36results about How to "Good composition stability" patented technology

The invention discloses a moisture cured multi-constituties grafting solvent-based adhesive, which is prepared by processing the following components in part by weight: 5 to 15 parts of main body, 0 to 0.2 part of initiator, 0.2 to 10 parts of grafting monomer, 1 to 15 parts of thickening agent, 0 to 1 part of antioxidant, 0.5 to 2.5 parts of silane coupling agent and 31 to 95 parts of solvent through processes of grafting, coupling and the like. The adhesive does not contain toxic substances such as benzene and the like which are harmful to human bodies, and has the advantages of good stability of components of products, safety and environmental protection; and simultaneously, the adhesive has the excellent cohesive force for polar materials and nonpolar materials, can bond various materials such as rubber, leather, fabrics, foam plastics, PVC leather, PU leather, plastics, surface veneer of color prints and the like, and are widely suitable for vehicle material markets and shoe manufacturing industry.

The invention provides a polishing solution for electrochemical polishing of a nickel-titanium alloy, and belongs to the field of nickel-titanium alloy surface treatment. The polishing solution is composed of the following matter of, by volume, 22%-43% of concentrated sulfuric acid, 37%-50% of ethylene glycol, 5%-10% of an additive agent and the balance water. The invention further discloses a method for electrochemical polishing of the nickel-titanium alloy, the nickel-titanium alloy is treated as the anode, a stainless steel plate is treated as the cathode, the anode and the cathode are placed into the electrical polishing solution, and electrochemical polishing is conducted. The electrochemical polishing solution and the polishing method can be used for polishing a medical nickel-titanium alloy, the nickel-titanium alloy which is subjected to polishing treatment is good in corrosion resistance. The formula of the nickel-titanium alloy electrochemical polishing solution is not proneto volatilizing, stable and environmentally friendly, low in cost and good in operating environment.

The invention discloses environment-friendly VPI impregnated resin for a wind driven generator. The environment-friendly VPI impregnated resin comprises the following components by weight percent: heat-resistant bicyclic unsaturated polyester resin system, modified epoxy resin, a crosslinking agent, an initiator, a curing agent and an accelerator, wherein the heat-resistant bicyclic unsaturated polyester resin system consists of heat-resistant bicyclic unsaturated polyester resin and a crosslinking agent, and the system viscosity is 300-400s; the heat-resistant bicyclic unsaturated polyester resin is prepared through a condensation polymerization reaction of dicyclopentadiene, at least one polybasic acid and at least one polyhydric alcohol; the crosslinking agent is at least one of glycidyl methacrylate, dodecyl allyl acid ester, diacrylate phthalate and trimethylolpropane diallyl ester; and the modified epoxy resin is prepared by modifying unsaturated polyester. The impregnated resin has the characteristics of good storage stability, good heat resistance, high mechanical strength of cured products, high bonding strength, good electrical insulation property, low dielectric loss, low water absorption and the like and is widely applicable.

The invention discloses a super natural yeast composition and an application thereof in cosmetics. The invention provides the super natural yeast composition obtained by long-term low temperature culture, fermentation and later special treatment; the sources of raw materials are natural and pure, the yeast extraction utilization rate is high, the optimization effect of the smell of the product isobvious, the utilization rate of an additive is significantly reduced, the natural yeast contains rich active yeast, yeast contents, yeast fermentation substances and other substances, and can effectively complement amino acids, vitamins, minerals and other nutrients needed for human bodies; meanwhile, the super natural yeast composition also contains natural plant conditioners and powdered raw materials, can be supplied for the yeast culture and maintain the yeast fermentation, can also be used for deeply conditioning skin when used in the human skin, and maintains the skin in a healthy and balanced state; in addition, the super natural yeast composition prepared by combination of the natural yeast, the natural plant conditioner and the powdered raw materials has various superior efficacies and synergistic effects in skin care and beautifying.

An essence composition for resisting allergy and diminishing inflammation of head is prepared from the following components: water, sodium hyaluronate, D-panthenol, allantoin, asiatic centella extract, dipotassium glycyrrhizinate, purslane extract, astragalus membranaceus root extract, marigold extract, mother chrysanthemum extract, pelargonium essential oil, bisabolol and pentanediol. A preparation method comprises the following steps: (1) adding the raw materials water, EDTA-2Na, carbomer, xanthan gum, butanediol, sodium hyaluronate and allantoin into an emulsification pot, heating them to 80 DEG C, keeping the temperature and stirring for 15 minutes to obtain a mixture; (2) cooling the mixture in the emulsification pot to 45 DEG C, and adding and uniformly stirring D-panthenol, dipotassium glycyrrhizinate, purslane extract, astragalus membranaceus root extract, calendula flower extract, centella asiatica extract, mother chrysanthemum extract, bisabolol, pelargonium essential oil andpentanediol to obtain a finished product. The essence composition has good anti-allergic and anti-inflammatory effects.

The invention discloses a titanium-based amorphous / pure titanium double-continuous phase composite material and a preparation method thereof, and belongs to the technical field of titanium-based amorphous composite materials. The titanium-based amorphous / pure titanium double-continuous phase composite material comprises a titanium-based amorphous alloy and a three-dimensional communicated porous titanium skeleton. The three-dimensional communicated porous titanium skeleton is filled with the titanium-based amorphous alloy so that a double-continuous phase structure is formed. The preparation method comprises the following steps of 1, heating to melt the selected titanium-based amorphous alloy, and 2, filling the three-dimensional communicated porous titanium skeleton with the liquid titanium-based amorphous alloy by a percolation method and carrying out water quenching, or 3, extruding the titanium-based amorphous alloy melt into a metal mold with a titanium skeleton by an extrusion casting method so that the titanium-based amorphous / pure titanium double-continuous phase composite material is obtained. The amorphous phase and the second phase (pure titanium phase) of the composite material have uniform and continuous distribution structures in the three-dimensional space, and through collaborative deformation, the two phases are mutually reinforced so that the problem of poor titanium-based amorphous phase plasticity is solved and control of composite material microstructure uniformity is realized. The titanium-based amorphous / pure titanium double-continuous phase composite material has the characteristics of excellent mechanical properties, high specific strength, uniform and controllable microstructure and no defects.

The invention discloses a compound herbal arnebia root ointment. The compound herbal arnebia root ointment is prepared from, by weight, 3-5 parts of an amebia enchroma extract, 1-3 parts of petrolatum, 2-4 parts of grape seed oil, 1-3 parts of camellia seed oil, 2-5 parts of cera alba and 1-4 parts of cocoa seed butter. The preparation method of the compound herbal arnebia root ointment comprisesthe following steps that S1, the amebia enchroma extract, the petrolatum, the cocoa seed butter and the cera alba are obtained to be mixed with the grape seed oil; S2, the camellia seed oil, fructus hippophae seed oil, peppermint leaf oil, melaleuca alternifolia cheel leaf oil, lavender oil, eucalyptus globulus oil, bisabolol and tocopherol are obtained to be stirred and mixed; S3, the mixture 1 is added to the mixture 2 for stirring. The invention further discloses a preparation method of the compound herbal arnebia root ointment. The compound herbal arnebia root ointment has good effects ofremoving wet itching and mosquito bites, further has the curative effects of antiphlogosis, astriction and moisturizing, and has the effects of whitening, spot-fading, moisturizing, regeneration and ageing resistance on the skin, and the effects are significant.

The invention discloses a flexible printed circuit board washing agent, a flexible printed circuit board washing method, a flexible printed circuit board, and electronic equipment, and belongs to thetechnical field of circuit board washing. The flexible printed circuit board washing agent comprises, by mass, 30 to 45% of N-methyl pyrrolidone, 20 to 35% of butyrolactone, 1.5 to 3% of a carboxylicacid complexing agent, 0.5 to 2% of a penetrating agent, and the balance water. According to the flexible printed circuit board washing method, the flexible printed circuit board washing agent is usedfor washing the flexible printed circuit board. The flexible printed circuit board washing method is capable of solving problems in the prior art that complete removing of residual rosin is impossible to realize using conventional flexible printed circuit board washing agent, white spots are left on the flexible printed circuit board after washing, the conventional flexible printed circuit boardwashing agent is not safe, and is not friendly to the environment, and water washing is inconvenient to realize after applications of the conventional flexible printed circuit board washing agent. Theflexible printed circuit board washing agent is capable of removing rosin matters left on the flexible printed circuit board, and removing metal oxides and grease on the flexible printed circuit board, is excellent in stain removing effect, corrosion of flexible printed circuit board is not caused, after washing, the surface of the flexible printed circuit board is clean and bright, and no whitespot is generated.

The invention provides a novel plating auxiliary for single hot-dipping of a Galfan alloy in a solvent method and a preparation method thereof. According to the plating auxiliary, per liter of the plating auxiliary is prepared from the following components of 100-150 g / L of ZnCl2, 50-100 g / L of ZnBr, 10-20 g / L of SnCl, 8-12 g / L of KF, 0-0.5 g / L of bismuth chloride, 0.5-2 g / L of sodium borohydride,0.1-0.3 g / L of hydrochloric acid, 5-15 g / L of active alkali metal chloride salt and the balance water. The plating auxiliary has the advantages that the zinc bromide, the sodium borohydride and the potassium fluoride are introduced into the plating auxiliary, so that a surfactant and rare-earth chloride which are expensive in price are avoided, the application range is wider, almost all steel products are covered, and therefore the problems of serious skip plating, air holes, list edges, slag inclusion and the like in the Galfan alloy hot-dipping process in the prior art can be effectively solved; and the plating auxiliary can play a good plating assisting role when being used at room temperature, the production cost is greatly saved, the components of the plating auxiliary are stable, the cost is low, and industrial popularization is facilitated.

A detergent composition comprising; a subtilisin variant having the amino acid sequence set forth in SEQ ID NO 1, and at least one additional ingredient selected from; i) bleaches selected from percarbonates, persulphates and organic peracids, ii) aminocarboxylates, or iii) sulphonated polymers, or iv) organophosphonic acids or salts thereof and mixtures thereof is provided. Also provided is a detergent composition comprising a subtilisin variant having the amino acid sequence set forth in SEQ ID NO 1, wherein, the detergent composition is at least partially enveloped in a water soluble or water dispersible package. The compositions exhibit good performance on proteinaceous stains, even when formulated at alkaline pHs. A method of removing proteinaceous stains from surfaces comprising such stains is also provided.

The invention provides application of a modified M-SAPO-RHO zeolite molecular used as an ethylene selective adsorbent, and belongs to the technical field of ethylene separation. The invention providesa modified M-SAPO-RHO type zeolite molecular sieving as an ethylene selective absorbent. M comprises Li<+> and / or Na<+>; and M / (Si + Al + P) in the modified M-SAPO-RHO type zeolite molecular sieve isequal to 0.01 to 0.17. The modified M-SAPO-RHO zeolite molecular sieve can achieve different separation effects by changing the variety and content of M<+> ions in the modified M-SAPO-RHO zeolite molecular sieve. The modified M-SAPO-RHO zeolite molecular sieve has high crystallinity, good composition stability and good ethylene selective adsorption performance, fine regulation and control of ethylene selective adsorption capacity and efficient separation of ethylene / ethane can be achieved, and the concentration of ethylene in a mixed gas is increased.

The invention provides ultraviolet, visible and near-infrared light absorbing glass. The glass contains the following elements, in percentages by molar: 0-10% of an iron element, 0-5% of a vanadium element, 0-5% of a nickel element, 0-5% of a cobalt element, 0-3% of a copper element, and 0-0.5% of a molybdenum element. The invention also provides a preparation method and application of the above visible light absorbing glass. According to the method provided by the invention, the ultraviolet, visible and near-infrared light absorbing glass prepared by the method has a higher light absorption effect in the range from 200 nm to 2500 nm, and the ultraviolet, visible and near-infrared light absorbing glass has transmittance of <=0.1% at a thickness of 0.20 mm; and meanwhile the ultraviolet, visible and near-infrared light absorbing glass is easy to form, has no internal defects such as bubbles, stone and stripes, and has good anti-crystallization performance, moisture-resistant stability and component stability, and the thermal performance satisfies requirements for a preparation process of optical fiber imaging components.

The invention discloses a plane network impact wave loading device and a making method of the device. The loading device comprises a network board base plate, an attenuation layer and a mounting sleeve. The network board base plate, the attenuation layer and the mounting sleeve are integrally connected through screws, and the network board base plate and the attenuation layer are made of 2Al2 aluminium alloy. The plane network impact wave loading device is simple in structure, the time range of unevenness of impact waves can be effectively narrowed, and the planarity of output impact waves isimproved; the making method is used for making the loading device.

The invention discloses impregnating resin for high-frequency and low-frequency electronic transformers. The impregnating resin comprises the following materials in percent by weight: 45-60% of polyester resin, 10-20% of a curing agent, 5-10% of oily phenolic resin, 0.02-2% of a functional additive and 25-40% of a diluting agent. Compared with the prior art, the impregnating resin has the advantages that (1) the manufacturing process is simple and the stability of composition is good; (2) not only are the mechanical strength and the bonding force improved, but also the softness is improved, the aspects of heat resistance and strong permeability are also excellent, the heat-resistant level can reach F level, and the comprehensive performance is better; (3) the impregnating resin also has the advantages of fast low-temperature curing, strong permeability, good internal drying performance, excellent secondary solderability and stable storage and the like. The impregnating resin disclosed by the invention does not contain dangerous and forbidden matters specified by the European ROSH regulations, completely meets the requirement on the impregnation process of the electronic transformer, and is excellent electronic-insulating impregnating varnish which can be comparable with foreign similar products.

The invention discloses an embedded particle as well as a preparation method and application thereof. The embedded particles comprises a vitamin K2 inner core, an embedding medium layer I, a vitamin D3 layer, an embedding medium layer II, a calcium source layer and an embedding medium layer III from inside to outside, wherein the mass ratio of the calcium source layer to the vitamin D3 layer to the vitamin K2 inner core to the embedding medium is (50.5-75): (0.13-0.19): (1.0-1.4): (0.1-5), and the mass of the embedding medium is the sum of the mass of the embedding medium layer I, the embedding medium layer II and the embedding medium layer III. The embedded particle has a layer-by-layer embedded structure, and is higher in stability and longer in shelf life.

The invention provides optical glass for medium-numerical-aperture optical fibers. The optical glass comprises the following raw materials in percentage by weight: 55-65% of silicon dioxide, 8-15% ofboron trioxide, 0-3% of aluminum oxide, 8-15% of alkali metal oxide, 15-25% of alkaline earth metal oxide and 0-2% of calcium fluoride, wherein the weight ratio of the boron trioxide to the alkali metal oxide is 1:3-1:1. The invention further provides a preparation method and application of the optical glass. According to the optical glass prepared by the method, the refractive index of the optical glass is 1.53-1.56, and the wavelength transmittance of 300-1100 nm is more than or equal to 88%. Meanwhile, glass founding formation is easy, internal defects such as bubbles, stones, stripes and the like are avoided, anti-crystallization performance, chemical stability and component stability of glass are good, and thermal performance meets preparation requirements of medium-numerical-apertureoptical fibers and optical fiber imaging elements.

The invention provides a modified M-SAPO-RHO type zeolite molecular sieve and a preparation method and applications thereof, and belongs to the technical field of chemical engineering absorbents. Thepreparation method comprises following steps: mixing a silicon source, an aluminum source, phosphoric acid, a template, cetyl trimethyl ammonium bromide, a SAPO-RHO crystal seed, and water to obtain primary reaction gel, wherein the template is diethyl amine; crystallizing the primary reaction gel to obtain a SAPO-RHO type zeolite molecular sieve; directly mixing the SAPO-RHO type zeolite molecular sieve with a cationic solution without removing the template, carrying out ion exchange, and burning to obtain the modified M-SAPO-RHO type zeolite molecular sieve. The prepared modified M-SAPO-RHOtype zeolite molecular sieve has the advantages that the cation composition and content are controllable, the crystallization degree is high, and the performance on selectively adsorbing CO2 is strong.

A detergent composition comprising; a subtilisin variant having the amino acid sequence set forth in SEQ ID NO 1, and at least one additional ingredient selected from; i) bleaches selected from percarbonates, persulphates and organic peracids, ii) aminocarboxylates, or iii) sulphonated polymers, or iv) organophosphoric acids or salts thereof and mixtures thereof is provided. Also provided is a detergent composition comprising a subtilisin variant having the amino acid sequence set forth in SEQ ID NO 1, wherein, the detergent composition is at least partially enveloped in a water soluble or water dispersible package. The compositions exhibit good performance on proteinaceous stains, even when formulated at alkaline pHs. A method of removing proteinaceous stains from surfaces comprising such stains is also provided.

The invention provides a novel plating auxiliary for single hot-dipping of a Galfan alloy in a solvent method and a preparation method thereof. According to the plating auxiliary, per liter of the plating auxiliary is prepared from the following components of 100-150 g / L of ZnCl2, 50-100 g / L of ZnBr, 10-20 g / L of SnCl, 8-12 g / L of KF, 0-0.5 g / L of bismuth chloride, 0.5-2 g / L of sodium borohydride,0.1-0.3 g / L of hydrochloric acid, 5-15 g / L of active alkali metal chloride salt and the balance water. The plating auxiliary has the advantages that the zinc bromide, the sodium borohydride and the potassium fluoride are introduced into the plating auxiliary, so that a surfactant and rare-earth chloride which are expensive in price are avoided, the application range is wider, almost all steel products are covered, and therefore the problems of serious skip plating, air holes, list edges, slag inclusion and the like in the Galfan alloy hot-dipping process in the prior art can be effectively solved; and the plating auxiliary can play a good plating assisting role when being used at room temperature, the production cost is greatly saved, the components of the plating auxiliary are stable, the cost is low, and industrial popularization is facilitated.

The invention provides a hot dip galvanizing assistant and a hot dip galvanizing method. The assistant comprises compounded salts, 70-90 g of ZnCl2, 20-80 g of NH4Cl, 120-150 mL of anhydrous ethanol, 0.5-5 g of a carbon hydrogen surfactant, 2-10 mL of a silane coupling agent and 500 g of deionized water, the compounded salts are selected from SnCl2.2H2O, KCl, AlCl3.6H2O and other chlorine salts, and the use amount of every compounded salt is 10-40 g. The hot dip galvanizing assistant has good component stability, can effectively prevent plating leakage of the surface of a plated member and substantially improve the corrosion resistance of the plated member when used in plating assisting treatment, and allows the yield of the plated member obtained by using the hot dip galvanizing assistant to reach up to 98% or above.

The invention relates to a medicinal preparation used for ear, which is used for treating acute tympanitis, chronic tympanitis, otitis externa and myringitis. The preparation is mainly composed of ciprofloxacin and metronidazole. The ciprofloxacin and metronidazole-containing liquid preparation can be respectively prepared to ear liquid, collunarium liquid, a solution for surgery and a solution for gynaecology according to clinical requirement. The ciprofloxacin and metronidazole-containing liquid preparation has the characteristics of wide antimicrobial spectrum, high curative effect, less side-effect and low price.

The invention discloses a solvent-free impregnating resin for a low voltage motor and a medium voltage motor. The solvent-free impregnating resin is composed of, by weight, 40-60% of heat-resisting unsaturated polyester resin, 5-10% of benzoxazine imine resin, 10-15% of epoxy resin, 0.5-2.0% of initiator, 7.0-15% of reactive diluent, 7.0-20% of curing agent and 0.1-1.0% of curing accelerator Due to the fact that benzoxazine imine modified unsaturated solvent-free impregnating resin is synthesized by the benzoxazine imine resin, heat resistance of the impregnating resin is improved, and heat resistance of epoxy unsaturated resin is enabled to increase to the heat-resisting level of polyester imide. Besides, compounded with the high-performance curing agent, the fact that defects of short storage life, bad thermal state surface dryness, large shrinking percentage, low hanging paint amount and low cohesive force in general solvent-free resin are overcome is guaranteed. Further, the solvent-free impregnating resin is excellent in combination property, especially, the cohesive force is as high as 241N, and similar impregnating resin can not achieve the cohesive force easily.

The invention relates to the technical field of environment-friendly printing materials, and particularly discloses a low-migration printing material, a food-grade packaging printing paper box and a preparation method of the low-migration printing material. The printing material comprises 1-3 parts of polyethylene wax, 5-10 parts of an initiator, 60-70 parts of a binder, 0-15 parts of a pigment and 0-5 parts of other auxiliary agents. The initiator comprises an Irgacur cationic photoinitiator, an I-250 iodonium salt cationic photoinitiator, a TX-beta-CD initiator or a TX-GA initiator. The preparation method comprises the following steps: mixing the pigment, the binder, the other auxiliary agents, the polyethylene wax and the initiator, conducting stirring for 30-60 minutes, and conducting grinding for 15-20 minutes; and conducting cooling to room temperature and then conducting filtering. The printing material disclosed by the invention has the advantages of low migration, high adhesive force and high curing speed; and the prepared food-grade packaging printing paper box can be in direct contact with food, does not need to be packaged again, and is very convenient and safe.

The invention discloses a method for preparing a moisture-cured multi-grafted solvent type adhesive. Rubber and a styrene type thermoplastic elastomer form a skeleton, and under the initiation of BPO, monomers methyl methacrylate (MMA), methacrylamide (AM) and glycidyl methacrylate (GMA) are grafted to a carbon doublebond of the skeleton, thereby changing the polarity of the adhesive with the modification of the monomers; and a silane coupling agent and epoxy groups undergo a cross linking reaction through silane to form three-dimensional net working so as to fulfill the aim of moisture curing, and enhance the bond strength and heat resistance of the adhesive. The moisture-cured multi-grafted solvent type adhesive prepared by using the method of the invention does not contain any toxic substance, such as benzene and the like, threatening human health, has high component stability, is secure and environmentally-friendly, simultaneously has high bonding power for polar materials and nonpolar materials, can bond a plurality of materials, such as rubber, leather, fabrics, foam, PVC leather, PU leather, plastics, colored printed product surface mount plastics and the like, and is widely applied to the vehicle material market and footwear industry.

The invention discloses a flexible printed circuit board washing agent, a flexible printed circuit board washing method, a flexible printed circuit board, and electronic equipment, and belongs to thetechnical field of circuit board washing. The flexible printed circuit board washing agent comprises, by mass, 30 to 45% of N-methyl pyrrolidone, 20 to 35% of butyrolactone, 1.5 to 3% of a carboxylicacid complexing agent, 0.5 to 2% of a penetrating agent, and the balance water. According to the flexible printed circuit board washing method, the flexible printed circuit board washing agent is usedfor washing the flexible printed circuit board. The flexible printed circuit board washing method is capable of solving problems in the prior art that complete removing of residual rosin is impossible to realize using conventional flexible printed circuit board washing agent, white spots are left on the flexible printed circuit board after washing, the conventional flexible printed circuit boardwashing agent is not safe, and is not friendly to the environment, and water washing is inconvenient to realize after applications of the conventional flexible printed circuit board washing agent. Theflexible printed circuit board washing agent is capable of removing rosin matters left on the flexible printed circuit board, and removing metal oxides and grease on the flexible printed circuit board, is excellent in stain removing effect, corrosion of flexible printed circuit board is not caused, after washing, the surface of the flexible printed circuit board is clean and bright, and no whitespot is generated.

The invention discloses environment-friendly VPI impregnated resin for a wind driven generator. The environment-friendly VPI impregnated resin comprises the following components by weight percent: heat-resistant bicyclic unsaturated polyester resin system, modified epoxy resin, a crosslinking agent, an initiator, a curing agent and an accelerator, wherein the heat-resistant bicyclic unsaturated polyester resin system consists of heat-resistant bicyclic unsaturated polyester resin and a crosslinking agent, and the system viscosity is 300-400s; the heat-resistant bicyclic unsaturated polyester resin is prepared through a condensation polymerization reaction of dicyclopentadiene, at least one polybasic acid and at least one polyhydric alcohol; the crosslinking agent is at least one of glycidyl methacrylate, dodecyl allyl acid ester, diacrylate phthalate and trimethylolpropane diallyl ester; and the modified epoxy resin is prepared by modifying unsaturated polyester. The impregnated resin has the characteristics of good storage stability, good heat resistance, high mechanical strength of cured products, high bonding strength, good electrical insulation property, low dielectric loss, low water absorption and the like and is widely applicable.

The present application discloses an embedded particle and a preparation method and application thereof. The embedded particles include a vitamin K2 inner core, an embedding agent layer I, a vitamin D3 layer, an embedding agent layer II, a calcium source layer, and an embedding agent layer III from the inside to the outside; wherein, the calcium source layer, the vitamin D3 layer, The mass ratio of the vitamin K2 inner core and the embedding agent is 50.5-75: 0.13-0.19: 1.0-1.4: 0.1-5; the quality of the embedding agent is the embedding agent layer I, the embedding agent layer II, the embedding agent The sum of the masses of layer III. The embedded particles have a layer-by-layer embedded structure, with higher stability and longer shelf life.

The invention discloses a plane network impact wave loading device and a making method of the device. The loading device comprises a network board base plate, an attenuation layer and a mounting sleeve. The network board base plate, the attenuation layer and the mounting sleeve are integrally connected through screws, and the network board base plate and the attenuation layer are made of 2Al2 aluminium alloy. The plane network impact wave loading device is simple in structure, the time range of unevenness of impact waves can be effectively narrowed, and the planarity of output impact waves isimproved; the making method is used for making the loading device.

The invention relates to a formula for a sweetening agent used for canned food. The sweetening agent is prepared from the following raw materials by weight: 13.5 to 16% thaumatin, 20.5 to 21.5% of acesulfame potassium, 3.7 to 5.6% to beta-cyclodextrin, 19 to 21.4% of sugar of Vitis piasezkii, 5.4 to 6.3% of aspartyl phenylalanine methyl ester, 1.6 to 2.8% of liquirtigenin, 6.7 to 9.2% of stevioside, 15.5 to 17.8% of maltitol and 6.3 to 7.5% of xylitol. The addition amount of the sweetening agent is 0.015 to 0.045% of the total weight of the food. The sweetening agent provided by the invention can maintain the sweetness of food for a long time, is beneficial for the taste of food, has sweet and pure taste similar to that of cane sugar and is incomparable with any commercially available sweetening agents; basic sweetness of the sweetening agent provided by the invention is 80 to 90 times of the sweetness of cane sugar, so the addition amount of the sweetening agent is low; and thus, on the premise that the taste of cane sugar is achieved, production cost for food can be reduced.