7results about How to "Performance is easy to control" patented technology

The invention relates to the technical field of firework cylinders, in particular to a firework mold pressing cylinder based on cassava flour pregelatinization and a preparation method thereof, and the mold pressing cylinder is prepared from the following raw materials in parts by weight: a framework material compounded by crystal transformation method II type anhydrous gypsum and calcium carbonate stone powder, pregelatinized cassava flour, wood fibers, stearic acid and a proper amount of water. The tapioca flour is pre-gelatinized by warm water at 40-60 DEG C, and the pre-gelatinization degree is greater than or equal to 80 The crystal transformation method II type anhydrous gypsum is prepared from ardealite through a low-temperature crystal transformation method. The preparation method comprises the following steps: pre-gelatinizing the tapioca flour, pulping, mixing with other dry blends and hot water, and finally carrying out high-temperature compression molding. Through the synergistic effect of the pre-gelatinized tapioca flour and the crystal transformation method gypsum, the dry basis dosage of the tapioca flour is remarkably reduced, meanwhile, the compressive strength and the falling resistance of the mold pressing barrel are greatly improved, the multiple purposes of reducing the cost, improving the performance and absorbing industrial solid waste phosphogypsum are achieved, the product quality is stable, and the mold pressing barrel is suitable for industrial production.

The application provides a multi-stimulus response shape memory polyurethane composite material and application thereof. The composite material comprises a shape memory polyurethane material and a nano-functional filler, and the nano-functional filler is uniformly embedded in the shape memory polyurethane material. The provided composite material can realize multi-stimulus response and has excellent performance.

The invention provides a heterogeneous hardware platform-oriented automatic AI algorithm model deployment method. The method comprises the following steps of: obtaining a to-be-deployed AI algorithm model and a heterogeneous hardware platform; creating an AI algorithm model deployment task, and setting model adaptation task parameters; constructing a model lightweight algorithm library and a rule constraint engine, and establishing an exception handling mechanism; performing model lightweight and unified representation based on a rule constraint engine and an exception handling mechanism to form a recommended AI algorithm model; matching the recommended AI algorithm model with a heterogeneous hardware platform; and performing performance evaluation based on a heterogeneous hardware platform test environment. According to the automatic AI algorithm model deployment method oriented to the heterogeneous hardware platform, an AI algorithm automatic deployment process is designed and a rule constraint engine and an exception handling mechanism are constructed based on quantization, pruning, distillation and other model optimization algorithms, automatic model efficient deployment of the model is realized, and meanwhile, the performance of the deployed model is prevented from being greatly reduced.

The application discloses a film material for laser transfer printing, and belongs to the technical field of laser transfer printing, which comprises a slurry transfer printing layer and a laser transmission layer which are bonded by an adhesive layer. The slurry transfer printing layer is provided as a multilayer structure including a surface layer, an intermediate layer and a bottom layer. The material composition, mixing ratio and thickness of each structure layer are further optimized, and the corresponding additives in the surface layer and the intermediate layer are added, so that the film material suitable for laser transfer printing is finally obtained. The film material for laser transfer printing has simple structure and reliable performance, can effectively meet the application in the laser transfer printing process, ensure the setting and use reliability of the film material in the pattern processing process, the slurry filling process and the slurry laser transfer printing process, improve the efficiency and precision of the slurry laser transfer printing, prolong the service life of the film material when used as a transfer film, and has good practical value.

This invention discloses a phosphorus-containing multi-arm hyperbranched resin, its preparation, and its application as an intrinsically flame-retardant multifunctional adhesive. The phosphorus-containing multi-arm hyperbranched resin is prepared by a method comprising the following steps: Step 1, using an α-diimide palladium catalyst to catalyze the polymerization of ethylene and 2-(2-bromoisobutyryloxy)ethyl acrylate to obtain a bromo-based multi-arm hyperbranched resin; Step 2, polymerizing the bromo-based multi-arm hyperbranched resin with glycidyl methacrylate to obtain an epoxy-based multi-arm hyperbranched resin; Step 3, subjecting the epoxy-based multi-arm hyperbranched resin to a ring-opening reaction with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide to obtain a phosphorus-containing multi-arm hyperbranched resin. This invention provides the application of this phosphorus-containing multi-arm hyperbranched resin as an intrinsically flame-retardant multifunctional adhesive, possessing both excellent bonding and flame-retardant properties, and offering advantages such as low cost, controllable performance, simple process, and suitability for large-scale production and application.

The present application relates to a kind of rare earth complex light stabilizer and its preparation method and use, the rare earth complex light stabilizer includes [Ce (triRNTB) 2]X3 And / or RE (BP) 3, the rare earth complex light stabilizer includes 40-100 parts by weight of [Ce (triRNTB) 2]X3 And 0-60 parts by weight of RE (BP) 3.The present application uses the rare earth complex as new functional additive is introduced into organic fluorescent dye light conversion system.By constructing "light conversion-stable" dual functional composite system, both can solve the light stability bottleneck of small molecule dye, also can realize light conversion efficiency compensation using the light-induced luminescence enhancement effect of complex.The strategy provides innovative material design ideas for developing long life, high stability blue light conversion film, and has important practical significance for promoting the technology upgrading of light conversion material.

The invention relates to the field of biological medicines, and particularly relates to a composition for magnetic ultrasound contrast agent, a magnetic ultrasound contrast agent, a magnetic microbubble ultrasound contrast agent, and a preparation method thereof. The composition for magnetic ultrasound contrast agent includes a lipid, a surfactant and a magnetic nanoparticle; the surfactant consists of a surfactant A and a surfactant B, the surfactant A is in a free state, and the surfactant B is in a bonding state and is modified on the surface of the magnetic nanoparticle; the HLB value of the surfactant A is greater than 8. The magnetic microbubble ultrasound contrast agent obtained from the composition for magnetic ultrasound contrast agent has higher stability and may meet requirements for in vivo cyclic targeted delivery, thereby achieving the local high-concentration targeted delivery of a medication.