59results about How to "Emulsifying" patented technology

The invention provides a composition with high-efficiency broad-spectrum antibacterial capacity. The composition is prepared by the following steps: mixing the following components in percentage by weight: 10-40 percent of hydroxyacetophenone, 5-30 percent of glycerol caprylate and 30-60 percent of C2-10 dihydric alcohol, heating to the temperature of 80-90 DEG C, completely dissolving the materials, thereby obtaining the product. According to the composition disclosed by the invention, Gram negative bacteria, gram-positive bacteria, moulds and saccharomycetes thereof in the cosmetics can be effectively inhibited and killed under the conditions of low addition amount, high safety, mildness and low irritation, and the composition has certain effects of moisturizing, assisting emulsification and resisting oxidation and is particularly suitable to serve as a preservative in the transparent system, W / O or O / W cream emulsification system and surfactant washing system. The invention also provides an application of the composition serving as a preservative in the cosmetics.

The invention discloses a method for preparing octenylsuccinate hydroxyethyl bean-dreg cellulose ester from hydroxyethyl bean-dreg cellulose and octenyl succinic anhydride, which comprises the following steps: dissolving hydroxyethyl bean-dreg cellulose in a water / ethanol system to form a silt state, carrying out an esterification reaction with octenyl succinic anhydride in an alkaline environment, washing with ethanol, drying and pulverizing to obtain the product. The product is light yellow powder, has the advantages of no peculiar smell and high solubility, and has certain emulsibility and surface activity. The preparation method provided by the invention has the advantages of cheap and easily obtained raw material (bean dregs), and low production cost, is simple and easy to operate, can increase the added value of the bean dregs, and partially solves the problems of waste of resources and environmental pollution caused by waste bean dregs.

The invention discloses linseed oil microcapsules and a preparation method thereof. The preparation method comprises the following steps of (1) performing hydrolyzing and extracting by an enzyme method to obtain linseed oil; (2) preparing an aqueous phase; (3) preparing an oil phase; (4) performing high-speed cutting emulsifying on a mixture of the aqueous phase and the oil phase by a cutter; (5)performing homogenizing on obtained emulsion by a high pressure homogenizer; and (6) performing spray drying on the obtained emulsion to obtain linseed oil microcapsule granules. The linseed oil microcapsules are high in solubility, good in emulsibility, high in stability, good in film-forming properties and high in packing rate. The linseed oil microcapsules have good mouth feel and flavor, and are safe and reliable in quality; and besides, the preparation technology is simple, mass production is convenient, and the loading quantity of the obtained linseed oil microcapsule granule linseed oilcan achieve 42%, and the microcapsule entrapping rate is 90% or above.

The invention discloses a preparing method of seed-melon full powder. The preparing method comprises the steps that seeds and peel of a seed melon are removed; ascorbic acid solutions or citric acid solutions or mixed solutions of ascorbic acid and citric acid are heated to 90-100 DEG C, melon slices are placed in the heated mixed solutions for color protection and precooking for 3-5 min; after cooling, the seed-melon puree is obtained through pulping; an abrasive disk gap is adjusted to be 20-50 microns for glue abrading; 3%-10% of isomaltooligosacharide, 0.05%-0.2% of citric acid, 30%-60% of maltodextrin of soluble solid in material liquid and 3%-10% of honey are added into the solutions to be stirred; mixed puree liquid is pressed by 25-40 Mpa for homogeneity; pasteurization is adopted, and when the pasteurization time is 10-15 min, the pasteurization temperature is 60-70 DEG C; a spray dryer is adopted for drying, and the condition is that the air inlet temperature is 170-180 DEG C, the exhaust air temperature is 78-87 DEG C, and the water content of dried materials is equal to or lower than 5%, and therefore the seed-melon full powder is prepared.

The invention belongs to the field of nutritional health food and particularly relates to a method for preparing a konjak weight-losing fondant. The fondant mainly comprises the following components:konjaku flour, milk powder, cane sugar, starch syrup and flavor. The method comprises the steps of adding water in the cane sugar, heating and dissolving the cane sugar, filtering the cane sugar to obtain a filtrate A; adding water in the konjaku flour and the milk powder, heating the mixture to the temperature of 85-90 DEG C for dissolving; simultaneously mixing and filtering the solution to obtain B; pouring the starch syrup and B into A; heating, mixing and decocting the mixture and taking out the mixture at the temperature of 114-115 DEG C; subsequently cooling the mixture to the temperature of 70 DEG C; adding the flavor and uniformly mixing the mixture to obtain C; pouring the C into a grinding tool; and pouring the C as masses; and after cooling and solidifying the masses, baking the masses for 12-24 hours under the temperature of 35-60 DEG C, and packing the masses to obtain the finished product. The prepared product has extremely low heat, strong water absorption, large viscosity and high expansion rate, can expand by 20-100 times after entering the stomach and absorbing the gastric juice, generate satiety feeling, sufficiently meet the eating sense and does not increase weight simultaneously, and does not need to diet purposely so as to achieve equilibrium dieting, thus realizing ideal weight-losing effect.

The invention provides a make-up cleansing gel and a preparation method thereof. The make-up cleansing gel comprises the following components in percentage by mass: 25-60% of dodecylalcohol-octoate / decanoate, 15-40% of glycerinum, 0.3-1.0% of glutamate peptide sodium, and the balance deionized water. The make-up cleansing gel is a natural organic product and free from a preservative, and is capable of effectively cleansing make-up products such as foundation, eye shadow and eyeliner; the make-up cleansing gel is mild, and not irritated; the skin can be cleansed properly; and the skin can be repaired, pores can be thinned and the skin ageing can be prevented during cleansing. Therefore, the make-up cleansing gel has a good market prospect.

The invention discloses a low-foam dispersant, a preparation method and an application thereof and belongs to the technical field of high-molecular compound synthesis. The dispersant is a polymer, the weight-average molecular weight of which is 5000-35000, copolymerized by monomers A, B and C, wherein the monomer A is polyether-modified silicone oil maleate. The preparation method comprises the following steps: (1) adding the monomers A and B, lauryl sodium sulfate and water, and stirring and heating the mixture; (2) dropwise adding the monomer C and an initiator; and (3) after reaction, reducing the temperature and adjusting the pH to 4-8. The low-foam dispersant disclosed by the invention can reduce foam of a system, and is convenient to produce and use; the low-foam dispersant can reduce the surface tension of a water system, so that the system has relatively low surface tension, and is good in wetting property; the dispersibility is improved, and the system is more stable; the dispersant is uniformly dispersed; and the low-foam dispersant can be applied to preparations such as pesticide wettable powder, a suspending agent and water dispersible granules.

The invention relates to carboxymethyl starch stearate and its preparation method, which belongs to the composite modified starch technical field. The present invention takes carboxymethyl starch as a raw material, a stearic acid as an esterifying reagent, lipase as a catalyst. The invention comprises the following steps: adding a drying agent and using a water-bath kettle as a temperature-controlling device, controlling the stirring rate, preparing composite modified starch-carboxymethyl starch stearate by using a combination of an enzymatic method and a dry method. The product modifies the defects of salt non-tolerance and shear non-tolerance of carboxymethyl starch, the viscosity of the carboxymethyl starch can be substantially raised, therefore the product can be replaced of carboxy methyl starch and is taken as a thickening agent, a stabilizing agent, an emulsifier or a substitute of fat in certain field. The lipase of the invention has the high activity with a pH value from 3 to 11; the dry method has the advantages of high yield, short flow and no wastewater discharge; the catalytic reaction of the enzymatic method has the advantages of low energy consumption, good selectivity and high conversion rate; and the reaction needs less ingredients which is beneficial to late-period isolation.

The invention discloses a synthetic method for a sorbitan octoate emulsifier. The synthetic method is characterized by being prepared from commercially available D-sorbitol, caprylic acid, a metal tin catalyst, a basic catalyst and a granular magnesium silicate adsorbent, which serve as raw materials, through processes of etherification, etherate refinement, esterification, deacidification, ester refinement and the like. According to the method, the metal tin catalyst is rationally selected and used; a product in the etherification process is subjected to adsorption and refinement treatment by utilizing the granular magnesium silicate adsorbent; unreacted caprylic acid is removed in vacuum at a high temperature; and a final product is subjected to adsorption and refinement treatment by utilizing the granular magnesium silicate adsorbent, so that the sorbitan octoate emulsifier which has the acid value less than 2.0 mgKOH / g, the color luster less than or equal to 100 Hazen, the hydroxyl value equal to 230-300 mgKOH / g and the saponification value equal to 180-210 mgKOH / g, is light in smell, high in transparency, low in fatty acid residue content, difficult in acid backflow and high in stability, and has good solubilizing, emulsification-facilitating, tackifying and anticorrosion-enhancing effects and safe and mild performance is obtained; and the method is suitable for the fields of daily chemicals and cosmetics, and the like.

The invention discloses nutritionally balanced feed for the sheep fattening period. The nutritionally balanced feed comprises, by weight, 3-7 parts of sea-foam stone powder, 4-8 parts of lard oil, 1-1.8 parts of soybean oil, 4-12 parts of a composited coated material, 0.04-0.1 part of phytase, 0.06-0.12 part of rhizopus oryzae, 0.04-0.12 part of selenium-enriched yeast, 0.3-0.8 part of methionine, 0.12-0.2 part of lysine, 2-4 parts of Chinese herbal medicine additives, 15-30 parts of corn gluten meal, 10-16 parts of fish meal, 35-55 parts of corn, 10-20 parts of broussonetia papyrifera powder, 12-18 parts of wheat, 5-12 parts of hay meal, 10-20 parts of silkworm chrysalis, 4-12 parts of cotton seeds and 10-20 parts of sweet potato leaves. The nutritionally balanced feed is green and healthy, balanced in nutrition and good in fertilizer effectiveness.

The invention aims to provide a synthesis method of sorbitan caprylate emulsifier. The synthesis method is characterized by comprising the following steps: taking commercially available D-sorbitol and caprylic acid as raw materials, performing etherification and esterification, then vacuumizing, adding water, vacuumizing according to the vapor distillation principle, deacidifying in vacuum through a falling film evaporator to remove the caprylic acid, and finally adsorbing through granular magnesium silicate to prepare the sorbitan caprylate emulsifier. According to the invention, the material addition and proportioning in the reaction process are reasonably adjusted, the reaction temperature and time in deacidification and other working procedures are optimally selected, and the process is reasonable and simple to operate. The sorbitan caprylate emulsifier prepared by the invention is faint in smell, light in color, high in transparency, low in acid value, low in fatty acid residue, low in sodium ion content, less prone to acidification and favorable in stability; and meanwhile, the sorbitan caprylate emulsifier has the advantages of solubilization, emulsification assistance, tackification, corrosion resistance synergy, safe and mild performance and favorable compatibility, thereby being applicable to the fields of daily chemical cosmetics and the like.

The invention belongs to the technical field of frozen dessert preparation and discloses health-preserving ice cream and a preparation method thereof. The method comprises the following steps of: adding soybeans into water to prepare soybean milk, filtering to remove bean dregs, heating for concentrating to obtain concentrated soybean milk, stirring, and beating to from abundant foam until the concentrated soybean milk is in a thick foam state; dissolving corn starch into the water, stirring to be in a pasting state under heating, and cooling to the room temperature to obtain corn starch paste; and adding the corn starch paste into the concentrated soybean milk in the thick foam state, adding olive oil, stirring and freezing to obtain the health-preserving ice cream. In the preparation process of the health-preserving ice cream, the emulsification can be realized by virus of the emulsifying property of the soybean milk instead of a traditional emulsifier, the corn starch plays roles in filling, stabilizing and formation assisting, soybean proteins and soybean phospholipid are used for replacing common animal protein and grease to realize the expansion rate increment and texture improvement in the ageing process of the ice cream, added roses and gardenia flowers have the effects of soothing liver-qi stagnation, beautifying and protecting the skin and is aromatic in smell, and hawthorn fruits have the effects of invigorating the stomach and helping the digestion.

The invention relates to a compound premix based on a coating technology and a production method thereof. The compound premix contains vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, folic acid, D-biotin, nicotinamide, D-pantothenic acid, iron, copper, manganese, zinc, iodine, selenium, calcium and the like. The production method comprises four steps of gelatin fusing, emulsifying, spraying and coating, and condensing. The production method is simple to operate and facilitates production; and the uniformity of the microelement compound premix can be effectively improved, the stability of all the vitamins is increased, and the compound premix is convenient to store and transport. Compared with other feeds, the premix disclosed by the invention can be used for remarkably improving the growth performance level of growing and fattening pigs; and even when the adding amount of the compound premix is reduced by 40%, the normal growth of the growing and fattening pigs is not influenced.

The invention relates to a method for preparing leather fat liquor, which aims to solve the problem of environmental protection in sulfonation production and simultaneously improve the economic benefits with less process equipment investment. The technical scheme of the invention is that: the method for preparing the leather fat liquor by treating electrostatic acids by a spraying method comprises the following steps of: reserving a pressure nozzle in a vertical pipeline connected with a gas-liquid separator and an electrostatic precipitator, communicating the pressure nozzle with a spraying device outside the pipeline, and spraying organic materials for spraying in a storage groove from the pressure nozzle by a metering pump under pressure for contact reaction with tail gases; and causing the reacted materials to flow out of the bottom of the electrostatic precipitator to a stirred tank reactor, performing neutralization with alkali until the pH is 6.0 to 7.5, adding hydrogen peroxide to perform decoloring for 4 to 10 hours, and adding a preservative and water for conditioning to obtain the fat liquor product.

The invention discloses a production method of purple skin black garlic. The purple skin black garlic with unique effects is produced through a series of treatment fermentation purple skin garlic according to a Maillard reaction mechanism; and compared with white skin black garlic, the purple skin black garlic has the advantages of high bacteriostatic activity, obvious ageing resistance and high nutritional components. An alliin component is well reserved through microwave enzyme deactivation treatment in order to further enhance the health effects of black garlic. The purple skin garlic is used to produce black garlic, and resource advantages of local raw materials in Shanxi and Gansu are fully utilized to produce the product with high added values, so direct selling of the local garlic becomes deep processing and selling, and the method is of great significance to promote the local economy development; and additionally, the production of the purple skin black garlic increases the kind of black garlic series, and the preponderant nutrition efficacy of the purple skin black garlic is of great significance in the field of green health foods.

The invention discloses composite modified starch for replacing fat as well as a preparation method and application of the composite modified starch, and belongs to the field of modified starch foods.The preparation method of the composite modified starch comprises the following steps: (1) size mixing; (2) alkalization; (3) crosslinking; (4) primary esterification; (5) secondary esterification; (6) washing and dewatering; (7) pre-gelatinization treatment. The composite modified starch product produced by the invention has viscosity, emulsibility and stability similar to those of fat; the composition has good compatibility and foam retention with essence, spices and other seasonings; compared with fat, the product has better processability, high resistance to high-concentration acid, sugarand salt and high mechanical resistance, can effectively reduce the application of fat in dairy products, frozen desserts, sauces, salad dressings, meat products, baked foods, chewing gums and candies, and achieves the purpose of reducing the production cost; the composition has the characteristic of being soluble in cold water, can be compounded with other products for use in the use process andis convenient to use.

The method of biologically catalyzing in organic medium to prepare konjak glucomannan ester is to adopt organic solvent with common logarithm of distribution coefficient lg P of 1.0-4.7 as the reaction medium, C2-C18 fatty acid ester as acetyl donor and lipase to catalyze the esterification of konjak glucomannan to obtain konjak glucomannan ester. The method of the present invention has mild condition, low power consumption, environment friendship, simple reaction process, reaction controllability and selectivity, and easy separation of the product.

The invention provides a metal water-based rust removal antirust solution. The metal water-based rust removal antirust solution comprises raw materials including, by weight part, 2 to 6 parts of citric acid, 2 to 8 parts of lauryl sodium sulfate, 2 to 4 parts of tartaric acid, 1 to 5 parts of sodium citrate, 2 to 6 parts of polyaspartic acid, 0.4 to 1.2 parts of oxidized starch, 5 to 10 parts of cetyl-trimethyl ammonium bromide, 10 to 15 parts of polyoxyethylene fatty alcohol sodium sulfate, 1 to 2 parts of OP-10, 1 to 3 parts of chitosan, 2 to 8 parts of mesoporous silica, 10 to 20 parts of PEG200, 15 to 20 parts of propanediol butyl ether and 60 to 90 parts of water. The invention further provides a preparing method of the metal water-based rust removal antirust solution. The metal water-based rust removal antirust solution has multiple functions of rust removal, dirt removal, phosphatization, passivation and the like, a reaction is carried out at the normal temperature, the rust removal time is short, the antirust time is long, and corrosion to the metal is avoided.

The invention discloses a preparation method and application of natural oil- and starch-esterified starch ester and belongs to the technical field of modified starch. In the preparation method, starch is taken as a raw material and the natural oil is taken as an esterifying agent; and the starch is subjected to acidolysis and esterification modification by a dry-method process combining microwave and high temperature heating so as to prepare low-degree of substitution natural oil- and starch-esterified starch ester products. Due to the introduction of a hydrophobic organic carbon chain, the starch has oleophylic and hydrophilic amphiphilic properties; therefore, the starch has certain emulsifying property. The product starch ester can be used as a stabilizing agent, an emulsifying agent, a gel, a fat substitute, a microcapsule wall material and the like in the food industry, and can be applied to margarine, salad dressing, bakery products, dairy products, frozen food and the like. The invention has the advantages that: the esterified starch is prepared by the dry-method process combining the microwave and the high temperature heating, the reaction process is simple, the method is easy to implement, the environmental pollution is light, the processing time is short, and the product performance is excellent.

The present invention provides a rosin-type emulsion sizing agent having good storage stability and mechanical stability, and a paper having a good sizing effect obtained by using the sizing agent. The present invention relates to a rosin-type emulsion sizing agent and a paper obtained by using the sizing agent, wherein the rosin-type emulsion sizing agent is emulsified by the emulsion (B) in the presence of the polymer dispersant (A) (B) is at least one selected from the group consisting of a rosin (B1) and a rosin ester (B2), wherein the rosin (B1) is a rosin (b1) And the alpha, beta-unsaturated carboxylic acid (b2), said rosin (b1) containing 0.1 to 8% by weight of tropisol, 15 to 34.9% by weight of pimaric acid, and rosin (84) is a reaction product of the rosin (b1) and the polyol (b3).

The invention discloses a preparation method of a comb type high-molecular flotation agent. The preparation method is characterized by comprising the following concrete steps: (1) preparing allyl-polyoxyethylene ether phosphate; (2) preparing a comb type high-molecular polymer: adding allyl-polyoxyethylene ether phosphate, fluoro-alcohol polyoxyethylene ether (methyl) acrylate, acrylamide and water into a reaction kettle, and reacting at the temperature of 80-100 DEG C for 3-5h under the action of an oxidation-reduction initiating system to obtain the comb type high-molecular polymer, wherein the mole ratio of allyl-polyoxyethylene ether phosphate to fluoro-alcohol polyoxyethylene ether (methyl) acrylate to acrylamide is 1: (0.05-0.5): (3-5), the dosage of an oxidizing agent is 0.5-5% of the sum of the mass of unsaturated monomers, and the mole ratio of the oxidizing agent to a reducing agent is 1: (0.5-3.5).

An alkenyl succinic acid polyethylene glycol phosphate ester additive agent as metal rolling oil comprises the following components: alkenyl maleic anhydride with appropriate alkyl, polyethylene glycol with appropriate degree of polymerization, phosphorus pentoxide and a catalyst, and is characterized by comprising the steps of: reacting the alkenyl maleic anhydride with appropriate alkyl and the polyethylene glycol with appropriate degree of polymerization under the action of the catalyst to generate alkenyl succinic acid mono-polyethylene glycol ester; and reacting the alkenyl succinic acid mono-polyethylene glycol ester and the phosphorus pentoxide to generate alkenyl succinic acid polyethylene glycol phosphate ester and bis-alkenyl succinic acid polyethylene glycol phosphate ester. The invention has the distinct advantages that the additive agent has emulsification, lubrication and extreme pressure properties and oil coke resistance function; the formulation technology of the metal rolling oil becomes simple, a large quantities of steel plates with large deformation values above 90 percent can be rolled at a high speed by adding 5-20 percent of the additive agent of the invention into the metal rolling oil, and the surfaces of the rolled steel plates have no scratch.

The invention discloses a production method of purple-skinned black garlic. According to the mechanism of Maillard reaction, purple-skinned garlic is used for a series of treatment and fermentation to produce purple-skinned black garlic with unique effect, which is more effective than black garlic produced by white-skinned garlic. It has the characteristics of high antibacterial activity, obvious anti-aging effect and high nutritional content. The microwave enzyme-inactivating treatment of the present invention better retains the alliin component, and further enhances the health care effect of the black garlic. The use of purple garlic to produce black garlic, making full use of the advantages of local raw material resources such as Shaanxi and Gansu, produces products with higher added value, and turns the direct sales of local garlic into deep processing and resale, which is of great significance to promote local economic development. In addition, the production of purple-skinned black garlic has increased the variety of black garlic series, and its more advantageous nutritional effect is also of great significance in the field of green health food.

The invention discloses a preparation method of a comb type high-molecular flotation agent. The preparation method is characterized by comprising the following concrete steps: (1) preparing allyl-polyoxyethylene ether phosphate; (2) preparing a comb type high-molecular polymer: adding allyl-polyoxyethylene ether phosphate, fluoro-alcohol polyoxyethylene ether (methyl) acrylate, acrylamide and water into a reaction kettle, and reacting at the temperature of 80-100 DEG C for 3-5h under the action of an oxidation-reduction initiating system to obtain the comb type high-molecular polymer, wherein the mole ratio of allyl-polyoxyethylene ether phosphate to fluoro-alcohol polyoxyethylene ether (methyl) acrylate to acrylamide is 1: (0.05-0.5): (3-5), the dosage of an oxidizing agent is 0.5-5% of the sum of the mass of unsaturated monomers, and the mole ratio of the oxidizing agent to a reducing agent is 1: (0.5-3.5).

The invention discloses a lead-acid storage battery positive lead paste. The lead-acid storage battery positive lead paste is prepared from the following raw materials in parts by weight: 70-90 partsof lead powder, 3-15 parts of sulfuric acid, 5-20 parts of water, 0.05-1 part of short fiber, 0.05-0.5 part of graphite and 0.05-0.5 part of xanthan gum. A lead-acid storage battery prepared by usingthe positive lead paste is high in initial capacity, slow in attenuation and long in cycle life, has strong large current discharge and low temperature charge and discharge performance, and ensures that the combination performance of the lead paste and a grid is significantly improved; and the problems of low initial capacity, short cycle life, easy falling off of active materials and the like inexisting lead-acid storage batteries can be effectively solved.

The invention relates to artemisia sieversiana essential oil microcapsules and a preparation method thereof, in particular to microcapsules prepared by taking natural plant extract purslane polysaccharide and soy isolate protein as wall materials and artemisia sieversiana essential oil as a core material. Therefore, the stability of the artemisia sieversiana essential oil in humid environments such as light, oxygen, high temperature and humidity can be improved, the activity of the artemisia sieversiana essential oil can be better preserved, and the release speed and uniformity of the artemisia sieversiana essential oil can be controlled. As the wall material is the natural plant extract, the safety is good, and the wall material also has rich nutritional value and medicinal value. The purslane polysaccharide and the soy isolate protein are used as wall materials together, so that the medicinal value of the purslane polysaccharide can be applied, the embedding rate of the microcapsule can be increased, and stable product quality is obtained.

The invention discloses a rhizoma polygoni cuspidati skin bacteriostatic liquid, which has a strong bacteriostatic action against pyogenic cocci, intestinal pathogenic bacteria and pathogenic yeast, and a preparation method thereof. The rhizoma polygoni cuspidati skin bacteriostatic liquid is prepared by combining chlorhexidine acetate, rhizoma polygoni cuspidati concentrated solution, borneol andpolysorbate-80. The formula combination disclosed by the invention is novel and unique, the scientific basis is unique, and the bacteriostatic action of the functional ingredients can be effectivelyimproved.

The invention discloses a nano-crystalline cellulose hollow microsphere composite material and a nano-crystalline cellulose hollow microsphere coating material, a preparation method comprises the following steps: firstly, carrying out esterification modification on nano-crystalline cellulose to obtain a modified nano-crystalline cellulose Pickering emulsifier; then, dispersing the modified nanocellulose Pickering emulsifier into deionized water, so as to obtain a modified nanocellulose aqueous solution; the nano-cellulose hollow microsphere composite material is obtained by taking a modified nano-cellulose aqueous solution as an aqueous solution and taking a dichloromethane and acrylate monomer mixed solution as an oil phase through a Pickering emulsion polymerization method. According to the invention, the unique properties and hollow structure of the nanocellulose are combined to prepare the reinforced and toughened nanocellulose hollow microsphere coating material with high air permeability, and compared with a solid modified nanocellulose emulsion, on one hand, the nanocellulose hollow microsphere composite material improves the dispersibility of the nanocellulose in a solvent and reduces agglomeration; and on the other hand, the hollow structure can shorten the gas molecule passing path, improve the gas diffusion rate and realize the air permeability of the coating while enhancing and toughening, so that the base material is endowed with good air permeability, and the application of the base material in the fields of fabrics, leather and the like is improved.

The invention discloses salty and fragrant yoghurt sauce and a preparation method thereof. The yoghurt sauce is prepared from the following raw materials: salts, a protein supplement, compound stabilizers, a flavor regulator, a sweetening agent, 150-250U / ton of strains and raw milk. The compound stabilizers comprise acetylated distarch oxalate, gelatin, sodium caseinate and pectin. The salts comprise edible salt, an emulsifying salt and a mineral salt. The protein supplement is an animal protein or a vegetable protein. When the yoghurt sauce is prepared, the materials are mixed and homogenized, then pasteurization is carried out, then strains are inoculated and fermented, and finally filling and after-ripening are carried out. The salty and fragrant yoghourt sauce disclosed by the invention is prepared from the raw materials of the raw milk, the salts, the protein supplement, the compound stabilizers, the flavor regulator and the sweetening agent, is moderate in salty and fragrant taste, rich in fragrance and good in water binding capacity, can stably meet smearing requirements, and is deeply loved by consumers.

The invention discloses an oil-removing and hole-conditioning method of a printed circuit board PTH process, an alkaline oil-removing and hole-conditioning agent and a preparation method thereof, the oil-removing and hole-conditioning method of the printed circuit board PTH process comprises an alkaline oil-removing and hole-conditioning process, the alkaline oil-removing and hole-conditioning agent is used for treating a printed circuit board in the alkaline oil-removing and hole-conditioning process, and the alkaline oil-removing and hole-conditioning agent is used for treating the printed circuit board in the alkaline oil-removing and hole-conditioning process. The alkaline oil-removing pore-conditioning agent comprises a water solvent and the following components dissolved in the water solvent in percentage by mass: 3.0%-6.0% of inorganic alkali, 0.5%-1.5% of a charge regulator, 3.0%-6.0% of an inorganic salt complexing agent, 3.0%-6.0% of a nonionic surfactant and 3.0%-6.0% of an accelerator, the charge regulator is an amidine compound, and the accelerator is a sulfenamide compound. According to the method, the hole wall is subjected to hole finishing in the alkaline oil removal process, so that the hole wall has positive charges, adsorption of the hole wall to colloid palladium with negative charges is enhanced, and the hole wall copper plating quality is improved.