68 results about "Skin membrane" patented technology

The invention provides a pure mulberry silk facial mask. The facial mask comprises facial mask essence and a facial mask essence carrier, wherein the facial mask essence carrier is a pure mulberry silk mask cloth; and the facial mask essence is prepared from the following components in percentage by weight: 0.1-20 percent of skin conditioner, 0.01-20 percent of a moistening agent, 0.01-15 percent of a chelating agent EDTA-disodium, 0.1-5 percent of a thickening agent carbomer 940, 0.1-5 percent of a PH regulator potassium hydroxide, 0.1-10 percent of a preservative phenoxyethanol, 0.01-3 percent of a flavoring agent essence and the balance of a solvent. The pure mulberry silk facial mask is prepared from a pure mulberry silk mask cloth carrying fibroin and multiple amino acids, is sufficiently stored and loaded with the pure mulberry silk facial mask essence, can be used for infiltrating a skin membrane to achieve deep restoring; and furthermore, the method is simple in process, easy to operate and low in production cost, and can be used for effectively saving resource cost for enterprises.

There is provided an asymmetric integrally skinned membrane comprising a polyimide and another polymer selected from the group consisting of polyvinylpyrrolidone, sulfonated polyetheretherketones and mixtures thereof. The membrane which is substantially insoluble in an organic solvent and substantially defect-free can be useful as a separation membrane. Methods for preparing asymmetric integrally skinned polyimide membranes are also disclosed

The invention provides a multi-station cold heading manufacturing method for a plate die adjusting seat blank. Disc wool is used as a raw material. The method comprises the following steps of: performing phosphate skin membrane surface treatment on the disc wool, performing fine drawing and sizing on the wool subjected to the phosphate skin membrane surface treatment to obtain a disc finished product material, and shearing the disc finished product material obtained after fine drawing and sizing into single plate die adjusting seat pieces; and performing cold extrusion treatment, wherein the cold extrusion treatment is performed in corresponding stations. Straight bars and broken materials are replaced by adopting the disc material, so the requirement of multi-station cold heading continuous production can be completed, and the loss of stub bars and tails is reduced; and meanwhile, after multi-station cold heading one-time molding is adopted, the lathe allowance of a plate die adjusting seat is reduced, and the loss of raw materials is reduced by 30 percent, so the cost is reduced.

The invention discloses an all-round skin repairing active peptide water skin membrane, which is good for repairing damaged skin, hydrating, moisturizing, activating, delicate, bright, restoring elasticity, and keeping skin youthful. Contains the following components in mass percentage: Niacinamide: 0.1%‑0.5%; Panthenol: 0.5%‑2.5%; Acetyl Hexapeptide‑8: 0.2%‑0.6%; White Flower Chamomile Extract: 1%‑3 %; Chamomile Extract: 0.6%‑2.0%; EGF: 1.0%‑2.0%; Sericin: 0.1%‑0.5%; Compound Amino Acid: 2.0%‑3.0%; Sodium Hyaluronate: 0.01%‑0.1%; Glycerin: 3%‑6%; Butylene Glycol: 2%‑4%; Auxiliary ingredients: 0.2%‑3%; the balance is water.

The invention discloses a preparation method of novel tissue engineering skin. The method includes steps of jointly culturing an amniotic membrane decellularized scaffold and a mesenchymal stem cell to be a carrier, inoculating horn cell; culturing by a serum-free culturing system, and acquiring a complete tissue engineering skin membrane. Through the method, the method can culture a complete skin membrane and the skin membrane can be applied to the skin scar repair and leucoderma treatment. The horn cell is originated from body skin or prepuce of the newborn. The carrier is low in immunogenicity while also has biological activity; the serum-free culturing system can realize the in-vitro serum-free cultivation and amplification of the horn cell, and improve cell growth, multiplication, cell form, activity and function instead of bad influence; the skin membrane cultivated by the method is approached to natural skin; after the skin-grafting culturing, it can be applied to the scar repair of scaled and other injured skins as well as treatment of skin disease such as leucoderma.

The invention relates to a manufacturing method and an application of a hollow braided rope. The manufacturing method includes the steps of selecting fibers of specific fineness as materials, braiding the fibers by a braider after the fibers are twisted into strands, or braiding the fibers by the braider with the fibers not twisted into strands, inserting a stainless steel wire into the hollow space of the braided rope, shaping by a drum type microwave continuous heater, and the like. The hollow braided rope is shaped by microwave heating which belongs to an internal shaping process, and original surface appearance of the braided rope fibers is maintained. Compared with traditional external heat setting processes, according to the hollow braided rope obtained by the manufacturing method, space between each two strands of the rope and between each two fibers are not too tight, the rope surface is not smooth, and bonding effects are not affected. The hollow braided rope obtained by the manufacturing method can be used as an internal supporting material for internally supporting hollow fiber membranes. The outer surface of the hollow braided rope is rough, thereby bonding performance between the rope and skin membrane materials is improved, and the skin membrane materials are prevented from falling off during usage.

The invention discloses a water-based cleaning agent with an iron rust and copper rust removing function as well as a preparation method thereof, and belongs to the technical field of a metal cleaningagent. An excellent surfactant is selected and has excellent cleaning ability at medium and high temperature; the selected inorganic acid and organic acid can completely clean oxide and soldering flux generated during steel welding; a skin membrane generated by special organic acid is adopted and the cleaned steel surface has a certain anti-rust property; furthermore, after cleaning, obvious residues or exotic matters do not exist on the surface of the steel plate.

The invention relates to an overpressure closing valve for high-pressure natural gas. The overpressure closing valve comprises a pressure sensing head, a locking release mechanism and a closing valve body, wherein the locking release mechanism is provided with a valve clack drive rod and a locking release component; a circumferential groove is formed on the valve clack drive rod; the locking release component is provided with a locking tab; a valve clack and the valve clack drive rod are fixedly connected; a valve clack spring is arranged between the valve clack and the valve body; and a valve port is formed below the valve clack; a pressure sensing skin membrane, a pressure presetting mechanism and a horizontal compression bar are arranged in the pressure sensing head; and the horizontal compression bar and the locking release component are fixedly connected. When unreasonable high pressure occurs in a pressure regulating system, the pressure sensing skin membrane is driven by the pressure, acts on the locking release mechanism through the horizontal compression bar, releases the valve clack drive rod, and allows the valve clack fixedly connected with the clack valve drive rod to drop down so as to seal the valve port. In the whole working process, delay time does not exist, gas is not diffused, pressure jump is avoided, the environment is protected, and safety effect is achieved.

The invention discloses a compound external anti-ulcer tablet which is characterized by comprising the following components by percent: 15 percent of oxytetracycline, 15 percent of berberine, 10 percent of compound sulfamethoxazole, 10 percent of metronidazole, 15 percent of complex vitamin B, 15 percent of vitamin C, 10 percent of cimetidine, 7 percent of calcium and 3 percent of chlortrimeton. The compound external anti-ulcer tablet solves the problems that an existing external anti-ulcer tablet cannot be used for treating skin membrane ulcer such as bedsore, scald, and non-cicatrization of wounds, and is applicable to treatments of various infantile febrile convulsion patients.

The invention discloses a long-acting moisturizing composition. The long-acting moisturizing composition is obtained by extracting the following raw materials by weight percentage: 5-30% of ceratoniasiliqua seeds, 5-30% of greater plantain, 5-30% of artemisia sieversiana, 3-30% of crataegus monogina fruits, 5-30% of alkanna tinctoria roots, and 5-30% of Chinese milk vetch. The moisturizing composition prepared from the ceratonia siliqua seeds, the greater plantain, the artemisia sieversiana, the crataegus monogina fruits, the alkanna tinctoria roots and the Chinese milk vetch provided by theinvention has polysaccharide active ingredients, has an excellent moisturizing effect, and is capable of effectively reducing symptoms such as increased dander and dryness-heat caused by dry skin. Thecomposition has high affinity with skin membrane protein, can enhance the absorption of nutrients by skin, increases the hydration function of cells, and enables the skin to be improved in tolerancein a dry environment.

The invention relates to a preparation method of a collagen polypeptide skin membrane capable of reducing swelling and relieving itching, and belongs to the field of biomedical materials. The collagen polypeptide skin membrane capable of reducing swelling and relieving itching is prepared by the following steps: with collagen polypeptide, sodium carboxymethylcellulose, dialdehyde starch and starch as raw materials, forming a basic skeleton structure of the membrane; adding glycerol as a humectant, and controlling the humidity of the membrane; adding active components such as a scutellaria baicalensis extract, a coptis chinensis extract, a golden cypress extract and a rheum officinale extract; finally pouring the evenly mixed pasty mixed liquid into a mold, molding, and drying in a drying oven at a constant temperature; and uncovering the membrane, so as to obtain the collagen polypeptide skin membrane with good biocompatibility and capability of reducing swelling and relieving itching.

An insect trap includes a combination of one or more components used to classify the insect according to a genus and species. The trap includes an imaging device, a digital microphone, and passive infrared sensors at the entrance of the trap to sense wing-beat frequencies and size of the insect (to identify entry of a mosquito). A lamb-skin membrane, filled with an insect attractant such as carbon dioxide mixed with gas air inside, mimics human skin so that the insect can rest on the membrane and even pierce the membrane as if a blood meal is available. An imaging device such as a passive infrared sensor or a camera gathers image data of the insect. The insect may be a mosquito.

The invention provides a three-dimensional fused deposition polyamide forward-osmosis membrane as well as a preparation method and an application thereof. According to the embodiment, the forward-osmosis membrane comprises a support layer and a forward-osmosis skin membrane, wherein the forward-osmosis skin membrane is formed on the surface of the support layer; the support layer is made of polysulfone and provided with a crosslinking layer, and the forward-osmosis skin membrane is formed through 3D printing of polyamide. Therefore, polysulfone can provide excellent support for the forward-osmosis membrane, the forward-osmosis skin membrane with a controllable three-dimension multilayer net structure and uniform thickness is formed on the support layer through a 3D printing technology, the porosity of the forward-osmosis membrane can be improved, and influence of concentration polarization on the separating property of the forward-osmosis membrane is reduced, so that higher water flux and higher retention rate are realized, and the performance of the forward-osmosis membrane is improved.

Aircraft, aircraft exterior speaker system, and method of projecting sound waves from an exterior of an aircraft are provided. An aircraft includes an outer skin membrane, a vibration actuator, and a controller. The outer skin membrane has an exterior surface that defines an exterior boundary of the aircraft. The vibration actuator is coupled for common vibration with the outer skin membrane. The controller is operatively coupled with the vibration actuator and is configured to generate a command for the vibration actuator based on audible content to be projected from the exterior surface. The controller is further configured to transmit the command to the vibration actuator. The vibration actuator is configured to vibrate in response to receiving the command.

The invention provides a capsule skin membrane composition, which comprises carrageenan used for a gelatinizing agent and dextrin used for a skin membrane basing agent, wherein hard carrageenan and iota carrageenan in the carrageenan are mixed according to the weight ratio of more than 1:1 to lower than 1:10; 100 parts of the dextrin are mixed with the 1 to 50 parts of the carrageenan according to parts by weight; and bovine-derived gelatin is not contained in the composition. When the capsule skin membrane composition is used as a capsule skin membrane for preparing a capsule, the skin membrane characteristics of forming, cracking, strength, transparency and air seepage resistance of the prepared capsule are equal to those of the existing gelatin capsule. In addition, the skin membrane characteristic of adhesiveness of the prepared capsule in is better than that of the existing gelatin capsule.