component (B) comprises 8-35 pts. wt. crosslinking agent, 2-20 pts. wt. tackifier, 1-4 pts. wt. catalyst, 2-8 pts. wt. defoamer, and 1-5 pts. wt. coupling agent. USE - The two-component polyurethane sealant is used for sealing photovoltaic modules, automotive components, electronic appliances, architectural glass, curtain wall components, and mixing devices. ADVANTAGE - The two-component polyurethane sealant achieves excellent interaction and increases the graphene component, has excellent bonding performance, durability, sealing and long-term storage stability, ensures that the materials are more fully mixed and avoids the problem of poor product quality caused by uneven mixing. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a processing device for two-component polyurethane sealant comprising a mixing box and a sound insulation layer arranged on its outer side for noise reduction. A number of legs are provided at the lower end of the mixing box. The upper end of the mixing box is provided with a discharging port and a feeding component used for feeding relative to the discharging port. The mixing box is provided with mixing components for mixing materials. The mixing assembly comprises a mounting plate rotatably arranged inside the mixing box. The mounting disk is connected to a rotary drive mechanism for driving it to rotate, and a collecting hopper for receiving materials is provided at the middle position of the upper end of the mounting disk. A horizontal dispersing disc is arranged below the collecting hopper. The upper end of the dispersion disc is connected and fixed with the lower port of the collecting hopper through a boom. The area of the upper end of the dispersion disc is larger than the area of the lower port of the collecting hopper. Driving piles are distributed in an array on the outer side of the upper end of the dispersion plate. At least two reset sliders are slidably fitted on the mounting plate. A second stirring shaft is provided at the lower end of the reset sliding block. The second stirring shaft penetrates the mounting plate and extends to the inner bottom of the mixing box. The outer side of the upper end of each reset slider is connected and fixed with a positioning block on the mounting plate through a reset spring. The mounting plate is provided with a sliding slot opening which is convenient for the resetting slider to slide along the radial direction. A second stirring shaft and a first stirring shaft are distributed at the lower ends of the two reset sliders. The upper ends of the second stirring shaft and the first stirring shaft are each provided with a driven friction wheel. Second stirring rods are provided on the second stirring shaft. First stirring rods are provided on the first stirring shaft. The second stirring rod and the first stirring rod are arranged staggered. The inner wall of the mixing box is provided with a transmission friction wheel which is in pressure contact with the driven friction wheel.