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Parameter-adjustable microdroplet generator and its usage method
The invention discloses an adjustable micro-droplet generation device, comprising a mounting frame equipped with a droplet extrusion mechanism, a speed control mechanism and a loading platform. The nozzle of the droplet extrusion mechanism is directly above the loading platform and located at the outlet end of a hollow glass tube serving as an air flow…
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Mixtures of semi-aromatic polyamides and molded articles with improved weld line strength
The invention relates to a mixture of at least one semi-aromatic polyamide A) and at least one semi-aromatic polyamide B), both containing repeating units derived from terephthalic acid. The invention further relates to polyamide molding compositions containing the polyamide mixture, molded articles produced from the compositions, and application of the semi-aromatic polyamide mixture for manufacturing…
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Apparatus for manufacturing rubber-coated heads and rubber-coated cords
A rubber coating head and a manufacturing device for rubber-coated cords. The device improves rubber adhesion performance on cords. The rubber coating head and cord manufacturing device are used for coating at least one continuously fed cord with unvulcanized rubber. The rubber coating head includes a shell provided with a rubber filling space filled with…
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Lightweight antistatic foam pump and its material production process
The invention relates to a lightweight anti-static foam pump and its material production process, designed to solve the technical defects of unreasonable internal space layout, absence of dual piston and connecting seat structure in existing similar products. The key structure is as follows: the internal piston of the foam pump includes a large piston and…
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A high-pressure vulcanization process for rubber rollers
The invention discloses a high-pressure vulcanization process for rubber rollers, belonging to the field of rubber roller manufacturing. The specific operation steps are as follows: S1. Batching: placing raw rubber, Adhesive A, Adhesive S and fumed silica in equal proportions; S2. Mixing the raw materials, followed by internal mixing and filtration simultaneously; S3. Extruding and…
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Filament composition
This paper provides a composition for forming filaments, which is a blend of the following substances: (a) 1 wt% to 40 wt% of post-consumer recycled materials with a density of 0.910 g/cm³ to 0.940 g/cm³ and a melt index of 1.0 g/10min to 5.0 g/10min; wherein the post-consumer recycled materials consist essentially of (ai) 30…
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