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The utility model discloses a particle size sorting machine with on-line detection, which comprises a sorting machine body, the top of the sorting machine body is provided with a detection box communicated with an inlet of the sorting machine, the detection box is internally provided with an on-line detection conveying assembly, and the output end of the on-line detection conveying assembly is positioned right above the inlet of the sorting machine body; a discharging hopper is arranged at the top of the detection box and corresponds to the upper portion of the online detection conveying assembly. By arranging the detection box and the on-line detection conveying assembly, materials enter the on-line detection conveying assembly through the discharging hopper, and after the materials are in contact with the transmission belt, metal in the materials is detected by the flexible magnetic sheet and then small metal can be adsorbed, so that the purpose of on-line detection of the metal in the materials is achieved; the problems that in the prior art, recycled plastic generally contains some metal scraps, and no reliable mode is provided for conducting online detection treatment on the metal in the prior art, so that the plastic quality is affected are solved.

This invention relates to the field of tape technology, specifically to an ultra-thin green PET pressure-sensitive adhesive tape with a high gyrometric coating reinforcement. The tape comprises a green PET substrate with a thickness ≤12μm and a primer reinforcement layer and a pressure-sensitive adhesive layer sequentially arranged therefrom. The primer reinforcement layer consists of an anchoring primer layer, an intermediate primer layer, a borate ester dynamic covalent pre-organized layer, an iron-citric acid slow-release coordination layer, a free trivalent iron locking layer, and a pH recovery and shaping layer. Through multi-layer synergistic action, it maintains high surface energy for a long time, significantly improving the interfacial bonding strength with water-based pressure-sensitive adhesives, resistance to damp heat aging, and resistance to die-cutting edge warping, while maintaining the flexibility of the substrate, making it suitable for the field of precision electronic assembly.