40 results about "Elastomer" patented technology

An implantable prosthesis comprised of a solid elastomer made from a synthetic organic polymer that is biocompatible, compliant, and has water content greater than 5%. The solid construction prevents leaks and ruptures that are prevalent in other implants. The implant has the look, fit and feel of human tissue from various parts of the body.

A fluid filter includes a housing having a tapping plate with a first aperture. A center tube is arranged in the housing proximate to the tapping plate. The center tube includes a second aperture. An elastomeric valve assembly is arranged between the center tube and the tapping plate. The valve assembly comprises a separate two-piece relief valve and anti-drain back valve. The anti-drain back valve is arranged adjacent to the first aperture for selectively blocking the first aperture to prevent fluid from exiting in the side of the filter during engine shut down. The relief valve is arranged adjacent to the second aperture for selectively blocking the second aperture to permit fluid to flow past the relief valve during high differential pressure conditions such as cold starts and plugged filter conditions.

Present invention describes a patterned and coated micro- and nano-scale fibers elastomeric material for enhanced adhesion in wet or dry environments. A multi-step fabrication process including optical lithography, micromolding, polymer synthesis, dipping, stamping, and photopolymerization is described to produce uniform arrays of micron-scale fibers with mushroom-shaped tips coated with a thin layer of an intrinsically adhesive synthetic polymer, such as lightly crosslinked p(DMA-co-MEA).

The invention discloses a preparation method of durable modified asphalt. The method comprises the following steps: performing organic treatment on montmorillonite, pouring the montmorillonite and anintercalator into a flask, feeding a dispersing agent to perform dispersing in the flask, performing stirring and suction filtration on dispersive montmorillonite, so as to obtain a montmorillonite dispersion liquid, washing the montmorillonite dispersion liquid through deionized water and drying to accomplish the organic treatment on the montmorillonite; mixing SBS with asphalt, so as to obtain molten SBS modified asphalt, feeding the montmorillonite subjected to organic treatment and titanium dioxide into the molten SBS modified asphalt, stirring, so as to obtain a mixture, putting the mixture into a stirrer to stir the mixture, and ensuring that the temperature of stirring environment is 140 to 160 DEG C, so as to obtain the durable modified asphalt. According to the method, the durablemodified asphalt prepared from the titanium dioxide replacing nanometer materials is applied to pavement laying, the ageing resistance of pavement can be improved, during the preparation, the costs of the organic treatment on the montmorillonite and the adding design of elastomers are low.

A cellulose ester concentrate is provided comprising at least one non-nitrile carrier elastomer and at least one non-fibril cellulose ester, wherein said cellulose ester concentrate comprises at least 15 weight percent of said cellulose ester.

An intermediate transfer belt configured to receive a toner image formed by developing, with a toner, a latent image on an image bearing member, the intermediate transfer belt including a base layer and an elastic layer laid on the base layer, wherein the elastic layer includes spherical resin particles and a layer formed of an elastic body, and has a concavo-convex pattern in a surface of the elastic layer, wherein the spherical resin particles are arranged in a plane direction in the surface of the elastic layer, and wherein the intermediate transfer belt has glossiness of 35% or higher as determined based on reflected light at 85° on the surface of the intermediate transfer belt.

The invention relates to the technical field of polymer materials, and concretely relates to a high-rigidity and high-toughness resin material for clothing buttons. The resin material includes unsaturated polyester resin, styrene, acrylate, rigid toughened mother powder, polyamide wax, a pearlescent pigment, an ultraviolet absorber, a promoter, an initiator and an antioxidant, wherein the rigid toughened mother powder is a special high-hardness elastomer material; the ultraviolet absorber is one of an ultraviolet absorber UV-327, an ultraviolet absorber UV-P and an ultraviolet absorber UV-9; the promoter is cobalt isooctylate or cobalt naphthenate; the initiator is methyl ethyl ketone peroxide; and the antioxidant is an antioxidant 1076, an antioxidant 164 or an antioxidant TNP. The buttons made of the resin material have the advantages of high toughness, difficulty in fracture, good rigidity and outstanding impact resistance.

The present invention discloses an inner container type integrated toothbrush comprising a cleaning head and a handle, the handle is moveably connected to the cleaning head, an upper groove and a plurality of lower grooves are respectively arranged on the external side in the same direction as the brush hair and on the left side and right side of the internal side of the handle with an inner container. The groove is provided with a push-press valve provided with an liquid inlet, a sealing nail and a protrusion fixing edge therein; a plurality of liquid outlets are arranged in the brush hair of the cleaning head provided with a liquid transport tube and a switching valve therein. The inner container may be a retractable and foldable elastomer. The product of the invention integrates functions of the toothbrush with a straight-handle, toothbrush with a straight-handle and a bent head, toothbrush with a straight-handle and a replaceable head, massaging type toothbrush and toothpaste. The invented toothbrush is convenient, durable, safe and hygienic, and can prevent the toothpaste cap from dropping off, and is particularly applicable to the aged, kids and unhandy persons.

The present invention pertains to a container cap comprising: a lower cap which is made of an elastic elastomer material and has a locking hook that encases the outer upper side of a mouth of a container, and which has a cap portion on the bottom of a small diameter tube of the lower part of an insertion tube downwardly extending to the inside of the mouth of the container and has an edge groove on the circumference of the cap portion, wherein several inlets which are radially opened at certain intervals and have a smaller diameter than the diameter of accommodated granules are formed in the small diameter tube; an accommodation tube portion for sealing and coupling so as to open a lower end of an accommodation tube portion of the edge groove in the lower cap, wherein an outer side of an upper end of the accommodation tube portion has a shoulder portion having an extending diameter, and an upper cross section of an accommodation tube is blocked; and an upper cap which has a protrusion protruding to the lower side of an upper side portion thereof and supporting the shoulder portion so as to enable a vertical movement of the accommodation tube portion, and which further comprises a pressing end vertically coming into surface contact with the locking hook at an inner edge at which the upper side portion borders an outer cap portion, wherein the upper cap is coupled such that the accommodation tube portion performs only an ascending motion instead of rotation by the coupling of the protrusion and the shoulder portion when the upper cap is separated for drinking of the contents of the container after being coupled to the lower cap, wherein when the upper cap is separated from the container, the upper cap is separated from the cap portion by only the ascending motion instead of the rotation of the accommodation tube portion without torque strain in the sealing and coupling of the accommodation tube portion, and the container is inclined such that the contents of the container pass through the inlets whereby added granules and the contents of the container are discharged together.

A keyboard includes a keyboard shell; a supporting panel; a plurality of keycaps; a plurality of keycap supports between the supporting panel and the corresponding keycaps; a plurality of elastomers through the corresponding elastomer holes; an FPC sheet with a plurality of key signal pads corresponding to the plurality of elastomers; a light emitting substrate arranged under the FPC sheet, and a plurality of light emitting Light emitting par arranged on the light emitting substrate; a fixing groove which is used for fixing the supporting panel, the FPC sheet and the light emitting substrate formed on the keyboard shell; the elastomer being arranged on the FPC sheet; the supporting panel, the FPC sheet, and the light emitting substrate being supported in the keyboard shell and the light beams from the light emitting part being guided through the light through holes to the up side of the supporting panel.

The invention discloses SBS grafted odor-removing mattress spraying glue and a preparation method thereof. The SBS grafted odor-removing mattress spraying glue comprises, by weight, 10-15 parts of methyl isobutyl ketone, 5-10 parts of isopropyl formate, 10-20 parts of aromatic environment-friendly solvent oil, 15-25 parts of methyl cyclohexane, 10-18 parts of SBS elastomer, 0.1-0.5 part of BPO, 5-15 parts of MMA, 0-8 parts of BA, 0-3 parts of 2-HEMA, 1-3 parts of terminating agent, 10-15 parts of hydrogenated petroleum resin and 12-18 parts of hydrogenated rosin modified resin. The SBS grafted odor-removing mattress spraying glue has the advantages that the glue is colorless, transparent, high in adhesive force, resistant to yellowing, efflorescence, high temperature, oil and plasticizer, nontoxic, odorless and free of residues and is an ideal spraying glue choice for high-end mattress manufacturers, the glue is small in odor during spraying, a glue film is free of residual solvents and resin odor, pure white and transparent, and light-colored mattress fabric cannot polluted after glue spraying.

The invention relates to synthesis of an end amino silicone oil modified stryenemaleic anhydride copolymer. The synthetic route comprises the following steps: in a flask, adding 80-100 parts of a stryenemaleic anhydride copolymer and 100-300 parts of a solvent; stirring the mixture at 45-60 DEG C, adding 0.5-10 parts of a catalyst aqueous solution till the materials are fully dissolve; stirring the mixture for 0.5 h; dropwise adding 20-50 parts of an end amino silicone oil solution through a constant flow pump; heating the mixture to 70-90 DEG C after dropwise addition; keeping the temperaturefor 3-6 hours; continuously heating the mixture to 100-150 DEG C; refluxing the mixture for 4-10 hours; exsecting low-boiling-point substances in the system by a water konckout vessel; and after thereaction, drying the mixture to obtain a target product: a polymer elastomer with a maleimide structure on a main chain. The modified novel material has excellent performance of organic silicon, polyolefin and maleimide, has good chemical stability resistance, heat resistance and toughness, and can be applied to the fields of coatings, hot melt adhesives and the like.

A high-g shock accelerometer is provided with an LCC case. A MEMs acceleration sensor is positioned in an interior of the LCC case. The MEMs acceleration sensor has exterior surfaces including top and bottom surfaces and side surfaces. An elastomer is in an adjacent relationship or in contact to a majority of the exterior surfaces and to the interior of the LCC case. The MEMs acceleration sensor with the elastomer attenuates LCC case strain sensitivity while retaining wide band frequency response.

The invention discloses a cement nanometer toughening agent for petroleum and natural gas well cementation. The cement nanometer toughening agent comprises the following components in parts by weight:100 parts of clear water, 40-80 parts of condensed nano silicon powder, 5-10 parts of flexible particles, 1.2-1.5 parts of hydroxypropyl starch and 0.1-0.3 part of polyvinyl chloride fiber, wherein the flexible particles are styrene thermoplastic elastomers. A preparation method is simple, and the cement nanometer toughening agent can be obtained only by weighing the components according to a certain weight ratio and then uniformly mixing and stirring the components; the cement nanometer toughening agent liquid for natural gas well cementation has good compatibility with cement paste; according to the invention, on-site construction requirements can be met, the elastic modulus of the set cement is reduced on the premise of ensuring the compressive strength of the set cement, so that the impact resistance of the annular set cement is strong, the annular set cement can bear the influence caused by large-scale fracturing and alternating stress change of a gas storage well shaft, and theservice life of oil-gas wells is prolonged.

The invention pertains to a fluoropolymer composition based on a thermoplastic vinylidene fluoride (VDF) polymer and a thermoplastic fluorinated elastomer, possessing advantageous performances, including improved compromise between flexibility and stiffness, and suitable for being notably used in the manufacture of parts and accessories of mobile electronic devices, to a method of making the said composition, and to a method of manufacturing said parts from said composition and mobile electronic devices using said parts.

In one aspect, a load cell includes an elastic body, first optical unit, second optical unit, detector, and computation unit. The first optical unit has a light source, a first diffraction grating on which light from the light source is incident, and a light-receiving unit. The first optical unit is fixed to a first end portion of the elastic body and arranged within a hollow portion of the elastic body. The second optical unit has a second diffraction grating on which diffracted light from the first diffraction grating is incident to generate interference light. The second optical unit is fixed to a second end portion of the elastic body and arranged within the hollow portion. The detector detects the interference light. The computation unit computes a relative displacement amount of the second diffraction grating relative to the first diffraction grating on the basis of a signal obtained by the detector.

The invention belongs to the technical field of thermoplastic elastomers, and particularly relates to a high-filling scratch-resistant extrusion-grade thermoplastic elastomer material and a preparation method thereof.The thermoplastic elastomer material is prepared from, by weight, 100 parts of styrene elastomers, 30-150 parts of filling oil, 10-300 parts of polyolefin, 1-50 parts of a slipping auxiliary, 50-300 parts of modified inorganic filler and 0.1-10 parts of a lubricating agent. According to the high-filling scratch-resistant extrusion-grade thermoplastic elastomer material, the base material styrene elastomer is good in compatibility with the filling oil and the polyolefin, all the components can be uniformly mixed to improve the processing performance, and the inorganic filler is added into the system after being modified and can be more uniformly dispersed, so that the scratch-resistant extrusion-grade thermoplastic elastomer material is prepared. And the temperature resistance, sound insulation and other properties of the material can be effectively improved, the scratch resistance of the material can be significantly improved, and the surface defects such as patterns, flow marks, shrinkage pits, peeling, bumps and the like formed on the surface of the product due to poor fusion of the directly added inorganic filler and the system are avoided.

The invention discloses a deformation measuring device, comprising more than one deformation measuring element; each deformation measuring element comprises a base material and sensitive grids, wherein the base material is prepared from an elastomer material having brittle material characteristics; the sensitive grids are fixedly combined with the surfaces of the base material so as to form an integral structure; the sensitive grids can output detection values in proportion according to the deformation; the error caused by plastic deformation is eliminated by using the integral structure of the base material and the sensitive grids as well as the brittle material characteristics of the base material. The deformation measuring device can eliminate the influence of the plastic deformation, and has high accuracy, high repeatability and high reliability.

The invention discloses a polyether-organic silicon composite nylon elastomer and a preparation method thereof, and the polyether-organic silicon composite nylon elastomer is prepared by introducing a polyether product and an organic silicon polymer into a nylon synthesis reaction process. The novel nylon elastomer is prepared by taking organic silicon as a soft segment, and compared with a traditional elastomer taking polyether as a soft segment, the novel nylon elastomer prepared by the invention has excellent performances of better flexibility and higher elongation at break.

The invention discloses a waste PET composite material. A silane coupling agent can be mixed with waste PET and a polyolefin elastomer after being mixed and dried with waste resin powder with a mass ratio of 1-10 : 100, so that a mixture can be obtained, wherein the mass ratio of the waste PET to the waste resin powder is 5-9 : 1-5, and the addition amount of the polyolefin elastomer accounts for1-20% of the mass of the mixture; and extrusion granulation of the mixture can be realized through a twin-screw extruder. Through a modification technology to develop the composite material, the comprehensive utilization of the waste PET and waste resin can be realized, and the disadvantage of poor PET impact property can be overcome.

The invention discloses a double-conical-surface flexible supporting device. A first mandrel and a second mandrel in the supporting device are connected through a first elastic body; the first mandrel is connected with a third mandrel through a third elastic body; a second elastic body is located between a base and a base body; a fourth elastic body is located between the base and a supporting plate; a first boss is located on one side of the base body, and a second boss is located on one side of the supporting plate; and a connecting body penetrates through the first boss and the second boss to fix the base body and the supporting plate. Vibration between a stirring barrel and a speed reducer can be effectively reduced through the first elastic body, the second elastic body, the third elastic body and the fourth elastic body in the supporting device, rotation errors in all directions during operation of the speed reducer can be eliminated, and the problem of error angle compensation between the stirring barrel and the speed reducer is solved; and the axial bearing capacity of the speed reducer is improved, meanwhile, the base body and the base are connected and fixed into a whole through the supporting device through the connecting body, and the stability of the speed reducer is improved.

The invention discloses a heel assembly and a mold thereof, a shoe comprising the heel assembly and a manufacturing method of the shoe. The technical key points of the invention are as follows: the heel assembly comprises a protective cover. A protection groove used for protecting an elastic body is arranged in the protective cover. The shape, the size and the height of the protection groove are consistent with those of the elastic body. The protective cover is provided with an edge. The edge is consistent with a buffer edge in both shape and size. According to the invention, the elastic bodyis wrapped by the protective cover on the sole of the shoe after the installation of the protective cover on the sole, so that the elastic body is separated from the outside. The protective cover is made of wear-resistant and/or anti-skid materials. The performance of the sole can be changed by replacing the protective cover, and the application range is wide. Meanwhile, after the installation ofthe protective cover on the sole, the buffer edge is not changed at all in both shape and size. Therefore, a groove for mounting the buffer edge on the sole is not required to be changed, so that redundant steps are avoided. The efficiency is high. The protective cover is propped against the ground during walking. The antiskid performance of the sole is improved. The ground is used as a support, and the damping effect is further improved.