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Composition for preparing polyglycolic acid material, polyglycolic acid material as well as preparation method and application thereof
The invention relates to the technical field of polymer materials, and specifically discloses a composition for preparing polyglycolic acid material, a polyglycolic acid material as well as a preparation method and application thereof. The composition includes polyglycolic acid, an initiator and a crosslinking agent. Based on 100 parts by weight of polyglycolic acid, the dosage
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High-performance processing technology and equipment for polymer disentanglement via supercritical fluid micro-explosion
The invention discloses a high-performance processing technology and equipment for polymer disentanglement through supercritical fluid micro-explosion. Supercritical fluid penetrates into molecular chain clusters to realize micro-explosion and disentanglement of single molecular chains while orienting the chain segments. Through kneading and exhausting simultaneously, the orientation effect formed by micro-explosion is maintained, secondary orientation is completed, and
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Equipment capable of simultaneous double-sided flocking of rubber seals
The invention discloses equipment capable of realizing simultaneous double-sided flocking of rubber seals, comprising an extruder. An extrusion die is installed at one end of the extruder, extrusion holes are formed on one side of the extrusion die, and sealing strips are arranged inside the extrusion holes. A mounting frame is fixed at one end
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Non-pneumatic tire with wave-shaped extended periodic structure and its processing method
The invention discloses a non-pneumatic tire with wave-shaped extended periodic structure and its processing method, belonging to the technical field of non-pneumatic tires. The non-pneumatic tire is manufactured from tire strips extruded by a screw extruder, and the tire strips include crown, belly and sidewall parts. The belly grooves of the tire strips are aligned
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Sealing device with high surface roughness
The invention relates to a sealing device including a functional layer with a first main surface and a second main surface, and a barrier layer directly or indirectly connected to the second main surface of the functional layer. The functional layer has specific surface roughness characterized by a waviness factor Wf. The invention also relates
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Method for preparing high-performance lead-acid battery housings from recycled materials
The invention belongs to the technical field of polymer materials, and specifically relates to a method for preparing high-performance lead-acid battery shells by using recycled materials. The preparation method comprises adding fibrous crystals and compatibilizers into collected waste shell materials, mixing the raw materials thoroughly, feeding the mixture into an extruder for melting and blending,
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