41results about How to "Good freezing resistance" patented technology

The invention provides an anti-cracking method for quickly frozen glue pudding of low production cost and high product quality. In order to reach the goal, the invention adopts the following technical scheme that: 1-8 percent of DHC-F7101 modified starch and 1-8 percent of trehalose by weight percent are added in glutinous rice flour and are evenly mixed. By adopting the technical scheme, the water retaining capacity and the low-temperature stability of the glutinous rice flour are good, and the damage rate and the frost cracking rate caused by water loss and product temperature fluctuation during processing, storage, logistics and sales of the quickly frozen flue pudding are well improved. The glue pudding is prevented from being cracked, so the production cost is reduced, the return rate is reduced, the product quality is improved and the product shelf life is prolonged.

A creamy, milk-free oil-in-water emulsion (o / w emulsion) having an aqueous phase (a) which contains water, water-soluble carbohydrate, hydrocolloid and optionally further hydrophilic constituents, and an oil phase (b), which contains edible oil and / or edible fat, emulsifier and optionally further lipophilic constituents. The weight ratio of the aqueous phase to the oil phase (a:b) is in the range of 9:1 to 6:4. The creamy, milk-free o / w emulsion is used as a cream substitute in cake and pastry and dessert products.

The invention relates to phenol type polyester wire enamel and a preparation method thereof. The phenol type polyester wire enamel is mainly prepared by mixing raw material components including methylphenol, trimellitic anhydride, diaminodiphenyl methane, cis-butenedioic anhydride, acrylic ester, glycerol, neopentyl glycol, dimethyl terephthalate, titanium tetrabutoxide, attapulgite and an additive according to a certain weight part ration, and reacting to obtain finished product. The preparation method disclosed by the invention is simple and low in cost; and the prepared wire enamel has high heat resistance, solvent resistance and freezing resistance.

A freezing-resistant yeast strain for bread fermentation and a breeding method thereof. The yeast strain provided by the invention is saccharomyces cerevisiae BT-N with an accession number of CGMCC No.7151. When other fermentation performance is not influenced, the strain has a cell freezing survival rate of 92.75% after being frozen at -20 DEG C for 21 days and has a relative fermentation capacity of 53.24%, which are increased by 57.39% and 24.78% respectively when compared with parent strains (who have a freezing survival rate is 35.36% and have a relative fermentation capacity of 28.46%). The strain is realized by knocking out of the neutral trehalase coding gene NTH1 of saccharomyces cerevisiae CICC31616, and overexpression of the trehalose-6-phosphate synthase coding gene TPS1 by selecting a strong promoter PGK1. The bred yeast strain has no special requirements for fermentation equipment or conditions, can be used by equipment and under conditions of common factories, and has wide application prospects.

The invention discloses a nanometer Al2O3-Ca<2+>-based metakaolin geopolymer road repairing material. A formula comprises nanometer Al2O3, Ca(OH)2, calcined kaolin, sodium silicate, sodium hydroxide and distilled water according to a mass ratio of 0.02 to 0.1 to 1 to 0.1 to 0.05 to 0.3. A metakaolin geopolymer has good interfacial bond property and excellent durability and heat resistance, can beused for well repairing cracks and pit slots on a road, and can improve the service life of the road repairing material. Tests show that by adding the Ca(OH)2 into the metakaolin geopolymer, the setting time of the road repairing material can be shortened, and by adding the Al2O3, the compressive strength of the road repairing material can be obviously increased. The 1d compressive strength of theroad repairing material can reach 31 MPa; the initial and final setting time of the road repairing material is respectively 60 min and 295 min; the mechanical property is excellent; and the road repairing material can replace cement as a new green building material to a certain extent, and has a good application prospect.

The invention discloses tunnel fireproof paint and a preparation method thereof. The tunnel fireproof paint comprises, by weight, 10-15 parts of high-alumina cement, 25-35 parts of Portland cement, 1-5 parts of expanded perlite, 1-5 parts of expanded, 1-5 parts of ultrafine powder, 1-5 parts of and 3-5 parts of auxiliary. Calcium carbonate superfine powder and mica superfine powder of 0.01-0.1um in grain size are added, so that bonding strength and anti-scouring performance of a coating are enhanced; a combination of acrylic emusion, the high-alumina cement and the Portland cement is added forchemical reaction, so that the formed surface coating is waterproof, the combination can permeate into a substrate to form crystals to check passing of water, and double waterproof effect is realized; structure is stabilized, thickness of the coating is lowered, and the tunnel fireproof paint has the advantages of thin coating, high bonding strength, high fireproofness, high waterproofness and environment friendliness.

The invention relates to a preparation method of an aluminum alloy surface film, and belongs to the technical field of surface films. The aluminum alloy surface film is prepared by adding cerium, corrosion of the external corrosion atmosphere to the surface of a matrix material and permeation of corrosion liquid to a conversion film are effectively blocked or delayed, an aluminum alloy matrix is protected against corrosion, and the corrosion resistance of aluminum alloy is improved. As a silicon dioxide ceramic film is prepared on the surface of the aluminum alloy, the corrosion resistance ofthe aluminum alloy is improved, the chemical properties of silicon dioxide are stable, and the etching-resistant capacity is high; and sol-gel method equipment adopted for preparing the silicon dioxide ceramic film is simple, the sintering temperature is low, large workpieces can be coated, good repeatability is achieved, the grain diameter of coating components is controllable, dispersion of themolecular level among the components can be achieved, the surface of the aluminum alloy can be effectively coated with the silicon dioxide ceramic film, the aluminum alloy matrix can be effectively protected against corrosion, and therefore the use time of the aluminum alloy is prolonged.

The purpose of the present invention is to provide a coating composition for bakery food products, which coating composition is capable of offering a variety of flavors, has superior moisture-retaining property, the coating composition being pleasantly mild, smooth and flexible and in the form of gel; as well as a bakery food product coated with the coating composition. The above problem is solved by the coating composition for bakery food products of the present invention, said coating composition comprising agar, a saccharide, a modified starch and water, which coating composition is in the form of gel.

The invention relates to heat-resistance polyesterimide wire enamel and a preparation method thereof. The heat-resistance polyesterimide wire enamel is mainly prepared by mixing raw material components including dimethyl phenol, trimellitic anhydride, diaminodiphenyl methane, cis-butenedioic anhydride, acrylic ester, glycerol, glycol, dimethyl terephthalate, straw ash, titanium tetrabutoxide, attapulgite, N-methyl pyrrolidone and chlorinated olefin according to a certain weight part ratio, and reacting to obtain a finished product. The preparation method disclosed by the invention is simple and low in cost; and the prepared wire enamel has high heat resistance, solvent resistance and freezing resistance.

The invention relates to a polyesterimide copper clad aluminum enameled wire enamel and a preparation method thereof. The preparation method mainly comprises the step of mixing the component raw materials of dimethyl phenol, maleic anhydride, acrylic ester, diamino diphenylmeth, glycerol, glycol, dimethyl terephthalate, straw ashes, tetrabutyl titanyl, attapulgite, N-methylpyrrolidone and chlorinated olefin according to a certain weight part to react to obtain the finished product. The preparation method provided by the invention is simple and low in cost, and the prepared enameled wire enamel has good heat resistance, solvent resistance and freezing resistance.

Disclosed are a gene capable of enhancing low temperature properties (low temperature fermentation ability and / or resistance to freezing stress), and use of the gene. Particularly, disclosed are a brewing yeast having excellent low temperature properties, an alcoholic beverage produced using the yeast, a method for production of the alcoholic beverage, and others. More specifically, disclosed are a gene DLT1 encoding DLT1p which can enhance the low temperature properties of a brewing yeast, an yeast which is improved in low temperature properties by increasing the expression amount of a nonScDLT1 gene that is characteristic of a brewer's yeast, a method for production of an alcoholic beverage using the yeast, and others.

The invention discloses instant cold noodles and a making method, and mainly relates to the field of instant cold noodles and making methods. The raw materials of the instant cold noodles comprise flour paste and auxiliary materials in the weight ratio of (10-8):1, and the auxiliary materials comprise the following components in parts by weight: 200-400 parts of xanthan gum, 100-300 parts of gellan gum, 200-300 parts of guar gum, 100-300 parts of sodium polyacrylate, 100-200 parts of sodium tripolyphosphate, 200-300 parts of sodium hexametaphosphate, 50-150 parts of carboxymethyl cellulose, 1500-3000 parts of acetylated distarch adipate, 400-600 parts of soybean lecithin, 10-80 parts of potassium sorbate, 10-80 parts of nisin, 0.1-10 parts of natamycin, 10-100 parts of sodium dehydroacetate, 0.1-20 parts of azodicarbonamide, 500-1000 parts of polydimethylsiloxane emulsion and 1000-5000 parts of edible glycerol. The instant cold noodles and the making method have the beneficial effectsthat the standardized production of cold noodle production can be realized, the production period is shortened, a relatively long shelf life is obtained, and the frozen cold noodles can be eaten afterbeing heated.

The invention provides a solar selective absorbing coating and a preparation method thereof. The solar selective absorbing coating is prepared from the following raw materials: a light absorbing agent, a heat conducting aid, diisocyanate, polyether polyol, a chain extender, a dispersing agent, a solvent, other aids and the like. According to the solar selective absorbing coating provided by the invention, the adopted light absorbing agent is spinel type ternary transition metal oxide, the solar selective efficiency is high, the photo-thermal conversion efficiency is high, the polymer is a single-component polyurethane system, the solvent is environment-friendly, and the product is good in mechanical strength and excellent in toughness; and especially, the coating has excellent aging resistance, high and low temperature resistance, water resistance, freezing resistance and the like, is a single component, does not need to be blended on site, and is convenient for construction.

The invention discloses a double-layer tear-resistant and refrigerant-resistant enameled aluminum round wire, which comprises a conductor, wherein the outer side of the conductor is provided with a double-layer composite paint film layer, the double-layer composite paint film layer includes variable frequency resistant resin paint and refrigerant-resistant polyamide-imide polyester paint, the outer side of the double-layer composite paint film layer is provided with a polyester-imide paint layer, and the outer layer of the polyester-imide paint layer is provided with a fluorine-containing organic polymer toughening polyamide-imide paint layer. The double-layer tear-resistant and refrigerant-resistant enameled aluminum round wire is provided with the fluorine-containing organic polymer toughening polyamide-imide paint layer, and the added fluorine-containing organic polymer itself has certain lubricity, so that the lubrication effect is good, and the probability of tearing and paint film damage during the winding of enameled wire products is reduced. Meanwhile, the wire is provided with the double-layer composite paint film layer, the utilization of the refrigerant-resistant polyamide-imide polyester paint enables the wire to be good in freezing resistance and solvent resistance, and the wire can be applicable to motor and electrical equipment products in high-temperature, overload and other severe environments.

The invention relates to a cement-based penetrable crystallized waterproof paint, a preparation method and a construction method thereof. The cement-based penetrable crystallized waterproof paint is prepared from the following raw materials in percentage by weight: 65 to 70 percent of cement, 3 to 10 percent of modified bentonite, 2 to 5 percent of modified sodium silicate, 1 to 5 percent of diffusant, 0.5 to 1 percent of penetrant, 2 to 10 percent of wollastonite and 15 to 25 percent of quartz sand. The waterproof paint can recover minute cracks on concrete interfaces and inhibit the water seepage and damp of base interfaces effectively. In addition, the waterproof paint is high in capacity of freezing resistance, high-temperature resistance, chloridion resistance and acid and alkali resistance, and has a long waterproof effect. According to the cement-based penetrable crystallized waterproof paint, leveling layers on the concrete interfaces are saved, and protective layers are savedafter the concrete interfaces are coated, so the waterproof construction is simple. The cement-based penetrable crystallized waterproof paint is suitable for constructional engineering such as underground engineering, subway tunnels, civil air-defense construction, water ponds, oil sumps, sewage tanks, barns, bathrooms, roof squares, parking platforms, high-grade roadways and the like, and is used for processing defects of cracks, honeycomb pitted surfaces and the like of the concrete interfaces.

The invention provides a preparation method of a puncture-resistant high-barrier co-extrusion film, relates to the technical field of packaging materials, and solves the technical problems that a PE film and a PP film in the prior art are low in puncture resistance, poor in tensile resistance and low-temperature resistance and prone to bag breaking and poor sealing. The co-extrusion film comprisesa composite layer, a first core layer, a second core layer and a heat sealing layer, and the co-extrusion film is formed by blow molding and co-extrusion of the composite layer, the first core layer,the second core layer and the heat sealing layer which are sequentially arranged. The co-extrusion film provided by the invention integrates a series of mechanical properties such as puncture resistance, stretching resistance, impact resistance, tear resistance and the like, and in addition, on the premise of ensuring the mechanical properties, the processability of a product and the use performance of a client need to be met at the same time.

The invention relates to grease resisting and freezing resisting printing ink. The printing ink comprises polyurethane resin, nitrocotton, castor oil, dispersing agents, chelate, pigments and organic solvents. The printing ink is low in cost and wide in application color range, and the printing ink has good grease resisting performance and freezing resisting performance through the polyurethane resin and the castor oil, and is suitable for printing of canned potato chip packages.

The invention discloses a production technology of artificial colored quartz sand. The technology includes the steps of: 1. adding 88%-92% by weight of quartz sand, 4%-6% by weight of silica sol, 1.5%-2.5% by weight of alumina, 0.5%-1.5% by weight of magnesium oxide and 1.5%-2.5% by weight of inorganic toner into a mixer according to a proportion and blending the substances evenly; and 2. stirringthe raw materials evenly, then putting the mixture into an oven, and performing heat preservation at 150DEG C-200DEG C for 25min-35min. The artificial colored quartz sand produced by the technology provided by the invention has good water resistance, acid resistance, alkali resistance, freezing resistance and organic solvent resistance, good thermal stability, good color fastness, and color fastness under illumination, and is low in cost, thus improving the usability of the artificial colored quartz sand.

The invention discloses amino resin wire enamel which is prepared from raw materials in parts (kilogram) by weight as follows: 5-8 parts of trimellitic anhydride, 10-12 parts of maleic anhydride. 14-16 parts of hexamethylene diacrylate, 15-19 parts of E-12 epoxy resin, 6-8 parts of polyacrylamide, 12-15 parts of amino resin, 3-4 parts of sodium hexametaphosphate, 15-18 parts of polyvinylidene chloride, 6-10 parts of m-xylylenediamine, 15-20 parts of activated calcium carbonate, 12-15 parts of nylon 12, 7-9 parts of auxiliaries, 90-100 parts of cresol and 100-120 parts of dimethylbenzene. The preparation method is simple, the cost is low, and the prepared wire enamel has good heat resistance, refrigeration resistance, abrasion resistance and oil resistance.

The invention discloses an automatic device for sintering the bottom of a glass bottle making machine, which comprises a cam, a vertical shaft and a clamping device sequentially connected to the steering wheel of the main drive shaft, the cam and the steering wheel engage and rotate, and the vertical shaft is fixed on the clamping device And it cooperates with the cam to move up and down, the glass bottle to be processed is placed in the clamping device; the surface of the cam in contact with the steering wheel includes at least one flat section, and the flat section corresponds to the sintering position of the glass bottle. The glass bottle bottom automatic sintering device of the present invention is provided with at least one plane section on the cam, so that when the cam rotates to the sintering position, it can stay for a rotating plane section, thereby achieving the purpose of increasing the time for sintering the bottom of the bottle and realizing the bottom of the bottle. The increase in thickness finally achieves the enhancement of its freezing resistance, reduces its product rate and manufacturing cost, and improves its quality and service life.

The invention discloses an automatic bottle bottom sintering device of a glass bottle making machine. The automatic bottle bottom sintering device comprises a cam, a vertical shaft and a clamping device which are successively arranged on and connected with a steering wheel of a main transmission shaft, wherein the cam and the steering wheel rotate in an engaged way, the vertical shaft is fixed on the clamping device and cooperated with the cam to realize up-and-down movement, and a to-be-processed glass bottle is placed in the clamping device. The surface where the cam contacts with the steering wheel comprises at least one plane section which corresponds to a sintering position of the glass bottle. According to the invention, at least one plane section is arranged on the cam of the automatic glass bottle bottom sintering device, so the cam can retain for a time period of rotation of the plane section when the cam rotates to the sintering position; thus, time for sintering of bottle bottom is prolonged, the thickness of the bottle bottom is increased, refrigeration resistance of the glass bottle is eventually enhanced, the defective rate and manufacturing cost of the glass bottle are reduced, and the quality and service life of the glass bottle are improved.

The invention discloses an autoclaved sand-lime brick, which is made from 20-35% of oyster shell powder, 30-45% of construction waste, 20-35% of sand, 10-15% of lime, and 10-15% of chip powder. Pulverized and ground oyster shells (mussel shells) can be taken as a main material aggregate for producing the autoclaved sand-lime brick according to a reasonable ratio. According to the feature of the oyster shell powder, the quality (such as compression resistance and fracture resistance) of the brick is improved by no less than 30%, no pollution is caused during a grinding process, and the cementing material (such as cement, gypsum, and so on) is saved. Oyster shell incineration for ash production causes pollution due to coal burning, and what's more, oyster shells or mussel shells cannot be degraded, so that pollution generated in the coastal region troubles the government a lot and greatly affects livable city construction. If the production technology is implemented, people's livelihood and environment are improved, and the production technology conforms to the cyclic utilization policy greatly advocated by the government. Therefore, the purpose of wastes to valuables conversion and energy conservation and emission reduction are really achieved.

The invention discloses a polyester modified wire enamel, which is made of the following raw materials by weight parts(kg): 12-15 of amino resin, 12-14 of polyester resin (EL-1000H), 2-3 of ethylene bis stearamide, 6-9 of tetramethylethylenediamine, 12-16 of nylon 11, 1-2 of tungsten boride, 5-8 of 2-amino-2-methyl-1-propanol, 5-8 of attapulgite, 5-8 of diamino diphenyl ether, 10-12 of glycerol, 12-15 of ethylene glycol, 2-3 of straw ash, 2-3 of attapulgite, 30-35 of N-methylpyrrolidine, 1-2 of a promoter Na-22, 7-9 of an assistant, 90-100 of m, p-cresol, and 100-120 of dimethylbenzene. The preparation method provided by the invention is simple, and is low in cost. The prepared wire enamel has the advantages of good heat resistance and freeze resistance, and good wear resistance and oil resistance.