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A production system and method for cylindrical peanut fiber protein
The production system and method of cylindrical peanut textured protein disclosed by the invention belong to the field of food technology. The production system comprises a mixing device, a conveying and feeding device, an extrusion device and a drying and cooling device arranged in sequence. The mixing device comprises a longitudinal barrel-shaped mixing barrel with…
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Twin-screw assembly and processing technology for melt modification of polyvinyl alcohol materials
The invention relates to the technical field of polymer material processing, in particular to a twin-screw configuration and processing technology for melt modification processing of polyvinyl alcohol (PVA) materials. According to the rheological characteristics of PVA materials, the invention defines the length proportion of each functional section in the screw and the model of screw…
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High-shrinkage novel polyester fiber and its preparation method
The invention discloses a novel high-shrinkage polyester fiber and a preparation method thereof. The novel high-shrinkage polyester fiber is obtained by esterification, polymerization and spinning of 2-methyl-1,3-propanediol monomers and dicarboxylic acid monomers. The glass transition temperature of the fiber is 40–60℃, and it has a shrinkage rate of more than 60% in hot water above…
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A non-solidified flexible organic plugging material and its preparation method
The invention provides a non-setting flexible organic sealing compound and a preparation method thereof. The compound is mainly prepared by taking organic polymer rubber as a matrix, adding reinforcing fillers, refractory fillers, modified chemical flame retardants, optional intumescent flame retardants, anti-cracking agents, plasticizers, optional structure control agents, anti-aging agents and pigments. The product meets the…
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Screw element with an axially asymmetric screw profile, the profile having at least two construction points located within the screw profile
The present invention relates to a screw element having an axially asymmetric screw cross-sectional profile with at least two configuration points located within the screw cross-sectional profile. The screw element according to the present invention is suitable for use in an extruder with two drive shafts rotating in the same direction and at the same…
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A galantamine bis(hydroxynaphthyl) sustained-release microparticle for injection and its preparation method
The present invention discloses sustained-release microspheres of galantamine embonate for injection and a preparation method thereof. The microspheres comprise galantamine embonate, a lactide-glycolide copolymer, and a weakly alkaline additive, and are prepared by a hot-melt extrusion combined with low-temperature pulverization technology. Compared with the prior art, the microspheres prepared by the present invention have low…
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