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Low-thermal-conductivity and high-temperature-resistant silicon oxide aerogel heat insulation felt and preparation method thereof
ActiveCN119569418AImprove thermal conductivityImprove temperature resistanceSilicon oxideHot Temperature
The invention discloses a low-thermal-conductivity and high-temperature-resistant silicon oxide aerogel heat insulation felt and a preparation method thereof, and the prepared silicon oxide aerogel felt has the characteristics of temperature resistance of 1100 DEG C, good flexibility, excellent high-temperature heat insulation performance and convenience in construction, and has wide application prospects in the fields of aerospace, industrial kilns and the like.
Owner:CHANGSHA RONGLAN MACHINERY
Terahertz-frequency-band high-dielectric low-loss composite material and preparation method thereof
The invention belongs to the technical field of high-dielectric composite materials, and provides a terahertz-band high-dielectric low-loss composite material and a preparation method thereof.The composite material comprises a first composite master batch material; the raw materials of the first composite master batch material comprise a modified first filler, a modified first insulating material and a non-polar polymer; a second composite master batch material; the raw materials of the second composite master batch material comprise a modified second filler, a modified second insulating material and a non-polar polymer; and a non-polar polymer matrix; wherein the surface of the modified first filler is grafted with a polystyrene monomer; the surface of the modified second filler is grafted with an epoxy functional group; grafting a silica group and an amino group on the surface of the modified first insulating material; the surface of the modified second insulating material is grafted with an epoxy functional group and an amino group; by adopting the multi-particle-size modified high-dielectric-constant filler and combining with the modified insulating filler, the problem that an existing terahertz-band high-dielectric composite material is difficult to have low loss at the same time can be solved.
Owner:SICHUAN UNIV
A down feather microorganism content measuring device and method
Owner:SHANGHAI GAOFAN TECHNOLOGY CO LTD
Quantitative feeding device for hot pot condiment
ActiveCN224422745Uimprove product qualityachieve dispersion effectProcess engineeringIndustrial engineering
The utility model discloses a hot pot material ration feedway, its technical scheme includes: the stirring box and batching box, the stirring box outer surface installs the support frame, the support frame top installs the fixing frame, the fixing frame top installs the batching box, the support frame top middle installation has the fixed base, the fixed base top is installed with the weighing seat through the weight sensor, the weighing seat top is installed with the sliding block through the chute, the sliding block top is installed with the movable shaft through the connecting plate, the movable shaft outer surface is installed with the turnover box through the turnover frame, the support frame one side middle installation has the electric telescopic ware. A kind of hot pot material ration feedway has solved the problem that the feed mechanism of existing hot pot material cannot accurately weigh when feeding, the accuracy of hot pot material batching is poor, which affects the production quality of hot pot material, improves the accuracy of hot pot material batching, thereby improves the production quality of hot pot material.
Owner:GUIZHOU CHITIANXIA FOOD CO LTD
High voltage resistant dispersion polymer, conductive paste dispersion polymer, conductive paste and electrode paste, and methods of making same
ActiveCN117003934BImprove flexibilityImprove adsorption capacityCell electrodesConductive pastePolymer science
The application discloses a high-voltage-resistant dispersion polymer, conductive paste dispersion polymer, conductive paste and electrode paste and a preparation method thereof. The high-voltage-resistant dispersion polymer comprises at least two components, including an A component as an anchor point and an alkane B component for reducing the rigidity of the polymer; the energy level difference between the HOMO energy level and the LUMO energy level of the A component is not less than 0.1, the energy level difference between the HOMO energy level and the LUMO energy level of the B component is not less than 0.2, and the molecular weight of the B component is 120-200. The A component is used for enhancing the combination function of the dispersion polymer and CNT; the B component reduces the rigidity of the dispersion polymer and is better dissolved in a solvent. The energy levels of the A component and the B component are controlled, the CNT can exist under the premise of the acting force, and the dispersion polymer can also be dissolved in the solvent of the conductive paste. The battery prepared by using the carbon nanotube conductive paste containing the dispersion polymer has excellent high-voltage resistance and electrical cycle performance.
Owner:JIANGSU CNANO TECHNOLOGY CO LTD