118 results about "Linseed oil" patented technology

The invention provides linseed oil rich in vitamin E and capable of enhancing linolenic acid activity and a preparation method of the linseed oil, and belongs to the technical field of edible oil processing. The preparation method of the flaxseed oil comprises the following steps: mechanically polishing and degumming flaxseeds, and then carrying out microwave thermal refining and low-temperature squeezing to obtain virgin flaxseed oil and a squeezed cake; adsorbing and deacidifying the primary oil through modified diatomite to obtain refined oil; carrying out ethanol solution ultrasonic extraction and supercritical CO2 extraction on the pressed cake to obtain a high-purity vitamin E extract; and finally, mixing the extract with the refined linseed oil to obtain the linseed oil. Through the whole-process low-temperature, physical adsorption and efficient extraction and purification process, the retention rate and enrichment degree of vitamin E are remarkably improved, meanwhile, nutritional ingredients such as alpha-linolenic acid are effectively protected, use of synthetic antioxidants is avoided, and the product has the advantages of being high in oxidation stability, good in safety, excellent in sensory quality and the like and is suitable for industrial production. The edible oil is suitable for being used as a nutritional supplement, edible oil or food additive.

The invention discloses diglyceride composite edible oil assisting in reducing blood sugar and blood fat and a preparation method thereof, and relates to the technical field of functional edible oil. The diglyceride composite edible oil for assisting in reducing blood sugar and blood fat is prepared from the following raw materials in parts by weight: 40 to 60 parts of high-purity diglyceride oil, 2 to 3 parts of modified flaxseed oil micro powder, 2 to 3 parts of modified camellia oleosa seed oil microcapsule powder, 5 to 8 parts of perilla seed oil, 2 to 5 parts of phytosterol ester, 1 to 3 parts of resistant dextrin, 0.1 to 0.5 part of rosemary extract and 0.05 to 0.15 part of potassium citrate. The compound edible oil is scientific in formula, and the high-purity diglyceride oil is used as a core and matched with various functional components such as the modified flaxseed oil micro powder to synergistically play a role in assisting in reducing blood sugar and blood fat. Through an exclusive modification process, gradient high-pressure homogenization and other standardized preparation processes, the stability and dispersion uniformity of the components are improved, the absorption rate of the active components is high, the storage life is long, no artificially synthesized additive is added, the food is safe to eat, and practicability and health are both considered.

Natural turmeric and hibiscus inks were developed for use on fabrics and writing surfaces. Ethanolic extracts of turmeric and hibiscus were obtained and formulated with environmentally friendly mordants such as ferrous sulfate, ascorbic acid, and apple cider vinegar, and thickeners such as linseed oil and aloe vera. These treatments were tested on fabric, filter paper, and notebook paper. Color and color loss were evaluated using the Paint program when exposed to sunlight and washing (in the case of fabric), comparing the RGB and Hex pixel values ​​obtained before and after sun exposure and washing. The degree of similarity was assessed using a digital Color Matcher Tool with the Hex and RGB data. Once the best treatment with the aforementioned mordants was determined, the ink formulation was developed using thickeners such as gelatin, alginate, cornstarch, and honey.It has a pleasing color and good consistency for use on fabric and paper. It's possible to create inks for writing and dyeing fabrics with readily available ingredients, thus contributing to environmental protection.

The application discloses a method for preparing an oat-based beverage through biological enzymolysis and a product thereof, and comprises the following steps: continuously hydrolyzing starch, cellulose, protein and other substances in oat slurry by using high-temperature-resistant amylase, cellulase, saccharifying enzyme, papain and alkaline protease, sufficiently releasing reducing substances in the oat, simultaneously generating reducing peptides, improving the free radical scavenging capacity of the oat slurry, and improving the emulsification stability of the oat slurry due to the moderate degradation of macromolecular substances such as starch, cellulose and protein; glycerol is added in three stages at a controlled speed, so that the glycerol is fully mixed with flaxseed oil, and excessive glycerol is avoided from adhering to lipase to reduce the activity of the enzyme, thereby improving the reaction efficiency.

The invention discloses an artificial feed for efficient propagation of low-age larva parasitic wasps of prodenia litura. The artificial feed is prepared from the following raw materials: agar powder, soybean meal, sweet potato vines with leaves, yeast powder, wheat germs, sodium benzoate, vitamin C, multivitamins, linseed oil, chlortetracycline hydrochloride soluble powder and the like. The artificial feed is used for feeding 2-5-year-old prodenia litura larvae parasitized by parasitic wasps, and the pupation rate and eclosion rate of the parasitic wasps can both exceed 93%.

The invention relates to the technical field of anti-rust materials, and discloses a metal anti-rust additive, an anti-rust agent and a preparation method of the metal anti-rust additive and the anti-rust agent. Comprising the following components in parts by weight: 30-50 parts of an organic carboxylic acid derivative, 10-25 parts of a heterocyclic compound, 15-30 parts of a silane coupling agent, 3-8 parts of an antioxidant, 1-3 parts of an organic-inorganic hybrid nanofiller, 1-3 parts of a pH-responsive self-repairing microcapsule and an organic solvent, the organic-inorganic hybrid nano filler is composed of silane coupling agent modified nano SiO2, and the pH response type self-repairing microcapsule takes chitosan as a shell material and takes a mixture of phytic acid, dodecenylsuccinic acid, benzotriazole and linseed oil as a core material. The metal antirust additive provided by the invention solves the problem that the existing metal antirust additive is difficult to realize long-acting antirust protection of metal products while ensuring an ultrathin oil film.

The invention relates to an environment-friendly soil stabilizer which comprises the following components in parts by weight: 10-40 parts of modified polylactic acid, 30-60 parts of wheat straw liquid, 5-20 parts of colloid, 30-60 parts of linseed oil, 15-20 parts of sodium alginate, 10-12 parts of rosin, 25-50 parts of filler and 1-2 parts of sucrose. By adopting the technical scheme, natural components in the wheat straw liquid are combined with a film formed by polylactic acid, so that the crack resistance and durability of soil can be enhanced, the moisture retention capacity of the soil can be improved, and the environmental protection property of the soil stabilizer can be improved by mixed use; the colloid improves the stability and moisture retention capacity of soil, the linseed oil improves the overall structural stability and cohesiveness of the soil and reduces soil cracking, the sodium alginate improves the cohesiveness and overall stability of the soil, the sodium alginate can help to reduce the cracking of the soil and reduce the influence of soil exposure cracking, and the rosin improves the hardness and the adhesiveness, so that the anti-cracking performance of the soil is improved. The cane sugar serving as a component of the soil stabilizer can enhance the cohesiveness and stability of the soil, promote the microbial activity and improve the soil structure at the same time.

The invention discloses a black pepper extract-containing composition capable of promoting intestinal digestion and absorption and a cat food, and relates to the technical field of animal foods.The composition is prepared by compounding fish oil, krill oil, sunflower seed oil and linseed oil according to a specific proportion based on compound functional grease and natural plant extracts in a scientific proportion; according to the invention, the ratio of omega6 fatty acid to omega3 fatty acid is optimized to an ideal range of (2.5-3.2): 1, black pepper extract with functions of promoting digestion and regulating flora is synergistically added, and through combination of scientifically proportioned functional components and an advanced process, an'intestinal tract-microorganism-metabolism 'experiment verifies that digestion and absorption of cat nutrition are realized, and the effect of promoting digestion and regulating flora is achieved. Meanwhile, the multi-dimensional and systematic improvement of oxidation resistance, inflammation resistance, immunity improvement and metabolism functions is achieved.

The application discloses a method for simultaneously producing five components in flaxseed, comprising the following steps: (1) preliminarily extracting flaxseed gum and lignan from flaxseed; (2) preparing flaxseed oil by cold pressing of degummed flaxseed through a hydraulic oil press; (3) performing skin kernel separation on the degummed and defatted flaxseed; (4) crushing the flaxseed skin after the skin kernel separation to extract flaxseed gum and flax lignan again; (5) preparing flaxseed oil again from the flaxseed kernel after the skin kernel separation; (6) extracting flaxseed protein from the defatted flaxseed kernel; (7) separating flax cyclic peptide from the flaxseed oil prepared twice; and (8) extracting flax cyclic peptide again from the defatted and deproteinized flaxseed kernel. The method is interlocked, the preliminary extraction or preparation of partial components provides favorable conditions for the flaxseed skin kernel separation, and after the flaxseed skin kernel separation, the extraction or preparation rate of the components and other components is improved, the components are complementary, the method has low cost, simple and easy-to-operate process, is green and environment-friendly, can be produced on a large scale, and in addition, the five components are simultaneously produced, so that the added value of the flaxseed is greatly improved.

The invention relates to a camellia oil-containing gel candy and a preparation method thereof, the camellia oil-containing gel candy comprises a candy body and stuffing, and the candy body is prepared from the following components in parts by weight: 30-40 parts of gelatin, 15-20 parts of purified water, 5-10 parts of glycerol and 40-50 parts of sorbitol; the stuffing is prepared from the following components in parts by weight: 38 to 42 parts of camellia oil, 33 to 37 parts of linseed oil and 23 to 27 parts of hemp seed oil. Through the unique structural design (double-layer stuffing) and formula, different functional components can be accurately released in different parts of the intestinal tract, so that the dual effects of regulating intestinal flora and relieving constipation are realized.

The utility model relates to the technical field of linseed oil decoloring, and discloses a linseed oil decoloring device which comprises a tank body, a feeding pipe is fixedly connected in the tank body, a cover plate is arranged on the inner wall of the tank body, a fixed box is fixedly connected to the outer wall of the tank body, a worm is rotationally connected in the fixed box, and a worm is arranged on the worm. A worm is fixedly connected to the outer wall of the tank body, a handle is fixedly connected to the outer wall of the worm, a worm gear is connected to the tooth end of the worm in a meshed mode, a connecting rod is fixedly connected to the interior of the worm gear, a gear body is fixedly connected to the outer wall of the connecting rod, a rack is connected to the tooth end of the gear body in a meshed mode, and a stirring assembly is arranged in the tank body. According to the utility model, through the cooperation of the fixed box, the handle, the worm, the worm gear, the connecting rod, the gear body and the rack, the mounting and dismounting of the cover plate are simplified, so that the operation intensity of workers is reduced, meanwhile, the workers can conveniently clean, maintain or replace internal parts of the tank body, and the overall service life of the device is further prolonged.

The invention discloses a preparation method of torreya grandis gel candies with an effect of reducing total cholesterol. The invention belongs to the technical field of functional food, the Chinese torreya oil and the flaxseed oil have a synergistic effect, and after the Chinese torreya oil and the flaxseed oil are compounded, the blood fat metabolism can be effectively regulated, the total cholesterol level can be reduced, and the content of high-density lipoprotein cholesterol can be increased; the Chinese torreya oil is extracted through a low-temperature pressing process, the linseed oil is prepared through a cold pressing process, active components in the raw materials are reserved to the maximum extent, and meanwhile, the stability and uniformity of functional components in the product are ensured by combining a feeding pump filtering process and a rolling die shaping process; by optimizing the formula and the preparation process of the gel matrix, the product has good elasticity and chewing feeling, is convenient to carry and take and is suitable for daily use. The health-care food does not contain artificially synthesized additives, all the raw materials are natural sources, and the health-care food is suitable for patients with hypercholesterolemia and crowds needing to regulate blood fat, and has relatively high safety and market promotion value.

The present application relates to a kind of fat powder for reducing weaning piglet dead rate and its preparation method and application, and the composite lipid in the preparation raw material of fat powder includes 1,3-di-oleic acid-2-palmitic acid triglyceride, 24 degrees palm oil, rice bran oil, coconut oil, linseed oil, caprylic triglyceride, capric acid triglyceride, alpha-lauric acid monoglyceride and tributyrin.The present application develops the fat acid composition close to pig milk fat structure, let piglet continue lactation period in weaning period to enable approach mainly with lipid, meet the compound energy demand of fast, medium and slow, avoid falling into energy potential difference;And the specific combination of medium and short chain fatty acids, both can improve the energy efficiency of weaning piglet, also have bacteriostatic disease characteristics, can improve the immunity of piglet, reduce the diarrhea rate.This composite lipid overcomes the problem such as piglet energy deficiency and indigestion caused by single raw material oil due to unsuitable lipid structure, can significantly reduce weaning stress, reduce the diarrhea rate and dead rate.

The invention discloses a preparation method of regenerated cellulose fibers containing linseed oil and collagen. The preparation method comprises the following steps: S1, preparing a linseed oil microcapsule solution; s2, preparing a collagen solution; s3, blending the linseed oil dissolving solution, the collagen solution and the viscose spinning solution; s4, spinning; s5, solidification and curing; s6, carrying out post-treatment; the olein viscose fiber is obtained. The problems of poor solubility and dispersibility of the linseed oil and the collagen are solved, and the linseed oil and the collagen can be uniformly distributed in a solution, so that the combination effect of the linseed oil and the collagen with the regenerated cellulose fibers is improved; by adopting a microcapsule technology, the linseed oil and the collagen are wrapped, so that the loss of the linseed oil and the collagen can be reduced, and the utilization rate is increased; by compounding the linseed oil and the collagen with the regenerated cellulose fiber, the fiber can be endowed with better free radical scavenging, anti-oxidation and moisturizing properties.

This invention discloses a method for preparing high-performance wood wax oil, belonging to the field of coating technology. The raw materials used in this wood wax oil are soybean oleic acid, maleic anhydride, grafting catalyst, glycerol, phthalic anhydride, esterification catalyst, vanadium drier, zirconium drier, carnauba wax, and beeswax. Compared to wood wax oils based on tung oil and linseed oil, the wood wax oil of this invention uses soybean oleic acid as the main material, utilizing maleic anhydride to perform graft copolymerization at the α-position of the carbon-carbon double bond in soybean oleic acid, thereby increasing the iodine value of the resin system. Increased iodine value leads to increased crosslinking points, thus ensuring drying properties and improving the hardness, drying performance, and yellowing resistance of the wood wax oil; weather resistance is significantly improved, and drying time is accelerated; no heavy metal driers such as cobalt and manganese are added, making it environmentally friendly; the preparation process of the wood wax oil of this invention is simple and easy to operate, with low material costs.

The utility model relates to the technical field of linseed oil production, and discloses linseed oil dewaxing, crystallizing and crystal growing equipment which comprises a filter box, a box cover is installed at the top end of the filter box, a feeding pipe is fixedly connected to the top end of the box cover, a storage box is fixedly connected to the bottom end of the box cover, a rotating assembly is arranged at the top end of the box cover, and the rotating assembly is fixedly connected with the storage box. The top end of the box cover is provided with a transmission assembly used for driving the rotating assembly to rotate, the outer side end of the filter box is provided with a translation assembly, and the bottom end of the translation assembly is provided with a telescopic assembly used for cleaning crystals. According to the flaxseed oil filter plate, the filter plate can be cleaned in time while wax and crystals in flaxseed oil are continuously filtered on the filter plate, so that filter holes of the filter plate are prevented from being blocked by the wax and the crystals, the influence on the efficiency of filtering the wax and the crystals in the flaxseed oil is avoided, and the production efficiency of the flaxseed oil is improved.

The invention discloses medicinal and edible homologous juice-exploded mushroom pastry stuffing and a production process thereof, and belongs to the technical field of food processing. The production process provided by the invention comprises the following steps: carrying out ultrasonic-assisted wall breaking on the mushroom composition, and carrying out colloid mill wall breaking treatment on the traditional Chinese medicinal material composition to obtain medicinal material homogenate; heating flaxseed oil microcapsules, sequentially adding seasonings, the pretreated mushrooms and the medicinal material homogenate, and stir-frying to obtain a stuffing base material; performing ultrahigh-pressure sterilization on the stuffing base material, cooling, and mixing with fresh frozen fish particles and spiced beef particles; and finally performing vacuum packaging and freezing. Active ingredients are efficiently released through a synergistic wall breaking technology, flavor and nutrition are protected by utilizing a microencapsulation technology, and ultrahigh-pressure sterilization and specific texture design are combined, so that the prepared stuffing is high in active ingredient dissolution rate, good in oxidation stability and excellent in flavor retention, has a unique'juice explosion 'taste and a shelf life of 18 months or more, and is suitable for industrial production. The method is of great significance to food safety and quality guarantee.

The application belongs to the field of material preparation, and particularly relates to a method for in-situ synthesis of microcapsules by enzyme catalysis and application thereof in anticorrosive coatings. The method specifically comprises the following steps: firstly, preparing a cellulose nanocrystal dispersion liquid and an emulsion of flaxseed oil containing cembrene; ultrasonic dispersing the emulsion, and then performing magnetic stirring to obtain a Pickering emulsion; adding hydrogen peroxide and horseradish peroxidase solution into the Pickering emulsion, and stirring and reacting; and performing freeze-drying on the emulsion after the reaction is completed to obtain cellulose nanocrystal microcapsules. The application uses an enzyme catalysis method to prepare microcapsules with an anticorrosive function, and the synthesized microcapsules do not contain harmful substances such as formaldehyde and are environmentally friendly. The synthesized microcapsules have good stability, can be easily dispersed in an aqueous solution, can be used as a carrier of healing reagents for water-based anticorrosive coatings, and have a simple preparation method, controllable size and suitability for large-scale production.

A meat core is formed by baking young pigeon meat and chicken, functional components such as deep sea fish oil, linseed oil and the like are embedded in a wall material containing cranberry powder, chicory roots, lactoferrin and zinc to form a functional coating to wrap the meat core, and a vacuum freeze drying technology is combined, so that the activity of the functional components is effectively protected, and the release performance is improved; zinc ions are supplemented, so that the antibacterial property and the stability are enhanced, and the hair health is promoted. The outermost layer of the cat food adopts the chicken liver powder, the valerian extract and chitosan to form a barrier oil film, oxidation is remarkably delayed, the shelf life is prolonged, meanwhile, the chicken liver powder and the valerian extract are used for improving the food calling effect and the emotion relieving effect, and the palatability is further improved. Unification of functional activity protection, texture optimization and product stability is realized.

The present invention relates to a frozen confection product comprising vegetable oil, sweeteners, and powdered ingredients selected from plant proteins, and hydrocolloids, and, the hydrocolloids are present in an amount of 0.17 to 1.0 wt.%, based on weight of frozen confection product; and the hydrocolloids are selected from xanthan gum, agar-agar, locust bean gum, konjac gum, konjac fiber, guar gum, glucomannan or mixtures of two or more thereof; and the vegetable oil is selected from the group consisting of cottonseed oil, corn oil, groundnut oil, linseed oil, olive oil, rapeseed oil, rice bran oil, sesame oil, safflower oil, soybean oil, sunflower oil, their corresponding high oleic varieties, and mixture of two or more thereof. It further relates to a process for preparing such a frozen confection product.

The invention provides high-performance epoxy zinc-rich antirust paint and a preparation method thereof, and belongs to the technical field of epoxy zinc-rich antirust paint. The coating comprises the following raw materials in parts by mass: 30-40 parts of modified epoxy resin, 0.3-0.6 part of a dispersing agent, 1.0-1.8 parts of a thixotropic agent, 50-60 parts of flaky zinc powder, 15-25 parts of glass flakes, 5-8 parts of nano nickel-titanium alloy powder, 3-5 parts of superfine ferrophosphorus powder, 0.3-0.6 part of a drier, 0.5-1.5 parts of an adhesion promoter and 3-8 parts of a solvent. The preparation method of the modified epoxy resin comprises the following steps: mixing linseed oil fatty acid with a reflux solvent, adding bisphenol A epoxy resin, and stirring and dissolving to obtain a mixture A; adding a catalyst zinc oxide and maleic anhydride into the mixture A, and carrying out esterification reaction to obtain a mixture B; after the mixture B is cooled, diluting with a solvent, and filtering to obtain modified epoxy resin; and through optimal matching of the scaly zinc powder, the glass flakes and the nano nickel-titanium alloy powder, the synergistic corrosion resistance and the salt spray resistance of the coating are improved, and the protection life is prolonged.

The present application relates to the medical technology field, especially to a kind of traditional Chinese medicine composition for osteoarthritis and preparation method thereof, and the inventor combines the characteristics of TCM syndrome differentiation and treatment and holistic concept, and summarizes a traditional Chinese medicine composition for treating knee osteoarthritis, which is prepared from the following components in parts by mass: angelica 10-14 parts, safflower 8-12 parts, frankincense 4-6 parts, myrrh 4-6 parts, redwood 8-10 parts, borneol 0.2-0.4 parts, and linseed oil 22-30 parts.The traditional Chinese medicine composition can be directly used externally according to the use method of traditional Chinese medicine prescription, and has good efficacy and patient adaptability according to the clinical trials of the inventor, can effectively treat joint pain problems of patients with osteoarthritis, and has no toxic side effects.The process of the present application is simple, and has good operability and wide application prospect.

The invention discloses a scald ointment for diminishing inflammation and swelling and promoting healing and a preparation method thereof. The emu oil is prepared from the following raw materials: peony seed oil, borage oil, evening primrose oil, perilla seed oil, shea butter, rose hip oil, emu oil, linseed oil, coconut oil, palm oil, horse oil, zedoary turmeric oil, safflower seed oil, pine needle oil, a paniculate spotflower herb alcohol extract, a paniculate spotflower herb water extract, lygodium japonicum, polygonatum polysaccharide, a blackberry lily extracting solution, a jerusalem artichoke extracting solution, a lavender extracting solution and a rhodiola rosea extracting solution. The formula comprises a radix zanthoxyli extracting solution, lanolin, methylparaben, granular paraffin and ethanol. The traditional Chinese medicine composition is natural and mild in components, small in skin irritation, safe to use, capable of deeply permeating, locking moisture, rapid in effect taking and capable of remarkably inhibiting inflammatory response, relieving tissue redness and swelling, shortening the healing period, providing a moist environment for tissue repair, continuously nourishing periinvasive tissue, promoting granulation tissue growth and accelerating the epithelization process, so that damaged skin is effectively repaired; good clinical application prospects and market potential are realized.

The invention discloses a preparation method of a pumpkin seed oil-probiotic composite microcapsule capable of balancing polyunsaturated fatty acids, and relates to the technical field of biological materials. Comprising a composite microcapsule, and the composite microcapsule takes mixed pressed oil and probiotics as a core material and takes a whey protein and Arabic gum mixture as a wall material; the core material is embedded in the wall material; the mixed pressed oil comprises pumpkin seed oil and linseed oil; the preparation method comprises the following steps: S1, preparing balanced polyunsaturated fatty acid mixed pressed oil; s2, preparing a microcapsule wall material; s3, activating and preparing the probiotics; and S4, preparing the microcapsule. The invention provides the preparation method of the composite microcapsule capable of accurately delivering the probiotics to a target position.

The invention relates to the technical field of feed processing, in particular to vegetable fat for a special feed for snowflake beef cattle and a preparation method of the vegetable fat. Preparing a second solution for dynamically adjusting the Tween-80 adding rate and the stirring end point by monitoring the conductivity; adjusting the use amount of the antioxidant in the rest of water according to the conductivity deviation to obtain a first suspension; combining the second solution and the first suspension, and adjusting the colloid dosage according to viscosity and transparency parameters to complete water phase preparation; calculating fattening quality parameters based on a meat quality detection report, and dynamically adjusting the ratio of palm oil to soybean oil to linseed oil to obtain an oil phase; and finally, adding the oil phase into the water phase, and performing high-pressure homogenization to obtain the vegetable fat. Through multi-parameter real-time monitoring and feedback, accurate control and dynamic optimization of the vegetable fat preparation process are realized, and the quality of snowflake beef is effectively improved.

The application belongs to the technical field of coating compositions, and provides an environmentally-friendly water-based paint with high wear resistance and a preparation method thereof.The water-based paint comprises the following raw materials in parts by weight: 80 parts of water-based polyurethane, 7-10 parts of modified montmorillonite, 1 part of dispersant, 8-12 parts of microcapsule, and 80 parts of water; the modified montmorillonite is obtained by modifying montmorillonite with chitosan; the wall material of the microcapsule is composed of gelatin and carrageenan at a weight ratio of 3:1; and the core material of the microcapsule is composed of castor oil and flaxseed oil at a weight ratio of 2:1.The water-based paint has excellent optical performance, mechanical performance, liquid resistance and self-repairing performance, and has excellent wear resistance.The light transmittance of the water-based paint reaches more than 95%, the hardness is 4H, the adhesion is 0 level, the liquid resistance is 1 level, and the mass loss of the paint film is only 12.0g per 100 revolutions at most.

The application belongs to the technical field of high polymer materials, and discloses a bio-based non-isocyanate polyurethane binder with cluster light-emitting properties and a preparation method thereof. The preparation method comprises the following steps: S1, CO2 is inserted into epoxy linseed oil, a catalyst is added for reaction, and ring carbonated linseed oil is obtained; S2, the ring carbonated linseed oil is mixed and dissolved in a solvent, a catalyst is added for reaction, and heating and curing are performed to obtain the bio-based non-isocyanate polyurethane binder. The curing agent is one of hyperbranched polyethylene imine, polyamide-amine, polypropylene imine and polylysine, and is mixed with Priamine 1074. The hyperbranched polyamine in the curing agent can construct a bio-based NIPU with a supramolecular crosslinking structure, so that the obtained bio-based NIPU polymer material has excellent mechanical properties, thermal stability, chemical resistance and diverse light-emitting properties. The preparation process is simple, the problem of toxicity and environmental pollution commonly existing in isocyanate polyurethane is solved, the obtained bio-based NIPU has excellent performance, can be applied to coatings, inks and the like, and the application field is widened.

The invention discloses a bamboo fiber film biodegradable material, and belongs to the technical field of biodegradable high polymer materials. The material is prepared by taking acetylated-tannic acid modified bamboo fibers as a reinforcing phase, matching with a poly (butylene succinate) / polyhydroxyalkanoate composite matrix, assisting with epoxy linseed oil, polyethylene glycol, bacterial cellulose nanowhiskers and carnauba wax, and performing solid-phase pre-crosslinking, twin-screw melt blending and two-way stretching film forming. The material disclosed by the invention is excellent in interfacial compatibility, has high strength, high toughness and full biodegradation characteristics, is good in processing stability, and can be widely applied to the fields of food packaging, agricultural mulching films and the like.

The utility model relates to the technical field of filtering devices, and discloses a linseed oil filtering device which comprises a base, a shell is arranged on the upper side of the base, a filtering cover is arranged on the upper side of the shell, a first motor is arranged on the upper side of the filtering cover, a first filter screen and a second filter screen are arranged in the shell, the second filter screen is arranged outside the first filter screen, and a second motor is arranged on the upper side of the second filter screen. And a third motor is arranged in the base, the output end of the third motor is fixedly arranged at the bottom of the first filter screen, scraping plates are fixedly connected to the two sides of the output end of the first motor and the side wall of the first filter screen, a cleaning mechanism is arranged on one side of each scraping plate, and the scraping plates are arranged in the shell. According to the filter device disclosed by the utility model, through the filter cover, the base, the shell, the motor I, the motor III, the scraping plate, the filter screen I, the filter screen II and the cleaning mechanism, the problems that the filter screen of the current filter device is troublesome to maintain and replace, is inconvenient to clean and store, and affects the use are solved.