36results about How to "Highly elastic" patented technology

Disclosed are highly resilient and cohesive gels formed by the cross-linking of hyaluronan or hylan, their salts or derivatives thereof, using divinyl sulfone (DVS) as the cross-linking agent. Also disclosed are viscoelastic fluids containing alkylsulfone groups covalently attached to the backbone of the polymer, formed by the mono-functionalization of the cross-linking monomer DVS with hyaluronan and/or hylan. Mechanical properties such as values of hardness and cohesiveness are specified by the rheological properties of the gels. Also disclosed are methods for the preparation of such products. They have use in many applications as injectable and/or implantable devices and as drug delivery systems.

Medical device for embolic protection in an aortic arch, comprising a catheter having a shaft and a distal end portion of the shaft, an expandable embolic protection device having a filter membrane and a frame. The frame comprises a frame loop and an elongated frame shaft having a distal end portion connected to the frame loop in a connection point, in its expanded state the frame loop spans said filter membrane and bending means to bend the distal end portion of the catheter and/or the distal end portion of the frame shaft. The medical device comprises a protective state in which the distal end portion of the catheter is bent, the embolic protection device is expanded, the frame shaft extends in a longitudinal direction of the bent distal end portion and the expanded frame loop being completely positioned distally of the connection point.

The invention discloses a rubber adhesive which comprises the following components in percentage by weight: 20-40 percent of liquid rubber, 2-6 percent of a vulcanizing agent, 0.1-0.6 percent of an accelerator, 0.4-0.8 percent of an antioxidant, 0-3 percent of a foaming agent, 1-3 percent of a dehumidifying agent, 0-3 percent of a thixotropic agent, 1-2 percent of zinc oxide and 40-55 percent of fillers, wherein the sum of the weight percentage of all the components is 100%. The invention also provides a preparation method of the rubber adhesive. The rubber adhesive disclosed by the invention has good status retention property and oil level steel plate stationarity when not cured, and a cured material has high intensity, good airtightness, shock absorptivity, noise reduction performance and the like, so the rubber adhesive can be widely applicable to adhesion and sealing of metal plates in automobile and engineering machinery industries.

The embodiment of the invention provides a voice interaction method and device, and the method comprises the steps: determining target page jump information corresponding to a voice interaction event from knowledge graph data when the voice interaction event is detected, wherein the knowledge graph data comprises a vehicle-mounted system or a plurality of functional entities applied in the vehicle-mounted system and corresponding page jump information; according to the target page jump information, constructing one or more dynamic slots, and performing slot value filling on the one or more dynamic slots to obtain a target semantic representation; and controlling the vehicle-mounted system or the application in the vehicle-mounted system according to the target semantic representation. Through the embodiment of the invention, slot filling is achieved according to the target page jump information determined according to the knowledge spectrogram, so that the slot structure has high elasticity, the slot structure of the hierarchical relationship of all pages does not need to be defined, and the method and the device can be applied to a scene of dynamic change of page jump information data.

The invention discloses a building external wall fireproof coating and a preparation method. The building external wall fireproof coating is mainly prepared from the following raw materials in parts by weight: 20.0-26.0 parts of amino resin, 1.5-2.2 parts of titanium dioxide, 7.8-10.5 parts of polycarbonate, 6.4-8.1 parts of magnesium trisilicate, 7.3-9.4 parts of wollastonite, 3.3-5.2 parts of portland cement, 5.2-8.6 parts of fly ash, 1.2-1.6 parts of carrageenan and 2.4-3.6 parts of ethylene glycol. The coating has the advantages of good air permeability, high elasticity and cracking resistance, good weather resistance, excellent alkali resistance and water resistance, perfect flame retardance, no toxicity and environmental friendliness, low price and the like.

An optical assembly, which is adjustable relative to an axis (A), includes an optics carrier (1), at least two optical components (2, 3) fixedly connected with the optics carrier (1) and axially spaced from each other, and at least one thin, partially tangentially oriented, deformation web (4) provided in the optics carrier (1) in an axial intermediate region (X) between the at least two optical components (2, 3)

The present disclosure provides an aluminum (Al) alloy, for general casting, and a technique for producing the same. The Al alloy includes Al, Si in the range of 5 to 13 wt %, Ti in the range of 2 to 7 wt % and B in the range of 1 to 3 wt %. According to the disclosure, a TiB₂ compound may be formed in the Al alloy, where the ratio of Ti:B may range from 2 to 2.5 wt %. The Al alloy of the disclosure has improved elasticity, and is suitable for general casting processes such as, for example, high pressure casting process.

The invention discloses bornylene ester and a preparation method thereof. The bornylene ester is characterized in that the structure is C8H13OC=OC-R=CH2. The invention further discloses the preparation method of the bornylene ester. Borneol and olefine acid are mixed according to a raw material mass ratio of 1 to 3; after catalysts and polymerization inhibitors are added to the borneol and the olefine acid, the borneol and the olefine acid react in solvent; and after the reaction is finished, recrystallization is conducted, and then a sample is acquired. The bornylene ester disclosed by the invention forms an end double bond after being esterified, and can be used for conducting polymerization reaction and manufacturing new materials, thereby providing a selectable raw material for the new materials; and furthermore, the bornylene ester has the advantages that the reaction is simple and easy, the operation is convenient, no by-products are produced, the environment cannot be polluted, and the yield is high.

The invention discloses an elastic exchange interface architecture for a node clipboard and a using method. The elastic exchange interface architecture comprises an elastic exchange interface unit and a control unit. The elastic exchange interface unit comprises a switcher and an electronic key assembly. The control unit controls the elastic exchange interface unit after the control unit receives a control signal from an external communication server; at the same time, the control unit respectively controls the switcher and the electronic key assembly through the control signal. The elastic exchange interface architecture is used together with physical layers of a case bottom plate and the node clipboard, can allow the physical layers to correspond to the route of a communication port in a communication link of the case bottom plate, thereby being capable of supporting the multi-topology mode; and an on-line adjustment to the link/port assignment of the communication link can be made according to the bandwidth demand of the actual application to ensure that the use of the bandwidth achieves the optimization.

The invention discloses a cable middle connector. Cold contraction sealing casing pipes are arranged among cable conductors, a cold contraction insulating protective pipe is coaxially arranged in a pipe body of each cold contraction sealing casing pipe, a set of installing holes are formed in each cold contraction insulating protective pipe in an opposite mode, a shielding structure layer is arranged in each installing hole, insulators are distributed on the inner wall of the cold contraction insulating protective pipe, a sealing sleeve is sleeved outside the cold contraction sealing casing pipe corresponding to the cold contraction insulating protective pipe, a rubber strip structure layer is arranged outside the sealing sleeve in a defining mode, and a constant force elastic layer is arranged outside the rubber strip structure layer. Through the method, the cable middle connector is simple and compact in structure, good in insulativity, high-temperature-resistant, and alkalinity-acidity-resistant. Due to the fact that a connector main body is made of soft liquid silicone rubber materials, insulating blind angles which are produced through bending of a cable can not be formed when the cable middle connector is used, the cable middle connector is high in elasticity and provides constant lasting radial pressure for a cable body so that the cable middle connector and the cable body just like breathing together, sealing performance and waterproofing performance are good, and long-term reliable operation is kept.

The invention discloses a pair of maternity underpants, which comprises an underpants body, wherein the underpants body is provided with a belly-supporting belt; the belly-supporting belt bypasses the abdomen to be connected on the back; the front side and the rear side of the underpants body are respectively provided with a belt loop through which the belly-supporting belt penetrates; the belly-supporting belt made of polyurethane fiber has the advantages of high elasticity and good resistance to oxidation, good oil resistance, good mildew resistance and good detergent resistance; two ends of the belly-supporting belt respectively bypass the abdomen of a pregnant woman to be finally stuck on the back so as to support the belly of the pregnant woman, prevent the uterus of the pregnant woman from drooping and protect the fetal position; a waist protection belt can be used for scattering the abdomen falling strength borne by the belly-supporting belt to the back of the waist while being used for protecting the waist of the pregnant woman, so the figure of the pregnant woman is protected and the free moving space of a fetus in the belly is increased. The belly-supporting belt is provided with a plastic bone, and the belly-supporting belt provided with the plastic bone section is just tightly fit with the waist of the pregnant woman when being used to enhance the waist and back support force, so that the abdomen can be stably supported by the back to alleviate waist discomfort.

The invention discloses a highly elastic rubber. Each 100 parts by mass of the highly elastic rubber comprises 45 parts of natural rubber, 15 parts of stearic acid, 8 parts of an anti-aging agent, 2 parts of graphite powder, 5 parts of quartz powder, 10 parts of spray carbon black and 15 parts of high-resistance dibutyl sebacate. The rubber provided by the invention has high elasticity and can be used for shock absorption.

A waterborne polyurethane complex and composition comprise a waterborne polyurethane layer being attached to a functional adhesive layer. The waterborne polyurethane layer contains a catalyst with content less than 0.001 wt %, and the catalyst is organic zinc or organic bismuth. The waterborne polyurethane complex is biocompatible and non-irritable, and is adapted for cell therapy or biomedical application.

The invention discloses a graphene face mask capable of preventing and treating acnes, and belongs to the field of face masks. The graphene face mask comprises a face mask body and hanging ropes; themask body can cover a face; the face mask body is provided with a breathing opening; the face mask body is provided with graphene fabric; the face mask body includes lining yarns and surface yarns; spandex is also arranged in the surface yarns; and the ratio of the total weight of graphene blended acrylic fibers to graphene blended viscose fibers to the weight of the spandex in the surface yarns is (90-96):(4-10). The graphene fabric comprises the porous graphene blended acrylic fibers and the porous graphene blended viscose fibers, the material can convert absorbed human body energy into far-infrared light waves, and the graphene fabric can adjust adipocyte metabolism, inhibits secretion of the sebaceous gland, softens cuticle, accelerates metabolism of metabolic waste in hair follicles,accelerates excretion of pus and foreign bodies, and inhibits metabolism of propionibacterium, thus effectively treating acne sites.