43results about How to "Simple raw materials" patented technology

The invention discloses a corn starch adhesive and a preparation method thereof. The corn starch adhesive is prepared from corn starch, potassium permanganate, sodium hydroxide, borax, sodium thiosulfate, sodium bentonite and water. The preparation method comprises the following steps of: grinding and screening the sodium thiosulfate; preparing pasty corn starch in a constant-temperature water bath; mixing the water, the potassium permanganate and the screened sodium bentonite in the constant-temperature water bath, and pouring into the pasty corn starch to prepare mixed solution; adding water to dissolve the sodium hydroxide, the borax and the sodium thiosulfate, and pouring into the mixed solution to prepare the finished product. The preparation process is simple, and the conventional equipment is not needed to be changed; during production, the temperature is low, and the energy consumption is low; and the produced starch adhesive has the advantages of good liquidity, strong adhesiveness, quick drying, high stability, no pollution, and can greatly improve the ring crush compression resistance and the tension strength of corrugated paper.

The invention relates to a bonding agent for casting, in particular to a self-hardening sand bonding agent for casting and a preparation method and a using method thereof. The self-hardening sand bonding agent for the casting comprises resin and a curing agent, wherein the resin consists of the following components in part by weight: 100 parts of castor oil, 40 to 90 parts of glycerol, 0.1 to 0.2part of calcium oxide, 50 to 90 parts of phthalic anhydride, 5 to 9 parts of dimethylbenzene, 120 to 200 parts of high-boiling point arylhydrocarbon; and the curing agent is prepared by mixing 100 weight parts of isocyanate and 20 to 40 weight parts of high-boiling point arylhydrocarbon. The bonding agent has readily available raw materials and is environment-friendly, equipment required by a synthetic process is simple, and a process condition is easy to control; the bonding agent has high sand mulling flowability, low gas forming amount, high gas forming speed, stable sizes of sand cores/sand molds and smooth surfaces, is convenient to store, and has the excellent effects of resisting sand burning and deformation; and the sand molds are hardened integrally and uniformly, castings have high size accuracy, and sand can be recycled, so the bonding agent is suitable for the production of large-scale steel-casting sand molds.

The invention discloses anti-bacterial and mouldproof plastic. The anti-bacterial and mouldproof plastic comprises the following substances by weight: 14-18 parts of cinnamyl aldehyde, 18-28 parts of POE, 2-5 parts of copper, 2-3 parts of glycerol triglycerate, 4-7 parts of polyvinyl ester, 3-7 parts of magnesium sulfate, 3-12 parts of polypropylene, 6-10 parts of a bisphenol A type polycarbonate, 5-8 parts of an active resin binder, 6-12 parts of triethanolamine, 2-6 parts of vinyl triethoxysilane and 8-16 parts of a drier. With the above technical solution, raw materials are easily available, and cost is low. By adding the drier, the surface of the plastic can be maintained relatively dry; an environment for microbial growth is broken; propagation of microbes is effectively suppressed; and mouldiness can be prevented.

The invention relates to the technical field of chemical engineering, in particular to high-conductivity nanometer heat conduction oil and a preparation method thereof. The high-conductivity nanometerheat conduction oil comprises the following components in parts by weight: 85 to 100 parts of base oil, 10 to 15 parts of a dispersing agent, 10 to 15 parts of an antioxidant, 2 to 5 parts of an anticorrosion agent, 2 to 4 parts of a metal passivator, 2 to 4 parts of an antifogging agent, 4 to 9 parts of silica powder and 0.5 to 1.5 parts of carbon nano tubes or graphene. The product is high in heat stability, high in heat efficiency, low in toxicity and high in safety; the production raw materials are simple and easy to obtain, safe, environmentally-friendly, simple in preparation method andwide in application.

The invention provides an adhesive used by building materials, the adhesive is powder manufactured by adopting corn starch and solid sodium hydroxide as raw materials, and the mixture ratio of the corn starch to sodium hydroxide is (5-15):1. The preparation method of the adhesive comprises the steps as follows: the solid sodium hydroxide is crushed, and mixed with the corn starch while stirring, so as to become loose granules which are then cooled and crushed to form the finished product. The adhesive has the advantages of simple manufacturing process, lower cost, high viscosity and no pollution.

The invention discloses a method for producing penicillium griseofulvum, a main ingredient of Songgang mycin, through microbial fermentation. The method comprises the following steps: fermenting and culturing penicillium griseofulvum FH1816, to obtain penicillium griseofulvum from a fermented product, wherein the preservation number of the penicillium griseofulvum FH1816 in the China Center for Type Culture Collection is CCTCC NO:M 2018187. The provided penicillium griseofulvum FH1816 is used to produce the penicillium griseofulvum, a material route using no lactose or corn syrup and the novelprocess of feeding in batches, supplementing chlorine and fermenting are adopted, the fermentation potency of the penicillium griseofulvum is greatly improved, the production cost is lowered, and themethod provides reliable material sources for developing the antifungal biopesticide, namely the Songgang mycin.

The invention discloses a griseofulvin-producing strain and application thereof. The invention provides Penicillium griseofulvum FH1816, which has a preservation number of CCTCC NO: M 2018187 in ChinaCenter for Type Culture Collection. The Penicillium griseofulvum FH1816 provided by the invention is utilized to produce griseofulvin, a raw material route without using lactose and corn syrup and anew process of fed-batch fermentation with continuous feeding of chlorine are adopted, the fermentation potency of griseofulvin can be greatly increased, and the production cost can be reduced, and areliable raw material source is provided for development of the antifungal biopesticide songgangmeisu.

The invention relates to a detergent for fruits and a production technology thereof. The detergent is prepared from 4-6 parts of vinegar, 6-8 parts of starch, 4-6 parts of citric acid, 25-30 parts of pea extract, 7-9 parts of sodium citrate, 4-5 parts of sucrose, 55-65 parts of distilled water, 3-5 parts of dihydrate sodium citrate, 5-9 parts of ethyl alcohol, 1-4 parts of methyl hydroxypropyl cellulose, 1-3 parts of propylene glycol, 10-15 parts of sodium hydroxide, 2-4 parts of diacetyl tartaric acid monoglyceride and 5-7 parts of solubilizer. The flow technology is simple, and the production raw materials are simple, natural, harmless, green and environmentally friendly. According to the method, peas are used as the main raw material and react with the vinegar, the starch and the sucrose, and therefore the produced detergent is nature and free of side effects, and does not influence skin of the human body after cleaning; moreover, the detergent can clean the fruits completely, effectively remove impurities and pesticide residues on the surfaces of the fruits, and ensure hygiene of the fruits and eating health of people, and does not pollute the environment after being used.

The invention relates to a disinfectant cleaning agent for melons and fruits and a production process thereof. The disinfectant cleaning agent for melons and fruits is prepared from the following raw materials: 10-13 parts of soybean extracting solution, 20-25 parts of nutmeg extracting solution, 1-3 parts of vietnamese sophora root extracting solution, 10-13 parts of vegetable sponge, 30-36 parts of washing water of rice, 10-15 parts of shell powder, 4-5 parts of salt, 56-60 parts of distilled water, 3-5 parts of potassium citrate, 1-2 parts of citric acid, 5-6 parts of sodium hydroxide, 1-1.5 parts of propylene glycol, 4-6 parts of non-ionic surfactant, and 2-5 parts of solubilizing agent. The disinfectant cleaning agent is simple in flow process and simple in production raw materials; and the cleaning agent can effectively remove the residual pesticide on the surface of the fruit, is natural, harmless and environment-friendly, and is high in market value and convenient for popularization and use. The disinfectant cleaning agent produced by the production process is natural and free from side effect, incapable of producing a certain influence on the skin of a human body after being used for cleaning, and capable of cleaning the fruit and effectively removing the impurities and pesticide residue on the surface of the fruit, so that the sanitation of the fruit and the eating health of people are guaranteed, and the disinfectant cleaning agent cannot produce certain pollution to the environment after being used.

The invention discloses a recrystallized carborundum link plate used for a preheater inner barrel of a cement kiln. Materials for preparing the link plate consist of carborundum powder and additional water, diluter, surfactant and dispersant agent, wherein the carborundum powder has different grain size grades within a range of 1.6mm to 0.5mum, with a purity of higher than 99 percent; the ratios of dosage of the water, the diluter, the surfactant and the dispersant agent to the total weight of the carborundum powder respectively are 10-30 percent, 1-2 percent, 1-6 percent and 0.1-2 percent. The invention has the advantages of simple manufacturing technique, easiness for production and manufacturing, simple production raw materials and low cost. The recrystallized carborundum link plate manufactured has high strength, good high-temperature resistance, wear-resistance and corrosion-resistance and long service life.

The invention discloses plant-based artificial meat and a preparation method thereof. The plant-based artificial meat is formed by adding a protein fiber skeleton into an unsolidified fat phase for treatment, wherein the uncoagulated fat phase is obtained by adding vital gluten into soybean milk, boiling, cooling to 4-20 DEG C, adding a coagulator and edible gum, and uniformly stirring; the protein fiber skeleton is formed by freezing protein gel at -10 to -20 DEG C, then unfreezing to obtain protein fibers with a network structure, and frying and drying the protein fibers to reinforce the fibers. The plant-based artificial meat disclosed by the invention has the advantages of high protein, low fat and low cholesterol, contains various amino acids necessary for a human body, and is high in nutritional value; the product has the two-phase structure and taste of fiber and fat, the meat fiber effect of the product is vivid, the fine and smooth feeling of fat is fully reflected, and the meat quality and taste are obvious; in addition, the product is prepared from natural soybeans, no preservative or whitening agent is added, and production raw materials are safe.

The invention relates to the technical field of feed for fur animals and in particular relates to a feed formula for minks, foxes and raccoon dogs. The feed formula is characterized by being prepared from the following components: 5 to 8 parts of chicken livers, 5 to 8 parts of duck livers, 7 to 10 parts of chicken skeletons, 7 to 10 parts of duck skeletons, 8 to 10 parts of chicken intestines, 2 to 5 parts of eggs, 20 to 25 parts of fishes and fish byproducts, 8 to 10 parts of expanded corn, wheat and soybean meal, 1 to 15 parts of animal and vegetable oil, 1 to 2 parts of a sterilization and bacterium-inhibition preparation, 1 to 2 parts of a water-retaining agent, 2 to 3 parts of a preservative, 3 to 5 parts of multivitamins and 2 parts of multi-minerals and a functional additive. According to the feed formula provided by the invention, the needed raw materials do not need to be specifically processed and can be directly purchased from the market so that the raw materials for production are simplified and the production cost is saved; furthermore, the multivitamins and the multi-minerals are increased in the feed formula so that nutrient components of the feed are improved; in the feed, the content of moisture is 18 percent to 30 percent, the content of crude protein is 15 percent to 33 percent, the content of calcium is 0.4 percent to 2 percent and the content of total phosphorus is 0.4 percent to 2 percent; the sterilization and bacterium-inhibition preparation is added into the feed so that the shelf life of the feed is prolonged.

The invention relates to the field of biochemical engineering, in particular to a fermentation method for producing eurotium cristatum. The method comprises the following steps: mixing tea leaves withactive additive components in a proportion to obtain a raw material, treating the raw material to obtain a pre-filtrate and first filter residues, treating the first filter residues to obtain fermented tea residues, treating the fermented tea residues to obtain a post-filtrate, mixing part of the pre-filtrate and the post-filtrate to obtain an eurotium cristatum spore suspension, mixing the residual pre-filtrate with carbon source nutrient substances to obtain a sterile culture solution, and inoculating the sterile culture solution with the eurotium cristatum spore suspension for fermentationtreatment to obtain the eurotium cristatum. Through five steps of pre-filtrate preparation, post-filtrate preparation, sterile culture solution preparation, eurotium cristatum suspension preparationand eurotium cristatum liquid fermentation, the method takes common tea leaves and pure natural substances such as Chinese wolfberry fruits, red dates and American ginseng as additives to prepare a fermentation culture solution. The production raw materials are simpler, the raw material cost is low, the production process is controllable, and industrial production can be completely achieved.