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

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.

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 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 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 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 introduces a preparation method of modified HEU type zeolite and an application of the modified HEU type zeolite as a nitrogen selection adsorbent. The preparation method comprises the following steps of uniformly mixing SiO2 with Al2O3, Na2O, K2O and H2O according to the mole ratio of the SiO2 to the Al2O3, to the Na2O, to the K2O and to the H2O being (8-20) to 1 to (0.5-3) to (0.5-3) to (300-800) to obtain initial aluminosilicate sol, then adding artificial synthesis structure induction species of which the mass percentage is about 1-20%, performing low-temperature ageing, performing high-temperature crystallization, performing solid-liquid separation, and performing drying so as to obtain high-crystallinity HEU type zeolite. According to the preparation method disclosed by the invention, the crystallization period can be greatly shortened and can be shortened to 12h, and besides, the synthesized HEU type zeolite can be guaranteed to have small and uniform grain size (1-3[mu]m); and after ion exchange modification, different ion exchange modified adsorbents can be obtained, and the selective adsorption capacity of the adsorbents to N2 in N2 / CH4 mixed gas is obviously improved and can be improved by 2-15 times.

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.