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A Polyphenylene Ether-Polycarbonate Composition and a Method for Preparing the Same
The invention discloses a polyphenylene ether-polycarbonate composition and a preparation method thereof, prepared from the following parts by weight: 80–200 parts of polyphenylene ether, 50–80 parts of polycarbonate, 30–50 parts of HIPS, 5–15 parts of fumaric anhydride-grafted PPO, 1–2 parts of lubricant, 3–8 parts of first antioxidant and 0.5–1 part of second antioxidant, wherein the
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An Extruder for 3D Printing Equipment
The invention relates to the technical field of 3D printing, and discloses an extruder for 3D printing equipment, comprising a base and a motor with a control switch. A water storage tank, a gas storage tank and a feeding syringe are fixedly connected to the base. A first rotating shaft and a second rotating shaft
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An Apparatus and Process for the Production of Polymethyl Methacrylate
The invention discloses a polymethyl methacrylate production device, comprising a tower reactor, a condenser and a reflux tank. The side inlets of the tower reactor include three feed ports arranged at intervals from top to bottom, each connected to an additive feeding pipeline. The gas phase inlet of the condenser is connected to the gas
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A High-Flowability Injection-Moldable and Sinterable Nickel-Zinc Ferrite Granular Material, and a Method for Preparing the Same
The invention discloses a high-fluidity injection-molded sintered nickel-zinc ferrite granular material and a preparation method thereof. A hydrolyzable coupling agent KH550 is added to a soluble composite wax, and the coupling agent is dispersed in the wax while hydrolyzing. The hydrolysis and drying processes of coupling agent KH560 are precisely controlled, so that KH560 is
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A Rubber Vibration-Damping Structure for Railway Tracks and the Corresponding Rubber Material
A rubber damping structure for railway tracks comprises a cement base, a sleeper prefabricated component arranged above the cement base, and a rubber damping pad arranged between them. The rubber damping pad comprises, from top to bottom, a trapezoidal rubber balance buffer layer, a first fiber support net, a first pressure-bearing rigid damping core rubber
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A Method for Preparing Halogenated EPDM/PP Rubber-Plastic Blends; Dynamically Vulcanized Thermoplastic Elastomers, and Methods for Their Preparation and Application
The invention relates to the field of thermoplastic elastomer materials, and discloses a preparation method of a halogenated EPDM/PP rubber-plastic blend, a dynamically vulcanized thermoplastic elastomer, and a preparation method and application thereof. The preparation method of the halogenated EPDM/PP blend comprises halogenating EPDM while blending EPDM and PP. The invention grafts halogen onto the
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