Plastic Processing

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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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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The invention relates to an extruder for preparing fusible polymers by tackifying modification. An extruder screw with at least one helical screw thread (31, 32, 33, 34, 35) is installed inside a shell with inner shell grooves. The outer diameter of the extruder screw is divided into a starting diameter section, a central diameter section

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The invention discloses a structure and production process of frosted profiles with embedded aluminum cores, relating to the technical field of profile doors and windows. The structure includes door and window frames, with door and window stiles attached to the top of the frames. Glass mouldings are clamped on the outer sides of the stiles,

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The invention proposes an acotiamide solid dispersion and its composition, belonging to the technical field of pharmaceutical technology. The acotiamide solid dispersion contains acotiamide or its salt, carrier materials such as aminoalkyl methacrylate copolymer, methacrylic acid copolymer, methacrylic acid-ethyl acrylate copolymer, and optionally a plasticizer. The solid dispersion of the invention can effectively mask the

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The invention relates to a rotary mechanical vacuum bottle and its material preparation method, designed to solve the technical problems of residual liquid accumulation, uncontrollable liquid output and difficulty in manufacturing ultraviolet-resistant and pressure-resistant components in existing products. The outer bottle of the vacuum bottle is provided with a bottom cover at the bottom, an

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