118results about How to "Particle integrity" patented technology

The invention discloses a nitrosation-anaerobic ammonoxidation single-stage biological denitrification method, the technology utilizes nitrosation flora with intensified active carbon as core after adding powdery active carbon and anaerobic ammonoxidation flora to generate composite granule sludge, and couples two reactions of nitrosation reaction and anaerobic ammonoxidation reaction, realizes biological denitrification reaction for transforming ammonia nitrogen into nitrogen in macrography. The invention is operated in one reactor at normal temperature without need of heating preprocessing waste water, saves energy, needs small accommodation area and reduces free nitrous cumulant of free nitrite to resist ammonia nitrogen with higher concentration. The invention adds powdery active carbon to form intensified granule sludge and self-cultures suspended sludge, thereby simplifying startup and running of the technology.

The invention relates to an instant rice food comprising the following raw materials (by weight ratio): oat 20-30 parts, black wheat 5-10 parts, Chinese sorghum 20-25 parts, buckwheat 15-20 parts, maize particles 15-20 parts. The food is prepared through the steps of immersing, boiling, immersing, and boiling again.

The invention discloses corn composite nutritive rice, which is obtained by uniformly mixing 40-55 parts by weight of whole corn flour, 15-25 parts by weight of coarse rice powder, 2-4 parts by weight of konjac powder and 0-10 parts by weight of whole meal according to a certain proportion, adding water and stirring to dough, extruding to rice grains through a granulator and drying through microwave. According to the composite healthcare nutritive rice, the nutritional ingredients and the healthcare ingredients of the whole corn flour, the coarse rice powder, the konjac powder and the whole meal are overlapped and compounded, so that the nutrition and healthcare effects are better, the vices of poor taste of brown rice and poor taste of corn when eating separately are made up, and the corn composite nutritive rice has positive action for improving physical fitness of the whole people; the corn is added in the brown rice with lower price, the cost of the composite healthcare nutritive rice is reduced, non-grain is changed to grain, the coarse grain is changed to fine grain, and the corn composite nutritive rice has important significance for ensuring national grain safety; after the corn composite healthcare nutritive rice is developed, farmers become rich and rural economy development is promoted.

The invention discloses konjac composite nutritive rice, which is obtained by uniformly mixing 10-20 parts by weight of konjac flavor powder, 10-30 parts by weight of coarse rice powder, 15-25 parts by weight of whole corn flour, 25-35 parts by weight of whole sweet potato flour, adding water and stirring to dough, extruding to rice grains through a granulator and drying through microwave. According to the composite healthcare nutritive rice, the nutritional ingredients and the healthcare ingredients of the konjac flavor powder, the coarse rice powder, the whole corn flour and the whole sweet potato flour are overlapped and compounded, so that the nutrition and healthcare effects are better, the vices of poor taste of the brown rice and the corn and poor taste of konjac when eating separately are made up, and the konjac composite nutritive rice has positive action for improving physical fitness of the whole people; the konjac is added in the brown rice with lower price, the cost of the composite healthcare nutritive rice is reduced, non-grain is changed to grain, the coarse grain is changed to fine grain, and the konjac composite nutritive rice has important significance for ensuring national grain safety; after the konjac composite healthcare nutritive rice is developed, farmers become rich and rural economy development is promoted.

The invention discloses an emulsion type waterproof corrosion-resistant acrylate exterior wall coating, comprising the following raw materials by weight: 50 to 60 parts of a base material, 5 to 15 parts of an alcohol-ester 12 film-forming additive and 30 to 40 parts of an accessory material. The base material comprises the following raw materials by weight: 5 to 10 parts of a drying oil alkyd resin, 50 to 60 parts of acrylic emulsion, 30 to 40 parts of silica sol, 2 to 6 parts of a coupling agent and 1 to 4 parts of sodium butylnaphthalenesulfonate. The accessory material comprises the following raw materials by weight: 20 to 25 parts of borax, 15 to 20 parts of light calcium carbonate, 15 to 20 parts of titanium dioxide, 18 to 23 parts of wollastonite powder, 5 to 10 parts of nanometer zinc oxide, 0.5 to 1 part of polyvinylpyrrolidone, 0.5 to 1.5 parts of an antifoaming agent, 0.8 to 1.3 parts of carboxymethylcellulose sodium, 1 to 2 parts of 1,2-benzoisothiazole-3-one, 1 to 1.3 parts of ammonia water, 10 to 15 parts of water and 2 to 5 parts of methyl nylon acid ester. The emulsion type waterproof corrosion-resistant acrylate exterior wall coating has excellent waterproof performance, good corrosion resistance and long service life.

The invention discloses a manual pecan shell breaking device comprising a frame. The frame is provided with a feeding hopper, a transmission mechanism and a shell breaking mechanism. The transmission mechanism comprises a first central shaft and a second central shaft which are mounted on the frame, the first central shaft is provided with a small gear, the second central shaft is provided with a large gear, and the small gear and the large gear are mounted in an engaged manner; a hitting drum is fixedly connected to the first central shaft, and a material carrying drum is fixedly connected to the second central shaft; the circumference of the hitting drum is provided with evenly-distributed radial arc hitting wheel grooves along the axis, the hitting drum is provided with hitting wheel shafts sleeved with hitting wheels, and the hitting wheels are located in the arc hitting wheel grooves. Evenly-distributed spherical pits are formed in the circumference of the material carrying roller axially. The device has the advantages that structure is simple, usage is facilitated, requirements of pecan sorting are lowered, processing efficiency is improved greatly, and processing cost is reduced.

The invention provides preparation of a novel thermal insulation material and a coating thereof, and belongs to the technical field of energy-saving coatings. The preparation method comprises the following steps of: with a nanometer substance as a template, preparing hollow silica nanoparticles; wrapping a layer of titanium dioxide capable of reflecting ultraviolet on the surfaces of the hollow silica nanoparticles so as to obtain hollow silica nanoparticles modified by titanium dioxide; and then preparing the coating from the hollow silica nanoparticles modified by titanium dioxide and film forming matter, thus obtaining the thermal insulation material. The thermal insulation performance of the thermal insulation material is greatly improved because of the special nano-structure of the hollow silica nanoparticles and the function of the titanium dioxide on the surface on reflecting the ultraviolet.

The invention discloses a waterproof corrosion-resistant acrylate exterior wall paint, comprising the following raw materials by weight: 20 to 30% of acrylate emulsion, 20 to 30% of styrene acrylic emulsion, 40 to 50% of an accessory material and 2 to 6% of propylene glycol monomethyl ether acetate. The acrylate emulsion is prepared through the following process procedures: placing 40 to 50 parts by weight of CB-700 acrylic acid emulsion and 40 to 50 parts by weight of a silica sol in a reactor; carrying out high-speed uniform stirring at 70 to 75 DEG C; and then adding 2 to 5 parts of a coupling agent and 2 to 4 parts of modified sodium laurylsulfate and carrying out uniform stirring. The accessory material comprises the following raw materials by weight: 5 to 15 parts of titanium trioxide, 5 to 8 parts of heavy calcium carbonate, 20 to 25 parts of titanium dioxide, 5 to 15 parts of wollastonite powder, 0.5 to 1 part of a wetting dispersant, 1.5 to 2 parts of an antifoaming agent, 0.8 to 1.5 parts of carboxymethyl cellulose, 1 to 2.5 parts of 1,2-benzoisothiazole-3-one, 1 to 1.3 parts of ammonia water, 5 to 10 parts of water and 5 to 10 parts of methyl nylon acid ester. The waterproof corrosion-resistant acrylate exterior wall paint has excellent waterproof performance, good corrosion resistance and long service life.

The invention belongs to the field of food processing and discloses a preparation method of crispy instant lotus seeds. The method comprises the following concrete steps: drying lotus seeds, pretreating (peeling and removing core), soaking, freezing, steaming and boiling, hydrolyzing with enzyme, deactivating the enzyme and seasoning, drying, baking, spraying oil, cooling and packaging to obtain finished products. The preparation method has the advantages that the lotus seeds after being treated suffer from no loss of nutritional ingredients, have a crispy mouthfeel, and can be eaten instantly and conveniently; the operation is simple and convenient; and low requirements are imposed on instruments.

The invention provides quinoa granule milk and a preparation method thereof. The method comprises the steps as follows: (1) raw milk is preheated to 75-80 DEG C and then uniformly mixed with gellan gum, an emulsifier, a sweetening agent and quinoa flour, the obtained mixture is homogenized, sterilized and cooled, and a premix is obtained; (2) quinoa granules are heated to 10-15 min in boiling water and cooled, and precooked quinoa granules are obtained; (3) the premix and the precooked quinoa granules are mixed and a mixed solution is obtained; and (4) the mixed solution is subjected to volumemetering, standardization, filling and ultrahigh-pressure sterilization, and quinoa granule milk is obtained. The quinoa granule milk is prepared from components in percentage by mass as follows: 50%-70% of the raw milk, 0.04%-0.05% of the gellan gum, 0.08%-0.15% of the emulsifier, 1%-3% of the quinoa granules, 2%-3% of quinoa flour, 0-7% of the sweetening agent and the balance of water. The quinoa granules of the quinoa granule milk are suspended stably and complete, taste elastic and have comprehensive nutrition and healthcare functions.

The invention relates to steam-pressurized concrete block plastering masonry general mortar and a preparation process. The general mortar comprises the following components in parts by weight: 40-50 parts of ordinary Portland cement, 30-48 parts of sandstone, 10-25 parts of vitrification micro-beads, 0-2 parts of latex powder, 0.2-0.3 part of PP fibers, 0.05-0.1 part of a water reducing agent, 0.3-1 part of cellulose ether, 0.01-0.04 part of starch ether, 0-0.08 part of a defoaming agent and 0-0.4 part of an early strength agent. The general mortar provided by the invention is small in density, light in self-weight, low in thermal conductivity, good in adhesion, good in heat preservation and good in crack resistance, and the mortar joint masonry is not more than 5 mm, the thickness of a plaster layer is less than 5 mm, the construction efficiency is improved, the thermal conductivity is equivalent to that of a steam-pressurized concrete block, and a whole can be formed, so that the self-weight of a wall is reduced, the phenomenon of thermal bridges in the wall is eliminated, and the phenomena of hollow and cracking are avoided.

The invention relates to a magnetic single-core double-shell type porous calcium silicate material and a preparation method thereof. The method comprises the steps as follows: on the basis of acetaldehyde as a reducing agent, ethylene glycol as a solvent as well as polyethylene glycol and polyvinylpyrrolidone which are used cooperatively as a template agent and a dispersing agent, ferric salt is reduced with participation of acetate, ferroferric oxide microspheres are obtained and dispersed in ethanol-water, tetramethylammonium hydroxide is used as alkali to hydrolyze tetraethyl orthosilicate,silica is generated, the surface of ferroferric oxide microspheres is directly coated with silica, and Fe3O4@SiO2 microspheres are formed; the microspheres are directly dispersed in anhydrous ethanolwithout drying, silicate and calcium salt as raw materials are used for in-situ synthesis on the surface of the Fe3O4@SiO2 microspheres, a product directly wraps porous calcium silicate, and the particle surface is coated with unstable and excessively thick calcium silicate by ultrasonic dispersion and mechanical stirring, and a product is obtained. The obtained product has excellent adsorption performance on heavy metals, excellent separation performance and relatively stable use process.

The invention provides a preparation method of monodispersed mesoporous silica, and a nano-composite foaming agent as well as a preparation method and application thereof. The preparation method of the monodispersed mesoporous silica comprises the steps of preparing silica sol by taking monatomic silicon powder as a silicon source, adjusting the particle sizes of the silica sol by supplementing silica powder and a sodium hydroxide solution, synthesizing the silica sol into urea formaldehyde resin / SiO2 composite microspheres by using a polymerization-induced colloid aggregation method, and calcining to obtain the monodispersed mesoporous silica. The nano-composite foaming agent is prepared by compounding the monodispersed mesoporous silica and azodicarbonamide. The composite foaming agent prepared by the method not only is small in particle size, and is high in loading amount of a chemical foaming agent, thus being used for preparing microcellular foam plastics with better foaming quality and having wide application prospect.

The invention relates to a preprocessing method of kidney beans. The method comprises the following steps that cleaned kidney beans of which impurities are removed are subjected to constant-temperature soaking, low-pressure stewing, hot-air drying and microwave puffing, so that the kidney beans can fully absorb water to ensure that part of the kidney beans are pasted; the content of water is removed in a hot-air drying process and the interior structure of grains is loosened by means of microwave puffing so as to form a large quantity of gaps and channels, and thus, re-watering is facilitated, and the content of water is continuously reduced at the same time. The appearance shape of the processed kidney beans is not obviously changed, the pasting degree is improved, the re-watering speed is high, the stewing performance is improved, the expiration date of a dried product is long, the problems of long stewing time, difficulty in water absorption, hard taste and the like of the kidney beans can be solved, the nutrition and the flavor of the kidney beans are reserved, and the requirement that the kidney beans can be cooked and boiled together with the rice can be met.

The invention relates to a method for preparing honey strawberries, which belongs to the field of food processing. The method for making the honey strawberries comprises the following steps: a, selecting ripe and fresh strawberries, removing foreign matters and impurities, picking off sepals, roots and pedicles, cleaning the strawberries with clear water, and then drying the strawberries for standby; b, mixing 50 portions of water, 80 portions of white granulated sugar and 35 portions of starch syrup in portion by weight, heating and sterilizing the mixture, fully melting the white granulated sugar and the starch syrup to obtain clear and transparent honey solution, and then cooling the honey solution to 30 DEG C for standby; c, adding the strawberries to the honey solution until the strawberries are completely immersed in the honey solution, and keeping the temperature of 30+ / -2 DEG C for processing the mixture with honey for 12 hours; and d, drying the honey solution and rapidly freezing the same hard at a temperature of between 35 and 37 DEG C below zero to obtain the honey strawberries. The method has advantages of advanced method of processing with the honey, reasonable raw material formulation and natural mouthfeel of products in a low-temperature frozen state.

The invention discloses healthcare nutritive rice containing sweet potatoes and a method for preparing the same. The method comprises the following steps of slicing, drying and grinding the sweet potatoes, mixing the ground sweet potatoes and rice flour in a weight ratio of 4-3:1-2, stirring the mixture to obtain dough, extruding the dough by a granulator to obtain a rice-shaped product, and drying the product with microwave to obtain the finished product. According to the method, the sweet potatoes are added into the rice, the non-grains are changed into grains, and coarse grains are changed into refined grains, so the invention has great significance for guaranteeing the food security and also provides the healthcare nutritive rice containing sweet potatoes for human beings. The healthcare nutritive rice can not only provide heat, but also contain rich nutritive substances necessary for human body, such as proteins, phosphorus, calcium, iron, carotenes and vitamins; and moreover, the healthcare nutritive rice has nice taste and bright color, can keep a complete shape after being cooked, is soft and delicious, has light fragrance and is suitable for the young as well as the old.

The present invention discloses a cold storage method of modified atmosphere packaged carya illinoinensis kernels. The method is characterized by comprising the following steps of carya illinoinensis collecting and picking, sectional drying technology using in an oven, then static irradiation technology conducting, and then modified atmosphere packaging and cold storing. A processing technology of cream flavored carya illinoinensis kernels comprises the following steps of firstly shelling and washing, then pre-cooking to be tasty, then drying and dehydrating, stir-frying, cooling and sterilizing, and N<2> filled modified atmosphere packaging.

The invention provides a microwave hydrothermal synthesizing method for carbon nanotube / LiFePO4 lithium ion battery anode material. The method comprises the following steps of respectively adding LiOH*H2O or Li2CO3 and NH4H2PO4 and FeC2O4*2H2O in deionized water, obtaining solution A; adding citric acid into the solution A, obtaining solution B; dispersing carbon nanotube (CNT) in concentrated HNO3 for soaking, and ultrasonic washing the CNT, obtaining purified CNT; adding the purified CNT in the solution B, obtaining reaction liquid; pouring the reaction liquid in a microwave hydrothermal kettle, sealing the microwave hydrothermal kettle, placing the sealed microwave hydrothermal kettle in a temperature and pressure doubly-controlled microwave hydrothermal reaction instrument for reacting, after the reaction is finished, naturally cooling the reactant to a room temperature, performing centrifugal separation for the reactant, washing the reactant by deionized water and absolute ethyl alcohol respectively, and then drying the reactant in a vacuum drying box, obtaining the carbon nanotube / LiFePO4 lithium ion battery anode material. According to the method provided by the invention, the microwave method and hydrothermal method are combined, so that the preparation of LiFePO4 lithium ion compound battery power body can be finished in the liquid phase at one step, the operation is simple, subsequent annealing heat treatment is not required, the reaction temperature is low, the reaction period is short, and the energy consumption is small, and moreover, the preparation cost of apower body can be reduced.

The invention discloses a waterproof weather-resistant acrylate exterior wall coating, comprising the following raw materials by weight: 20 to 30% of acrylate emulsion, 5 to 15% of ethylene-vinyl acetate copolymer emulsion, 20 to 30% of paraffin emulsion, 2 to 6% of propylene glycol monomethyl ether acetate and 40 to 50% of an accessory material. The acrylate emulsion is prepared through the following process procedures: placing 40 to 55 parts by weight of acrylate copolymer emulsion and 40 to 50 parts by weight of a silica sol in a reactor; carrying out high-speed uniform stirring at 65 to 70 DEG C; and then adding 2 to 4 parts of a coupling agent and 2 to 4 parts of modified sodium laurylsulfate and carrying out uniform stirring. The accessory material comprises, by weight, 10 to 16 parts of barite powder, 10 to 15 parts of wollastonite powder, 15 to 20 parts of titanium dioxide, 0.5 to 1.3 parts of a wetting dispersant, 1.5 to 3 parts of an antifoaming agent, 1 to 1.5 parts of hydroxyethyl cellulose, 1 to 1.8 parts of 1,2-benzoisothiazole-3-one, 1 to 1.2 parts of ammonia water and 6 to 12 parts of water.

The invention discloses an acid rain-resistant acrylate exterior wall paint. The paint comprises the following raw materials by weight: 40 to 50 parts of a base material, 2 to 6 parts of an F-974 film forming auxiliary agent and 40 to 50 parts of an accessory material. The base material comprises the following raw materials by weight: 50 to 60 parts of a CB-700 acrylate emulsion, 30 to 40 parts of a silica sol, 2 to 6 parts of a coupling agent and 1 to 4 parts of an emulsifier. The accessory material comprises the following raw materials by weight: 5 to 15 parts of white cement, 20 to 25 parts of titanium dioxide, 5 to 15 parts of wollastonite powder, 5 to 8 parts of talcum powder, 0.4 to 0.8 part of a wetting dispersant, 1 to 3 parts of an antifoaming agent, 0.5 to 1 part of hydroxyethyl cellulose, 1.5 to 2 parts of 1,2-benzoisothiazole-3-one, 0.5 to 1.5 parts of ammonia water, 8 to 12 parts of water and 1 to 3 parts of methyl nylon acid ester. The paint has excellent water resistance, good corrosion resistance and good versatility.

The invention discloses probiotic pressed candy and a production method thereof; the probiotic pressed candy is made from, by weight, 40-70 parts of starch, 10-30 parts of xylooligosaccharide, 20-40 parts of erythritol, 10-20 parts of glutamine, 5-15 parts of skim milk powder, 3-5 parts of probiotic powder, and 0.5-1.5 parts of magnesium stearate. The probiotic pressed candy is high in probiotic count and activity, and has the physiological functions of promoting intestinal digestive system functionality, maintaining gastric and intestinal mucosal health, enhancing human immunity and the like.

The invention discloses a peeling method of walnut kernels. The peeling method of the walnut kernels includes: picking walnut kernel raw materials; dipping the walnut kernel raw materials in a hot NaHCO3 solution; dipping the walnut kernel raw materials in ice water; washing the walnut kernel raw materials; using normal temperature water to rinse the walnut kernel raw materials, and completing peeling. The peeling method of the walnut kernels obtains peeling rate above 98%, and then the walnut kernels after being peeled are complete in particle, white and savory, hard and fragile in texture, smooth in taste, and small in nutrient loss.

The invention discloses fruit grain honey tea. The raw materials comprise the following components in percentage by weight: 45-50 percent of main ingredients and 50-55 percent of burdening, wherein the main ingredients comprise one or several in rubus chingii hu fruits, blueberry, blackberry, blackcurrant, lonicera caerulea, strawberry, wolfberry fruit, physalis pubescens and other small berries; the burdening comprises 40-45 percent of white granulated sugar, 1-5 percent of honey and 1-5 percent of trehalose. The invention also discloses a method for manufacturing the fruit grain honey tea. The method comprises the following steps of: selecting and cleaning raw materials, performing vacuum sugaring, sterilizing, stewing fructose syrup, packaging, disinfecting and the like. By adopting the technical scheme, the main ingredients are fresh or frozen mature fruits and zero in mildew, zero in impurity, zero in odor, complete in granules and bright in color, and the physical and chemical indicators accord with national food grade rules; moreover, the fruits serving as main ingredients in the production process are not stewed at high temperature, water is not added when the pulp is boiled out, and after the main ingredients are dehydrated through sugaring, the nutritional ingredients, color, aroma and taste of the original fruits are kept.

The invention discloses an oolong tea sugar-free buccal tablet which is prepared from the following raw materials by weight percentage: 8-12% of instant oolong tea powder, 60-70% of xylitol, 10-20% of beta-cyclodextrin, 2-5% of citric acid, 0.2-0.5% of sucralose, 0.2-0.6% of vitamin C, 0.4-0.6% of vanillin and 1-2% of magnesium stearate, wherein the sum of the weight percentages of all the raw materials is equal to 100%. Meanwhile, the invention discloses a preparation method of the oolong tea sugar-free buccal tablet. The preparation method comprises the steps of: pre-treating the raw materials, preparing raw material powder, and granulating and pressing. The prepared oolong tea sugar-free buccal tablet disclosed by the invention has the advantages of being uniform in color and luster, good in rigidity, rich in tea perfume after being placed into a mouth, fine and smooth in mouth feel, cool and palatable, and good in disintegrative performance.

The invention belongs to the field of food processing, and particularly relates to a formula and making technology of a soaked highland barley tea. The formula and the making technology are characterized in that the formula comprises the following raw material components in parts by weight: 67-73 parts of highland barley and 22-27 parts of snow chrysanthemums, and the making technology comprises the following steps of selecting raw materials namely the highland barley, cleaning the selected highland barley, soaking the cleaned highland barley at low temperature, drying the surface of the soaked highland barley, crushing the highland barley with the dried surface and other raw materials, baking granules, stir-frying the baked granules and the like. According to the highland barley tea made by the formula and the making technology disclosed by the invention, a small number of highland snow chrysanthemums are added to the highland barley tea in a soaking manner, so that the soup color is golden and bright, the highland barley tea is mellow and natural in fragrance and mellow in mouth feel, and people can absorb beneficial ingredients namely beta-glucan in the highland barley during tasting tea cheerfully.

The invention relates to microcapsule powder with a high embedding rate and a preparation method of the microcapsule powder, and belongs to the technical field of food processing. The method comprises the following steps: mixing, shearing, defoaming and homogenizing thermal denaturation whey protein isolate and medium chain triglyceride or fish oil to form an oil-in-water emulsion, then adding natural whey protein isolate, mixing, shearing, defoaming and homogenizing, finally adding maltodextrin, mixing, shearing, defoaming and homogenizing, and spray-drying to obtain microcapsule powder. The obtained microcapsule powder is low in surface oil content, high in embedding rate, complete in particle and good in oxidation stability under the condition of low wall-core ratio, and oxidation of fish oil can be effectively delayed and inhibited. The microcapsule powder carrier can be used for embedding active ingredients or functional grease, and the preparation method is simple in process and easy to industrially popularize and apply.

The invention relates to a preparation method of a high-strength thermal insulation concrete plate, and belongs to the technical field of building materials. Gypsum whiskers are used as a raw materialto prepare the high-strength thermal insulation concrete plate, and the gypsum whiskers should be uniform in size and stable in structure, As the atomic structure arrangement of the whiskers is highly ordered during crystallization and is approximate to that of an intact crystal, the strength of the whiskers is close to the theoretical strength of valence bonds among atoms of the material and farexceeds that of various fortifiers used at present, and the strength of the concrete plate can be effectively reinforced. Modified glass beads are added to prepare the high-strength thermal insulation concrete plate. The outer walls of the hollow glass beads are made of glass, so that the hollow glass beads have high compression resistance, and the added glass beads can significantly improve thecompressive strength of the concrete. The thermal expansion coefficient of the hollow glass beads is small, and the stability of the performance of the concrete can be ensured. The glass beads are filled with inert gas, so that the hollow glass beads have good sound insulation and heat preservation performance.

The invention discloses application of a butadiene-b-isoprene polymer. The application is to copolymerize the linear or star-shaped butadiene-b-isoprene polymer with styrene in a grafted manner to prepare high impact polystyrene. The prepared high impact polystyrene is high in impact strength and high in bending performance; furthermore, the heat resistance and the elongation are obviously improved when compared with the heat resistance and the elongation of HIPS (high impact polystyrene) resin prepared from polybutadiene rubber.