33results about How to "The preparation process is highly operable" patented technology

The invention discloses transdermal patch containing vauqueline and a preparation method and an application thereof. The transdermal patch consists of a back sheet, a protective layer and a medicine-containing matrix layer, wherein the medicine-containing matrix layer consists of vauqueline, hydrophilie matrix and penetrating agent, wherein the penetrating agent is selected from one or more of azone, oleic acid, propanediol and menthol. The vauqueline patch has scientific and reasonable proportion. Particularly the hydrophilie matrix is adopted, so the loaded dosage can be increased, and the vauqueline is effectively promoted to be released through the adhesive layer so as to improve the bioavailability. Moreover, the vauqueline patch is proved in the Pharmacodynamics experiment that stable blood medicine concentration can be maintained after the percutaneous absorption of the vauqueline patch, good pain-killing and anti-inflammatory effect can be played when the toxicity thereof is prevented, the preparation process has strong maneuverability, and the industrialized production can be realized.

The invention provides a preparation method of a high temperature resistant paint with self-cleaning performance, belonging to the technical field of chemical industry. In the present invention, the superhydrophobic modified cobalt blue pigment is used as the colorant, and the silicone resin is used as the film-forming material. , After calcination at 800°C, the surface of the coating film becomes hydrophilic, but the surface of the coating film is complete and smooth, which can be used as a heat-resistant coating.

The invention claims to protect a composition containing glycerol monostearate and rare earth fatty acid soap and its application, belonging to the technical field of polymer materials. The composition of the present invention comprises glyceryl monostearate and rare earth fatty acid soap, wherein in the composition, the rare earth fatty acid soap is fatty acid lanthanum, fatty acid cerium or a combination thereof, and the weight ratio of glyceryl monostearate and rare earth fatty acid soap is preferably (1 -5): 1; The composition of the present invention has good compatibility with film resin, excellent anti-fog and dripping performance, long service life, and has very broad prospects for agricultural promotion.

The invention belongs to the field of macromolecular materials, and relates to an anti-fog and dripping composition containing polyol fatty acid ester and a preparation method thereof. In order to overcome the technical deficiencies of the anti-fog and dripping agents in the prior art, which have high temperature resistance and poor compatibility with resins, the present invention provides an anti-fog and drip composition containing polyhydric alcohol fatty acid ester, which is composed of unit alcohol polyhydric Pentaerythritol fatty acid ester and pentaerythritol fatty acid ester. The anti-fog and dripping agent prepared by mixing and melting the two liquid phases not only has excellent anti-fog and dripping performance, but also has the advantages of high temperature resistance and good compatibility with resins. It is suitable for plastic processing Field promotion and application.

The invention relates to a method and a device of preparing graphene by chemical vapor deposition of a controllable liquid carbon source and belongs to the technical field of material preparation. Themethod comprises the steps of dispersing the liquid carbon source in a high polymer matrix to form a collosol carbon source, mixing carbon source steam and carrier gas through a carbon source feeder,and performing reaction in a reactor to achieve large area continuous preparation of the single and double-layer graphene, wherein a carbon source content in a reaction atmosphere can be simply and conveniently controlled by adjusting a gas flow parameter and a heating temperature. The coverage area of the single-layer graphene is close to 100%, and the coverage area of the double-layer grapheneis above 80%. The prepared graphene is high in quality and good in uniformity and has resistance of about 500 omega / sq. A feeding method of the liquid carbon source is safe and low in cost, and the adopted high polymer matrix can be recycled. A chemical vapor deposition reaction device solves the problem of difficult feeding of the liquid carbon source; the portable carbon source feeder substitutes the traditional high-pressure carbon source gas cylinder; a technology is simpler; and the cost is lowered.

The invention discloses a composition which contains glyceryl monostearate and polyoxyethylene ether fatty acid soap and an application of the composition which contains the glyceryl monostearate and the polyoxyethylene ether fatty acid soap, and belongs to the technical field of high polymer materials. The printing and dyeing composition contains the glyceryl monostearate and the polyoxyethylene ether fatty acid soap, wherein the weight ratio of the glyceryl monostearate and the polyoxyethylene ether fatty acid soap in the composition is (1-5):1 preferably; and the composition can be used as an assistant when being used for printing and dyeing, has better emulsifying property than two components and separate use of the components and has good compatibility with other assistants, fabrics which are suitable for the assistant to dye has good handfeel, and the softness, color and level dyeing degree of the assistant are obviously improved than a conventional dyeing assistant. The composition has a wide popularization prospect in the printing and dyeing industry.

The invention discloses a matt alkyd resin and a preparation method thereof. The matt alkyd resin is prepared by the following components: 10-15 parts of short-chain fatty acid, 8-14 parts of octadecanoic alkene vegetable oil acid, 10-15 parts of mono-pentaerythritol, 25-30 parts of phthalic anhydride, 1-5 parts of glycerol, 5-10 parts of divalent alcohol, 0.05-0.2 part of color subtraction agent, 3-6 parts of dimethyl benzene, 20-25 parts of diluted aromatic solvent and 4-8 parts of diluted low-boiling-point esters solvent. According to the matt alkyd resin provided by the invention, the components and mixture ratios of all raw materials are screened through lots of experiments so as to prepare and obtain the matt alkyd resin with appropriate molecular weight, and the matt alkyd resin has the advantages of excellent matting property, good transparency and fullness and wide application range. The preparation method of the matt alkyd resin has the advantages of reasonable process design, high preparation efficiency, low energy consumption and easiness in implementation, the whole preparation technology has strong operability and the matt alkyd resin prepared by adopting the preparation method has excellent performances.

The invention provides a method for preparing a cobalt blue / clay mineral hybrid pigment by a solid phase method, and belongs to the field of nano spinel hybrid pigments. In this method, clay minerals, cobalt sources, and aluminum sources are mixed according to a certain ratio, and the mixture is placed in a calciner and calcined at 1000-1300°C for 1-2 hours to obtain the product. The invention provides a method for preparing a blue cobalt blue hybrid pigment with low cost, high brightness, high yield and simple preparation process. The cobalt blue clay mineral hybrid pigment is prepared by a solid phase method, and the process is simple and the yield is high. , and the introduction of clay minerals can achieve the hue regulation of cobalt blue pigments.

The invention relates to the technical field of medicinal preparations, and in particular relates to acyclovir hydrocortisone cream and a preparation method thereof. The acyclovir hydrocortisone cream comprises acyclovir, hydrocortisone, an oil-phase matrix, an emulsifier, a co-solvent, an acid-alkaline buffer system, a humectant and water, wherein the oil-phase matrix is a mixture consisting of liquid paraffin, cetostearyl alcohol and albolene; the co-solvent is poloxamer, and the acid-alkaline buffer system is a citric acid-sodium hydroxide system. By improving the formula and combining the improvement of the preparation process, the acyclovir hydrocortisone can be uniformly dispersed in the cream matrix in a tiny crystal manner, so that the cream has the advantage of simple preparation method, the industrial production is facilitated, and the stability of the prepared cream is better.

A novel sustained-release injection of traditional Chinese medicine, its preparation method and its application in the treatment of poultry synovial bursa mycoplasma disease. The weight composition of the injection per 100g is: 0.01-2.0g of dendamicin, 0.01-5.0g of forsythol, 0.01-5.0g of forsythia Wen-80 10.0~40.0g, Poloxamer 407 0.5~10.0g, Glyceryl Behenate 0.1~8.0g, Ethyl Oleate 1.0~16.0g, 1,2-Propanediol 5.0~10.0g, the balance is Deionized water. At the same time, the invention further discloses its preparation method, which has strong process operability and is beneficial to production transformation. The sustained-release injection of the present invention is a bicontinuous phase emulsion, the main component of which is a traditional Chinese medicine extract, which will not cause food safety problems caused by drug residues. The number of injections reduces the stress of poultry, and the market prospect is broad.

The invention discloses an electrostatic additive for a powder coating as well as a preparation method and application thereof. The electrostatic additive for the powder coating is a rosin-based bi-quaternary ammonium salt compound, is prepared by the steps of rosin-based dimethyl tertiary amine preparation, rosin-based dimethyl tertiary amine separation, rosin-based biquaternary ammonium salt ammonium chloride synthesis, anion replacement reaction and the like, is used for improving the triboelectric property of the powder coating or can be rapidly charged in the charge control application ofthe high-pressure powder coating and improve the amount of charges.