Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
67results about How to "Appropriate elasticity" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Cement-emulsified asphalt mortar for slab tracks in severe cold areas
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2
Root canal filling point
InactiveUS6024569AEasy-to-use and physicochemically stableLow antigenicityTeeth fillingTeeth cappingCopolymerEthylene
A new root canal filling point which is physicochemically stable, is not toxic to periapical tissue, can be sterilized and x-rayed; and has high elasticity and fracture resistance which enables the root canal filling point to be pressure-inserted into an even narrow or curved root canal. The root canal filling point is made of a copolymer consisting of propylene and ethylene, and a contrast medium.
Owner:AYTEC JAPAN CORP
Cut-off wall slurry material and wall building technique
InactiveCN101130993AGuaranteed flexibilityGood anti-seepageArtificial islandsSolid waste managementCross-linkSodium Bentonite
The present invention discloses one kind of water tight wall grout material and the wall building process therewith. The wall grout material includes wall protecting slurry comprising bentonite or clay, sodium carbonate, selective flocculant, water loss lowering assistant and water; and curing original mortar comprising Portland cement, sand, fly ash, water glass, water reducing agent, cross-linking agent and water. The water tight wall building process includes the following steps: pouring wall protecting slurry into dug water tight wall slot, adding curing original mortar gradually into the slurry for mixing with wall protecting slurry during digging operation, and adding more water glass in the last stage for curing to form water tight wall. The water tight wall has excellent water tight performance, controllable solidification time, low cost and no pollution.
Owner:CHANGZHOU INST OF TECH
Hydrogel thin film containing extracellular matrix components
InactiveUS20020086423A1Appropriate elasticityEasy to handleSurgeryCell culture supports/coatingVitrificationCell-Extracellular Matrix
The thin film of the invention comprises a hydrate of a vitrified gel containing an extracellular matrix components, which can be integrated with a retainer as required. A hydrogel thin film containing an extracellular matrix components such as thin-film collagen hydrogel thin film, which is useful for a cell culture substratum and for preventing organ adhesion, can be easily prepared, and is excellent in expediency.
Owner:TAKEZAWA TOSHIAKI +1
Composite biomaterial and preparation method and application thereof
InactiveCN101596328AStrong mechanical propertiesStrong bone conductionStentsProsthesisChemistryCartilage tissue engineering
The invention relates to a composite biomaterial containing cross-linked hyaluronic acid derivative and hydroxylapatite and a preparation method thereof. The composite biomaterial is characterized by containing the cross-linked hyaluronic acid derivative and the hydroxylapatite. The composite biomaterial can be obtained by uniformly mixing hyaluronic acid or soluble salt of the hyaluronic acid with the hydroxylapatite and then carrying out the cross-linked reaction, or can be obtained by firstly preparing the cross-linked hyaluronic acid derivative and then uniformly mixing the cross-linked hyaluronic acid derivative with the hydroxylapatite. The composite biomaterial has good biological compatibility, has suitable rate of biodegradation, mechanical property, pore diameter and porosity, and can be used as the cytoskeleton to be applied to bone or cartilage tissue engineering.
Owner:INST OF BIOPHARM OF SHANDONG PROVINCE
Antibacterial supermolecule hybrid hydrogel, preparation method and applications thereof
ActiveCN106146862AGood biocompatibilityEasy to degradeAbsorbent padsBandagesEngineeringAnti bacterial
The present invention provides a supermolecule hybrid hydrogel having excellent antibacterial property, a preparation method and applications thereof. The preparation method comprises that Fmoc-Glu-OMe adopted as a gelatin factor, silver nitrate and chitosan are subjected to co-assembly under an ultrasound effect to form a clarified and transparent supermolecule hybrid hydrogel, wherein the uniform size and monodispersed silver nanoparticles are subjected to in situ synthesis in the hydrogel, and the antibacterial property of the supermolecule hybrid hydrogel is substantially improved with the synergistic effect of the three components such as the Fmoc-Glu-OMe, the silver nanoparticles and the chitosan. According to the present invention, the supermolecule hybrid hydrogel has performances such as self-healing, injectability, capability of coating, and the like; the preparation method is simple, has the low cost, and can be commercialized; during the preparation process, any reducing agents and any dispersants are not added, and the silver nanoparticles are synthesized through the ultrasonic in situ synthesis, such that the green environment protection advantage is achieved; and various components of the supermolecule hybrid hydrogel provide the synergistic effect to make the antibacterial property of the composite material be significantly increased, such that the supermolecule hybrid hydrogel has wide application prospects in the field of the antibacterial material and the wound healing promotion.
Owner:CENT SOUTH UNIV
Sealed sampling bottle
ActiveCN102478463ASuitable material hardnessAppropriate elasticityWithdrawing sample devicesPreparing sample for investigationAnalysis dataEngineering
The invention discloses a sealed sampling bottle. The sampling bottle which comprises a bottle body (1) and a bottle cover (2) is characterized in that there are a threaded connection and a seal between the bottle body (1) and the bottle cover (2); the bottle cover (2) is provided with sampling ports (4) which are respectively provided with a sealing cover (3), and each of the sampling ports (4) has a threaded connection with one sealing cover (3); and the sealing cover (3) of each of the sampling ports (4) is provided with a through hole, and a sealing gasket is arranged between one sampling port (4) and one sealing cover (3) to seal. By adopting the sampling bottle of the invention to preserve gases, liquids and solids, the sealing effect is good, so the adoption of a unified preservation mode of different detection projects of a same sample is realized, intermediate links from an acquisition phase to a detection phase of the sample are shortened, and the reliability and the validity of analysis data are practically improved.
Owner:CHINA PETROLEUM & CHEM CORP +1
Charging member, process cartridge and electrophotographic apparatus
ActiveUS20120141159A1Improve wear resistanceAppropriate elasticityElectrographic process apparatusCorona dischargeEngineeringMechanical engineering
A charging member is provided with a surface layer that can not easily wear even due to its contact with a photosensitive member and also has an appropriate elasticity contributing to the formation of an appropriate nip between it and the photosensitive member. The charging member has a substrate, an elastic layer and a surface layer; the surface layer containing a high-molecular compound having an Si—O—Hf linkage and having a constitutional unit represented by the formula (1) and a constitutional unit represented by the formula (2):
Owner:CANON KK
Composite hydrogel for promoting bone repair and preparation method and application of composite hydrogel
PendingCN111569148AImprove mechanical propertiesImprove adhesionTissue regenerationProsthesisPharmaceutical SubstancesBiology
The invention discloses a composite hydrogel for promoting bone repair. The composite hydrogel is prepared from the following components; methacrylic acid modified gelatin and dopamine modified sodiumalginate. In the composite hydrogel, the content of the methacrylic acid modified gelatin is 8-12% w / v, and the content of the dopamine modified sodium alginate is 0.5% w / v-2% w / v. A molecular structure of the dopamine modified sodium alginate contains a catechol structure, and the adhesion property is excellent. The composite hydrogel uses the methacrylic acid modified gelatin as a substrate ofthe hydrogel, and the mechanical properties and adhesion properties of the hydrogel are improved by incorporating the dopamine modified sodium alginate, so that the viscosity is excellent, the softness degree and elasticity are suitable, and the composite hydrogel is suitable for bone repair treatment. The results of in vitro experiments show that the composite hydrogel can load and slowly releasebiologically active factors and / or drugs that promote bone repair, good repair effect can be presented in bone defect models, and the healing of bone defect wounds can be significantly promoted.
Owner:ZHEJIANG MEDICAL COLLEGE
Processing technique and device of antique relief wood door and furniture
InactiveCN101396840AIncrease productivityStrong three-dimensional sense of wood grainWood working apparatusSolid woodVolumetric Mass Density
The invention discloses a processing technique of antique relief sculpture wood doors and furniture and equipment thereof. In the invention, planking stuff with wood grain is fed into drawing equipment, the wood grains in the planking stuff project above the surface of the planking stuff under the action of a wire brush body, thus forming solid rugged surfaces; the planking stuff processed is fed into a smoke room and natural coloration is carried out on the planking stuff with smoking materials in the smoke room. The mechanical drawing equipment adopted by the invention improves the productivity efficiency of the planking stuff and reduces the labor intensity. In a processing method of the invention, the wood grains of the planking stuff have strong tree-dimensional perception; the surface of the planking stuff is smooth and clean. In the step of natural coloration of the planking stuff, natural smoking materials are adopted and coloration is uniform, the color is simple and unsophisticated, natural and colourfast. Besides, the working process has no pollution and is a natural and environmentally friendly coloration method. The drawing equipment in the invention adopts the wire brush body and is provided with suited density and elasticity, and the surface of the planking stuff takes on uniform, smooth and clean, natural and solid wood grains. A shot-proof device has simple structure and good security.
Owner:于臣
Biomembrane material strip belt for high-myopia posterior scleral reinforcement surgery and manufacture method thereof
The invention relates to an ophthalmic medical appliance and a manufacture method of the ophthalmic medical appliance, in particularly to a biomembrane material strip belt for a high-myopia posterior scleral reinforcement surgery. Base materials of the biomembrane material strip belt have a wide resource, the biomembrane material strip belt is blue after the treatment, the manufactured blue biomembrane material strip belt has good visuality and cannot easily get lost in the implantation process; the hardness and the elasticity are proper, the adaptability is good, the implantation is easy, and the biomembrane material strip belt is easily pasted, sewed and fixed with a receptor sclera; after the implantation into the human body, the toxicity is low, the mechanical strength is high, the tissue compatibility is good, the degradation resistance capability is high, and the calcification is not easy to occur; and the whole body of the biomembrane material strip belt is in a fusiform shape, the thickness is 0.15 to 0.45mm, the side part is an inclined surface, the middle section is widest, the middle section is gradually narrowed in arc-shaped transition respectively towards the left end and the right end, the length is 30 to 60mm, the width of the middle section is 10 to 16mm, the width of the left and the right end is 2 to 3mm, through the special shape design of the strip belt, the venae vorticosae can be prevented from being pressed, the reinforcement range is enlarged, the inclined surface of the side part is in 30 to 45 degrees, the marking at the positive surface and the opposite surface is realized, and the twisting turning is not easy to cause during the implantation.
Owner:BEIJING XINKANGCHEN MEDICAL SCI & TECH DEV
Backsack peanut picking combine
InactiveCN103039179AImprove integrityImprove picking efficiencyDigger harvestersThreshersAgricultural engineeringStructural engineering
A backsack peanut picking combine comprises a power device, a picking and conveying device, a fruit picking and cleaning device and a fruit lifting and collecting device. The picking and conveying device comprises a picking device, a picking bottom plate and a conveying chain I, the picking device is a spring tooth picking device and comprises a supporting plate and an elastic pointing rod fixed on the supporting plate, the fruit picking and cleaning device sequentially comprises a fruit picking auger, a concave grid and a vibrating screen from top to bottom, the fruit picking auger comprises an auger shaft, spiral stirring rods and auger coupling rods, the spiral stirring rods are fixedly connected with the auger shaft through the auger coupling rods, the number of the auger coupling rods is even, and the auger coupling rods are symmetrically and evenly arranged with a midpoint of the auger shaft as the center. The number of the spiral stirring rods is even, and the auger coupling shaft rods at two ends of each group of the spiral stirring rods are symmetrically and evenly arranged with the midpoint of the auger shaft as the center. The backsack peanut picking combine achieves integrity of peanuts to the greatest extent and effectively solves the problem that fruit and seedling separation is not thorough and cleaning is bad.
Owner:QINGDAO AGRI UNIV
OCA optical glue film, and manufacturing method thereof
PendingCN107245304AGood fillingReduce curing difficultyFilm/foil adhesivesFlat articlesShoreEngineering
The invention belongs to the field of glue material, and especially relates to an OCA optical glue film, and a manufacturing method thereof. The OCA optical glue film comprises a first release film layer, a soft glue layer, a first hard glue layer, and a second release film layer which are contacted successively, or comprises a first release film layer, a second hard glue layer, a soft glue layer, a first hard glue layer, and a second release film layer which are contacted successively; the shore hardness of the soft glue layer ranges from 5 to 50A, and the thickness ranges from 50 to 200<mu>m; the shore hardness of the first hard glue layer and the second hard glue layer ranges from 15 to 50D, and the thickness ranges from 50 to 150<mu>m. according to the manufacturing method, the OCA optical glue film is provided with a multi-layer structure with different hardness, so that the OCA optical glue film is provided with appropriate hardness and elasticity, and excellent fillibility. The OCA optical glue film possesses the multi-layer structure, and all the glue layers are relatively thin, so that solidification difficulty of the glue layers in glue layer production is reduced.
Owner:NALI OPTICAL MATERIAL DONGGUAN
Concrete ultrasonic detector for building engineering quality supervision
InactiveCN109781857AEasy to openAvoid damageAnalysing solids using sonic/ultrasonic/infrasonic wavesArchitectural engineeringEngineering
The invention relates to the technical field of ultrasonic detectors and discloses a concrete ultrasonic detector for building engineering quality supervision. The detector comprises a machine body. The top of the body is slidably connected with a top cover through a connecting shaft; Protective pads are installed around the outsides of the body and the top cover. Transparent glass is fixedly connected inside the top cover. The bottom of the front side of the connecting shaft is provided with a vertical groove and the inside of the vertical groove is provided with a limiting device, and the bottom of the limiting device is fixedly connected with a pulling cap. According to the concrete ultrasonic detector, on the basis of clamping of the limiting device and the display screen, the concreteultrasonic detector is opened by using the pulling cap; and the protective pads are installed around the outsides of the body and the top cover and have suitable thickness and elasticity to prevent damages to the concrete ultrasonic detector for quality supervision of the construction project, and the protection effect of the detector in application is improved.
Owner:罗建忠
High molecular elastic ventilated pillow inner and preparation method thereof
The invention discloses a high molecular elastic ventilated pillow inner which is formed into a prolate fixed shape by a plurality of fibers extruded by high molecular materials through melting per se. The inside of the pillow inner is of a space reticulate structure. The high molecular materials are LDPE (Low-Density Polyethylene), HDPE (High-Density Polyethylene), LLDPE (Linear low density polyethylene), EVA (Ethylene-Vinyl Acetate copolymer), PP (Propane Polymer), PE (Poly Ethylene) and the like. The high molecular elastic ventilated pillow inner is of a three-dimensional elastic structure formed by high molecule polymerization, and the thousands of curly fibers provide excellent elasticity. Because the elasticity comes from the molecular materials per se, long-lasting elasticity is available (the elasticity is proven by 250,000 compression tests); and because the high molecular elastic ventilated pillow inner is formed by melting per se and is not adhered by using gluewater, the high molecular elastic ventilated pillow inner has favorable soundness of tension and fatigue resistance; because the inside of the pillow inner is of the space reticulate structure, the high molecular elastic ventilated pillow inner has favorable air permeability. The invention also discloses a preparation method of the pillow inner.
Owner:庄晓亮
End-capped modified polyethylene glycol cross-linking agent having ultraviolet light response function, preparation method and hydrogel dressing containing cross-linking agent and preparation method thereof
The invention belongs to the technical field of biomedical dressings and relates to an end-capped modified polyethylene glycol cross-linking agent having an ultraviolet light response function, a preparation method and a hydrogel dressing containing the cross-linking agent and a preparation method thereof. The technical problem is solved that wound pain and secondary wounds care caused by when anexisting hydrogel dressing is removed for secondary wound treatment. The modified polyethylene glycol cross-linking agent having the ultraviolet light response function is formed by adopting an injectable in-site gel forming mode, and the gel forming mode has very good adaptability to wound shapes and meanwhile has better fitting property compared with a blocky dressing to be gelled without auxiliary fixing materials. When wounds need to be further treated, regional selective irradiation can be performed through 10 mw / cm<2> ultraviolet light of 365 nm, gel softening and degradation are achieved. Compared with other dressings, the function can prevent wound pain during gel removal and prevent newly growing tissues from being physically harmed to cause secondary wounds.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Wasteyard impermeable material based on polyvinyl alcohol- aluminum chloride combined modification and preparation method thereof
The invention discloses a wasteyard impermeable material based on polyvinyl alcohol-aluminum chloride combined modification and a preparation method thereof and belongs to the field of underground construction for domestic refuse disposal and pollution prevention and control. The impermeable material provided by the invention is prepared from ordinary Portland cement, bentonite, coal ash, polyvinyl alcohol, aluminum chloride, polycarboxylic acid high-performance water reducer and sodium carbonate, wherein polyvinyl alcohol and aluminum chloride are used for jointly modifying bentonite. The prepared impermeable material is characterized by stone rate above 99.9%, induration 28d permeability coefficient of 0.86*10<-8>-7.7*10<-10>cm / s and unconfined compressive strength of 0.43-1.65MPa; the retardant rate of the solid pulp to CODCr, BOD5, NH4-N, TP and SS is 96% or above and the retardant rate to heavy metal ions, such as, Hg and Pb, is 99.95% or above; the pulp stone has ultrahigh enduring stability and is capable of guaranteeing the impermeable separating wall without crack or invalidation within designed working life; the impermeable pulp provided by the invention is low in cost, is nontoxic and environment-friendly, is high in controllability for setting time and is convenient for construction site preparation and use.
Owner:JIANGSU JIANYUAN CONSTR CO LTD
Preparation process of kiwi fruit slices
PendingCN112715883AAppropriate viscosityAppropriate elasticityFood freezingFood dryingBiotechnologyFreeze-drying
The invention relates to the technical field of food processing, in particular to a preparation process of kiwi fruit slices, which comprises the following steps: 1) pretreatment; 2) color protection rinsing; 3) sugaring, namely sugaring the kiwi fruit slices; after sugaring treatment is completed, carrying out cleaning with clear water and draining off; 4) vacuum microwave drying: putting the kiwi fruit slices into a vacuum microwave dryer, controlling the microwave emission power to be 5-7W / g and the vacuum degree to be 80-90KPa during drying, and performing drying until the moisture content of the kiwi fruit slices is 35-50%; 5) vacuum freeze drying: putting the kiwi fruit slices into a vacuum freeze dryer, and drying the kiwi fruit slices under the condition that the vacuum degree is 40-50Pa until the moisture content is 3-5%; and 6) packaging and storing: performing nitrogen-filled sealed packaging on the dried kiwi fruit slices. The retention rate of polyphenol in the kiwi fruit slices prepared by the method is 88%, and the bioavailability of polyphenol is up to 37%; the retention rate of carotenoid is 86%, and the bioavailability of carotenoid is as high as 62%, which are far superior to those of the product obtained by the traditional common processing method.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
Rubber composition and golf ball employing the same
A rubber composition which has excellent suitability for roll processing while retaining hardness and high impact resilience and is suitable for use in golf balls. The rubber composition is characterized by comprising: a base polymer comprising (A) 20-99 parts by weight of high-cis polybutadiene which has been synthesized with a cobalt catalyst and has a Mooney viscosity of 50-70 and a molecular weight distribution (weight-average molecular weight (Mw) / number-average molecular weight (Mn)) of 2.5-3.8 and (B) 80-1 part by weight of high-cis polybutadiene having a Mooney viscosity of 30-70 synthesized with a catalyst which is not a cobalt catalyst; and a cocrosslinking agent incorporated in the base polymer.
Owner:UBE IND LTD
Rhein/chitosan hydrogel as well as preparation method and application thereof
ActiveCN106667986AHigh mechanical strengthRetain biological activityOrganic active ingredientsNervous disorderDiseaseSolubility
The invention discloses rhein / chitosan hydrogel as well as a preparation method and an application thereof. The rhein / chitosan hydrogel comprises a rhein solution and a chitosan solution, wherein the rhein solution comprises rhein and a NaHCO3 solution. The preparation method comprises the following steps: the rhein is dissolved in the NaHCO3 solution, and the rhein solution is obtained; the rhein solution is added to the chitosan solution with stirring under an ice bath condition, ultrasonic degassing is performed with the ultrasonic power being 70-120 W, then the solution is heated at the temperature of 32 DEG C or higher for 1-5 min, and the rhein / chitosan hydrogel is obtained. The rhein / chitosan hydrogel has the characteristics of being anti-inflammatory, antimicrobial, anti-tumor and the like, can solve the problems of poor solubility and short half-life of the rhein, retains biological activity of the rhein, is applied to drugs for treating microglial cell mediated inflammatory encephalopathy such as Alzheimer disease, Parkinson's disease, brain trauma, cerebral edema and the like, and has obvious treatment effect.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Clear coating composition and method for coating automobile body
ActiveUS9533328B2Improve bending resistancePrevent deviationLiquid surface applicatorsAntifouling/underwater paintsPolyolMelamine
To provide a coating composition, which is capable of providing a coating film on a resin part and on a steel plate part at the same time at lower temperatures than conventional coating compositions, and which is capable of providing a coating film that has excellent bending resistance. A clear coating composition, which contains a base material that contains an acrylic polyol, a crosslinking agent that is composed of an active methylene type blocked isocyanate and a melamine resin, and a curing catalyst. The mass ratio of the base material to the melamine resin is 1.5-9.0, and the mass percentage of the active methylene type blocked isocyanate in the composition is set within a specific range when the total of the mass percentage of the base material and the mass percentage of the melamine resin in the composition is taken as 100% by mass.
Owner:HONDA MOTOR CO LTD
Clear coating composition and method for coating automobile body
ActiveUS20140147597A1Improve bending resistanceReduce the temperatureLiquid surface applicatorsOrganic dyesPolymer scienceMeth-
To provide a coating composition, which is capable of providing a coating film on a resin part and on a steel plate part at the same time at lower temperatures than conventional coating compositions, and which is capable of providing a coating film that has excellent bending resistance. A clear coating composition, which contains a base material that contains an acrylic polyol, a crosslinking agent that is composed of an active methylene type blocked isocyanate and a melamine resin, and a curing catalyst. The mass ratio of the base material to the melamine resin is 1.5-9.0, and the mass percentage of the active methylene type blocked isocyanate in the composition is set within a specific range when the total of the mass percentage of the base material and the mass percentage of the melamine resin in the composition is taken as 100% by mass.
Owner:HONDA MOTOR CO LTD
Magazine type control box for multifunctional electric heater
InactiveCN102278790AAppropriate elasticityEasy to operateLighting and heating apparatusSpace heating and ventilation detailsControl circuitMechanical engineering
The invention relates to a magazine-type control box for a multifunctional electric heater, which includes a control circuit board and a control panel on which the control circuit board is installed; it is characterized in that it also includes a control box cover and a control box seat that can be fixed on the multifunctional electric heater , the control panel is connected to the control box seat through an arc groove or arc hole and a movable and rotatable motion shaft located in the arc groove or arc hole, the control box cover is connected to the control box seat in rotation, and the control box cover passes through Snaps and snap holes align with the control panel. It has proper elasticity to protect the stability of its state. When it is opened, it forms an angle of 45° with the horizontal, which is convenient for operation. When it is closed, it is hidden in the desktop frame, forming a whole, and the effect of the whole machine is beautiful.
Owner:MIDEA GRP CO LTD
Extruded 3D printed coating type sustained release preparation and preparation method thereof
ActiveCN111450070AImprove printing effectAvoid sudden releaseAdditive manufacturing apparatusMacromolecular non-active ingredients3d printFormulary
The invention belongs to the medical field of medicines, and relates to an extruded 3D printed coating type sustained release preparation and a preparation method thereof. According to the coating type sustained release preparation disclosed by the invention, a mixture of gelatin, glycerin and water is used as a substrate, a medicine or HPMC is added, an inner core or a coating is obtained, then through combination with model slicing and printing parameters, extruding and 3D printing are performed, and a target namely the coating type sustained release preparation is obtained. The formula hasgood printing properties, and takes account of smooth extruding and quick deposition; and compared with a conventional slow release printing material, the extruded 3D printed coating type sustained release preparation has the advantages that the water content of a system is reduced, and intensity and elasticity of samples are improved. An optimized coating model structure can solve the problems existing in a conventional extruded 3D printed sustained release preparation, including low medicine loading quantity, obvious early stage sudden release and not ideal 24h slow release actions. According to the extruded 3D printed coating type sustained release preparation disclosed by the invention, diclofenac sodium, aminophylline, metoprolol tartrate and acetylsalicylic acid are further used as representatives, the application effect of the coating type sustained release preparation is disclosed, and through adjusting medicines and models, individualized treatment of various medicines can berealized.
Owner:ZHEJIANG UNIV OF TECH
Tyrosine-derived amygdalin-loaded hydrogel preparation method and application
ActiveCN109125249AGood biocompatibilityEasy to injectOrganic active ingredientsNervous disorderAnti-inflammatoryChemistry
The invention discloses a tyrosine-derived amygdalin-loaded hydrogel preparation method and application. The method includes: dissolving Fmoc-Tyr-OH solid powder into dimethyl sulfoxide, and ultrasonically dispersing to obtain Fmoc-Tyr-OH stock solution; dissolving amygdalin solution with ultrapure water to obtain amygdalin stock solution; well mixing Fmoc-Tyr-OH stock solution and amygdalin stocksolution, and standing to obtain tyrosine-derived amygdalin-loaded hydrogel. The tyrosine-derived amygdalin-loaded hydrogel has anti-inflammatory characteristics, the problem of failure in direct application of amygdalin monomer to traumatic brain injured parts can be solved, bioactivity of amygdalin is kept, and evident treatment effects are achieved in application to treatment of inflammatory reaction caused by traumatic brain injuries.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Positioning connection structure of follower assembly and absorber assembly
ActiveCN102097135AClosely connectedPrecise positioningNuclear energy generationNuclear reaction controlNuclear reactorEngineering
The invention belongs to the technical field of nuclear reactors and particularly relates to a positioning connection structure of a follower assembly and an absorber assembly of a control rod driving wire of a nuclear reactor, which comprises a follower assembly and an absorber assembly, spring hooks are fixedly arranged on the opposite inner walls at two sides of the lower end of the absorber assembly, clamping holes matched with the spring hooks are arranged in the opposite inner walls at two sides of the upper end of the follower assembly, and the spring hooks and the clamping holes are matched to realize positioning connection between the follower assembly and the absorber assembly. Each spring hook comprises a main body and a hook body below the main body, the main body of each spring hook is provided with a screw hole, each hook body comprises a protruding block on the inner side as well as an upper claming hook and a lower clamping hook on the outer side, and the upper clamping hook is narrower than the lower clamping hook; and the lower clamping hooks are matched with the clamping holes. In the technical scheme provided by the invention, the follower assembly and the absorber assembly are connected into a whole, and the advantages of compactness for connection, accuracy for positioning, appropriate elastic force, convenience for operation and the like are achieved.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY
Curtain blinds spring motor elasticity maintaining structure
ActiveUS10000967B2Avoid deformationRelieve stressDoor/window protective devicesCoil springEngineering
A curtain blinds spring motor elasticity maintaining structure, which provides a spring motor structure that prevents unproductive deformation and loss of elastic stress in a sheet band of a coil spring. The structure primarily consists of a kidney shaped wheel face provided on the outer circumferential surface of a drive drum. A first wound layer, a second wound layer, and a third wound layer of the sheet band are pulled and wound onto the drive drum to form a pressure accumulating coil, thereby arranging an anticipated configuration of curved tight windings of each of the wound layers along the kidney shaped wheel face, which prevents changes in the cross-sectional curvature of the sheet band and loss in elastic stress thereof, and thus maintaining an appropriate elastic force.
Owner:HUANG HSIEN TE +1
Cement-emulsified asphalt mortar for slab tracks in severe cold areas
The invention provides cement-emulsified asphalt mortar and a preparation method thereof. The cement-emulsified asphalt mortar comprises the following components in part by weight: 110 to 160 parts of emulsified asphalt, 10 to 30 parts of polymer emulsion, 90 to 100 parts of cement, 150 to 250 parts of sand, 0 to 0.5 part of strength modifier, 0 to 10 parts of expanding agent, 0 to 1.0 parts of fiber, 0 to 0.05 part of cellulose, 0.004 to 0.015 part of aluminum powder, 0 to 0.1 part of defoaming agent, 0 to 1.2 parts of air entraining agent and 0 to 25 parts of water. The cement-emulsified asphalt mortar has good low-temperature resistance, and is suitable for the slab tracks of high-speed railways, passenger transport lines and urban high-speed light rails in severe cold areas.
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2
Viscoelastic mud as well as preparation method and application thereof
The invention relates to viscoelastic mud as well as a preparation method and application thereof. The viscoelastic mud contains the following raw materials in percentage by weight: 4%-20% of an elastomer, 0-40% of softening oil and 40%-96% of liquid rubber, wherein the elastomer is selected from at least one of a styrene block copolymer and semi-solid state polyisobutylene rubber. The viscoelastic mud has relatively proper viscidity and rebound rate and relatively good tensile strength.
Owner:GUANGXI SISLAND IND CO LTD
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com