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Method for cleaning the hot end of a fused deposition modeling 3D printer
A method for cleaning the hot end of a fused deposition modeling 3D printer. The method includes: after printing with a first printing material at a first operating temperature of the hot end, setting the hot end to a second operating temperature, wherein the second operating temperature is equal to or higher than the first
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A composition with good dielectric properties suitable for the electrical field and its preparation method
The invention discloses a composition with excellent dielectric properties suitable for the electrical field, which is prepared by the following steps: 1) Adding butadiene, acrylonitrile, an initiator, a first emulsifier and deionized water into a reaction kettle for polymerization to obtain nitrile rubber latex; 2) Adding Compound A and performing ultrasonic dispersion; 3) Preparing an
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A method for preparing a targeted long-circulating nanomedicine carrier for photothermal synergistic chemotherapy
The invention relates to a preparation method of targeted long-circulating nano drug carriers for photothermal synergistic chemotherapy. The preparation method comprises the following steps: preparing mesoporous silica; coating mesoporous silica with polydopamine; loading anti-cancer drugs; modifying erythrocyte membranes with biotin; wrapping the drug-loaded mesoporous silica with biotin-modified erythrocyte membranes. The present invention realizes local photothermal/chemotherapy
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Long-chain polyamide resin composition and continuous fiber-reinforced long-chain polyamide composite material
The invention discloses a long carbon chain polyamide resin composition and a continuous fiber reinforced long carbon chain polyamide composite material. The long carbon chain polyamide resin composition comprises the following components in parts by weight: 81.8–99.8 parts of long carbon chain bio-based polyamide 5X resin, 0.2–1.6 parts of antioxidant, 0–0.8 parts of lubricant, 0–15
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A core-sheath filament containing diene-based rubber and its printing method
The invention provides core-sheath filaments. The core-sheath filaments have a core composed of diene-based rubber crosslinked by multifunctional acrylate, thereby forming an adhesive with excellent high-temperature performance. The adhesive composition exhibits outstanding durability against oxygen and moisture, low and stable dielectric properties, and superior high-temperature resistance. The invention also provides a preparation method of the
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Lightweight antistatic foam pump and its material production process
The invention relates to a lightweight anti-static foam pump and its material production process, designed to solve the technical defects of unreasonable internal space layout, absence of dual piston and connecting seat structure in existing similar products. The key structure is as follows: the internal piston of the foam pump includes a large piston and
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