155results about How to "Shorten the ripening time" patented technology

The invention relates to a preparation method of paraffin wax / AKD complex type neutral paper-making sizing agent. The step is as follows: firstly, AKD and paraffin wax powder are melted in AKD solution; secondly, compound emulsifying agent after being heated is added in melted AKD solution and mixed with a quick shearing mixing machine; thirdly, a rotating speed of the quick shearing blending machine is improved and preheating water is added to lead the formed AKD solution to performing emulsification nearby a W/O to O/W inversion point; quick mixing is performed and the preheating water is added and the mixing is continuously performed; fourthly, the water solution of flocculating agent PAC is added, and the mixing is continuously performed; fifthly, the mixing is stopped and the cold water is used for quickly performing cooling and cool down, and then the finished product of the paraffin wax / AKD complex-typed neutral paper-making sizing agent emulsion is produced. The complex-typed neutral sizing agent produced by the invention has the advantages that the holding rate is high, the effect on the physical property of the paper is small, and the emulsion is stable.

The invention relates to a method for preparing liquid smoking spice for meat from pecan shells. In the method, the byproduct shells of wild pecans in China are used as the materials. The method comprises the following steps: selecting the material, pulverizing, carrying out dry distillation, filtering, fractionating, and aging at variant temperatures to obtain the stable finished product. The liquid smoking spice can be used for meat. The content of smoking characteristic flavoring substance 2,6-dimethoxyphenol is up to 8.0-18.0 (mg/mL), and the content of polycyclic aromatic hydrocarbon 3,4-benzopyrene is controlled within 2.0 mu g/kg, thereby enriching the diversity of smoking spice products and fully utilizing the pecan shells. By combining variant temperature aging with micro-filtering to remove precipitated tar, the aging time is shorted to 4 days, which is shortened by more than half as compared with the current like products, thereby greatly enhancing the production efficiency.

The invention discloses a preparation method of a single-component water-based polyurethane adhesive for use in flexible package compounding. The method comprises the following steps: reacting polyisocyanate with polyester polyol and polyether polyol, adding a chain extender, and continually reacting to obtain a polyurethane prepolymer; continually reacting epoxy resin with a modifier of a silane coupling agent to obtain a modified polyurethane prepolymer; cooling the modified prepolymer, neutralizing and salifying, and adding water for high-speed dispersion to obtain the single-component water-based polyurethane adhesive for use in flexible package compounding. The method is simple in preparation process, and the obtained single-component water-based polyurethane adhesive is convenient to use.

A production method of biobased solvent-free polyurethane synthetic leather comprising the steps of adding a hydroxyl containing component A and an isocyanate group containing component B into a reaction kettle, stirring for reaction to form foaming slurry, applying the foaming slurry to release paper in a scraping manner by using a dry synthetic leather production line to form a coating, laminating the coating with base cloth in a clearance laminating manner by using a laminating machine, putting in an oven for curing, and performing cooling and stripping to form the biobased solvent-free polyurethane synthetic leather. The biobased solvent-free polyurethane synthetic leather is produced by using a double foaming technology, an in-situ polyurethane polymerize technology, a heat-sensitive catalyst asynchronous catalysis technology and a single-knife constant temperature thermal scraping application technology; a production technology is environment-friendly, concise and stable; the product quality is good; biomass that is cheap and easy to obtain serves as a raw material; the use of a fossil raw material can be reduced; and environmental protection is facilitated.

The invention discloses a polyethylene terephthalate (PET) polyester composition, which has the advantages of high solid polymerization reaction speed and relatively low regeneration amounts of aldehyde and cyclic oligomer during processing. In a polymerization process, a titanium element-containing compound is taken as a condensation polymerization catalyst, and a phosphorus element-containing stabilizing agent and an organic dye are added to avoid a yellow phase of polyester; and a phosphorus and calcium-containing compound shown as a structural formula (I) is added to increase the solid polymerization reaction speed of PET prepolymer and enhance the processing quality of a synthesized PET polyester composition; and when the polyester composition is used for processing and manufacturing a bottle mold, the regeneration amounts of the aldehyde and the cyclic oligomer are relatively low.

The invention discloses a coix seed barley buckwheat coarse cereal noodle and a production method thereof. According to the invention, wheat flour, coix seed flour, barley flour, buckwheat flour, wheat gluten, eggs and other raw materials are selected to prepare the coarse cereal noodle with the nutrition and health care efficacy of coix seed, barley and buckwheat, good taste, and reasonable nutrition collocation. The noodle product has slight red color, is smooth and delicate, has good molding properties, is chewy and elastic, and has a breaking rate of less than 5%, a hint of coarse cereal flavor, and good palatability. The noodle provided by the invention has the advantages that: 1. the coix seed, barley, buckwheat and other coarse cereals are selected to overcome the disadvantages of single taste and low nutritional value in traditional noodles, and the product has the characteristics of reasonable diet, and good nutrition and health care functions; 2. the wheat gluten is added to the product raw materials to change the noodle rheological properties, improve the water absorption of stock, shorten the curing time and reduce the breaking rate, so that the noodle can be delicate, chewy, rich in nutrition, and has the health care functions.

The invention discloses a water dispersible profile control agent for oil extraction and a preparation method thereof. The water dispersible profile control agent comprises the following components in parts by weight: 70-150 parts of acrylamide, 5-10 parts of anionic monomer, 5-10 parts of cationic monomer, 1-5 parts of hydrophobic monomer, 15-55 parts of dispersant, 30-85 parts of inorganic salt and 230-500 parts of deionized water. By virtue of water in water dispersion polymerization, the product is instant, so that the liquid preparation time and the curing time of a conventional polyacrylamide solution are shortened. A cationic chain link is introduced based on a conventional gel, so that gel molecules and rocks with negative electricity firmly adsorb so as to increase the flow resistance of water and improve the scouring resistance of the gel. The water dispersible profile control agent is low in initial viscosity, good in pumping property, simple in construction process and small in environmental damage. The water dispersible profile control agent is good in biological stability, and the profile control period of validity is over half a year. The product is obtained by virtue of water in water dispersion polymerization and is instant in the using process.

The invention discloses a method and equipment for curing a phenolic aldehyde foam material. The method for curing the phenolic aldehyde foam material comprises the steps of radiating the phenolic aldehyde foam material to be cured by using microwaves and cooling the phenolic aldehyde foam material. The equipment for curing the phenolic aldehyde foam material has the advantages that moisture, residual foaming agents and formaldehyde inside the phenolic aldehyde foam material are evaporated rapidly, and a chemical reaction inside the phenolic aldehyde foam material is greatly accelerated, so that the curing time is shortened. The microwaves are penetrable, so that the surface and inside of the phenolic aldehyde foam material are subjected to microwave radiation at the same time; and polar molecules absorb the energy of electromagnetic waves and generate uniform heat, so that the product quality is guaranteed, and the phenomenon that the phenolic aldehyde foam material shrinks discordantly, cracks or deforms is avoided.

The invention discloses a preparation method and application of fast cooked anti-aging instant grain rice, and belongs to the technical field of food processing. The method provided by the invention comprises the following steps: soaking, steaming food grains and carrying out microwave drying treatment on the food grains by taking pretreated polished round-grained rice as a raw material and food grains as an auxiliary material, carrying out auxiliary soaking treatment by utilizing ultrasonic waves, steaming after treatment, dispersing by utilizing a dispersing liquid after steaming, filling quantitatively after dispersing, and finally carrying out steaming sterilization so as to obtain a finished product. The method provided by the invention can be used for solving the problems of dry and hardened rice and the like due to food grain starch aging and preventing the problem of decreasing of the quality of food grains in the sales and storage processes, and the fast cooked anti-aging instant grain rice is prepared and is suitable for industrial popularization and application.

The invention discloses a production method of waterproof organosilicon modified solvent-free polyurethane synthetic leather. The production method comprises the following steps: firstly, adding a component A containing hydroxyl and a component B containing an isocyanate group into a reaction still, and reacting by stirring to obtain foaming slurry; secondly, adopting a dry process production line of the synthetic leather, blade coating the foaming slurry on release paper to form a coating, and then laminating the coating with a base fabric by a gap fitting mode through a laminating machine; thirdly, feeding a mixture into a drying oven for cooking to obtain the waterproof organosilicon modified solvent-free polyurethane synthetic leather. According to the production method disclosed by the invention, the waterproof organosilicon modified solvent-free polyurethane synthetic leather is produced by adopting a double foaming technology, a polyurethane in-situ polymerization waterproof technology, a heat-sensitive catalyst asynchronous catalysis technology and a single-pole constant temperature heating scrape coating technology; the production technology is environmentally friendly, simple, and stable; the quality of a product is good; a contact angle of water droplets on the surface of the synthetic leather is as high as 107 degrees, and static water seepage prevention can be kept for 15 days; the waterproof organosilicon modified solvent-free polyurethane synthetic leather can be used as a high-end functional yacht seat covering material.

The invention discloses a magnesium sulfate preparation system. The system comprises a pulping device, a flue gas oxygen content adjusting device, a desulphurization device, a supplementary oxidation device, a filtering device, an evaporating device, a cooling crystallization device and a separator. The flue gas oxygen content adjusting device is used for controlling the oxygen content of a flue gas before desulphurization in a range of 15-25vt%; and the evaporating device and the cooling crystallization device are arranged in a separate manner. The method can simultaneously realize the efficient desulphurization of the magnesium oxide flue gas and the preparation of the high-quality magnesium sulfate product, and avoids the secondary pollution problem caused by landfill treatment of gypsum which is a common wet calcium method desulphurization byproduct.

The invention relates to a meat flavor which is prepared by the following method from the following raw materials in parts by weight: 20-60 parts of reaction base, 0.1-5 parts of spicy base, 0.1-5 parts of meat-flavor base, and other auxiliary materials, and the raw materials are mixed uniformly and processed by a homogenizer and a colloid mill to obtain a pasty flavor; and then the obtained pasty flavor is stirred at a constant temperature of 50-100 DEG C for 10-60 minutes to obtain the ultimate meat flavor finished product. The flavor retains the pure meat flavor original in the flavor, so that the flavor is more full and closer to nature, and gives more cooking sensation.

The invention provides a bladeless stirrer which comprises a shaft sleeve and a disc body, wherein the disc body is connected with a stirring shaft of the stirrer through a shaft sleeve; the disc body is free of stirring blades; the outer side surface of the disc body consists of a plurality of planes which are connected in sequence; a stirring ridge is formed at connecting parts of every two planes; a cavity and water flow through holes are further formed in the disc body; the water flow through holes consist of middle ejection holes and lateral flow through holes; the middle ejection holes are communicated with the cavity; the lateral flow through holes penetrate through the side wall of the disc body. The bladeless stirrer is not provided with blades and is not of a smooth disc structure, either, but a compromise proposal is adopted, that is, stirring ridges are formed on the disc body, so that on one hand, problems caused by stirring blades can be solved, and on the other hand, a stirring effect can be enhanced through the stirring ridges. Due to the water flow through holes in the disc body, centrifugal ejection flow and annular ejection flow can be integrated in the stirring process, and the stirring efficiency can be greatly improved.

The invention discloses a crosslinked material capable of promoting curing of alkyl ketene dimer(AKD) and a preparation method thereof. The crosslinked material is characterized by comprising guar gum, synthetic water soluble polymer, cationic assistant, crosslinking agent and water. The preparation is implemented by the following steps: dissolving the guar gum in water, adding the crosslinking agent, stirring, regulating the pH value of the mixed reaction system by using NaOH, raising the temperature to perform a cross-linking reaction, adding the synthetic water soluble polymer and the cationic assistant, cooling to obtain the crosslinked material capable of promoting the curing of the alkyl ketene dimer. The crosslinked material of the invention can improve the degree of sizing of paper, reduces infiltration capacity of liquid, and helps to produce high water resistance. The crosslinked material of the invention reduces the sizing curing time of AKD to 2 hours from the original 2 weeks, improves the utilization rate of paper machine and reduces storage time.

The invention discloses a method for increasing the content of mogroside substances. The method comprises the following steps: (1) performing sterilizing; (2) performing shell crushing; (3) performingtreatment with a ripening agent; and (4) performing indoor microenvironment factor adjusting treatment. The method breaks through a conventional method for promoting after-ripening of momordica grosvenori and increasing the content of the mogroside only by adjusting external temperature and illumination conditions, starts from an after-ripening endogenous mechanism of the momordica grosvenori, creatively aims at an after-ripening key limiting factor of the momordica grosvenori, adds an exogenous ripening acceleration intervention measure, and cooperates with external environment factor adjustment, so that the high-efficiency and rapid after-ripening of the momordica grosvenori is realized. Compared with the prior art, the method disclosed by the invention has the advantages that the increase amplitude of the content of the mogroside is large, after-ripening time is short and bitterness can be eliminated.

The invention discloses a starch glycosyl polyether glycol, which has a higher molecular weight and is prepared from modified starch sugar, low molecular weight alcohols and propylene oxide. The molecular weight is within the range of 700 to 1200, the hydroxyl value (mg KOH/g) is 415 to 430, the viscosity (cSt, 25 DEG C) is 4500 to 6500, and density (gm/cc, 25 DEG C) is 1.0188 to 1.0218. The starch glycosyl polyether glycol has good compatibility with cyclopentane foaming agents. The polyurethane foam prepared with the starch glycosyl polyether glycol shows excellent dimensional stability, higher flowability and lower thermal conductivity. Besides, the application of the starch glycosyl polyether glycol can shorten curing time of the foam. The invention also discloses a preparation methodof the starch glycosyl polyether glycol.

The invention relates to a cheese and a preparation method thereof. The cheese comprises the following components in parts by weight: 800-950 parts of fresh milk, 50-100 parts of white granulated sugar, 30-80 parts of sweetened condensed whole milk, 0-8 parts of whey protein powder, 0-15 parts of starch, 0-10 parts of thickening agent and 50-100 parts of lactococcus lactis. The cheese of the invention is prepared by the following procedures of burdening, homogenizing, sterilizing, cooling, adding the strains, heating on line, filling, fermenting, after-ripening and the like. The fresh little cheese produced by the invention conforms to the taste of Chinese people, and has tender and smooth mouth feel and rich nutrition, so that the cheese must be favored by domestic enterprises and consumers.