36 results about "Animal glue" patented technology

The invention belongs to the technical field of hydrogel, and particularly relates to animal glue composite hydrogel as well as a preparation method and application thereof. The animal glue composite hydrogel comprises animal glue, polyvinyl alcohol, glycerol and water. The animal glue composite hydrogel provided by the invention not only has rheological and mechanical properties similar to those of natural nucleus pulposus, adapts to the mechanical environment of intervertebral discs, but also has tissue adhesion, can be adhered to soft tissues and avoid leakage, and also can inhibit lipid peroxidation of nucleus pulposus cells in the reactive oxygen species (ROS) environment, reduce cell ferroptosis and promote nucleus pulposus repair.

The invention provides a capsule used as an aerosol generating substrate, the capsule contains fuming materials propylene glycol and glycerol, a capsule skin comprises a colloidal substance, the colloidal substance is at least one of animal glue, vegetable glue, starch and a starch modifier, and only one layer of capsule skin is provided. The invention also discloses an aerosol generating product using the capsule, and uniform and sufficient smoke release can be obtained at a lower heating temperature, so that the aerosol product can further reduce the energy consumption, reduce the release of harmful substances and improve the feeling of a smoker.

The invention provides high-dispersity silver powder and a preparation method and application thereof.According to the preparation method of the high-dispersity silver powder, a simple liquid phase reduction method is adopted for preparing the high-dispersity silver powder, polyvinylpyrrolidone is adopted as a dispersing agent and is a simple and easy-to-obtain water-soluble polymer, animal glue such as gelatin and bone glue is not adopted, and therefore the high-dispersity silver powder is prepared. And the conductivity of the silver powder is influenced. Meanwhile, the using amount of the dispersing agent is 8%-15% of the mass of the reaction silver nitrate and is far smaller than 20%-40% of the commonly-used using amount, the using amount of the dispersing agent can be remarkably reduced, the dispersity of the final silver powder is not affected, and therefore the production cost of the high-dispersity silver powder is greatly reduced.

The invention discloses a preparation method of a shaving board lignin-based biomass formaldehyde-free adhesive, and relates to the technical field of environment-friendly adhesives, the preparation method comprises the following steps: step 1, mixing animal collagen and inorganic base, and carrying out ultrasonic treatment to obtain activated protein; step 2, mixing and stirring the modified activated lignin, activated protein and an amino resin cross-linking agent in a mass ratio of (42-50): (17-23): (5-20) for 10-30 minutes, and controlling the stirring temperature to be 30-45 DEG C to obtain an initial material of the formaldehyde-free adhesive; and step 3, adding the functional additive into the formaldehyde-free adhesive initial material, and carrying out heat treatment and stirring to obtain the functional formaldehyde-free adhesive. The formaldehyde-free environment-friendly adhesive has the effect of remarkably improving the bonding strength while being formaldehyde-free and environment-friendly.

The invention discloses a waterproof structure and a manufacturing method thereof, and the manufacturing method comprises the steps of providing a biodegradable mixture, adding a natural additive, spraying and removing moisture, and is characterized in that the biodegradable mixture which mainly comprises natural plant fiber raw materials and polysaccharides (such as algal glue, vegetable glue and animal glue) is used as a material; the applied natural additives and the manufacturing method are non-toxic, safe and natural, the film body layer is formed through an adhesion technology, and paper, plastic, glass, textile fiber / cloth, tableware, containers, decoration, blocking / buffering materials, protective tools, articles, printing and forming technologies in the market are applied to the technical field of application; the film body layer has the characteristics of water resistance, heat resistance, adhesion, stretching and oil resistance; in addition, the applied algae can be used for carbon sequestration, and the algae absorbing carbon dioxide can be used as a main raw material of the membrane body layer.

The invention relates to the field of lacquerware manufacturing, and particularly discloses a flower-shaped lacquerware tire skeleton ring stacked tire manufacturing method which comprises the following steps: S1, material preparation: selecting a thin batten as a main material for manufacturing a tire skeleton, and selecting a radially cut wood which has certain flexibility and strength, has vertical wood grains and is not easy to crack as the wood; preparing a hot water container for softening the battens for more than 40 minutes; a bending die is designed and manufactured according to the needed flower shape and used for assisting wood strip bending forming, and the bending die has the space for slightly adjusting the size of a bending wheel after the wood strip is formed into the bending wheel; animal glue with high viscosity and reversibility is selected as an adhesive; according to the method, the bending mold is used for assisting the thin strips to be bent and formed, the bending angle of each layer of batten is controlled to meet the design requirement of the flower shape, the shapes of the thin strips are fixed through auxiliary tools such as clamps, and the thin strips are taken down after glue is preliminarily solidified, so that the required flower-shaped structure can be accurately molded, and the shape of the fetal bone meets the design expectation.

A sterilized PLA-collagen scaffold comprising animal collagen and a method for preparing a sterilized scaffold for medical use, the method comprising the steps of:i) Loading animal collagen to a fiber mesh containing fibers of polylactide polymer or copolymer (commonly denoted PLA) to obtain a PLA-collagen scaffold,ii) Drying the PLA-collagen scaffold obtained from step i),iii) Sterilizing the PLA-collagen scaffold obtained from the drying step ii) to obtain the sterilized scaffold.The sterilized scaffold obtained has improved biomechanical and physical properties compared with an unsterilized scaffold.

This invention belongs to the field of food processing technology, specifically relating to a high-gel egg white product, its preparation method, and its application. The method includes the following steps: mixing plant protein, animal collagen, and egg white liquid to obtain a mixture; enzymatically hydrolyzing the mixture with glucose oxidase to obtain an enzymatic hydrolysate; and microwaving the enzymatic hydrolysate under vacuum at low temperature to obtain the high-gel egg white product. The preparation method of the high-gel egg white product of this invention utilizes plant protein to stabilize the structure of the high-gel egg white powder, and adds animal collagen to enrich the functionality of the high-gel egg white powder. Simultaneously, the enzymatic hydrolysis of the mixture with glucose oxidase avoids the off-flavors produced by yeast desaccharification. Furthermore, the microwaving under vacuum at low temperature allows for protein dechaining during microwave modification of the raw materials, followed by cross-linking reactions, which significantly improves the gelling properties of the egg white product. This also significantly shortens the production cycle, reduces energy consumption, and improves efficiency.

The invention discloses a natural Chinese herbal medicine printing paste formula which is prepared from the following raw materials in parts by weight: 20-30 parts of Chinese herbal medicine powder, 30-50 parts of vegetable glue, 10-15 parts of animal glue, 5-10 parts of chitosan, 2-3 parts of citric acid, 3-5 parts of sodium chloride and the balance of water. The invention has the beneficial effects that the raw materials of the formula of the printing paste in the technical scheme are selected from natural, non-toxic and screened paste suitable for human skin to prepare the washable natural Chinese herbal medicine printing paste, and by applying the printing paste, the problem of skin allergy is effectively avoided, and meanwhile, the washable performance of a fabric is also improved; the printing ink is widely applicable to printing of various treatment and health care textiles in contact with skin.

The invention discloses brevibacillus laterosporus SCUT-BR-2 capable of producing collagenase and a method for applying the brevibacillus laterosporus SCUT-BR-2 to extraction of animal collagen / collagen peptide. The method specifically comprises the following steps: screening a bacterial strain capable of producing collagenase from a meat product, carrying out morphological observation, physiological and biochemical tests and determination, extracting collagen in animal skin by adopting a collagenase crude extract of the bacterial strain, and detecting the relative molecular weight and the like of the collagen; meanwhile, bovine bone collagen is decomposed by adopting the crude extract, and the bovine bone collagen peptide which is good in oxidation resistance and has anti-wrinkle, firming, soothing and moisturizing effects is obtained.

The invention discloses an animal collagen oral soluble membrane and a preparation method thereof, and relates to the technical field of traditional Chinese medicines and medicinal and edible preparations. The animal collagen oral soluble membrane comprises animal collagen, a filling agent, an adhesive, a penetration enhancer, a plasticizing forming agent and a seasoning component, and the animal collagen is prepared by the following steps: stirring a solution containing pepsin and diluted hydrochloric acid and the animal collagen in deionized water, then adjusting the pH value to 8-9 by using a sodium dihydrogen phosphate buffer solution, centrifuging, filtering, and drying to obtain the animal collagen oral soluble membrane. The small-molecule animal collagen is obtained and placed on the tongue, the small-molecule animal collagen can be rapidly dissolved and release medicine in saliva without drinking water, the compliance of a user can be greatly improved, the preparation process has low requirements on preparation instruments and low cost, large-scale industrial production is facilitated, no or little three wastes are generated, and the requirement for sustainable development is met. Good application prospects are realized.

The invention relates to a preparation method of a flax-based biological filler, which comprises the following steps: putting flax chips into an iron solution, fully stirring, transferring into a sealed low-vacuum container, fully soaking the flax chips in the iron solution, filtering the mixture, performing heat treatment at 450-850 DEG C in a nitrogen atmosphere, then performing heat treatment at 500-900 DEG C in a carbon dioxide atmosphere, and drying to obtain the flax-based biological filler. The flax magnetic biochar is obtained; mixing the flax magnetic biochar, sodium methyl cellulose and animal glue according to a mass ratio of (75-90): (8-20): (2-10), and preparing a magnetic particle filler; and modifying the surface of the magnetic particle filler by using a modifier to obtain the flax-based biological filler with the water content of 5-10%. The invention relates to application of a flax-based biological filler. The flax-based biological filler is applied to treatment of circulating aquaculture wastewater. The flax-based biological filler has the beneficial effects that the flax-based biological filler has an efficient pollutant removal effect and meets the current low-carbon and sustainable environmental governance requirements.

The invention provides a formulation for a pet chew, the formulation comprising plant derived collagen substitute and no animal derived collagen or animal collagen derivatives. That may be derived from Pea protein. The invention also provides a chew made from such a formulation. The invention further provides a method of making a pet chew comprising: combining and mixing the ingredients including plant derived collagen substitute and no animal derived collagen or animal collagen derivatives; forming that mixture to a desired shape; and cooking the formed chew.

This invention discloses a Bacillus laterosporus SCUT-BR-2 strain capable of producing collagenase and its application in the extraction of animal collagen / collagen peptides. Specifically, the method includes: screening collagenase-producing strains from meat products, and extracting collagen from animal skin using a crude extract of the strain's collagenase through morphological observation, physiological and biochemical tests, and determination; simultaneously, using this crude extract to decompose bovine bone collagen to obtain a bovine bone collagen peptide with good antioxidant properties and anti-wrinkle, firming, soothing, and moisturizing effects.

The invention discloses an implantable recombinant collagen particle and a preparation method thereof. In order to solve the problems that materials used in the field of soft tissue filling at present, such as animal collagen, sodium hyaluronate and the like, have good effects but still have the problems of low biological safety, cross-linking agent residues, short maintenance time and the like, the invention provides a medical beauty material. The implantable recombinant collagen particle is prepared by adopting a method of combining self-assembly and physical crosslinking, and the particle is an injectable milky opaque or colorless transparent gel after being added with a water solvent and completely swelled. The gel prepared by the invention has the characteristics of good biocompatibility, longer degradation period, simple preparation process, easiness in large-scale mass production and the like.

Chimeric collagen compositions and methods of their formation and use to repair damaged collagen-containing structures such as tendons are provided. The chimeric collagen differs from naturally occurring collagen in that it contains different collagens from two or more sources which form a hybrid collagen structure or tissue in a subject. The chimeric collagen composition can include collagen from two or more individuals of the same species, or collagen from two or more different species, or can contain a naturally occurring mammalian collagen and an engineered collagen. Use of the chimeric collagen compositions and methods can speed healing of damaged collagen-containing structures and promote mechanically stronger tendons and other structures than would result from natural healing.

The invention belongs to the technical field of medicine and food detection, and relates to a donkey hard bone glue characteristic polypeptide and a method for identifying donkey hard bone glue doping in an animal glue product by using the donkey hard bone glue characteristic polypeptide. Specifically, one donkey hard bone glue characteristic peptide fragment is obtained, the amino acid sequence is shown as SEQ ID NO: 1, the donkey hard bone glue characteristic peptide fragment has very high specificity, and rapid identification and detection of donkey hard bone glue components in animal glue products are achieved; according to the donkey hard bone glue characteristic peptide fragment and the detection method thereof, the whole method is simple to operate and accurate in judgment, and donkey hard bone glue and animal glue products can be accurately distinguished; meanwhile, the donkey hard bone glue characteristic peptide fragment and the detection method thereof provided by the invention are beneficial to quality control of animal glue products, and provide an effective technical means for identifying whether donkey hard bone glue is doped in the animal glue products or not.

The invention provides an activity detection method of an external protease preparation, which comprises the following steps: (1) dispersing the external protease preparation in a water-insoluble organic solvent to form a protease-containing dispersion system; (2) adding a buffer solution for extraction, so that the protease is transferred into the buffer solution from the water-insoluble organic solvent, and an extract containing the protease is formed; and (3) collecting and measuring the activity of the protease in the extract liquor so as to evaluate the activity level of the protease in the external protease preparation. The method disclosed by the invention can be used for testing the activity of an external preparation of protease, particularly testing protease ointments, animal collagen can be selected as a substrate, the structure of the animal collagen is consistent with that of human collagen, and the activity of the protease acting on a human body can be effectively reflected. The specific amino acid is adopted as a determination target, the titer of the high-activity protease can be accurately determined, the detection speed is high, and the method is suitable for production control.

The present invention provides a highly dispersible silver powder, a preparation method, and applications thereof. The method utilizes a simple liquid-phase reduction process to prepare the highly dispersible silver powder. Polyvinyl pyrrolidone, a readily available, water-soluble polymer, is used as the dispersant, eliminating the use of animal glues such as gelatin and bone glue, which are difficult to clean and would affect the conductivity of the silver powder. Furthermore, the amount of dispersant used is 13.3% to 15% of the mass of the reacted silver nitrate, far less than the commonly used amount of 20% to 40%. This significantly reduces the amount of dispersant used without affecting the dispersibility of the final silver powder, thereby significantly reducing the production cost of the highly dispersible silver powder.

The utility model relates to the technical field of separation and purification, and discloses a separation and purification device for animal collagen peptide, which comprises a base, an outer cylinder is fixedly arranged on the base, the top of the outer cylinder is in threaded connection with an upper cover, an output port is arranged on the side wall surface of the outer cylinder, and a motor is fixedly arranged in the base. The output end of the motor penetrates through the outer cylinder, extends into the outer cylinder and is fixedly provided with an inner cylinder, the side wall face of the inner cylinder is of a screen structure, containing plates are evenly and fixedly installed on the inner wall face of the inner cylinder in the axial direction, and containing parts are formed in the faces, opposite to the rotating direction of the inner cylinder, of the containing plates and are concave faces. According to the utility model, when the containing plate rotates along with the inner cylinder, the concave surface of the containing part also plays a role in partial separation, and materials with larger forms are intercepted in the containing part, so that the situation that the materials are attached to the inner wall surface of the inner cylinder to block the inner cylinder is reduced, and further, the materials are separated from the inner cylinder more easily, and the separation efficiency is improved.

The invention belongs to the technical field of ink ingots, and provides an ink ingot manufacturing method which comprises the following steps: step 1, stirring treatment: dissolving and mixing required raw materials of carbon black, animal glue and traditional Chinese medicines together, and then stirring and neutralizing all the mixed materials to complete the manufacturing of ink mud; 2, grinding treatment, wherein the mixed ink mud is ground through a grinding machine; 3, beating treatment is conducted, specifically, the ink mud is automatically beaten through a beating machine; 4, cutting treatment is conducted, specifically, the beaten ink mud is cut into segments through a cutting machine; 5, film pressing and forming are conducted, specifically, the cut ink mud is subjected to film pressing and forming through a film pressing machine; and 6, ink ingot storage, wherein the shaped ink ingot is stored. According to the ink ingot manufacturing method, semi-automatic preparation of the ink ingot is achieved, the preparation efficiency is high, the quality of the ink ingot is high, and follow-up use of the ink ingot is facilitated.

The utility model relates to an animal capsule or tablet dosing device which comprises a dosing cylinder and a push rod, a silica gel layer with a cross-shaped opening is arranged at the bottom of the dosing cylinder, the silica gel layer is in a closed state when not stressed so as to prevent capsules or tablets from making contact with animal body fluid, and the silica gel layer is in an open state when stressed so that the capsules or tablets can be smoothly pushed out. The push rod is inserted into the drug delivery cylinder through the top of the drug delivery cylinder, a brake sheet is arranged on the inner side of the top of the drug delivery cylinder, and a plurality of dents are formed in the surface of the push rod and used for being matched with the brake sheet to enable the brake sheet to abut against the dents so as to prevent the push rod from automatically sliding to the bottom of the drug delivery cylinder and causing capsules or tablets to be pushed out mistakenly.

The invention provides an additive capable of prolonging the airing time of cement-based ceramic tile glue and a preparation method thereof, and the preparation method comprises the following steps: pretreatment of animal glue: dissolving an alkaline substance in water to form an alkaline solution, heating, adding the animal glue into the alkaline solution, stirring, cooling to room temperature, titrating with diluted hydrochloric acid until the mixture is weakly acidic, and standing for 24 hours; a hydrolyzed animal glue solution is obtained; preparing a mixed solution, namely adding a slump retaining agent into the hydrolyzed animal glue solution, and uniformly stirring to obtain the mixed solution; preparing powder: pouring the mixed solution on a tray, drying for a certain time under a certain temperature condition, taking out to obtain a solid mixture, crushing, grinding, sieving, and uniformly mixing with an inhibitor and an anti-caking agent to obtain a finished product. The additive provided by the invention can effectively prolong the airing bonding strength of the cement-based ceramic tile adhesive, and has no influence on slippage of ceramic tiles, the raw material components and the preparation process are relatively simple, and no harmful substances are generated in the whole preparation process.

The present invention provides an aqueous polyurethane dispersion for improving the color fastness of printed fabrics, as well as its preparation method and use. The aqueous polyurethane dispersion grafts dye molecules onto molecular chains during the prepolymerization stage, creating a synergistic effect with animal glue added before chain extension to enhance the bonding between the dye and the molecular chains, achieving high color fastness requirements for printed fabrics. The addition of stearates further enhances the color fastness and smoothness of the printed fabrics.

The invention relates to the technical field of glue processing, in particular to a strong glue processing method. Comprising the following steps: step 1, paving a breathable fabric, and paving a first layer of isolating membrane at the upper end of the breathable fabric; 2, the animal glue is laid on the first layer of isolating membrane, water is sprayed to the animal glue, and the animal glue is covered with a second layer of isolating membrane; step 3, impacting the second isolating membrane to crush the animal glue until the animal glue becomes liquid glue; and step 4, scraping the liquid glue on the isolating membrane onto the breathable fabric, adding water and perfume into the container, and enabling water vapor to pass through the breathable fabric so as to realize aroma enhancement of the animal glue.

The invention relates to the technical field of high polymer materials, in particular to PAM / PVA hydrogel for removing an animal glue layer in cultural heritage protection and a preparation method of the PAM / PVA hydrogel. The preparation method comprises the following steps: mixing an acrylamide monomer solution, a polyvinyl alcohol solution and a cross-linking agent solution to obtain a hydrogel precursor; and mixing the hydrogel precursor, an initiator solution and a catalyst solution, and carrying out polymerization and curing to obtain the hydrogel. A hydrogel network is induced to generate microstructure phase change from a disordered amorphous state to a highly ordered crystalline state by regulating and controlling the critical concentration of an acrylamide monomer, the obtained hydrogel shows an anti-conventional storage modulus (G ') thermotropic enhancement characteristic at the working temperature of 45 DEG C, and the loss tangent (tan delta) is as low as 0.10; meanwhile, the water retention capacity is excellent (the water loss rate in 60 minutes is only 21%). The hydrogel can be used for carrying out controllable softening and residue-free removal on aged animal glue layers on the surfaces of ancient books, paintings and furniture under a heating condition.

The invention belongs to the field of biological engineering and biological materials, and provides a recombinant human III-type collagen which comprises an N-terminal sequence and a C-terminal sequence, the N-terminal sequence comprises a repetitive unit, and the amino acid sequence composition of the repetitive unit is shown as SEQ ID NO: 1 in a sequence table; the amino acid sequence composition of the C-terminal sequence is as shown in SEQ ID NO: 2 in the sequence table. The recombinant human III-type collagen provided by the invention basically does not contain endotoxin after being purified, and can be self-assembled into collagenous fibers, and the activity of the collagen is equivalent to that of naturally extracted animal collagen.

The present invention relates to a non-animal organism expressing a collagen that naturally occurs extracellularly in one or more animal species. Furthermore, the invention refers to methods for preparing such collagen and for preparing a comestible nutrient product comprising such collagen obtained from a method of the present invention.

To provide a blended yarn that can be manufactured using 100% or approximately 100% animal hair and is less likely to cause snarl.SOLUTION: A blended yarn contains animal hair fibers and water-soluble vinylon fibers having 60°C or more of melting temperature. The blended yarn has English cotton count of 5 to 40, twisting coefficient of 3.0 to 6.0, and a snarl value of 6.5 or less. The animal hair fiber of the blended yarn is preferably sheep wool.SELECTED DRAWING: None