13 results about "Starch acetate" patented technology

The invention relates to the technical field of flour product preparation, and discloses a sturgeon flour product with physical barrier characteristics and a preparation method thereof. The sturgeon flour product comprises the following raw materials: wheat flour, sturgeon cartilage gelatin and / or sturgeon meat and a physical barrier enhancer, the physical barrier enhancer is prepared from a kelp aqueous extract, milk mineral salt, a curdlan-starch acetate compound and glutamine transaminase. The physical barrier in the sturgeon flour product can be strengthened, nutrition and flavor components in the sturgeon flour product are not prone to loss, the liquid soaking resistance and mechanical strength of the sturgeon flour product can be improved, and when the sturgeon flour product serves as edible flour products such as a stirring rod and a suction pipe, the structural integrity can be maintained after the sturgeon flour product is soaked in a liquid environment for a long time.

The invention discloses a polylactic acid woven fabric slashing process. The slashing process comprises a warp pretreatment process, a size mixing process, a slashing process and a drying process, the slurry contains starch modified polylactic acid, starch acetate, ethylene glycol, an emulsifier, ammonium dihydrogen phosphate, paraffin, an antistatic agent and a dopamine modified polylactic acid copolymer; the warp yarn is subjected to double dipping and double rolling through a double-size-tank sizing machine, size prepared through the size mixing procedure is injected into a size tank, and the temperature of the size tank is 55-60 DEG C; and performing wet leasing on the sized warp yarns, and drying the warp yarns under the condition of 55-60 DEG C. The polylactic acid filament warp beam is pretreated firstly, then sizing is conducted through the sizing agent containing the modified starch / polylactic acid graft copolymer, the starch acetate and other substances, the method can be suitable for low-temperature sizing of polylactic acid, and the sizing effect can be improved and the end breakage rate can be reduced on the premise that the strength of the polylactic acid filament is not reduced.

The application provides a kind of power cable protection pipe and its preparation process, belong to power cable pipe material technical field, comprising the following steps: S1, preparation organic-inorganic hybrid flame-retardant material;S2, preparation thermoplastic starch acetate;S3, thermoplastic starch acetate, polypropylene, maleic anhydride grafting poly (ethylene-octene) are dehumidified and dried, melt blending, continue to melt blend by adding organic-inorganic hybrid flame-retardant material, granulation, extrusion molding to obtain power cable protection pipe.The application can improve the flame retardancy, improve the toughness and weather resistance at the same time.

The invention discloses a special binder for a granulated fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer additives, and the method comprises the following steps: taking corn starch as a raw material, carrying out acetic anhydride esterification to prepare starch acetate, and carrying out graft copolymerization on the starch acetate, acrylic acid and acrylamide monomers to form a starch graft polymer solution; then coating the surface of the acid-activated zeolite with chitosan through electrostatic self-assembly to obtain chitosan-modified zeolite, and finally mixing a starch grafted polymer solution with a chitosan-modified zeolite suspension, curing, drying and crushing to obtain the binder. An organic-inorganic hybrid structure is constructed through a flexible network of the starch grafted polymer and a rigid framework of the chitosan modified zeolite, a stable three-dimensional network is formed by utilizing multiple intermolecular acting force, the strength, pulverization resistance and slow release performance of fertilizer particles can be synchronously improved, and the preparation method is suitable for high-nitrogen compound fertilizer granulation and has a wide application prospect. The problem of bonding failure caused by ammonia release can be effectively solved, and the method has the advantages of good stability, environmental friendliness and simple and convenient process.

The invention discloses a compound modifier, a rice product and a preparation method of the rice product, the compound modifier comprises starch acetate, distarch phosphate and acetylated distarch phosphate, and the mass ratio of the starch acetate to the distarch phosphate to the acetylated distarch phosphate is 1: (0.5-2): (1-3). The starch acetate, the distarch phosphate and the acetylated distarch phosphate are all obtained by modifying cassava starch. After the compound modifier is used, the rice product is higher in curing efficiency and stable in gelatinization effect. By using multi-source ingredients and combining with a starch branched chain modification technology, the proportion of a double-helix crystalline region is increased while molecular chain arrangement in starch gel is adjusted, so that the gel quality is enhanced, and the industrial problem that the product quality is easy to deteriorate is solved.

The invention discloses a coating method of a colon targeted delivery drug. The method disclosed by the invention comprises the following steps: embedding a medicine coating by utilizing a mixture of starch acetate and gutta-percha; the medicine coating is obtained by coating a medicine with an inner coating material; and the inner packaging material is selected from beta-cyclodextrin, gamma-cyclodextrin, hydroxypropyl-beta-cyclodextrin, chitosan or a chitosan derivative. The release rate of the embedded medicine prepared by the method in gastric juice does not exceed 10%, and the release rate of the embedded medicine in intestinal juice exceeds 30%. Targeted delivery of the medicine in the colon is effectively achieved, toxicity of the medicine to cells is reduced, and excellent biocompatibility is shown.

The invention discloses animal feed capable of improving animal immunity and a preparation method of the animal feed. The feed is prepared from the following raw materials: 40 to 50 parts of corn flour, 20 to 30 parts of bean cakes, 10 to 20 parts of sweet potato powder, 10 to 20 parts of plant extract, 5 to 10 parts of cottonseed hulls, 2 to 10 parts of hawthorn fruit powder, 10 to 20 parts of starch acetate, 4 to 8 parts of fish meal, 3 to 5 parts of herba portulacae, 4 to 6 parts of astragalus polysaccharide, 0.5 to 1.2 parts of ginseng polysaccharide, 0.01 to 0.05 part of microecological preparation, 0.1 to 0.5 part of iodine-containing table salt, 0.01 to 0.05 part of soluble ferric salt, 0.02 to 0.05 part of soluble copper salt and 0.02 to 0.05 part of soluble zinc salt. The microelements are added into the raw materials of the feed, so that the dispersity of the microelements in the feed is high, the utilization rate of the feed is high, the optimal raw material adding proportion is calculated by adopting the quantum ant colony algorithm, the quality of the feed is improved, and the immunity of animals is improved when the animals eat the feed.

The invention relates to the technical field of adhesives, and provides an anti-bulge degradable leather plastic adhesive and a preparation method thereof.The anti-bulge degradable leather plastic adhesive is designed by adopting an epoxy-terminated polyurethane emulsion as a main body and adopting a composite formula of a fluorine-free polar modified epoxy compound dispersion liquid, starch acetate, a silane compound and cellulose nanocrystals as auxiliary materials. Through the processes of prepolymerization, end group sealing, modification reaction, cross-linking curing and the like, the synergistic effect among the components is realized, and the excellent performances that the interface bonding strength is greater than or equal to 12MPa, the water vapor transmission rate is less than or equal to 280g per square meter per day and the water absorption rate is less than or equal to 4.0% are realized; the technical problems that a traditional adhesive is poor in anti-swelling performance, insufficient in bonding strength and poor in water resistance are solved, and wide industrial application value is achieved.

The invention relates to the technical field of food processing, in particular to lactic-acid-containing tapioca balls and a preparation technology thereof.The lactic-acid-containing tapioca balls are composed of 40%-50% of cassava starch, 9%-15% of starch acetate, 4.5%-8% of a flavor modifier, 0.3%-0.5% of a structure stabilizer, 0.2%-0.3% of lactic acid, 0.25%-0.6% of gamma-polyglutamic acid and the balance water; the flavor improver comprises modified brown sugar, mogroside and modified bamboo charcoal powder. In order to solve the problems that the tapioca pearls are single in taste and difficult to coexist in fineness and chewiness, the tapioca pearls containing lactic acid provided by the invention not only improve the flavor level of the tapioca pearls, but also realize comprehensive improvement of the chewiness, fineness, freeze-thaw stability and shelf life of the tapioca pearls, can keep the taste and texture at low temperature, and are suitable for market promotion.

The invention discloses a preparation method of functional low-sugar rice noodles, which comprises the following steps: mixing early indica rice and low-sugar rice with high resistant starch content, fermenting, grinding into thick liquid, adding a certain amount of corn starch, and mixing, adding edible gum such as curdlan, konjac glucomannan, carrageenan, xanthan gum and guar gum, and modified starch such as hydroxypropyl starch, starch acetate and phosphate starch for size mixing; performing one-time gelatinization forming by using a full-automatic single-screw rice flour machine after uniform size mixing, and aging in an environment with constant temperature and constant humidity; and drying the aged rice noodles at different constant temperatures in a gradient manner, and packaging the dried rice noodles in proper packaging bags. And sterilizing the packaged functional low-sugar rice noodles in a high-temperature environment, and cooling to obtain the finished functional low-sugar rice noodles.

The invention belongs to the technical field of fertilizers, and discloses a carbon-based slow / controlled-release fertilizer as well as a preparation method and application thereof. The preparation method of the carbon-based slow / controlled-release fertilizer comprises the following steps: mixing biochar, peroxyacetic acid oxidized lignin, starch acetate, an acidic catalyst and a solvent to obtain a mixed solution, adjusting the pH value of the mixed solution, and carrying out a cross-linking reaction to obtain a compound; mixing the compound, urea and a solvent, carrying out a first reaction, mixing a product obtained after the reaction, kaolin and polyvinyl alcohol, and carrying out a second reaction, so as to obtain a urea-loaded compound; and mixing the urea-loaded compound, tetraethoxysilane, hexadecyltrimethoxysilane and a solvent, and carrying out a hydrolysis reaction to obtain the carbon-based slow / controlled-release fertilizer. The carbon-based slow / controlled-release fertilizer effectively reduces the release rate of urea, reduces the dissolution of nutrients and improves the controlled-release performance.

The invention relates to the technical field of adhesives, and discloses a low-temperature-resistant casein starch adhesive and a preparation method thereof.The low-temperature-resistant casein starch adhesive is prepared from, by weight, 100 parts of casein, 20-46 parts of starch acetate, 18-40 parts of polyvinyl alcohol, 35-50 parts of urea, 2-6 parts of siloxane cross-linking agent and the like. The siloxane cross-linking agent contains a large amount of epoxy groups and can react with amino groups of casein, hydroxyl groups of starch acetate and hydroxyl groups of polyvinyl alcohol, so that the cross-linking degree and cohesion of the casein starch glue are improved, and the adhesive has higher peel strength and adhesive property. After low-temperature and high-humidity treatment, the casein starch glue still has higher peel strength and excellent low-temperature and moisture resistance.

The invention discloses a feed additive for preventing and treating bacterial enteritis of poultry and a preparation method of the feed additive, and relates to the technical field of feed additives. The feed additive comprises the following raw materials: benzoic acid, a coating material, a synergist and an essential oil component, the synergist is prepared by mixing malic acid and fumaric acid; the essential oil component is prepared by mixing thymol, eugenol, oregano essential oil, trans-anethole and piperine; the coating material is prepared from hydroxypropyl methyl cellulose, starch acetate and glyceryl monostearate. The preparation method of the feed additive comprises the steps of preliminary mixing, coating material preparation and finished product feed additive preparation. The prepared feed additive is good in benzoic acid slow-release effect, excellent in antibacterial ability and capable of effectively inhibiting bacterial enteritis of poultry.