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A powder Metallurgical material processing equipment and processing technology
The present invention discloses a powder metallurgy material processing device. By using a reciprocating pin screw extruder instead of traditional equipment such as internal mixers and open mills, the powder metallurgy material processing device can reduce floor space, improve processing efficiency, and lower pollution and cost. By feeding powder metallurgy raw materials, iron powder and
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Extruder for thickening preparation of meltable polymers
The present invention relates to an extruder (100) comprising a housing with an inner housing recess, in which an extruder screw with helical extruder screw flights (32, 33, 34) is rotatably mounted. The outer diameter of the extruder screw is subdivided into a diameter start zone, a diameter center zone and a diameter end zone,
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Polyamide industrial filaments and their preparation methods and applications
A polyamide industrial yarn and a preparation method and application thereof, wherein the production raw materials of the polyamide industrial yarn at least comprise 1,5-pentanediamine and linear aliphatic diacid; or polyamide 5X polymerized from 1,5-pentanediamine and linear aliphatic diacid as monomers. The polyamide industrial yarn has the characteristics of low water absorption, good dimensional stability,
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Lightweight, high-rigidity multi-segment cylindrical vacuum bottles and their preparation methods
The present invention relates to a lightweight, high-rigidity multi-section cylindrical vacuum bottle and a preparation method thereof, designed to address the technical problems of existing similar products such as difficulty in reusing the outer casing, poor environmental performance, high packaging cost, and room for improvement in material production processes. The key point is that the
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Sheet-core filaments containing polyisobutylene compositions and their printing methods
The present invention provides amorphous polyolefin compositions that can be digitally dispensed as a core in a sheath-core construction. In addition to providing high barrier properties against air and moisture, which are beneficial in many applications, these formulations offer reliable adhesion to both polar and non-polar surfaces. These formulations and methods of processing them provide
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A processing device and processing method suitable for meltblown nonwoven fabrics
The present invention is applicable to the technical field of non-woven fabrics, and provides a processing device and a processing method suitable for melt-blown non-woven fabrics, comprising a hot melt machine, a screw extruder, an air compressor, an air heating tank, a nozzle, a housing, an air duct, a blower, a baffle and a winding
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